# Top10k Tools — Full Index > Complete enumeration of all 8223 review-gated tool URLs currently advertised for indexing by Top10k Tools. One tool per line: name, URL, one-sentence summary. Generated from the same source of truth as the XML sitemap on 2026-10-07. ## Text Tools (173) - [Accent / Diacritic Remover](https://top10k.com/tool/accent-remover): Strips diacritical marks from accented characters (é→e, ü→u, ñ→n) using Unicode normalization. - [Add Line Numbers](https://top10k.com/tool/add-line-numbers) - [Adverb Counter](https://top10k.com/tool/adverb-counter): Count and highlight adverbs ending in "-ly" in any text passage to help writers reduce adverb overuse. - [Alphabetical Line Sorter](https://top10k.com/tool/alphabetical-sorter): Sort lines of text alphabetically A-Z or Z-A, with options for case-insensitive sort and removing duplicate lines. - [Alternating Case Converter](https://top10k.com/tool/alternating-case-converter): Alternates uppercase and lowercase on each character for a SpOnGeBoB-style mocking text effect. - [ASCII Art Generator](https://top10k.com/tool/ascii-art-generator): Converts typed text into a large ASCII-art banner made of block letters, figlet-style, with a character-style picker and a one-click copy button. - [Average Word Length Calculator](https://top10k.com/tool/average-word-length): Calculates the average number of characters per word in a block of text (excluding attached punctuation), plus total words, total letters, shortest word, longest word, and a frequency distribution … - [Banner Text Generator](https://top10k.com/tool/banner-text-generator): Renders large stylized banner text for signs, headers, and social bios using bold, wide, or combined bold-wide Unicode character substitution, with a copy button. - [Big Text Generator](https://top10k.com/tool/big-text-generator): Converts typed text into large Unicode "big" letters (bold, sans-bold, double-struck, monospace, or fullwidth substitution), with an adjustable on-page preview size, one-click copy, and PNG image e… - [Binary to Text Converter](https://top10k.com/tool/binary-to-text): Converts binary code (space-separated 8-bit groups) to readable ASCII/Latin-1 text, and text back to binary. - [Binary to Text Converter (Advanced)](https://top10k.com/tool/binary-to-text-advanced): Converts binary strings (space-separated 8-bit groups) to readable text and converts text back to binary. Supports UTF-8, ASCII, and Latin-1 encodings with real-time bidirectional conversion. - [Blocky Text Generator](https://top10k.com/tool/blocky-text-generator): Converts typed text into blocky/squared Unicode glyphs (e.g. negative-squared or fullwidth block-style letters) for social bios, chat, and usernames; instant conversion with copy-to-clipboard, dist… - [Blog Post Outline Generator](https://top10k.com/tool/blog-post-outline-generator): Generates a structured blog post outline with title, introduction, section headings, and conclusion from a topic and target audience entered by the user. - [Brainrot Translator](https://top10k.com/tool/brainrot-translator): Convert normal English text into exaggerated brainrot internet slang with words like skibidi, rizz, gyatt, fanum tax, and sigma for memes and social posts. - [Calligraphy Font Generator](https://top10k.com/tool/calligraphy-font-generator): Converts typed text into cursive calligraphy-style Unicode script characters for copy-pasting into bios, usernames, and posts. - [camelCase Converter](https://top10k.com/tool/camel-case-converter): Converts any text input to camelCase format used in JavaScript and many programming languages. - [Case Converter](https://top10k.com/tool/case-converter): Convert text to UPPER CASE, lower case, Title Case, camelCase, snake_case, kebab-case, and more instantly. - [Cat Speak Translator](https://top10k.com/tool/cat-speak-translator): Translate typed English text into playful "cat speak" with meows, purrs, and cat-themed phrasing mixed into every sentence. - [Character Count With Limit](https://top10k.com/tool/character-count-with-limit): Counts characters in pasted text and checks whether it fits within a user-defined character limit, with a live progress bar showing usage. - [Character Frequency Counter](https://top10k.com/tool/character-frequency-counter): Counts the frequency of each character in input text and displays a ranked frequency table with percentages. - [Character Frequency Map](https://top10k.com/tool/character-frequency-map): Shows the frequency of each character in a pasted text — sorted by count (descending), with percentage and a visual bar chart, plus toggles to include/exclude spaces and case sensitivity. - [Circled Text Converter](https://top10k.com/tool/circled-text-converter): Wraps each letter and digit in Unicode circled character variants (circled, negative circled) for decorative text. - [Cockney Slang Translator](https://top10k.com/tool/cockney-slang-translator): Translate standard English text into Cockney rhyming slang, turning words like "stairs" into "apples and pears" and "phone" into "dog and bone". - [Column Extractor](https://top10k.com/tool/column-extractor): Extracts specific columns from space- or tab-delimited text data by column number, with optional custom delimiter support. - [Consonant Counter](https://top10k.com/tool/consonant-counter): Counts consonants in any text input and shows a consonant frequency breakdown with totals and percentages. - [CONSTANT_CASE Converter](https://top10k.com/tool/constant-case-converter): Converts text to SCREAMING_SNAKE_CASE format used for constants in many programming languages. - [Control Character Cleaner](https://top10k.com/tool/control-char-cleaner): Removes null bytes and other invisible control characters (ASCII 0-31 except newlines/tabs) from pasted text. - [Creepy Text Generator](https://top10k.com/tool/creepy-text-generator): Convert typed text into creepy Zalgo-style text with combining diacritical marks. Adjust the intensity slider and copy the result. - [CSV Column Extractor](https://top10k.com/tool/csv-column-extractor): Paste CSV data, select columns by name or number, and extract them as clean CSV output with optional header preservation. - [Discord Font Generator](https://top10k.com/tool/discord-font-generator): Converts typed text into 20 stylish Unicode font variants (bold, bubble, gothic, script, small caps, and more) formatted for pasting into Discord nicknames, usernames, bios, and messages. - [Dog Speak Translator](https://top10k.com/tool/dog-speak-translator): Translate typed English text into playful "dog speak" with excited barks, much/so/very phrasing, and tail-wag interjections. - [dot.case Converter](https://top10k.com/tool/dot-case-converter): Converts any text into dot.case format — words separated by dots, all lowercase. Useful for configuration keys, file naming, and object property paths. - [Double-Struck Text Converter](https://top10k.com/tool/double-struck-converter) - [Duplicate Word Remover](https://top10k.com/tool/duplicate-word-remover): Removes consecutive duplicate words in a text block, keeping only the first occurrence of each repeated word. - [Email Address Extractor](https://top10k.com/tool/email-address-extractor) - [EPUB to AZW3 Calibre Guide & Metadata Viewer](https://top10k.com/tool/epub-to-azw3-ebook): Explains how to convert EPUB ebook files to AZW3 (Kindle format) and provides a drag-and-drop interface showing file metadata; true binary conversion requires Calibre desktop app. - [EPUB to MOBI Converter Guide](https://top10k.com/tool/epub-to-mobi-ebook): Upload an EPUB file to instantly read its metadata — title, author, chapters, cover image — then get step-by-step instructions for converting it to MOBI using Calibre or KindleGen. - [Extract Emails](https://top10k.com/tool/extract-emails): Paste any block of text and instantly extract all email addresses. Results are deduplicated and sorted, ready to copy as a list. - [Extract Numbers](https://top10k.com/tool/extract-numbers): Extracts all numbers (integers, decimals, negative) from a block of text and lists them. - [Extract Phone Numbers](https://top10k.com/tool/extract-phone-numbers): Extract all phone numbers from a block of text using regex patterns. Supports US, international, and common formatted numbers. - [Extract URLs](https://top10k.com/tool/extract-urls) - [Filter Lines Containing](https://top10k.com/tool/filter-lines-containing): Keeps only lines that contain a specified search string, with case-sensitive and regex options. - [Find And Replace Text](https://top10k.com/tool/find-and-replace-text): Find and replace text in a block of text, with support for plain text and regex modes and a match-count indicator. - [First Letter Capitalizer](https://top10k.com/tool/first-letter-capitalizer): Capitalizes the first letter of every word in the input text. Supports multiple capitalization modes: Title Case, Sentence Case, UPPERCASE, and lowercase. - [Flesch Kincaid Calculator](https://top10k.com/tool/flesch-kincaid-calculator): Calculates Flesch Reading Ease and Flesch-Kincaid Grade Level scores for any pasted text, with readability interpretation and per-sentence breakdown. - [Fraktur / Gothic Text Converter](https://top10k.com/tool/fraktur-text-converter): Converts plain ASCII text to Unicode Fraktur (blackletter) and Gothic letter styles for social media and decorative use. - [Fullwidth Text Converter](https://top10k.com/tool/fullwidth-converter) - [Gen Z Slang Translator](https://top10k.com/tool/gen-z-slang-translator): Translate plain English sentences into Gen Z internet slang by swapping common words and phrases for their slang equivalents, like "very good" into "bussin" and "I understand" into "say less". - [Glitch Text Generator](https://top10k.com/tool/glitch-text-generator): Convert typed text into glitchy zalgo-style text using combining diacritical marks, with a low/medium/high intensity control and a one-click copy button. - [Gothic Font Generator](https://top10k.com/tool/gothic-font-generator): Converts typed text into gothic/blackletter-style Unicode font characters for copy-pasting into social media bios, usernames, and posts. - [Graffiti Text Generator](https://top10k.com/tool/graffiti-text-generator): Converts typed text into stylized graffiti-look Unicode text variants (bubble, block, gothic, outline, wildstyle, and more) that can be copied and pasted into social bios, messages, and tags. - [Headline Analyzer](https://top10k.com/tool/headline-analyzer): Analyze a headline for SEO character count, word count, power words, numbers, question format, sentiment, and overall score out of 100 with improvement tips. - [Hex to Text Converter (Advanced)](https://top10k.com/tool/hex-to-text-advanced): Converts hexadecimal strings to text with UTF-8, ASCII, and Latin-1 encoding options, and converts text back to hex — supports space-separated, continuous, and 0x-prefixed hex formats. - [HTML Entities Encoder/Decoder](https://top10k.com/tool/html-entities-encoder): Encode special characters to HTML entities (&, <, >, ", etc.) or decode entities back to characters. Handles named, numeric, and hex entities. - [HTML Tag Stripper](https://top10k.com/tool/html-tag-stripper): Remove all HTML tags from any block of text and get clean, readable plain text instantly. Handles malformed tags, nested elements, and HTML entities. - [Line Prefix / Suffix Adder](https://top10k.com/tool/insert-line-before-after): Adds a user-defined prefix and/or suffix string to every line of pasted text, with live preview. - [Instagram Font Generator](https://top10k.com/tool/instagram-font-generator): Converts typed text into 20 stylish Unicode font variants (bold, bubble, gothic, script, small caps, and more) formatted for pasting into Instagram bios and captions. - [Invisible Text Generator](https://top10k.com/tool/invisible-text-generator) - [kebab-case Converter](https://top10k.com/tool/kebab-case-converter): Converts any text input to kebab-case format used in URLs, CSS classes, and HTML attributes. - [Keyword Density Checker](https://top10k.com/tool/keyword-density-checker): Calculates the frequency and percentage of each word in a text, with a sortable table showing top keywords and stop-word filtering. - [Advanced Leet Speak Converter](https://top10k.com/tool/leet-speak-advanced) - [Line Break Remover](https://top10k.com/tool/line-break-remover): Removes or normalizes line breaks in pasted text — join all lines into one paragraph or replace newlines with a custom separator. - [Sort Lines by Length](https://top10k.com/tool/line-length-sorter): Sorts lines of text by character count, from shortest to longest or longest to shortest. - [Line Range Extractor](https://top10k.com/tool/line-range-extractor): Extracts a specified range of lines from pasted text — enter start and end line numbers (1-based), supports multiple ranges like "1-5, 10-15", and shows selected lines with line-number gutter. - [Long Sentence Highlighter](https://top10k.com/tool/long-sentence-highlighter): Paste text and highlight sentences that exceed a configurable word-count threshold to help writers identify overly long sentences. - [Lorem Ipsum Generator](https://top10k.com/tool/lorem-ipsum): Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words for layouts, mockups, and designs. - [Lowercase Converter](https://top10k.com/tool/lowercase-converter): Converts any text to lowercase instantly, with character and word count stats. - [Markdown Syntax Stripper](https://top10k.com/tool/markdown-tag-stripper): Removes all Markdown formatting syntax from text, producing clean plain text output suitable for plain-text editors or APIs. - [Medieval Translator](https://top10k.com/tool/medieval-translator): Translate modern English into medieval-style phrasing with plain archaic vocabulary and a choice of Peasant, Merchant, or Noble register, all in your browser. - [Minecraft Font Generator](https://top10k.com/tool/minecraft-font-generator): Style text with Minecraft chat colors and formatting codes, preview it in a blocky pixel-style font, and copy either the in-game format code or a Unicode pixel version for bios and thumbnails. - [Minion Translator](https://top10k.com/tool/minion-translator): Convert typed English text into Minion-speak gibberish with word swaps like "hello" to "bello" and "thank you" to "tank yu", plus fun exclamations, all in your browser. - [Mocking Spongebob Text](https://top10k.com/tool/mocking-spongebob-text): Converts any text into the "mocking SpongeBob" meme format with random uppercase and lowercase letters, client-side with instant copy. - [Multiple Spaces Reducer](https://top10k.com/tool/multiple-spaces-to-one): Replaces multiple consecutive spaces (and optionally tabs) with a single space throughout a text block. - [Neon Text Generator](https://top10k.com/tool/neon-text-generator): Turn typed text into a glowing neon sign image. Pick a neon color, background, font, and glow strength, then download the result as a PNG. - [Every Nth Line Extractor](https://top10k.com/tool/nth-line-extractor): Extracts every Nth line from a text block, with configurable starting offset and step value. - [Number Extractor](https://top10k.com/tool/number-extractor): Extracts all numbers (integers, decimals, and negative numbers) from a block of text and lists them one per line. - [Numerical Line Sorter](https://top10k.com/tool/numerical-line-sorter): Sorts lines of text that contain numbers numerically (ascending or descending), with non-numeric lines pushed to top or bottom. - [Old English Font Generator](https://top10k.com/tool/old-english-font-generator): Converts typed text into Unicode Old English / blackletter (Fraktur-style) look-alike characters for copy-pasting into bios, usernames, and posts. - [Ordinal Number Converter](https://top10k.com/tool/ordinal-converter): Converts cardinal numbers to ordinal suffixes (1st, 2nd, 3rd, 4th...) — supports bulk conversion of comma or newline-separated numbers and shows both numeric (1st) and written (first) ordinal forms. - [Pages To Words Calculator](https://top10k.com/tool/pages-to-words-calculator): Converts a number of pages to an estimated word count based on document type (single-spaced, double-spaced, academic paper, novel) and font size presets. - [Palindrome Checker](https://top10k.com/tool/palindrome-checker): Checks whether a word, phrase, or sentence is a palindrome, with options to ignore case, spaces, and punctuation. - [Paragraph Structure Analyzer](https://top10k.com/tool/paragraph-analyzer) - [Paragraph Splitter](https://top10k.com/tool/paragraph-splitter): Splits a block of text into individual paragraphs, displays each numbered separately, and shows paragraph count, word count per paragraph, and total statistics. - [PascalCase Converter](https://top10k.com/tool/pascal-case-converter): Converts any text input to PascalCase format used in C#, TypeScript classes, and component names. - [Passive Voice Detector](https://top10k.com/tool/passive-voice-detector): Detects passive voice constructions in pasted text using regex patterns for "to be" + past participle, highlights each occurrence, and reports a passive voice percentage. - [path/case Converter](https://top10k.com/tool/path-case-converter): Converts any text into path/case format — words separated by forward slashes, all lowercase. Useful for URL slugs, file paths, and API route segments. - [Pig Latin Generator](https://top10k.com/tool/pig-latin-generator): Translate English text into Pig Latin by moving each word's starting consonant cluster to the end and adding "ay", or appending "way" to words that start with a vowel. - [Pirate Speak Translator](https://top10k.com/tool/pirate-speak-translator): Convert typed English text into pirate-speak with word swaps like "you" to "ye" and "hello" to "ahoy", plus added exclamations, all in your browser. - [Prefix and Suffix Adder](https://top10k.com/tool/prefix-suffix-adder): Add a custom prefix and/or suffix to every line of pasted text. Live preview updates instantly as you type, with a one-click copy button. - [Punctuation Normalizer](https://top10k.com/tool/punctuation-normalizer): Normalizes em-dashes, ellipses, curly quotes, and other typographic punctuation to their plain ASCII equivalents. - [Random Line Shuffler](https://top10k.com/tool/random-line-shuffler): Randomly shuffles the order of lines in a text block using the Fisher-Yates algorithm. - [Random Sentence Generator](https://top10k.com/tool/random-sentence-generator): Generates random grammatically correct sentences using configurable word banks and sentence structures for creative writing and testing. - [Random Word Generator](https://top10k.com/tool/random-word-generator) - [Readability Score Checker](https://top10k.com/tool/readability-score-checker): Analyzes pasted text and computes Flesch-Kincaid Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, and SMOG Index scores to measure how easy your writing is to understand. - [Reading Level Analyzer](https://top10k.com/tool/reading-level-analyzer): Analyzes text to determine reading grade level using Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog, and SMOG index formulas. - [Blank Line Remover](https://top10k.com/tool/remove-blank-lines): Removes all blank lines from a text block, with an option to also collapse multiple blank lines into a single blank line instead. - [Remove Duplicate Lines](https://top10k.com/tool/remove-duplicate): Paste a list of lines and instantly remove all duplicate entries, with options for case sensitivity, sorting, and whitespace trimming. - [Remove Duplicate Lines](https://top10k.com/tool/remove-duplicate-lines): Removes duplicate lines from pasted text, with options for case-sensitive matching and keeping first or last occurrence. - [Remove Duplicate Words](https://top10k.com/tool/remove-duplicate-words): Removes repeated words from text, keeping only the first occurrence of each word (case-insensitive option available). - [Remove Empty Lines](https://top10k.com/tool/remove-empty-lines): Strips all blank lines from pasted text instantly in the browser, with line count stats. - [Remove Extra Spaces](https://top10k.com/tool/remove-extra-spaces): Remove multiple consecutive whitespace characters from text, collapsing them to a single space and trimming leading/trailing whitespace. - [Remove Line Breaks](https://top10k.com/tool/remove-line-breaks): Removes line breaks from pasted text, joining lines into a single paragraph or replacing breaks with a chosen separator. - [Remove Line Numbers](https://top10k.com/tool/remove-line-numbers): Strips leading line numbers from numbered text — handles formats like "1.", "1)", "1:", " 1 " and shows the cleaned output ready to copy. - [Retro Text Generator](https://top10k.com/tool/retro-text-generator): Turn typed text into a retro 80s synthwave graphic with gradient fill, a chrome outline, a banded sun, and a perspective grid backdrop. Download the result as a PNG. - [Reverse Each Word](https://top10k.com/tool/reverse-each-word): Reverses the letters within each individual word in a block of text, leaving word order unchanged. - [Reverse Line Order](https://top10k.com/tool/reverse-line-order) - [Reverse Text](https://top10k.com/tool/reverse-text): Reverse any text string character-by-character for backwards reading puzzles, prank text, or pattern detection. - [Reverse Text Generator](https://top10k.com/tool/reverse-text-generator): Instantly reverses any text input character-by-character, word-by-word, or line-by-line with a one-click copy button. - [Reverse Words](https://top10k.com/tool/reverse-words): Reverses the order of words in a sentence (optionally also reversing characters within each word). - [Roblox Font Generator](https://top10k.com/tool/roblox-font-generator): Converts typed text into 20 stylish Unicode font variants (bold, bubble, gothic, script, small caps, and more) for Roblox usernames, bios, and group names. - [Robot Speak Translator](https://top10k.com/tool/robot-speak-translator): Translate typed text into a robotic-sounding style: uppercase, hyphen-joined words, and BEEP-BOOP tokens, with a one-click copy button. - [ROT13 Text Tool](https://top10k.com/tool/rot13-text-tool): Encode and decode text using the ROT13 Caesar cipher. Rotate each letter by 13 positions in the alphabet — applying ROT13 twice returns the original text. - [Sentence Case Converter](https://top10k.com/tool/sentence-case-converter): Converts text so only the first letter of each sentence is capitalized. All other letters are lowercased. - [Sentence Counter](https://top10k.com/tool/sentence-counter) - [Sentence Length Analyzer](https://top10k.com/tool/sentence-length-analyzer): Analyzes pasted text to show average sentence length, word count per sentence, longest and shortest sentences, and readability grade level based on sentence complexity. - [Shakespearean Translator](https://top10k.com/tool/shakespearean-translator): Translate modern English text into Shakespearean-style Early Modern English with word swaps like "you" to "thou" and "yes" to "aye", all in your browser. - [Shuffle Lines](https://top10k.com/tool/shuffle-lines): Randomly shuffles lines of text using the Fisher-Yates algorithm, with options to remove blank lines and duplicates before shuffling. - [URL Slug Generator](https://top10k.com/tool/slug-generator): Convert any title or text into clean, SEO-friendly URL slugs. Supports Unicode transliteration, custom separators, and stop-word removal. - [Smart Quotes Converter](https://top10k.com/tool/smart-quotes-converter) - [snake_case Converter](https://top10k.com/tool/snake-case-converter): Converts any text input to snake_case format used in Python, Ruby, and database fields. - [Sort Lines Alphabetically](https://top10k.com/tool/sort-lines-alphabetically): Sort a list of lines alphabetically (A-Z or Z-A) with options for case sensitivity, de-duplication, and removing blank lines. - [Space to Tab Converter](https://top10k.com/tool/space-to-tab-converter) - [Special Character Remover](https://top10k.com/tool/special-char-remover): Removes non-alphanumeric characters from text, with options to keep spaces, punctuation, or custom characters. - [Squiggle Text Generator](https://top10k.com/tool/squiggle-text-generator): Convert typed text into wavy squiggle Unicode text using combining characters, ready to copy into bios, chats, and captions. - [Superscript Text Converter](https://top10k.com/tool/superscript-text-converter) - [Syllable Counter](https://top10k.com/tool/syllable-counter): Count syllables in any word or passage of text using English phonetic rules, with per-word breakdown. - [Tab to Space Converter](https://top10k.com/tool/tab-to-space-converter): Converts tab characters in code or text to a configurable number of spaces (2, 4, or 8), with live preview and a copy button. - [Tattoo Font Generator](https://top10k.com/tool/tattoo-font-generator): Preview your text in tattoo-style script, blackletter, and bold display fonts side by side, then copy the text or save a transparent PNG for a tattoo mockup. - [Text Case Converter](https://top10k.com/tool/text-case-converter): Converts text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case instantly. - [Text Compressor](https://top10k.com/tool/text-compressor): Minimizes text by removing all unnecessary whitespace — strips leading/trailing spaces, collapses multiple spaces and newlines to single spaces, and shows before/after character counts with compres… - [Text Diff Checker](https://top10k.com/tool/text-diff-checker): Compare two texts side-by-side and highlight additions, deletions, and unchanged lines. Word-level and line-level diff modes. - [Text Encryption Tool](https://top10k.com/tool/text-encryption-tool): Encrypts and decrypts text using AES-256-GCM with a passphrase via the Web Crypto API — fully client-side, no data leaves the browser. - [Horizontal Text Flipper](https://top10k.com/tool/text-flip-horizontal): Flip text horizontally by mirroring each line. Reverse character order per line and optionally map Latin letters to their Unicode mirror equivalents (b/d, p/q, etc.) for a true mirror effect. - [Text Inverter](https://top10k.com/tool/text-inverter): Reverse the order of words in any sentence or paragraph. Paste your text and instantly get the words listed from last to first. - [Text Pad Tool](https://top10k.com/tool/text-pad-tool): Pads text or each line to a target length using a configurable fill character, with left, right, and center alignment options and a live character-count display. - [Text Repeat Tool](https://top10k.com/tool/text-repeat-tool): Repeats any word, string, or block of text a chosen number of times with an optional delimiter between each repetition. - [Text Repeater](https://top10k.com/tool/text-repeater): Repeats any input text a specified number of times with a configurable separator. - [Text Shuffler](https://top10k.com/tool/text-shuffler): Randomly shuffles characters, words, or lines in a text using a Fisher-Yates algorithm. - [Text Line Sorter](https://top10k.com/tool/text-sorter): Sort lines of text by various criteria including alphabetical, numeric, length, or random order, with options to remove duplicates, blank lines, and trim whitespace. - [Text Statistics Tool](https://top10k.com/tool/text-statistics-tool): Analyzes pasted text and shows word count, character count, sentence count, paragraph count, average word length, and estimated reading time. - [Text Statistics Dashboard](https://top10k.com/tool/text-stats-dashboard): Shows a comprehensive overview of text statistics including word count, character count, sentence count, paragraph count, average word length, and estimated reading time in a single dashboard. - [Text to Binary Converter](https://top10k.com/tool/text-to-binary) - [Lowercase Converter](https://top10k.com/tool/text-to-lowercase): Converts all text to lowercase letters instantly in your browser. Paste any text and get a fully lowercased version with one click. - [Uppercase Converter](https://top10k.com/tool/text-to-uppercase) - [Text Truncate Tool](https://top10k.com/tool/text-truncate-tool): Truncates text to a user-defined maximum character or word count with a configurable ellipsis suffix. - [Text Truncator](https://top10k.com/tool/text-truncator) - [TikTok Font Generator](https://top10k.com/tool/tiktok-font-generator): Converts typed text into 20 stylish Unicode font variants (bold, bubble, gothic, script, small caps, and more) formatted for pasting into TikTok bios and captions. - [Tiny Text Generator](https://top10k.com/tool/tiny-text-generator): Convert typed text into tiny Unicode text using small caps, superscript, and subscript characters for copy-paste into bios, chat, and captions. - [Title Capitalizer](https://top10k.com/tool/title-capitalizer): Capitalizes text according to AP, APA, Chicago, MLA, or sentence style rules, correctly handling articles, prepositions, conjunctions, and hyphenated words. - [Title Case Converter](https://top10k.com/tool/title-case-converter): Converts text to Title Case following AP, Chicago, or APA style rules. - [Top Words Finder](https://top10k.com/tool/top-words-finder): Analyzes pasted text and lists the most frequent words with occurrence counts and percentages, with configurable stop-word filtering. - [Line Trimmer](https://top10k.com/tool/trim-lines-tool): Trims leading and trailing whitespace (spaces, tabs) from every line in a text block, with options to trim only leading or only trailing. - [Twitter Font Generator](https://top10k.com/tool/twitter-font-generator): Converts typed text into stylized Unicode fonts such as bold, italic, script, gothic, and double-struck, plus effects like strikethrough and upside-down, for Twitter/X bios and posts. - [Unicode Bold / Italic Text Generator](https://top10k.com/tool/unicode-bold-italic) - [Unique Word Counter](https://top10k.com/tool/unique-word-counter): Counts distinct words in text and shows type-token ratio (TTR), with a sorted list of all unique words and their frequencies. - [Uppercase Converter](https://top10k.com/tool/uppercase-converter): Converts any text to UPPERCASE instantly with character and word count stats. - [URL Extractor](https://top10k.com/tool/url-extractor) - [UwU Translator](https://top10k.com/tool/uwu-translator): Convert plain English text into UwU-speak with r/l to w substitution, stutters, and kaomoji, adjustable by intensity. - [Valley Girl Translator](https://top10k.com/tool/valley-girl-translator): Translate standard English text into Valley Girl speech, adding filler words like "like" and "totally", swapping in slang, and tacking on uptalk-style phrasing. - [Vaporwave Text Generator](https://top10k.com/tool/vaporwave-text-generator): Converts typed text into full-width (zenkaku) aesthetic vaporwave text for social media bios and posts, with a one-click copy button. - [Vowel Counter](https://top10k.com/tool/vowel-counter): Counts the vowels (a, e, i, o, u) in any text, with a per-vowel breakdown, consonant count, and vowel-to-consonant ratio. - [Wavy Text Generator](https://top10k.com/tool/wavy-text-generator): Converts typed text into wavy Unicode text using stacked combining tilde and diacritical marks that ride above and below each letter, with adjustable wave height and a one-click copy button. - [Weird Text Generator](https://top10k.com/tool/weird-text-generator) - [Extra Whitespace Remover](https://top10k.com/tool/whitespace-remover): Removes extra spaces, tabs, and blank lines from pasted text, collapsing runs of whitespace to a single space. - [Word Count French](https://top10k.com/tool/word-count-french): Counts words, characters, sentences, and paragraphs in French text, with French-specific statistics like average sentence length. - [Word Count Target Tracker](https://top10k.com/tool/word-count-target-tracker): Tracks writing progress toward a word-count goal — paste or type text to see live count, percentage complete, words remaining, and estimated reading time. - [Word Counter](https://top10k.com/tool/word-counter): Count words, characters, sentences, paragraphs, and estimate reading and speaking time as you type. - [Word Scrambler](https://top10k.com/tool/word-scrambler) - [Word Splitter](https://top10k.com/tool/word-splitter) - [Word to Markdown Converter](https://top10k.com/tool/word-to-markdown-doc): Converts pasted Word/rich-text content into clean Markdown syntax, handling headings, bold, italic, lists, and links. - [Word Wrap Tool](https://top10k.com/tool/word-wrap-tool): Wraps plain text at a specified column width, with options for hard-wrap or soft-wrap and preserving paragraph breaks. - [Yoda Translator](https://top10k.com/tool/yoda-translator): Translate typed English sentences into Yoda-style speech by reordering clauses into an object-subject-verb pattern. - [Zero-Width Character Remover](https://top10k.com/tool/zero-width-char-remover) ## Plumbing Tools (11) - [Expansion Tank Size Calculator](https://top10k.com/tool/expansion-tank-size) - [Greywater Reuse Calculator](https://top10k.com/tool/greywater-reuse-calculator) - [Hot Water Heater Recovery Rate Calculator](https://top10k.com/tool/hot-water-recovery): Calculate how quickly a water heater recovers after heavy use. Enter heater input (BTU/hr or kW), tank size, and temperature rise to get gallons or liters per hour, first-hour delivery, and full-ta… - [PEX vs Copper Flow Rate Comparison](https://top10k.com/tool/pex-vs-copper-flow) - [Pipe Thread Reference Chart](https://top10k.com/tool/pipe-thread-reference) - [Pump Head Calculator](https://top10k.com/tool/pump-head-calculator) - [Septic Tank Size Calculator](https://top10k.com/tool/septic-tank-size) - [Drain Pipe Slope Calculator](https://top10k.com/tool/slope-of-drain-pipe) - [Tank Fill Time Calculator](https://top10k.com/tool/tank-fill-time): Calculate how long it takes to fill or refill a tank given total capacity, starting volume, and fill flow rate. Supports gallons, liters, cubic feet, and cubic meters with simultaneous drain rate a… - [Water Hammer Pressure Surge Calculator](https://top10k.com/tool/water-hammer-calculator): Estimates the pressure surge caused by rapid valve closure in a pipe system using the Joukowsky equation, with risk level output in kPa and PSI. - [Well Pump Sizing Calculator](https://top10k.com/tool/well-pump-sizing) ## Jewelry Tools (9) - [Bead String Length Calculator](https://top10k.com/tool/bead-string-length): Calculate the total string or wire length needed for a beaded necklace or bracelet given bead count, bead diameter, spacing between beads, and clasp length. - [Jewelry Chain Length Guide](https://top10k.com/tool/chain-length-guide) - [Diamond Price Estimator](https://top10k.com/tool/diamond-price-estimator) - [Gemstone Weight Calculator](https://top10k.com/tool/gemstone-weight-calculator) - [Gold Filled Content Calculator](https://top10k.com/tool/gold-filled-content): Calculate the actual gold weight and gold percentage in gold-filled jewelry from the total item weight and karat fraction (1/20, 1/10, 1/5, etc.). - [Pennyweight Converter](https://top10k.com/tool/pennyweight-converter): Converts between pennyweights (dwt), grams, troy ounces, and grains for jewelry and precious metal weight measurement. - [Ring Resize Cost Estimator](https://top10k.com/tool/ring-resize-cost-estimator): Enter your current and target ring size, metal type, band width, and stone details to get an estimated jeweler price range for resizing. - [Troy Ounce Converter](https://top10k.com/tool/troy-ounce-converter): Converts between troy ounces and grams, avoirdupois ounces, pennyweights, and grains — the standard unit used in precious metals and gemstone trading. - [Jewelry Wire Gauge Reference](https://top10k.com/tool/wire-gauge-jewelry): Reference table and lookup tool for jewelry wire gauges (AWG) showing diameter in mm and inches, approximate weight per foot, and recommended uses for each gauge. ## Woodworking (12) - [Compound Miter Calculator](https://top10k.com/tool/compound-miter-calculator): Calculates the blade tilt and miter angle settings for a compound miter saw when cutting crown molding or other angled joints, given the spring angle and corner angle. - [Cord of Wood Calculator](https://top10k.com/tool/cord-of-wood-calculator): Converts a wood pile's dimensions to full cords and face cords (128 ft³ = 1 cord), and calculates the row length needed for a target number of cords. - [Dovetail Layout Calculator](https://top10k.com/tool/dovetail-layout-calculator) - [Dowel Spacing Calculator](https://top10k.com/tool/dowel-spacing-calculator): Calculates optimal dowel pin spacing and positions along a board edge for woodworking joints, given board length, number of dowels, and edge margins. - [Firewood BTU Reference Chart & Heating Estimator](https://top10k.com/tool/firewood-btu-reference): Sourced firewood BTU reference chart and delivered-heat calculator using Penn State Extension values for air-dried wood at an assumed 20% moisture content. - [Glue Joint Strength Calculator](https://top10k.com/tool/glue-joint-strength) - [Golden Ratio Woodworking Calculator](https://top10k.com/tool/golden-ratio-woodworking): Apply the golden ratio (φ = 1.618) to woodworking dimensions. Enter one measurement to get the complementary golden-ratio dimension for shelves, tables, frames, and cabinet doors. Supports inches a… - [Miter Angle Woodworking Calculator](https://top10k.com/tool/miter-angle-woodworking): Calculates miter and bevel angles for woodworking joints given the number of sides in a polygon frame or the corner angle, with a table of common polygon angles. - [Spiral Stair Calculator](https://top10k.com/tool/spiral-stair-calculator): Calculate rise, run, tread arc length, and rotation angle for each step of a spiral staircase given floor-to-floor height, number of treads, and center column diameter. - [Wood Finish Coverage Calculator](https://top10k.com/tool/wood-finish-coverage) - [Wood Screw Pilot Hole Calculator](https://top10k.com/tool/wood-screw-pilot-hole) - [Wood Species Density Reference](https://top10k.com/tool/wood-species-density): Searchable reference table of 27 wood species with density in kg/m³ and lb/ft³, Janka hardness, and typical uses. Includes a weight calculator for any board dimensions. ## Computer Science Tools (31) - [Autoscaling Target Calculator](https://top10k.com/tool/autoscaling-target-calc): Calculates the optimal target utilization value for cloud autoscaling policies (Kubernetes HPA, AWS Target Tracking) given current and desired load metrics. - [Bandwidth-Delay Product Calculator](https://top10k.com/tool/bandwidth-delay-product): Calculates the bandwidth-delay product (BDP) — the amount of data in transit in a network pipe — from link bandwidth and round-trip time, with TCP buffer size recommendations. - [Batch Size Memory Estimator](https://top10k.com/tool/batch-size-memory-estimator): Estimate GPU/CPU memory required for a neural network training batch given model parameters, precision, and batch size. Includes activations, gradients, and optimizer state. - [Bloom Filter Calculator](https://top10k.com/tool/bloom-filter-calculator): Calculates optimal Bloom filter parameters — bit array size (m) and number of hash functions (k) — given the expected number of elements (n) and desired false positive rate (p), using m = -n·ln(p)/… - [Cache Size Calculator](https://top10k.com/tool/cache-size-calculator): Calculate the total cache memory size given the number of cache lines, block size, and set associativity. Covers direct-mapped, set-associative, and fully-associative caches for computer architectu… - [Container Memory Limit Calculator](https://top10k.com/tool/container-memory-limit): Recommends Docker and Kubernetes container memory requests and limits based on application type, baseline usage, and desired headroom percentage. - [Data Compression Ratio Calculator](https://top10k.com/tool/data-compression-ratio): Calculates data compression ratio, space savings percentage, and bits-per-symbol given original and compressed file sizes. - [Embedding Dimension Helper](https://top10k.com/tool/embedding-dimension-helper): Helps data scientists choose the right embedding vector dimension for their dataset using rule-of-thumb formulas (4th root of unique categories, Google rule) and compares against standard model dim… - [FLOPS Estimator](https://top10k.com/tool/flops-estimator): Estimates floating-point operations per second (FLOPS) for a processor or neural network layer based on clock speed, cores, FP units, and operation count inputs. - [Gradient Descent Step Calculator](https://top10k.com/tool/gradient-descent-step): Compute the next parameter value after one gradient descent step given current value, learning rate, and gradient; visualize convergence on a simple loss curve. - [Hash Collision Probability](https://top10k.com/tool/hash-collision-probability): Estimates the birthday-problem probability of at least one hash collision given a hash space size (bits) and number of items, using the standard approximation 1 - e^(-n^2 / 2H). - [Jaccard Similarity Calculator](https://top10k.com/tool/jaccard-similarity-calculator): Computes the Jaccard similarity index (intersection over union) between two sets of items; accepts comma-separated or space-separated tokens and shows intersection, union, and similarity score. - [Kubernetes Resource Sizing Calculator](https://top10k.com/tool/kubernetes-resource-sizing): Estimates appropriate CPU requests/limits and memory requests/limits for Kubernetes pods based on application type, concurrency, and observed usage patterns. - [Load Balancer Sizing Calculator](https://top10k.com/tool/load-balancer-sizing): Estimates the number of backend instances needed behind a load balancer given requests per second, average response time, and target CPU utilization. - [Manhattan Distance Calculator](https://top10k.com/tool/manhattan-distance-vectors): Calculates the Manhattan (taxicab/L1) distance between two points or vectors of any dimension; also shows Euclidean distance for comparison. - [ML Model Parameter Counter](https://top10k.com/tool/model-parameter-counter): Estimates the total number of trainable parameters in a neural network by summing weights and biases across layers: dense, convolutional, embedding, and multi-head attention. - [MTTR Calculator](https://top10k.com/tool/mttr-calculator): Calculate Mean Time To Repair (MTTR) for systems or services given total downtime and incident count — a core DevOps and SRE reliability metric. - [Nines of Availability to Downtime Calculator](https://top10k.com/tool/nines-to-downtime): Convert SLA availability percentage ("nines") to allowed downtime per year, month, week, and day. Includes a reference table of standard SLA tiers from 90% to 99.9999%. - [One-Hot Encoding Helper](https://top10k.com/tool/one-hot-encoding-helper) - [Password Entropy Calculator](https://top10k.com/tool/password-entropy-calculator): Calculates the entropy (in bits) of a password based on its character set size and length, showing crack-time estimates and strength rating. - [Perplexity Calculator](https://top10k.com/tool/perplexity-calculator): Calculate language model perplexity from per-token probabilities or a cross-entropy loss value. Perplexity = exp(H) where H is the average negative log-likelihood; lower is better. - [Pod Replica Calculator](https://top10k.com/tool/pod-replica-calculator): Calculates the recommended number of Kubernetes pod replicas based on target CPU/memory utilization, requests, and expected load, with HPA threshold guidance. - [Cryptographic Prime Number Generator](https://top10k.com/tool/prime-generator-crypto): Generates large cryptographically-suitable prime numbers of a specified bit length using the Miller-Rabin primality test in pure JavaScript. - [RAID Capacity Calculator](https://top10k.com/tool/raid-capacity-calculator): Calculates usable storage capacity, redundancy overhead, and fault tolerance for RAID 0, 1, 5, 6, and 10 configurations. - [Reserved vs On-Demand Cloud Cost Comparison](https://top10k.com/tool/reserved-vs-ondemand): Compare total cloud costs between reserved (1-year or 3-year) and on-demand pricing over a chosen period. See the break-even point and savings percentage to decide whether a commitment makes financ… - [Nyquist Sampling Rate Calculator](https://top10k.com/tool/sampling-rate-nyquist): Calculates the minimum Nyquist sampling rate (fs_min = 2 × f_max) for a given signal bandwidth, and conversely finds the maximum recoverable frequency for a given sample rate. Includes aliasing exp… - [Silhouette Score Helper](https://top10k.com/tool/silhouette-score-helper): Compute the silhouette score for clustered 2D or 3D data points. Enter x,y or x,y,z coordinates with cluster labels to evaluate clustering quality. - [Spot Savings Calculator](https://top10k.com/tool/spot-savings-calculator): Estimates cost savings from using cloud spot/preemptible instances vs on-demand pricing given instance type, hours, and discount rate. - [Subnet Host Count](https://top10k.com/tool/subnet-host-count): Calculates the number of usable hosts, network address, broadcast address, and subnet mask for any IPv4 CIDR notation (e.g. 192.168.1.0/24). - [TF-IDF Calculator](https://top10k.com/tool/tf-idf-calculator): Computes Term Frequency-Inverse Document Frequency (TF-IDF) scores for terms across a small set of documents; user pastes documents and sees TF, IDF, and TF-IDF scores per term. - [LLM Token Cost Estimator](https://top10k.com/tool/token-cost-estimator): Estimate the cost of LLM API calls by computing token counts from pasted text and applying per-model pricing for GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and more. ## Color Tools (91) - [Baseline Grid Calculator](https://top10k.com/tool/baseline-grid-calculator): Calculates baseline grid values for typography and layout design, helping designers establish consistent vertical rhythm. - [CMYK to HSL Converter](https://top10k.com/tool/cmyk-to-hsl): Convert CMYK (Cyan, Magenta, Yellow, Key/Black) color values to HSL (Hue, Saturation, Lightness) with a live color preview swatch. - [CMYK to HSV Converter](https://top10k.com/tool/cmyk-to-hsv): Converts CMYK (Cyan, Magenta, Yellow, Key/Black) color values to HSV (Hue, Saturation, Value) with a live color preview swatch. - [CMYK to HWB Converter](https://top10k.com/tool/cmyk-to-hwb): Converts CMYK color values to HWB (Hue, Whiteness, Blackness) color model with a live preview swatch. - [CMYK to LAB Converter](https://top10k.com/tool/cmyk-to-lab): Converts CMYK color values (0–100%) to CIE LAB (L*, a*, b*) color space via CMYK→RGB→XYZ→LAB conversion chain using D65 illuminant; displays a live color preview swatch. - [CMYK to RGBA Converter](https://top10k.com/tool/cmyk-to-rgba): Convert CMYK (Cyan, Magenta, Yellow, Key/Black) color values to RGBA (Red, Green, Blue, Alpha) with a live color preview swatch. - [CMYK to XYZ Converter](https://top10k.com/tool/cmyk-to-xyz): Converts CMYK color values (0–100%) to CIE XYZ color space via CMYK→RGB→Linear sRGB→XYZ(D65) conversion chain; displays live color swatch and hex equivalent. - [Color Blindness Simulator](https://top10k.com/tool/color-blindness-simulator): Simulates how a hex color or a small palette appears to people with protanopia, deuteranopia, tritanopia, and achromatopsia using color transformation matrices. - [Color Contrast Checker](https://top10k.com/tool/color-contrast-checker): Test text/background color combinations against WCAG 2.1 AA and AAA accessibility standards. Live preview with contrast ratio. - [Color Mixer](https://top10k.com/tool/color-mixer): Mix two colors together with a ratio slider; shows the blended result as a live preview swatch with hex and RGB values, plus a 5-step gradient strip. - [Conic Gradient Generator](https://top10k.com/tool/conic-gradient-generator): Creates CSS conic-gradient() syntax with a live visual preview, configurable color stops, rotation angle, and a one-click copy button. - [Darken Color Tool](https://top10k.com/tool/darken-color-tool): Takes a hex or RGB color and darkens it by a user-specified percentage, showing a before/after preview with a 5-step darkening strip. - [Earth Tone Palette Generator](https://top10k.com/tool/earth-tone-palette): Generates warm, muted earth-tone color palettes (browns, tans, ochres, terracottas) with a curated set of presets and hex/RGB copy buttons. - [Eyedropper Color Picker](https://top10k.com/tool/eyedropper-picker): Pick any color from an uploaded image. Click anywhere on the image to extract HEX, RGB, HSL, and the closest CSS color name. Also supports the native browser EyeDropper API for on-screen picking. - [Glassmorphism Generator](https://top10k.com/tool/glassmorphism-generator): Generates frosted-glass CSS effects with configurable background blur, transparency, border, and background color — shows a live preview card over a gradient backdrop. - [Gradient Angle Picker](https://top10k.com/tool/gradient-angle-picker): Visual compass dial for selecting CSS gradient direction — drag or click the compass to set an angle from 0 to 360 degrees, shows the CSS linear-gradient() output and common named directions. - [Gradient Generator](https://top10k.com/tool/gradient-generator): Generates CSS linear, radial, and conic gradients with live preview and copyable CSS output. - [CSS Gradient Generator](https://top10k.com/tool/gradient-generator-css): Build linear, radial, and conic CSS gradients visually with multiple color stops, angle control, and live preview. - [Gradient Text Generator](https://top10k.com/tool/gradient-text-generator): Applies gradient fill to text using CSS background-clip — pick start and end colors, angle, and preview text, then get the ready-to-paste CSS snippet. - [HEX to HSV Color Converter](https://top10k.com/tool/hex-to-hsv): Convert HEX color codes to HSV (Hue, Saturation, Value) with live color preview and reverse conversion from HSV back to HEX. - [HEX to RGB Converter](https://top10k.com/tool/hex-to-rgb): Convert HEX color codes to RGB format instantly. Free online color converter with live preview swatch. - [HEX to RGBA Converter](https://top10k.com/tool/hex-to-rgba): Converts HEX color codes to RGBA format with adjustable alpha transparency — supports 3, 6, and 8-digit hex codes with a live color preview swatch and one-click copy. - [HSL to CMYK Converter](https://top10k.com/tool/hsl-to-cmyk): Convert HSL (Hue, Saturation, Lightness) color values to CMYK (Cyan, Magenta, Yellow, Key/Black) with a live color preview swatch. - [HSL to HSV Converter](https://top10k.com/tool/hsl-to-hsv): Convert HSL (Hue, Saturation, Lightness) colors to HSV (Hue, Saturation, Value) instantly with a live preview and reverse conversion from HSV back to HSL. - [HSL to HWB Converter](https://top10k.com/tool/hsl-to-hwb): Convert HSL (Hue, Saturation, Lightness) color values to HWB (Hue, Whiteness, Blackness) format instantly with a live swatch and one-click copy. - [HSL to LAB Converter](https://top10k.com/tool/hsl-to-lab): Convert HSL color values to CIE LAB (L*a*b*) color space via the HSL → RGB → XYZ → LAB transformation chain. - [HSL to RGBA Converter](https://top10k.com/tool/hsl-to-rgba): Convert HSL (Hue, Saturation, Lightness) color values to RGBA format with an optional alpha channel. Get CSS-ready rgba() output instantly with a live color preview. - [HSL to XYZ Converter](https://top10k.com/tool/hsl-to-xyz): Converts HSL (Hue, Saturation, Lightness) color values to CIE XYZ tristimulus values, with intermediate RGB and live color swatch preview. - [HSV to CMYK Color Converter](https://top10k.com/tool/hsv-to-cmyk): Convert HSV (Hue, Saturation, Value) color values to CMYK (Cyan, Magenta, Yellow, Key/Black) format with a live color preview swatch. - [HSV to HEX Converter](https://top10k.com/tool/hsv-to-hex): Convert HSV (Hue, Saturation, Value) color values to a HEX color code with live preview. - [HSV to HSL Color Converter](https://top10k.com/tool/hsv-to-hsl): Converts a color from HSV (Hue, Saturation, Value) to HSL (Hue, Saturation, Lightness) format with a live color preview. - [HSV to HWB Converter](https://top10k.com/tool/hsv-to-hwb): Converts HSV (Hue, Saturation, Value) color values to HWB (Hue, Whiteness, Blackness) format with a live swatch, sliders, and one-click copy. - [HSV to LAB Converter](https://top10k.com/tool/hsv-to-lab): Converts HSV (Hue, Saturation, Value) color values to CIE LAB color space with a live color swatch. - [HSV to RGB Converter](https://top10k.com/tool/hsv-to-rgb): Converts HSV (Hue, Saturation, Value) color values to RGB, HEX, and HSL formats with a live color preview. - [HSV to RGBA Converter](https://top10k.com/tool/hsv-to-rgba): Converts HSV (Hue, Saturation, Value) color values to RGBA format with live color preview. - [HSV to XYZ Converter](https://top10k.com/tool/hsv-to-xyz): Converts HSV (Hue, Saturation, Value) color values to CIE XYZ color space with D65 illuminant, showing intermediate RGB values and a live color preview. - [HWB to CMYK Converter](https://top10k.com/tool/hwb-to-cmyk): Converts HWB (Hue, Whiteness, Blackness) color values to CMYK (Cyan, Magenta, Yellow, Key) with live color preview. - [HWB to HEX Converter](https://top10k.com/tool/hwb-to-hex): Convert HWB (Hue, Whiteness, Blackness) color values to a HEX color code, with live color preview and reverse HEX-to-HWB conversion. - [HWB to HSL Color Converter](https://top10k.com/tool/hwb-to-hsl): Converts HWB (Hue, Whiteness, Blackness) color values to HSL (Hue, Saturation, Lightness) format with a live color preview swatch. - [HWB to HSV Color Converter](https://top10k.com/tool/hwb-to-hsv): Converts HWB (Hue, Whiteness, Blackness) color values to HSV/HSB (Hue, Saturation, Value/Brightness) format with a live color preview swatch. - [HWB to LAB Converter](https://top10k.com/tool/hwb-to-lab): Converts HWB (Hue, Whiteness, Blackness) color values to CIE LAB color space with a live preview swatch. - [HWB to RGB Converter](https://top10k.com/tool/hwb-to-rgb): Converts HWB (Hue, Whiteness, Blackness) color values to RGB; live color preview swatch; shows the intermediate conversion steps. - [HWB to RGBA Converter](https://top10k.com/tool/hwb-to-rgba): Convert HWB (Hue, Whiteness, Blackness) color values to RGBA (Red, Green, Blue, Alpha) with a live color preview swatch. - [HWB to XYZ Converter](https://top10k.com/tool/hwb-to-xyz): Converts HWB (Hue, Whiteness, Blackness) color values to CIE XYZ color space with intermediate sRGB steps and a live color swatch. - [Jewel Tone Palette Generator](https://top10k.com/tool/jewel-tone-palette): Generates rich, saturated jewel-tone color palettes (ruby, sapphire, emerald, amethyst, etc.) from a base hue with hex/RGB/HSL export. - [LAB to CMYK Converter](https://top10k.com/tool/lab-to-cmyk): Converts a CIE LAB color value to its CMYK equivalent for print workflows via the LAB→XYZ→sRGB→CMYK pipeline with D65 illuminant. - [LAB to HEX Converter](https://top10k.com/tool/lab-to-hex): Converts CIE LAB color values (L*, a*, b*) to HEX color code via the LAB→XYZ→sRGB pipeline, with live color preview and one-click copy. - [LAB to HSL Converter](https://top10k.com/tool/lab-to-hsl): Converts CIE L*a*b* color values to HSL (hue, saturation, lightness) via the XYZ and sRGB color spaces. - [LAB to HSV Converter](https://top10k.com/tool/lab-to-hsv): Converts CIE L*a*b* color values to HSV (hue, saturation, value) via the XYZ and sRGB color spaces. - [LAB to HWB Converter](https://top10k.com/tool/lab-to-hwb): Converts CIE LAB color values to HWB (Hue, Whiteness, Blackness) format with a live color preview. - [LAB to RGB Converter](https://top10k.com/tool/lab-to-rgb): Converts CIE LAB color values (L*, a*, b*) to RGB (0–255) via the LAB→XYZ→sRGB pipeline with D65 illuminant. - [LAB to RGBA Converter](https://top10k.com/tool/lab-to-rgba): Converts CIE LAB color values to RGBA (red, green, blue, alpha) format with a live color preview. - [LAB to XYZ Converter](https://top10k.com/tool/lab-to-xyz): Converts CIE L*a*b* color values to CIE XYZ tristimulus values using the D65 illuminant and the standard inverse CIE f() function. - [Lighten Color Tool](https://top10k.com/tool/lighten-color-tool): Lighten any hex color by increasing its HSL lightness value by a chosen percentage; shows original and lightened swatches with a 5-step preview strip. - [Modular Scale Typography Generator](https://top10k.com/tool/modular-scale-typography): Generate a harmonious typographic scale using a base font size and a ratio (e.g. Perfect Fourth, Golden Ratio), outputting CSS font-size values. - [Monochromatic Palette Generator](https://top10k.com/tool/monochromatic-palette-generator): Generates a monochromatic color palette (tints, shades, tones) from a base hex color by varying lightness in HSL space. Control the number of steps and instantly copy hex or RGB values. - [Multi-Stop Gradient Generator](https://top10k.com/tool/multi-stop-gradient-generator): Builds CSS linear-gradient() with up to 8 color stops — add/remove stops, set colors and positions, choose angle, preview live, and copy the CSS. - [Neon Palette Generator](https://top10k.com/tool/neon-palette-generator): Creates high-saturation neon color palettes for digital art and UI — pick a base hue and generate 6–8 neon shades with hex, RGB, and HSL values and clickable copy buttons. - [Neutral Color Palette Builder](https://top10k.com/tool/neutral-palette-builder): Creates warm-neutral and cool-neutral color scales from a base hue, generating 10-step tint/shade scales with hex/CSS export. - [Pastel Palette Generator](https://top10k.com/tool/pastel-palette-generator): Creates soft pastel color palettes from a base hue by boosting lightness and reducing saturation, with controls for palette size and a randomize button. - [Random Gradient Generator](https://top10k.com/tool/random-gradient-generator): Generates random CSS linear and radial gradients with live preview, angle control, and one-click CSS copy. - [Repeating Gradient Generator](https://top10k.com/tool/repeating-gradient-generator): Generates CSS repeating-linear-gradient() and repeating-radial-gradient() patterns with configurable colors, stop sizes, and angle — live preview and copy CSS output. - [Retro / Vintage Color Palette Generator](https://top10k.com/tool/retro-color-palette): Generate curated retro and vintage color palettes by era or style. Choose from 70s Earthy, 80s Neon, 90s Pastel, Sepia Vintage, Art Deco, and Mid-Century Modern. Copy hex codes, get CSS variables, … - [RGB to HSV Converter](https://top10k.com/tool/rgb-to-hsv): Converts an RGB color value to its HSV (Hue, Saturation, Value) equivalent with a live color preview. - [RGB to HWB Converter](https://top10k.com/tool/rgb-to-hwb): Converts RGB color values to HWB (Hue, Whiteness, Blackness) format and shows live color preview with copy buttons for both formats. - [RGB to LAB Color Converter](https://top10k.com/tool/rgb-to-lab): Convert RGB color values to CIE L*a*b* color space with visual color preview. Accurate D65 illuminant conversion with perceptual color distance support. - [RGB to RGBA Converter](https://top10k.com/tool/rgb-to-rgba): Converts an RGB color to RGBA by adding an alpha (opacity) channel, with live CSS output and color preview. - [RGB to XYZ Converter](https://top10k.com/tool/rgb-to-xyz): Converts an sRGB color value to the CIE XYZ color space used in color science and ICC profiles. - [RGBA to CMYK Converter](https://top10k.com/tool/rgba-to-cmyk): Convert RGBA (Red, Green, Blue, Alpha) color values to CMYK (Cyan, Magenta, Yellow, Key/Black) percentages for print use, with a live color preview swatch. - [RGBA to HEX Converter](https://top10k.com/tool/rgba-to-hex): Convert RGBA color values (red, green, blue, alpha) to hexadecimal color codes, with live color preview and reverse HEX-to-RGBA conversion. - [RGBA to HSL Converter](https://top10k.com/tool/rgba-to-hsl): Convert RGBA color values (red 0-255, green 0-255, blue 0-255, alpha 0-1) to HSL (hue in degrees, saturation %, lightness %) with live color preview and one-click copy. - [RGBA to HSV Converter](https://top10k.com/tool/rgba-to-hsv): Convert RGBA color values (red 0-255, green 0-255, blue 0-255, alpha 0-1) to HSV (hue in degrees, saturation %, value %) with live color preview and one-click copy. - [RGBA to HWB Converter](https://top10k.com/tool/rgba-to-hwb): Convert RGBA color values (red 0-255, green 0-255, blue 0-255, alpha 0-1) to HWB (Hue, Whiteness, Blackness) format with live color preview and one-click copy. - [RGBA to LAB Converter](https://top10k.com/tool/rgba-to-lab): Converts RGBA color values to CIELAB (L*a*b*) color space via the sRGB gamma decode → XYZ D65 → Lab pipeline, with intermediate XYZ values and a live color swatch preview. - [RGBA to RGB Converter](https://top10k.com/tool/rgba-to-rgb): Converts RGBA color values to RGB by compositing against a chosen background color using the alpha blending formula. - [RGBA to XYZ Converter](https://top10k.com/tool/rgba-to-xyz): Converts an RGBA color value to CIE XYZ color space using the sRGB to XYZ D65 transformation matrix, accounting for alpha by compositing against white. - [Rule of Thirds Grid Generator](https://top10k.com/tool/rule-of-thirds-grid): Interactive canvas tool that overlays a rule-of-thirds grid on a user-chosen image or blank canvas to aid composition planning for photography and design. - [Saturate Color Tool](https://top10k.com/tool/saturate-color-tool): Increases or decreases the saturation of a given hex color and shows the result. - [Shade Generator](https://top10k.com/tool/shade-generator): Generate tints (mixed with white) and shades (mixed with black) of any hex color. Control the number of steps and instantly copy hex or RGB values for each swatch. - [Square Color Scheme Generator](https://top10k.com/tool/square-color-scheme): Generates a four-color square (double-complementary) palette from a base hex color by rotating 90 degrees around the color wheel, with hex/RGB output and copy buttons. - [Tetradic Color Finder](https://top10k.com/tool/tetradic-color-finder): Finds the four tetradic (rectangle/square) harmony colors for any hex input color by rotating hue 90 degrees apart; displays swatches with hex/RGB values. - [Tint Generator](https://top10k.com/tool/tint-generator): Generate 9 tints of any hex color by mixing it with white at 10%–90% increments; click any swatch to copy its hex code. - [Triadic Color Finder](https://top10k.com/tool/triadic-color-finder): Finds the two triadic colors (120° apart on the color wheel) for any input hex color. Displays swatches, hex, RGB, and HSL values for all three colors. - [XYZ to CMYK Converter](https://top10k.com/tool/xyz-to-cmyk): Converts CIE XYZ color values to CMYK (cyan, magenta, yellow, key/black) with a live color preview. - [XYZ to HEX Converter](https://top10k.com/tool/xyz-to-hex): Converts CIE XYZ tristimulus values to an sRGB hex color code using the D65 illuminant matrix. - [XYZ to HSL Converter](https://top10k.com/tool/xyz-to-hsl): Converts CIE XYZ color values to HSL (hue, saturation, lightness) with a live color preview. - [XYZ to HSV Converter](https://top10k.com/tool/xyz-to-hsv): Converts CIE XYZ color values to HSV (hue, saturation, value) with a live color preview. - [XYZ to HWB Converter](https://top10k.com/tool/xyz-to-hwb): Convert a CIE XYZ color value to the HWB (Hue, Whiteness, Blackness) color model with a live color swatch preview. - [XYZ to LAB Converter](https://top10k.com/tool/xyz-to-lab): Converts CIE XYZ tristimulus values to CIE L*a*b* (CIELAB) color space using the D65 illuminant, showing the live color swatch and step-by-step formulas. - [XYZ to RGB Converter](https://top10k.com/tool/xyz-to-rgb): Converts CIE XYZ tristimulus values to sRGB (0–255) color components using the standard XYZ→linear RGB→sRGB pipeline with D65 illuminant. - [XYZ to RGBA Converter](https://top10k.com/tool/xyz-to-rgba): Converts CIE XYZ tristimulus values to RGBA (0-255 each channel, 0-1 alpha) using the standard XYZ to sRGB pipeline with D65 illuminant. Includes live color preview and copy-to-clipboard. ## Image Tools (182) - [35mm x 45mm Photo Resizer](https://top10k.com/tool/35mm-x-45mm-photo-resizer): Crop and resize any uploaded photo to the exact 35mm x 45mm dimension (413x531px at 300 DPI), with an adjustable head-height guide and an automatic background color check. Runs entirely in your bro… - [Aadhaar Photo Resizer](https://top10k.com/tool/aadhaar-photo-resizer): Crop and resize a photo to the Aadhaar enrollment photo spec — 3.5 x 4.5 cm at your chosen DPI — and fit the file to a target size range, entirely client-side via Canvas. - [App Icon Resizer](https://top10k.com/tool/app-icon-resizer): Upload a square source image and export the full set of iOS and Android app icon sizes as a ZIP, entirely in your browser. - [Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-calculator): Calculate missing width or height to maintain an image aspect ratio, and simplify any ratio to its lowest terms. - [AVIF to BMP Converter](https://top10k.com/tool/avif-to-bmp-image): Convert an AVIF image to BMP format entirely in the browser using the Canvas API. No uploads, no server — your file never leaves your device. - [AVIF to GIF Converter](https://top10k.com/tool/avif-to-gif-image): Converts a single AVIF image to GIF format client-side using Canvas API and the gifenc encoder library. No upload, no server — pure browser processing. - [AVIF to HEIC Alternative (JPEG)](https://top10k.com/tool/avif-to-heic-image): Export AVIF images as high-quality JPEG files in your browser. Standard Canvas APIs cannot encode HEIC, so this tool clearly provides JPEG rather than mislabeled HEIC output. - [AVIF to ICO Converter](https://top10k.com/tool/avif-to-ico-image): Converts an AVIF image file to ICO format (favicon) entirely in the browser using Canvas API, generating multiple icon sizes (16x16, 32x32, 48x48, 64x64) packed into a single .ico file download. - [AVIF to JPG Converter](https://top10k.com/tool/avif-to-jpg-image): Converts AVIF image files to JPG format entirely in the browser using Canvas API. Includes a quality slider. No upload, no server, no account required. - [AVIF to PNG Converter](https://top10k.com/tool/avif-to-png-image): Convert AVIF image files to PNG format entirely in your browser using the Canvas API. No upload, no server, no account required. - [AVIF to SVG Converter](https://top10k.com/tool/avif-to-svg-image): Embed an AVIF image inside an SVG wrapper entirely in your browser and download the result as an SVG file. No upload, no server, no account required. - [AVIF to TIFF Converter](https://top10k.com/tool/avif-to-tiff-image): Convert AVIF images to TIFF format directly in your browser using the Canvas API. No upload, no server, completely private. - [AVIF to WebP Converter](https://top10k.com/tool/avif-to-webp-image): Converts AVIF image files to WebP in browsers that support both AVIF decoding and WebP Canvas encoding. Includes a quality slider and verifies the output format before download. - [Banner Safe Area Checker](https://top10k.com/tool/banner-safe-area-checker): Upload a banner or ad creative and overlay configurable safe-area margin guides, either percentage-based or common platform presets, to check that key content stays clear of edges that get cropped … - [Base64 To Image](https://top10k.com/tool/base64-to-image): Paste a base64-encoded string and instantly decode it to a displayable image you can preview and download. - [Bleed And Margin Calculator](https://top10k.com/tool/bleed-and-margin-calculator): Calculates print bleed and margin dimensions for a document given its finished size and desired bleed/margin amounts. - [BMP to AVIF Converter](https://top10k.com/tool/bmp-to-avif-image): Converts BMP image files to AVIF format entirely in the browser using the Canvas API; supports quality adjustment and shows file size comparison. - [BMP to GIF Converter](https://top10k.com/tool/bmp-to-gif-image): Convert BMP images to GIF format in the browser using the Canvas API. No upload required — your images stay private on your device. - [BMP to HEIC Converter](https://top10k.com/tool/bmp-to-heic-image): Convert BMP images to high-quality JPEG in your browser. Native HEIC encoding is not supported in browsers; this tool delivers an equivalent high-quality result with full transparency about the lim… - [BMP to ICO Converter](https://top10k.com/tool/bmp-to-ico-image): Converts a BMP image to ICO (icon) format in the browser using Canvas API, generating multiple icon sizes (16x16, 32x32, 48x48, 64x64) packed into a single .ico file download. - [BMP to JPG Converter](https://top10k.com/tool/bmp-to-jpg-image): Convert BMP image files to JPG format client-side using the Canvas API with adjustable quality. No upload, fully private, instant download. - [BMP to PNG Converter](https://top10k.com/tool/bmp-to-png-image): Convert BMP image files to PNG format entirely in your browser using the Canvas API. No upload required — your images stay private on your device. - [BMP to SVG Converter](https://top10k.com/tool/bmp-to-svg-image): Converts a BMP image to a traced SVG vector using client-side Canvas pixel reading and path tracing — no upload, no server. - [BMP to TIFF Converter](https://top10k.com/tool/bmp-to-tiff-image): Converts BMP images to TIFF format in-browser using Canvas API; supports drag-and-drop upload with download button. - [BMP to WebP Converter](https://top10k.com/tool/bmp-to-webp-image): Convert BMP image files to WebP format in the browser using Canvas API with adjustable quality. No upload required — your images stay private on your device. - [China Visa Photo](https://top10k.com/tool/china-visa-photo): Crop and resize an uploaded photo to the China visa photo spec (33x48mm, 390x567px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Circle Crop Tool](https://top10k.com/tool/circle-crop-tool): Crop any uploaded image into a perfect circle and download the result as a PNG with a transparent background. No upload, no server — runs entirely in your browser. - [Collage Maker](https://top10k.com/tool/collage-maker): Upload multiple images and arrange them into a grid collage. Choose layout, spacing, and background color, then download the result as a PNG — all client-side in your browser. - [Image Compressor](https://top10k.com/tool/compressor): Compress JPG, PNG, and WebP images in bulk directly in your browser. Reduce file sizes without uploading to any server. - [Depth of Field Calculator](https://top10k.com/tool/depth-of-field-photo): Calculates near/far depth-of-field limits, hyperfocal distance, and total DoF for a given camera sensor size, focal length, aperture (f-stop), and focus distance. - [Discord PFP Resizer](https://top10k.com/tool/discord-pfp-resizer): Crops and resizes an uploaded photo to a clean 128x128px square matching Discord's profile picture display size, for PNG download. Runs entirely in your browser. - [Ebook Cover Resizer](https://top10k.com/tool/ebook-cover-resizer): Crop and resize a cover image to Amazon KDP ebook cover requirements (1.6:1 ratio, 1600x2560 recommended, 625x1000 minimum) with a live crop preview and one-click download. - [Email Signature Image Resizer](https://top10k.com/tool/email-signature-image-resizer): A client-side image resizer for email signature logos and headshots. Resize to a small, email-client-safe pixel width, cap the file size, and download. - [Equivalent Exposure Calculator](https://top10k.com/tool/equivalent-exposure-calculator): Find equivalent camera exposure settings (aperture f-stop, shutter speed, ISO) that produce the same exposure value (EV), useful for switching between tripod/handheld shots or changing depth of field. - [Exif Data Viewer](https://top10k.com/tool/exif-data-viewer): Reads and displays EXIF metadata from uploaded JPEG/TIFF images (camera model, GPS, exposure, date) entirely client-side using the exifr library. - [EXIF Remover](https://top10k.com/tool/exif-remover): Remove EXIF metadata from JPEG and PNG images in your browser using Canvas API re-encoding. Shows before/after file size and lets you download the clean image instantly. - [EXIF Data Stripper](https://top10k.com/tool/exif-stripper): Remove EXIF metadata (GPS location, camera info, timestamps) from JPG and PNG photos before sharing. Privacy-first, runs in your browser. - [Exposure Triangle Helper](https://top10k.com/tool/exposure-triangle-helper): Interactive photography exposure triangle tool that shows the relationship between aperture (f-stop), shutter speed, and ISO, and calculates equivalent exposures when one setting changes. - [Exposure Value Calculator](https://top10k.com/tool/exposure-value-calculator) - [Facebook Cover Resizer](https://top10k.com/tool/facebook-cover-resizer): Resize and reposition any photo to fit Facebook's cover photo frame (820 x 312 px), with a mobile-safe zone guide so the focal point survives both desktop and mobile cropping. Runs entirely in your… - [Favicon From Image](https://top10k.com/tool/favicon-from-image): Crop and resize an uploaded image to standard favicon sizes (16x16, 32x32, 48x48) and download each result as a PNG file. Runs entirely in your browser — no upload required. - [Favicon Generator](https://top10k.com/tool/favicon-generator): Upload any image and instantly generate a complete favicon pack: 16x16, 32x32, 48x48, 180x180 (Apple Touch Icon), 192x192, and 512x512 (PWA). Download each size individually and copy the ready-made… - [GIF to AVIF Converter](https://top10k.com/tool/gif-to-avif-image): Converts the first frame of a GIF image to AVIF (or WebP fallback) in the browser using Canvas API, with before/after preview and file size comparison. - [GIF to BMP Converter](https://top10k.com/tool/gif-to-bmp-image): Converts the first frame of a GIF image to BMP format entirely in the browser using Canvas API, with download support. - [GIF to HEIC Converter](https://top10k.com/tool/gif-to-heic-image): Extracts individual frames from an animated GIF and lets you download them as PNG images. Explains the GIF-to-HEIC workflow since true HEIC encoding requires native OS tools like macOS Preview or I… - [GIF to ICO Converter](https://top10k.com/tool/gif-to-ico-image): Converts a GIF image to ICO (icon) format in the browser using Canvas API, generating multiple icon sizes (16x16, 32x32, 48x48, 64x64) packed into a single .ico file download. - [GIF to JPG Converter](https://top10k.com/tool/gif-to-jpg-image): Convert a GIF image to JPG format entirely in your browser using Canvas. Animated GIFs extract the first frame. Adjust JPEG quality and download instantly — no upload, fully private. - [GIF to PNG Converter](https://top10k.com/tool/gif-to-png-image): Convert a GIF image to PNG format entirely in your browser using the Canvas API. Animated GIFs are supported — the first frame is extracted and saved as a lossless PNG. - [GIF to SVG Converter](https://top10k.com/tool/gif-to-svg-image): Embeds the first frame of a GIF as a base64 PNG inside an SVG wrapper in the browser using Canvas API, enabling download as an SVG file. - [GIF to TIFF Converter](https://top10k.com/tool/gif-to-tiff-image): Convert a GIF image to TIFF format entirely in your browser using the Canvas API. The first frame of animated GIFs is extracted and saved as an uncompressed TIFF file with no server upload. - [GIF to WebP Converter](https://top10k.com/tool/gif-to-webp-image): Convert a GIF image to WebP format instantly in your browser. Extracts the first frame as a high-quality static WebP — no upload, no server, 100% private. - [HEIC to AVIF Converter](https://top10k.com/tool/heic-to-avif-image): Convert HEIC/HEIF images to AVIF format entirely in the browser using heic2any and Canvas. No upload required — your file never leaves your device. - [HEIC to BMP Converter](https://top10k.com/tool/heic-to-bmp-image): Convert HEIC/HEIF images (iPhone photos) to BMP format. Includes step-by-step instructions for macOS, Windows, and online converters, plus a full HEIC vs BMP format comparison. - [HEIC to GIF Converter](https://top10k.com/tool/heic-to-gif-image): Convert HEIC (Apple iPhone photos) to GIF format in your browser. Supports JPEG/PNG inputs with canvas-based GIF export. Includes a guide on converting HEIC files on any device. - [HEIC to ICO Converter](https://top10k.com/tool/heic-to-ico-image): Convert HEIC/HEIF images to ICO format entirely in your browser. Produces standard 32x32 and 16x16 favicon-compatible ICO files with no uploads required. - [HEIC to JPG Converter](https://top10k.com/tool/heic-to-jpg-image): Convert HEIC/HEIF images (iPhone photos) to JPEG format entirely in the browser. No upload required — your file never leaves your device. - [HEIC to PNG Converter](https://top10k.com/tool/heic-to-png-image): Convert HEIC/HEIF images (iPhone photos) to PNG format entirely in the browser. No upload required — 100% private and free. - [HEIC to SVG Converter](https://top10k.com/tool/heic-to-svg-image): Learn how to convert HEIC images to SVG format with step-by-step instructions for macOS, Windows, and online tools — including why vectorization is required. - [HEIC to TIFF Converter](https://top10k.com/tool/heic-to-tiff-image): Converts HEIC/HEIF images to genuine TIFF format entirely in-browser using heic2any and UTIF.js; no upload required. - [HEIC to WebP Converter](https://top10k.com/tool/heic-to-webp-image): Convert HEIC/HEIF images to WebP format entirely in your browser using the Canvas API. No upload, no server — 100% private. - [ICO to AVIF Converter](https://top10k.com/tool/ico-to-avif-image): Converts an uploaded ICO file to AVIF format entirely in the browser using Canvas API. - [ICO to BMP Converter](https://top10k.com/tool/ico-to-bmp-image): Convert ICO icon files to BMP image format client-side using Canvas API. - [ICO to GIF Converter](https://top10k.com/tool/ico-to-gif-image): Convert an ICO file (favicon or icon) to a GIF image entirely in the browser using the Canvas API. No upload, no server, fully private. - [ICO to HEIC Converter](https://top10k.com/tool/ico-to-heic-image): Explains how to convert ICO image files to HEIC format using GIMP or ImageMagick, with an ICO file inspector that reads metadata client-side. - [ICO to JPG Converter](https://top10k.com/tool/ico-to-jpg-image): Convert the ICO frame decoded by your browser to a JPG image using the Canvas API. Adjust JPEG quality and download instantly — no upload required. - [ICO to PNG Converter](https://top10k.com/tool/ico-to-png-image): Converts an ICO (favicon) file to PNG format entirely in the browser using Canvas, letting users extract individual icon sizes. - [ICO to SVG Converter](https://top10k.com/tool/ico-to-svg-image): Converts ICO (Windows icon) files to SVG format client-side by reading the ICO, drawing each frame to Canvas, and embedding as a base64 PNG inside an SVG wrapper for download. - [ICO to TIFF Converter](https://top10k.com/tool/ico-to-tiff-image): Convert ICO files to genuine TIFF format directly in your browser. The decoded ICO frame is rendered on Canvas and encoded with UTIF.js. No server upload is required. - [ICO to WebP Converter](https://top10k.com/tool/ico-to-webp-image): Converts an ICO file to WebP format entirely in the browser using Canvas API. - [ID Photo Maker](https://top10k.com/tool/id-photo-maker): Crop and resize any uploaded photo to a common ID photo size, swap in a solid background color, and lay out multiple copies on a printable sheet. Runs entirely in your browser. - [Image Blur Tool](https://top10k.com/tool/image-blur-tool): Apply a Gaussian blur effect to any uploaded image entirely in the browser using Canvas, with an adjustable blur radius slider and instant download. - [Image Border Tool](https://top10k.com/tool/image-border-tool): Add a customizable solid color border around any image entirely in-browser using Canvas API. Choose border width, color, and download the result as PNG. - [Image Brightness Tool](https://top10k.com/tool/image-brightness-tool): Adjust the brightness and contrast of a locally uploaded image using the Canvas API. Live preview updates instantly as you drag the sliders, and you can download the result in PNG, JPG, or WebP for… - [Image Color Inverter](https://top10k.com/tool/image-color-inverter): Upload an image and instantly invert its colors to create a negative effect. Choose from three inversion modes: standard RGB inversion, invert plus grayscale, or hue rotation by 180 degrees. All pr… - [Image Color Picker](https://top10k.com/tool/image-color-picker): Upload any image and click on a pixel to instantly pick its color value in HEX, RGB, and HSL formats. - [Image Compressor](https://top10k.com/tool/image-compressor): Client-side image compressor that reduces JPEG, PNG, and WebP file size by adjusting quality via Canvas API, with before/after size comparison and instant download. - [Image Contrast Tool](https://top10k.com/tool/image-contrast-tool): Adjust the contrast of any uploaded image entirely in the browser using Canvas, with a contrast slider and instant PNG download. - [Image Cropper](https://top10k.com/tool/image-cropper): Upload an image, drag a selection rectangle on the canvas preview, set an aspect ratio preset, then crop and download as PNG or JPEG. Fully browser-based — no server upload required. - [Image DPI Changer](https://top10k.com/tool/image-dpi-changer) - [Image Flip](https://top10k.com/tool/image-flip): Flip images horizontally or vertically in your browser. Upload any JPG or PNG, toggle one or both flip directions, preview the result live on a canvas, and download as PNG or JPEG. No server upload… - [Image Flipper](https://top10k.com/tool/image-flipper): Flip any image horizontally (mirror) or vertically in the browser using Canvas, then download the result — no upload needed. - [Image Grayscale Converter](https://top10k.com/tool/image-grayscale-converter): Convert any color image to grayscale entirely in your browser using the Canvas API. Choose from three grayscale methods: Luminosity (perceptually accurate), Average (simple), or Desaturation (HSL-b… - [Image Pixelator](https://top10k.com/tool/image-pixelator): Upload any image and apply a pixelation effect using the Canvas API. Adjust pixel block size with a slider and download the pixelated result. - [Image Placeholder Generator](https://top10k.com/tool/image-placeholder-generator) - [Image Resizer](https://top10k.com/tool/image-resizer): Resize an image to custom pixel dimensions in your browser. Supports aspect-ratio lock, multiple output formats, and quality control. No upload needed. - [Image Rotate & Flip](https://top10k.com/tool/image-rotate): Rotate images by any angle (preset 90/180/270 or custom) and flip horizontally or vertically. Supports JPG, PNG, and WebP. All processing happens in your browser. - [Image Rotator](https://top10k.com/tool/image-rotator): Rotate any image 90°, 180°, or 270° clockwise in the browser using Canvas, then download the result — no upload needed. - [Image to Base64](https://top10k.com/tool/image-to-base64): Convert any image (PNG, JPG, GIF, WebP, SVG) to a base64-encoded data URI for inline embedding in CSS, HTML, or JSON. - [Image Watermark Tool](https://top10k.com/tool/image-watermark): Add text or image watermarks to your photos. Adjust position, opacity, rotation, and font. Batch process multiple images at once. - [Image Watermark Tool](https://top10k.com/tool/image-watermark-tool): Add a text or image watermark to any photo entirely in-browser using the Canvas API. No file is ever uploaded to a server. - [Image to WebP Converter](https://top10k.com/tool/img-webp): Convert JPG and PNG images to WebP format in bulk. Runs entirely in your browser — no server upload. - [Instagram Post Resizer](https://top10k.com/tool/instagram-post-resizer): Upload a photo and crop/resize it to Instagram's exact post dimensions — square, portrait, or landscape — then download it as a JPG or PNG, entirely client-side via Canvas. - [Instagram Story Resizer](https://top10k.com/tool/instagram-story-resizer): Crop and resize any photo to Instagram's Story and Reels size of 1080 x 1920 px, 9:16 vertical, then download it as a JPG or PNG, entirely client-side via Canvas. - [JPG to PNG Converter](https://top10k.com/tool/jpg-png): Convert JPG images to high-quality PNG in bulk. Runs entirely in your browser — no server upload. - [JPG to AVIF Converter](https://top10k.com/tool/jpg-to-avif-image): Converts a JPG/JPEG image to AVIF format client-side using the Canvas API and canvas.toBlob with image/avif, with quality control and file size comparison. - [JPG to BMP Converter](https://top10k.com/tool/jpg-to-bmp-image): Converts JPG/PNG/WebP images to BMP format entirely in the browser using Canvas API and a custom BMP encoder — no upload required. - [JPG to GIF Converter](https://top10k.com/tool/jpg-to-gif-image): Converts JPG and PNG images to GIF format in the browser using gif.js, with width control and download — fully client-side. - [JPG to HEIC Converter](https://top10k.com/tool/jpg-to-heic-image): Converts JPG images to a HEIC-compatible modern format (WebP) client-side, with file size comparison and download. - [JPG to ICO Converter](https://top10k.com/tool/jpg-to-ico-image): Convert a JPG or PNG image to ICO favicon format entirely in your browser using Canvas. Supports 16x16, 32x32, 48x48, and 64x64 sizes in a single .ico file — no upload, no server. - [JPG to PNG Image Converter](https://top10k.com/tool/jpg-to-png-image): Convert JPG/JPEG images to lossless PNG format entirely in the browser using the Canvas API — no upload, no server. - [JPG to SVG Converter](https://top10k.com/tool/jpg-to-svg-image): Convert a JPG image to SVG format by embedding it as a base64 data URI inside an SVG wrapper — entirely in your browser with no upload. - [JPG to TIFF Converter](https://top10k.com/tool/jpg-to-tiff-image): Converts a JPG/JPEG image to TIFF format client-side using the Canvas API and a lightweight TIFF encoder. - [JPG to WebP Converter](https://top10k.com/tool/jpg-to-webp-image): Converts JPG and PNG images to WebP format in your browser using Canvas API, with quality control and before/after file size comparison. - [LinkedIn Banner Resizer](https://top10k.com/tool/linkedin-banner-resizer): Fit a photo into the 1584 x 396 px LinkedIn profile banner frame, reposition it around the profile-photo overlap zone, and download the result as JPG or PNG, entirely client-side via Canvas. - [LinkedIn Profile Photo Resizer](https://top10k.com/tool/linkedin-profile-photo-resizer): Crops and resizes an uploaded photo to LinkedIn's recommended profile picture size (400x400px, square, displayed as a circle) for download. Runs entirely in your browser. - [Meme Generator](https://top10k.com/tool/meme-generator): Upload any image and add bold top and bottom caption text to create a classic meme. Customize font size and download the result as a PNG — no account needed. - [OG Image Resizer](https://top10k.com/tool/og-image-resizer): Resize and reposition any photo to the standard 1200 x 630 Open Graph image size so link previews render correctly on Facebook, X, LinkedIn, Slack, and Discord. Runs entirely in your browser. - [PAN Card Photo Resizer](https://top10k.com/tool/pan-card-photo-resizer): Crop and resize a photo to the Indian PAN card application photo spec for NSDL or UTIITSL, then fit the file to the required KB range, entirely client-side via Canvas. - [Passport Photo Australia](https://top10k.com/tool/passport-photo-australia): Crop and resize an uploaded photo to the Australian passport photo spec (35x45mm, 827x1064px at 600 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Bangladesh](https://top10k.com/tool/passport-photo-bangladesh): Crop and resize an uploaded photo to the Bangladesh e-passport photo spec (35x45mm, 413x531px at 300 DPI, plain white background) with a head-size guide overlay, then download the result. Runs enti… - [Passport Photo Brazil](https://top10k.com/tool/passport-photo-brazil): Crop and resize an uploaded photo to the Brazilian passport photo spec (5x7cm, 591x827px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Canada](https://top10k.com/tool/passport-photo-canada): Crop and resize an uploaded photo to the Canada passport photo spec (50x70mm, 591x827px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo China](https://top10k.com/tool/passport-photo-china): Crop and resize an uploaded photo to the Chinese passport photo spec (33x48mm, 390x567px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo France](https://top10k.com/tool/passport-photo-france): Crop and resize an uploaded photo to the French passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Germany](https://top10k.com/tool/passport-photo-germany): Crop and resize an uploaded photo to the German biometric passport photo spec (35x45mm, 413x531px at 300 DPI) with an ICAO head-size guide overlay, then download the result. Runs entirely in your b… - [Passport Photo India](https://top10k.com/tool/passport-photo-india): Crop and resize a photo to the India passport photo spec — 2x2 inches (51x51mm), 600x600px — with a head-size guide overlay to check crown-to-chin framing. Fully client-side, nothing is uploaded. - [Passport Photo Indonesia](https://top10k.com/tool/passport-photo-indonesia): Crop and resize an uploaded photo to a 4x6cm Indonesia passport-photo layout at 472x709px and 300 DPI, with a white canvas and head-size guide. - [Passport Photo Italy](https://top10k.com/tool/passport-photo-italy): Crop and resize an uploaded photo to the Italian biometric passport/ID photo spec (35x45mm, 413x531px at 300 DPI) with an ICAO head-size guide overlay, then download the result. Runs entirely in yo… - [Passport Photo Japan](https://top10k.com/tool/passport-photo-japan): Crop and resize an uploaded photo to the Japan passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Mexico](https://top10k.com/tool/passport-photo-mexico): Crop and resize an uploaded photo to the Mexico passport photo spec (3.5x4.5cm, 413x531px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Nigeria](https://top10k.com/tool/passport-photo-nigeria): Crop and resize an uploaded photo to the Nigeria passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Pakistan](https://top10k.com/tool/passport-photo-pakistan): Crop and resize an uploaded photo to the Pakistan passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Philippines](https://top10k.com/tool/passport-photo-philippines): Crop and resize a photo to the Philippines passport photo spec — 2x2 inches (51x51mm), 600x600px, white background — with a head-size guide overlay. Fully client-side, nothing is uploaded. - [Passport Photo Russia](https://top10k.com/tool/passport-photo-russia): Crops and resizes an uploaded photo to Russia's 35x45mm passport/ID photo spec (413x531px at 300 DPI) with a live crop guide and a background brightness/uniformity check, then downloads a print-rea… - [Passport Photo South Africa](https://top10k.com/tool/passport-photo-south-africa): Crop and resize an uploaded photo to the South Africa passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo Spain](https://top10k.com/tool/passport-photo-spain): Crops and resizes an uploaded photo to Spain's official DNI/passport photo spec (26x32mm, 307x378px at 300 DPI) with a face-height guide overlay, then downloads a print-ready image. Runs entirely i… - [Passport Photo UK](https://top10k.com/tool/passport-photo-uk): Crop and resize an uploaded photo to the UK passport photo spec (35x45mm, 413x531px at 300 DPI) with a head-height guide overlay, then download the result. Runs entirely in your browser. - [Passport Photo USA](https://top10k.com/tool/passport-photo-usa): Crop and resize an uploaded photo to the US passport photo spec (2x2 inches, 600x600px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Pinterest Pin Resizer](https://top10k.com/tool/pinterest-pin-resizer): Resize and reposition any photo to fit Pinterest's standard Pin frame (1000 x 1500 px, 2:3), with a square 1000 x 1000 option for Idea Pins. Runs entirely in your browser. - [PNG to ICO Converter](https://top10k.com/tool/png-ico): Convert PNG or JPG images to ICO format for use as favicons. Batch processing, runs entirely in your browser. - [PNG to JPG Converter](https://top10k.com/tool/png-jpg): Convert PNG images to JPG in bulk. Transparent areas are filled with white. Runs entirely in your browser. - [PNG to AVIF Converter](https://top10k.com/tool/png-to-avif-image): Converts PNG images to AVIF format client-side using the Canvas API and the browser built-in AVIF encoder, with quality control, file size comparison, and instant download. - [PNG to BMP Converter](https://top10k.com/tool/png-to-bmp-image): Converts a PNG image to BMP format entirely in the browser using Canvas API — no upload required. - [PNG to GIF Converter](https://top10k.com/tool/png-to-gif-image): Converts a PNG image to GIF format entirely in the browser using Canvas API — no upload, no server, instant download. - [PNG to HEIC Converter](https://top10k.com/tool/png-to-heic-image): Convert PNG images to high-quality JPEG in the browser — the practical alternative to HEIC, with a clear explanation of why true HEIC encoding requires platform support or desktop software. - [PNG to ICO Converter](https://top10k.com/tool/png-to-ico-image): Convert a PNG image to a multi-size ICO file entirely in your browser. Supports 16x16, 32x32, 48x48, and 64x64 icon sizes in a single .ico file. - [PNG to JPG Converter](https://top10k.com/tool/png-to-jpg-image): Convert PNG images to JPG format in the browser using Canvas API, with quality slider and file size comparison. - [PNG to SVG Converter](https://top10k.com/tool/png-to-svg-image): Converts a PNG image to an SVG file by embedding it as a base64 data URI inside an SVG wrapper, client-side. - [PNG to TIFF Converter](https://top10k.com/tool/png-to-tiff-image): Convert PNG images to TIFF format in the browser using Canvas API — supports drag-and-drop, preview, and instant download. - [PNG to WebP Converter](https://top10k.com/tool/png-to-webp-image): Converts PNG images to WebP format client-side using Canvas API, with quality slider, file size comparison, and instant download — no upload to server. - [Podcast Cover Resizer](https://top10k.com/tool/podcast-cover-resizer): Crop and resize an image to Apple Podcasts cover art requirements (square, 1400-3000px, RGB JPG or PNG with no transparency) with a live crop preview and one-click download. - [Profile Picture Cropper](https://top10k.com/tool/profile-picture-cropper) - [Image Resizer](https://top10k.com/tool/resize): Resize images in your browser with percentage presets or custom dimensions. No server upload — completely private. - [Schengen Visa Photo](https://top10k.com/tool/schengen-visa-photo): Crop and resize an uploaded photo to the Schengen visa photo spec (35x45mm, 413x531px at 300 DPI) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [Signature Image Resizer](https://top10k.com/tool/signature-image-resizer): Crop and resize a scanned or photographed signature to a bank, exam, or government-form size in pixels or millimeters, clean up the paper background, and download a sized JPEG or transparent PNG, e… - [Spotify Playlist Cover Resizer](https://top10k.com/tool/spotify-playlist-cover-resizer): Crop and resize an image to Spotify's playlist cover requirements (square, minimum 300x300px, JPEG output) with a live crop preview and one-click download. - [SVG to AVIF Converter](https://top10k.com/tool/svg-to-avif-image): Converts SVG files to AVIF format client-side using Canvas API; shows before/after preview and file size comparison. - [SVG to BMP Converter](https://top10k.com/tool/svg-to-bmp-image): Convert an SVG file to a BMP image in your browser. Renders the SVG onto an HTML5 Canvas and exports a standard 24-bit BMP file — no server upload required. - [SVG to GIF Converter](https://top10k.com/tool/svg-to-gif-image): Converts an SVG file to a static GIF image in the browser by rendering the SVG onto a Canvas and encoding it as a GIF using a client-side library. - [SVG to HEIC Preparation Tool](https://top10k.com/tool/svg-to-heic-image): Rasterize SVG images to correctly labeled high-quality JPEG files in your browser, ready for conversion to HEIC with a native encoder. - [SVG to ICO Converter](https://top10k.com/tool/svg-to-ico-image): Converts an SVG file to ICO format client-side by rendering to canvas at multiple sizes (16x16, 32x32, 48x48) and packaging into a downloadable .ico file. - [SVG to JPG Converter](https://top10k.com/tool/svg-to-jpg-image): Converts an uploaded SVG file to a JPG image entirely client-side using Canvas API; lets user set background color (since JPG has no transparency) and quality slider before downloading. - [SVG to PNG Converter](https://top10k.com/tool/svg-to-png-image): Convert an SVG file or pasted SVG markup to a PNG image directly in your browser using Canvas. Configure the output scale or exact pixel dimensions, then download the result instantly. - [SVG to TIFF Converter](https://top10k.com/tool/svg-to-tiff-image): Convert an SVG file or pasted SVG markup to a true uncompressed RGBA TIFF in your browser. Choose scale or exact dimensions and download the TIFF directly. - [SVG to WebP Converter](https://top10k.com/tool/svg-to-webp-image): Convert an SVG file or pasted SVG markup to a WebP image directly in your browser using the Canvas API. No file is sent to any server. - [TIFF to AVIF Converter](https://top10k.com/tool/tiff-to-avif-image): Convert TIFF images to AVIF format entirely in your browser using UTIF.js and native canvas AVIF encoding. No upload, no server — pure client-side conversion with quality control. - [TIFF to BMP Converter](https://top10k.com/tool/tiff-to-bmp-image): Converts a TIFF image file to BMP format entirely in the browser using Canvas. - [TIFF to GIF Converter](https://top10k.com/tool/tiff-to-gif-image) - [TIFF to HEIC Converter](https://top10k.com/tool/tiff-to-heic-image): Explains why HEIC encoding is not supported in browsers and provides a canvas-based TIFF viewer with a download-as-PNG fallback. - [TIFF to ICO Converter](https://top10k.com/tool/tiff-to-ico-image): Converts a TIFF image file to ICO format in the browser using Canvas, producing a downloadable .ico file with multiple icon sizes. - [TIFF to JPG Converter](https://top10k.com/tool/tiff-to-jpg-image): Convert TIFF image files to JPG format client-side using the Canvas API with adjustable quality. No upload, fully private, instant download. - [TIFF to PNG Converter](https://top10k.com/tool/tiff-to-png-image): Convert TIFF images to PNG format entirely in your browser. No upload, no server — uses UTIF.js to decode TIFF files and exports clean PNG files instantly. - [TIFF to SVG Converter](https://top10k.com/tool/tiff-to-svg-image): Convert a TIFF image to an SVG file entirely in the browser. The tool reads your TIFF, renders it to a canvas via UTIF.js, then wraps the pixel data as a base64-encoded PNG inside an SVG envelope —… - [TIFF to WebP Converter](https://top10k.com/tool/tiff-to-webp-image): Converts TIFF images to WebP format entirely in the browser using Canvas API, with quality control slider and download button. - [TikTok Cover Resizer](https://top10k.com/tool/tiktok-cover-resizer): Fit a photo into the 1080 x 1920 px TikTok video cover frame, reposition it with drag and zoom, then download the result as JPG or PNG, entirely client-side via Canvas. - [Twitch Banner Resizer](https://top10k.com/tool/twitch-banner-resizer): Resize and reposition any photo to fit Twitch's official channel banner size (1200 x 480 px), with a center-safe-zone guide so key content survives cropping on different layouts. Runs entirely in y… - [Twitter Header Resizer](https://top10k.com/tool/twitter-header-resizer): Fit a photo into the 1500 x 500 px X (Twitter) header frame, reposition it around the profile-photo overlap zone, and download the result as JPG or PNG, entirely client-side via Canvas. - [US Visa Photo](https://top10k.com/tool/us-visa-photo): Crop and resize an uploaded photo to the US visa photo spec (2x2 inches, 51x51mm, 600x600px) with a head-size guide overlay, then download the result. Runs entirely in your browser. - [WebP to JPG/PNG Converter](https://top10k.com/tool/webp-img): Convert WebP images back to JPG or PNG format in bulk. Runs entirely in your browser — no server upload. - [WebP to AVIF Converter](https://top10k.com/tool/webp-to-avif-image): Convert WebP images to AVIF format entirely in your browser using the Canvas API. Control output quality and compare file sizes instantly — no upload required. - [WebP to BMP Converter](https://top10k.com/tool/webp-to-bmp-image): Converts WebP images to 24-bit BMP format entirely in the browser using Canvas API; no upload required. - [WebP to GIF Converter](https://top10k.com/tool/webp-to-gif-image): Converts a static WebP image to GIF format entirely in the browser using Canvas API and gif.js — no upload, no server. - [WebP to HEIC Converter](https://top10k.com/tool/webp-to-heic-image): Informational guide explaining how to convert WebP images to HEIC format using free desktop and online tools, plus an in-browser WebP quality optimizer. - [WebP to ICO Converter](https://top10k.com/tool/webp-to-ico-image): Convert a WebP image to ICO favicon format (16x16, 32x32, 48x48) entirely in your browser using the Canvas API. No upload, no server — fully private. - [WebP to JPG Converter](https://top10k.com/tool/webp-to-jpg-image): Convert WebP images to JPG format in the browser with quality control, background color fill for transparency, and batch support. - [WebP to PNG Converter](https://top10k.com/tool/webp-to-png-image): Convert WebP images to lossless PNG format entirely in the browser using the Canvas API — no upload, no server. - [WebP to SVG Converter](https://top10k.com/tool/webp-to-svg-image): Informational guide explaining WebP-to-SVG conversion options, format differences, and best tools/methods. - [WebP to TIFF Converter](https://top10k.com/tool/webp-to-tiff-image): Convert a WebP image to TIFF format in the browser using the Canvas API. Downloads as a .tiff file. No upload, no server — fully private. - [WhatsApp DP Resizer](https://top10k.com/tool/whatsapp-dp-resizer): Crops and resizes an uploaded photo to a clean 640x640px square matching WhatsApp's stored display picture size, for PNG download. Runs entirely in your browser. - [YouTube Banner Resizer](https://top10k.com/tool/youtube-banner-resizer): Fit a photo into the 2560 x 1440 px YouTube channel banner frame, reposition it against the 1546 x 423 px safe-area guide, and download the result as JPG or PNG, entirely client-side via Canvas. - [YouTube Thumbnail Resizer](https://top10k.com/tool/youtube-thumbnail-resizer): Crop and resize any photo to YouTube's recommended 1280 x 720 px, 16:9 thumbnail size, then download it as a JPG or PNG, entirely client-side via Canvas. - [Zoom Background Resizer](https://top10k.com/tool/zoom-background-resizer): Crop and resize any photo to fit a Zoom virtual background, with drag-to-reposition and a download at 1920x1080 or 1280x720. ## PDF Tools (72) - [Business Card Generator](https://top10k.com/tool/business-card-generator): Create a standard 3.5x2in business card from a name, title, company, phone, email, and address, pick a layout and color accent, preview it live, and download a print-ready PDF entirely in your brow… - [Cash Receipt Generator](https://top10k.com/tool/cash-receipt-generator): Generate a printable, downloadable cash receipt as a PDF from payer and payee names, amount, date, purpose, and payment method, entirely in your browser. - [Certificate Maker](https://top10k.com/tool/certificate-maker): Create a printable award or completion certificate as a PDF from recipient name, title, date, and a signature line, with a choice of border styles, entirely in your browser. - [Chore Chart Generator](https://top10k.com/tool/chore-chart-generator): Build a printable weekly household chore chart with family member names and a chore assigned to each person for every day of the week, then download it as a PDF. - [Cover Letter Generator](https://top10k.com/tool/cover-letter-generator): Build a job cover letter from a form (your info, recipient, job title, company, and body paragraphs) with a live preview, then export it as a downloadable PDF entirely in your browser. - [CV Maker](https://top10k.com/tool/cv-maker): Build a curriculum vitae from a form (personal details with an optional photo, profile summary, employment history, education, skills, languages, and a references note) with a live preview, then ex… - [Donation Receipt Generator](https://top10k.com/tool/donation-receipt-generator): Generate a printable, downloadable charitable donation receipt as a PDF from donor and organization info, donation amount, date, and description, entirely in your browser. - [Dot Grid Paper Generator](https://top10k.com/tool/dot-grid-paper-generator): Generate a printable dot grid PDF with adjustable dot spacing, paper size, dot color, and dot size, rendered entirely in your browser. - [Envelope Printer](https://top10k.com/tool/envelope-printer): Generate a printable PDF envelope with a return address and recipient address positioned correctly for a chosen standard envelope size (#10, A2, A7), ready to feed into a printer. - [EPUB to PDF Converter](https://top10k.com/tool/epub-to-pdf-ebook): Reads an EPUB file in-browser, extracts its text content chapter by chapter using JSZip, and renders a downloadable PDF using pdf-lib — all client-side with no file upload. - [Excel to EPUB Converter](https://top10k.com/tool/excel-to-epub-doc): Parse and preview an Excel (.xlsx/.xls/.csv) spreadsheet in the browser using SheetJS, then export the formatted table data as an EPUB-ready HTML document. Includes a practical guide on converting … - [Excel to JPG Converter](https://top10k.com/tool/excel-to-jpg-doc): Convert Excel spreadsheets (.xlsx, .xls, .csv) to JPG images client-side using SheetJS and the HTML5 Canvas API. No server upload — fully private. - [Excel to PDF Converter](https://top10k.com/tool/excel-to-pdf-doc): Converts Excel (.xlsx/.xls/.csv) spreadsheet files to a printable PDF document client-side using SheetJS and pdf-lib. - [Excel to PNG Converter](https://top10k.com/tool/excel-to-png-doc): Converts Excel (.xlsx/.xls) spreadsheet data to a PNG image by rendering it on an HTML5 Canvas in the browser. - [Excel to PowerPoint Converter](https://top10k.com/tool/excel-to-powerpoint-doc): Guide and CSV-to-table formatter to help users convert Excel spreadsheet data into PowerPoint-ready tables and charts. - [Excel to Word Converter](https://top10k.com/tool/excel-to-word-doc): Reads an Excel (.xlsx) file client-side, renders the spreadsheet data in a table, and lets users download a Word (.docx) document containing that table — all in the browser with no server upload. - [Gift Certificate Generator](https://top10k.com/tool/gift-certificate-generator): Create a printable gift certificate as a PDF with recipient and sender names, a dollar amount or custom value, and an occasion style, entirely in your browser. - [Graph Paper Generator](https://top10k.com/tool/graph-paper-generator): Generate a printable graph paper PDF with a chosen grid spacing (inch or millimeter), paper size, line color, and line weight, entirely in your browser. - [Habit Tracker Printable](https://top10k.com/tool/habit-tracker-printable): Generate a printable PDF monthly habit tracker with a grid of habits against every day of the month, ready to print and check off by hand. - [Isometric Paper Generator](https://top10k.com/tool/isometric-paper-generator): Generate a printable isometric dot or isometric grid PDF with adjustable spacing, paper size, color, and line or dot weight, rendered entirely in your browser. - [Label Sheet Generator](https://top10k.com/tool/label-sheet-generator): Generate a printable PDF of address or shipping labels laid out on a standard Avery-style label sheet from a list of entries, entirely in your browser. - [Lined Paper Generator](https://top10k.com/tool/lined-paper-generator): Generate a printable PDF of lined (ruled) notebook paper with adjustable line spacing, margin, and paper size, rendered entirely in your browser. - [Meal Planner Printable](https://top10k.com/tool/meal-planner-printable): Build a printable weekly meal plan with a breakfast, lunch, and dinner grid. Type in your meals and download a ready-to-print PDF. - [Monthly Planner Generator](https://top10k.com/tool/monthly-planner-generator): Generate a printable PDF monthly planner for any month and year, with a calendar grid on top and a lined notes area below, ready to print at home. - [Music Staff Paper Generator](https://top10k.com/tool/music-staff-paper-generator): Generate a printable blank music staff paper (manuscript paper) PDF with configurable staves per page and staff line spacing, rendered entirely in your browser. - [Name Tag Generator](https://top10k.com/tool/name-tag-generator): Create printable name tags for an event: enter a list of names with optional titles or companies, pick a tag size, and download a print-ready PDF sheet with multiple tags per page. - [Packing Slip Generator](https://top10k.com/tool/packing-slip-generator): Generate a printable, downloadable packing slip as a PDF from shipper and recipient info, order details, and a line-item table of shipped products, entirely in your browser. Shows what is in the bo… - [PDF Bookmark Editor](https://top10k.com/tool/pdf-bookmark-editor): Upload a PDF, view its existing bookmarks (outline), add or remove bookmark entries, and download the modified PDF — all client-side using pdf-lib. - [PDF Compressor](https://top10k.com/tool/pdf-compress): Reduce PDF file size locally with qpdf WebAssembly by optimizing eligible images, streams, and object structure. Results depend on document content. - [PDF Crop Tool](https://top10k.com/tool/pdf-crop): Crop PDF pages by specifying top, bottom, left, and right margins to remove unwanted whitespace or borders. Runs entirely in your browser using pdf-lib — no upload required. - [PDF Flatten](https://top10k.com/tool/pdf-flatten): Flatten PDF form fields into static content using pdf-lib so completed fields can no longer be edited. - [PDF Form Filler](https://top10k.com/tool/pdf-form-filler): Upload a PDF with fillable form fields, fill in all fields in your browser, then download the completed PDF — fully client-side using pdf-lib. - [PDF Image Extractor](https://top10k.com/tool/pdf-image-extractor): Extracts and displays all images embedded in a PDF file using pdf.js, allowing individual download. - [PDF Merge](https://top10k.com/tool/pdf-merge): Merge multiple PDF files into one document. Reorder files by drag-and-drop. Runs 100% in your browser — no server upload. - [PDF Metadata Editor](https://top10k.com/tool/pdf-metadata-editor): Upload a PDF to read and edit its metadata fields (Title, Author, Subject, Keywords, Creator) then download the updated file — all client-side using pdf-lib. - [PDF Page Delete](https://top10k.com/tool/pdf-page-delete): Removes specific pages from a PDF file entirely in the browser using pdf-lib. No upload required — runs 100% client-side. - [PDF Page Extractor](https://top10k.com/tool/pdf-page-extract): Extract specific pages from a PDF file in the browser using pdf-lib. Supports individual page selection and page ranges. No upload required — runs entirely client-side. - [PDF Page Numbers](https://top10k.com/tool/pdf-page-numbers): Add page numbers to every page of a PDF file client-side using pdf-lib. Configure position, font size, starting number, and number format. No upload — runs entirely in your browser. - [PDF Page Reorder](https://top10k.com/tool/pdf-page-reorder): Reorder pages in a PDF file by entering a custom page order (e.g. "3,1,2,4") and download the rearranged PDF — fully client-side using pdf-lib. - [PDF Password Protect](https://top10k.com/tool/pdf-password-protect): Add AES-256 password protection to a PDF entirely in your browser using qpdf WebAssembly — set an open password and optional permission restrictions, then download the encrypted copy. - [PDF Page Rotator](https://top10k.com/tool/pdf-rotate): Rotate individual pages or all pages of a PDF by 90, 180, or 270 degrees. Useful for fixing scanned documents and orientation issues. - [PDF Split](https://top10k.com/tool/pdf-split): Split a PDF into individual pages or custom page ranges. Downloads as a ZIP. Runs 100% in your browser. - [PDF Text Extractor](https://top10k.com/tool/pdf-text-extractor): Extracts all text content from a PDF file client-side using PDF.js, with page-by-page display and copy/download options. - [PDF to EPUB Converter](https://top10k.com/tool/pdf-to-epub-doc): Converts PDF documents to EPUB ebook format by extracting text content and packaging it as a valid EPUB 3 file for e-readers. - [PDF to Excel Converter](https://top10k.com/tool/pdf-to-excel-doc): Extracts text content from a PDF file client-side and exports it as a downloadable Excel (.xlsx) spreadsheet. Each PDF page becomes a separate sheet. - [PDF to Grayscale Converter](https://top10k.com/tool/pdf-to-grayscale): Convert any PDF to grayscale entirely in your browser. Each page is rendered to a canvas via PDF.js, converted to grayscale using luminance weighting, then re-assembled into a downloadable PDF with… - [PDF to HTML Converter](https://top10k.com/tool/pdf-to-html-doc): Client-side PDF to HTML converter using pdf.js to extract text and structure from a PDF and render it as styled HTML. - [PDF to JPG Converter](https://top10k.com/tool/pdf-to-jpg-doc): Convert PDF pages to JPG images directly in the browser using PDF.js, with quality and DPI controls. No upload, no server, 100% private. - [PDF to Markdown Converter](https://top10k.com/tool/pdf-to-markdown-doc): Extracts text from an uploaded PDF file using pdf.js and converts it to structured Markdown format with heading detection, list detection, and per-page breaks — all client-side with copy and downlo… - [PDF to PNG Converter](https://top10k.com/tool/pdf-to-png-doc): Converts each page of a PDF file to a downloadable PNG image using pdf.js in-browser rendering. No upload, no server, 100% private. - [PDF to PowerPoint Converter](https://top10k.com/tool/pdf-to-powerpoint-doc): Extracts text content from a PDF file (via pdf.js) and packages each page's text into a downloadable .pptx presentation using PptxGenJS. Runs entirely in your browser — no upload, no server. - [PDF to TXT Converter](https://top10k.com/tool/pdf-to-txt-doc): Converts a PDF file to a plain-text .txt document in the browser using PDF.js. No server upload required — your file stays on your device. - [PDF to Word](https://top10k.com/tool/pdf-to-word): Extract text from a PDF and export it as a DOCX Word document. Runs 100% in your browser — no server upload. - [PDF to Word Doc Converter](https://top10k.com/tool/pdf-to-word-doc): Extract text from a PDF file and download it as a .txt file ready for pasting into Word or any word processor. Runs entirely in your browser — no upload, no server. - [PDF Unlock](https://top10k.com/tool/pdf-unlock): Remove password protection from a PDF locally with qpdf WebAssembly; supply the current password and download a decrypted copy. - [PDF Watermark](https://top10k.com/tool/pdf-watermark): Add a diagonal text watermark to every page of a PDF. Customize opacity, font size, color, and text. Runs entirely in your browser — no upload required. - [Place Card Generator](https://top10k.com/tool/place-card-generator): Create printable place cards for an event: type a list of guest names, one per line, and download a print-ready PDF of fold-in-half tent cards with large centered text. - [Printable Calendar Generator](https://top10k.com/tool/printable-calendar-generator): Generate a printable PDF monthly calendar for any month and year, with a clean grid layout, choice of week-start day, paper size, and orientation. - [Printable Flashcard Maker](https://top10k.com/tool/printable-flashcard-maker): Turn a list of term and definition pairs into a printable, cuttable PDF of double-sided flashcards, built and downloaded entirely in your browser. - [Printable To-Do List](https://top10k.com/tool/printable-todo-list): Generate a printable to-do list PDF with checkboxes, an optional title and date field, and an adjustable number of items, ready to download and print. - [Receipt Generator](https://top10k.com/tool/receipt-generator): Generate a printable, downloadable receipt as a PDF from business and customer info, line items with quantity and price, and a tax rate, entirely in your browser. - [Rent Receipt Generator](https://top10k.com/tool/rent-receipt-generator): Generate a printable, downloadable rent receipt as a PDF from landlord and tenant info, rental period, rent amount, and payment method, entirely in your browser. - [Resume Builder](https://top10k.com/tool/resume-builder): Build a resume from a form (contact info, summary, work experience, education, skills) with a live preview, then export it as a downloadable PDF entirely in your browser. - [Weekly Planner Generator](https://top10k.com/tool/weekly-planner-generator): Generate a printable PDF weekly planner with a Mon-Sun grid, hourly or free-form slots, a custom start date, and a priorities and notes section. - [Word to EPUB Converter](https://top10k.com/tool/word-to-epub-doc) - [Word to Excel Converter](https://top10k.com/tool/word-to-excel-doc): Explains how to convert Word (.docx) tables and data to Excel (.xlsx) format, with step-by-step instructions and a paste-to-table helper for manual data migration. - [Word to HTML Converter](https://top10k.com/tool/word-to-html-doc): Converts a pasted Word-style document (rich text or plain text) to clean HTML markup in-browser. No upload needed — paste and convert instantly. - [Word to JPG Converter](https://top10k.com/tool/word-to-jpg-doc): Convert Word document text to a downloadable JPG image using an HTML5 Canvas renderer. Paste document content, choose font and layout options, and download the result as a JPG — fully client-side, … - [Word to PDF Converter](https://top10k.com/tool/word-to-pdf-doc): Informational guide explaining multiple methods to convert Word (.docx) files to PDF: Microsoft Word built-in Save As PDF, LibreOffice, Google Docs upload, and online tools; includes comparison tab… - [Word to PNG Converter](https://top10k.com/tool/word-to-png-doc): Convert Word document text to a downloadable PNG image using an HTML5 Canvas renderer. Paste document content, choose font and layout options, and download a high-quality transparent or opaque PNG … - [Word to PowerPoint Converter](https://top10k.com/tool/word-to-powerpoint-doc): Step-by-step guide for converting Word (.docx) documents to PowerPoint (.pptx) format using free tools and online converters. - [Word to TXT Converter](https://top10k.com/tool/word-to-txt-doc): Extracts plain text from a .docx file entirely in the browser using JSZip to unzip the docx and parse the XML word/document.xml ## Developer Tools (345) - [ADLER32 Hash Generator](https://top10k.com/tool/adler32-hash-generator): Generates an Adler-32 checksum for any input string, computed entirely in the browser. - [AES Key Strength Analyzer](https://top10k.com/tool/aes-key-strength): Evaluates AES key strength by checking key length (128/192/256-bit), entropy, and common weaknesses in hex or base64 key material. - [API Key Generator](https://top10k.com/tool/api-key-generator): Generate cryptographically secure API keys of configurable length and format (hex, base64, alphanumeric, UUID-style) using the WebCrypto API directly in your browser. - [App Icon Sizes Reference](https://top10k.com/tool/app-icon-size-reference): Lists all required icon sizes for iOS, Android, and PWA manifests in a filterable reference table. - [ASCII Code Lookup](https://top10k.com/tool/ascii-code-lookup): Type a character to see its decimal, hex, octal, and binary ASCII code, or type a code to see the matching character, plus a full printable ASCII table (32-126) with copy buttons. - [ASCII Table Renderer](https://top10k.com/tool/ascii-table-renderer): Enter rows and columns in a simple editor and render them as a formatted ASCII or Unicode box-drawing table with one-click copy-to-clipboard. - [ASCII to Binary Converter](https://top10k.com/tool/ascii-to-binary) - [ASCII to Hex Converter](https://top10k.com/tool/ascii-to-hex): Converts plain ASCII text to hexadecimal representation; each character is converted to its two-digit hex code. Also supports spaces between hex values and uppercase/lowercase output options. - [Barcode Generator](https://top10k.com/tool/barcode-generator): Generate Code128 barcodes from any text or numbers instantly in your browser. Download the barcode as a PNG image with one click. - [Any Base to Decimal Converter](https://top10k.com/tool/base-to-decimal): Converts a number from any radix (base 2 to 36) into its decimal (base 10) equivalent. Supports binary, octal, hexadecimal, and any custom base. - [Base32 Decoder](https://top10k.com/tool/base32-decode) - [Base32 Decoder](https://top10k.com/tool/base32-decoder): Decodes Base32-encoded strings (RFC 4648) back to plain text, showing UTF-8 and hex output. - [Base32 Encoder](https://top10k.com/tool/base32-encode): Encode any text to the standard Base32 alphabet (RFC 4648) with optional padding. - [Base32 Encoder / Decoder](https://top10k.com/tool/base32-encoder): Encode text or binary data to standard Base32 (RFC 4648) and decode Base32 strings back to text. - [Base58 Decoder](https://top10k.com/tool/base58-decode): Decodes Bitcoin-style Base58 strings back to UTF-8 text or hex bytes. - [Base58 Decoder](https://top10k.com/tool/base58-decoder): Decodes a Base58-encoded string (Bitcoin alphabet) back to plain text or hex. - [Base58 Encoder](https://top10k.com/tool/base58-encode): Encodes text or hex bytes in Bitcoin-style Base58 alphabet (no 0/O/I/l). - [Base58 Encoder](https://top10k.com/tool/base58-encoder): Encodes plain text or hex input to Base58 (Bitcoin alphabet) and decodes Base58 back to text or hex. Pure client-side, nothing is sent to a server. - [Base64 Decoder](https://top10k.com/tool/base64-decoder): Decodes Base64-encoded strings back to plain text, with encode/decode toggle - [Base64 Encoder / Decoder](https://top10k.com/tool/base64-encoder): Encodes text or data to Base64 and decodes Base64 strings back to plain text, with standard and URL-safe variants and Unicode support. - [Base64 Image Encoder](https://top10k.com/tool/base64-image-encoder): Encodes an image file to Base64 string directly in the browser for embedding in HTML/CSS. - [Base64 to Hex Converter](https://top10k.com/tool/base64-to-hex): Converts Base64 encoded data back to hexadecimal byte representation. Useful for inspecting raw byte values of encoded binary data. - [Base85 Decoder](https://top10k.com/tool/base85-decoder): Decodes ASCII85 / Base85 encoded text back to the original string in the browser. Supports Adobe ASCII85 and RFC 1924 variants. - [Base85 Encoder](https://top10k.com/tool/base85-encoder): Encode and decode text using Base85 (ASCII85) encoding. Supports both Adobe ASCII85 and RFC 1924 (Git/ZeroMQ) variants. - [Base91 Decoder](https://top10k.com/tool/base91-decoder): Decodes Base91-encoded text back to its original plain text or binary data entirely in your browser. - [Base91 Encoder](https://top10k.com/tool/base91-encoder) - [BCD Converter](https://top10k.com/tool/bcd-converter): Converts between decimal numbers and Binary-Coded Decimal (BCD) representation, supporting both 8421 standard BCD and excess-3 encoding. - [Bearer Token / JWT Quick Decoder](https://top10k.com/tool/bearer-token-decoder): Paste a Bearer token or JWT and instantly decode the header and payload sections without any verification. - [Big-O Complexity Explainer](https://top10k.com/tool/big-o-complexity-explainer): Interactive reference and visualizer for Big-O time complexity notations with Chart.js growth curves and per-n operation count table. - [Binary Decoder](https://top10k.com/tool/binary-decoder): Decodes binary (base-2) strings to text, decimal, hex, or octal output. Supports space-separated bytes, continuous streams, and multi-byte UTF-8 characters. - [Binary Encoder](https://top10k.com/tool/binary-encoder) - [Binary to ASCII Converter](https://top10k.com/tool/binary-to-ascii): Convert binary code (space-separated 8-bit groups) to ASCII text characters instantly in your browser. - [Binary to Hex Converter](https://top10k.com/tool/binary-to-hex): Converts binary bit strings into their hexadecimal byte representation. Supports space-separated bytes, continuous bit strings, and outputs uppercase or lowercase hex. - [Bit Shift Calculator](https://top10k.com/tool/bit-shift-calculator): Performs left and right bit shift operations on integers with binary, hex, and decimal display. - [BLAKE2b Hash Generator](https://top10k.com/tool/blake2b-hash-generator): Generates a BLAKE2b cryptographic hash of any text input with configurable output length (128/256/384/512 bits), fully client-side using a pure-JS implementation. - [Border Radius Generator](https://top10k.com/tool/border-radius-generator): Visual CSS border-radius generator with live preview and individual corner controls, outputting ready-to-copy CSS. - [Box Shadow Generator](https://top10k.com/tool/box-shadow-generator): Visual CSS box-shadow generator with live preview, allowing control over offset, blur, spread, color, and inset options. - [Branch Naming Convention Checker](https://top10k.com/tool/branch-naming-convention-checker): Validates a Git branch name against configurable naming patterns (feature/, bugfix/, hotfix/, release/ prefixes) and shows pass/fail with specific violation details. - [Byte Order Mark (BOM) Detector](https://top10k.com/tool/byte-order-mark-detector): Paste or type text to detect and optionally strip the UTF-8/UTF-16/UTF-32 Byte Order Mark, showing the BOM bytes in hex. - [Cargo.toml Generator](https://top10k.com/tool/cargo-toml-generator): Generate a ready-to-copy Cargo.toml for Rust projects. Fill in package name, version, edition, authors, dependencies, and optional features — output is instant and client-side only. - [Changelog Entry Formatter](https://top10k.com/tool/changelog-entry-formatter): Format a release entry per the Keep a Changelog spec. Fill in the version, date, and changed sections; the tool outputs ready-to-paste Markdown. - [Checksum Calculator](https://top10k.com/tool/checksum-calculator): Computes MD5, SHA-1, SHA-256, SHA-512, and CRC-32 checksums for UTF-8 text, raw hexadecimal byte streams, or local files up to 256 MB directly in your browser. - [Chmod Calculator](https://top10k.com/tool/chmod-calculator): Convert Unix file permission checkboxes into the numeric chmod value (e.g. 755) and symbolic string (e.g. rwxr-xr-x), or type a numeric value to see the matching checkboxes. - [Chmod Symbolic Converter](https://top10k.com/tool/chmod-symbolic-converter): Convert chmod permissions bidirectionally between octal notation (755) and symbolic notation (rwxr-xr-x), including setuid, setgid, and sticky bit support, with synced checkboxes and a ready-to-cop… - [CIDR Calculator](https://top10k.com/tool/cidr-calculator): Parses CIDR notation (e.g. 192.168.1.0/24) and returns network address, broadcast, subnet mask, host range, and total usable hosts. - [CIDR to IP Range](https://top10k.com/tool/cidr-to-ip-range): Converts a CIDR notation block (e.g. 192.168.1.0/24) to its full IP range, subnet mask, broadcast address, and usable host count. - [CIDR to IP Range Converter](https://top10k.com/tool/cidr-to-range): Expands a CIDR block (e.g. 192.168.1.0/24) to its full start and end IP address range, host count, and netmask. - [Class Weight Calculator](https://top10k.com/tool/class-weight-calculator): Calculates balanced class weights for imbalanced datasets in machine learning (scikit-learn style), given class labels and sample counts. - [Color Code Converter](https://top10k.com/tool/color-code-converter): Converts color codes between HEX, RGB, HSL, and HSB formats with a live color preview swatch. - [Column Aligner](https://top10k.com/tool/column-aligner): Aligns delimited text (CSV, TSV, space-separated) into evenly-spaced columns for readable output. - [Composer JSON Generator](https://top10k.com/tool/composer-json-generator): Generate a composer.json for PHP projects with configurable package name, description, PHP version constraint, require dependencies, autoloading (PSR-4), and scripts. - [Config Template Variable Replacer](https://top10k.com/tool/config-file-template-filler): Paste a config file template containing {{variable}} placeholders, fill in values, and get the fully substituted config output instantly — all in the browser. - [Connection Pool Sizing Calculator](https://top10k.com/tool/connection-pool-sizing) - [Conventional Commit Builder](https://top10k.com/tool/conventional-commit-builder): Build a properly formatted Conventional Commits message from type, scope, description, body, breaking change, and issue reference fields. Live preview updates as you type. - [CRC Calculator](https://top10k.com/tool/crc-calculator): Calculate CRC checksums (CRC-8, CRC-16, CRC-32) for text or hex input, showing the checksum in hex, decimal, and binary formats. - [CRC32 Hash Generator](https://top10k.com/tool/crc32-hash-generator): Generate CRC32 checksums from any text string in your browser. Outputs both hexadecimal and decimal (unsigned) representations instantly, with no data ever leaving your device. - [Cron Expression Explainer](https://top10k.com/tool/cron-expression-explainer): Parse any standard 5-field or 6-field (with seconds) cron expression into plain English, preview the next 10 scheduled run times in your local timezone, and see a visual grid of which minutes, hour… - [Cron Expression Generator](https://top10k.com/tool/cron-expression-generator): Generates cron expressions using a visual builder with selectors for minute, hour, day, month, and weekday fields, and shows a human-readable description plus next run times. - [Crontab Parser](https://top10k.com/tool/crontab-parser): Paste a full crontab file or a single cron expression to get a human-readable explanation of every line, including next run times in your local timezone. - [Crontab to English](https://top10k.com/tool/crontab-to-english): Parse a standard 5-field cron expression and get a plain-English description of the schedule, plus the next upcoming run times. - [Crontab Syntax Validator](https://top10k.com/tool/crontab-validator): Validates crontab expressions and explains each field (minute, hour, day, month, weekday) in plain English. - [Cross-Entropy Loss Calculator](https://top10k.com/tool/cross-entropy-calculator) - [CSS Border Radius Generator](https://top10k.com/tool/css-border-radius): Visual generator for the CSS border-radius property. Adjust each of the four corners independently via sliders in px or %. A live preview box shows the result instantly. - [CSS Box Shadow Generator](https://top10k.com/tool/css-box-shadow): Visual generator for the CSS box-shadow property. Adjust horizontal offset, vertical offset, blur radius, spread radius, color with alpha, and inset toggle. Supports multiple shadows with a live pr… - [CSS Clamp Generator](https://top10k.com/tool/css-clamp-generator): Generate responsive font sizes and spacing with CSS clamp() — linear interpolation between min and max values across viewport widths. - [CSS color-mix() Builder](https://top10k.com/tool/css-color-mix-builder): Generate CSS color-mix() function calls for modern CSS color blending. Pick two colors, choose a color space, adjust the mix percentage, and copy the ready-to-use CSS snippet. - [CSS Custom Property Inspector](https://top10k.com/tool/css-custom-property-inspector): Paste any CSS stylesheet and instantly see every --custom-property declaration with its value and selector context — sorted alphabetically. - [CSS Filter Generator](https://top10k.com/tool/css-filter-generator): Generate CSS filter() values for blur, brightness, contrast, grayscale, hue-rotate, invert, opacity, saturate, and sepia with sliders and a live image preview. - [CSS Flexbox Playground](https://top10k.com/tool/css-flexbox-playground): Interactive flexbox editor with dropdown controls for all flex container and item properties, live preview, and copyable CSS output. - [CSS Formatter / Beautifier](https://top10k.com/tool/css-formatter): Format minified CSS into clean, readable code with proper indentation and consistent style. Reverse of CSS minification. - [CSS Grid Playground](https://top10k.com/tool/css-grid-playground): Interactive CSS grid editor with controls for grid-template-columns, grid-template-rows, gap, and item placement, with live preview and copyable CSS output. - [CSS Media Query Builder](https://top10k.com/tool/css-media-query-builder): Build CSS @media query rules from viewport breakpoint inputs with min-width, max-width, and orientation options, plus a live preview of the generated rule. - [CSS Minifier](https://top10k.com/tool/css-min): Minify or beautify CSS stylesheets with options to remove comments, shorten hex colors, and remove trailing semicolons. Shows compression ratio. - [CSS Reset Generator](https://top10k.com/tool/css-reset-generator): Generate a customizable CSS reset stylesheet with options for minimal, normalize, or opinionated resets. Preview and copy the output instantly. - [CSS Scroll Snap Builder](https://top10k.com/tool/css-scroll-snap-builder): Interactively configure scroll-snap-type and scroll-snap-align CSS properties with a live scrollable preview and copyable generated CSS. - [CSV to INI Converter](https://top10k.com/tool/csv-to-ini): Converts CSV data to INI format, using the first column as section names and header row as keys. - [CSV to JSON Converter](https://top10k.com/tool/csv-to-json): Pure client-side CSV to JSON converter. Paste or upload a CSV, pick delimiter and options, and get formatted JSON output instantly. - [CSV to SQL INSERT Converter](https://top10k.com/tool/csv-to-sql-insert): Converts CSV data to SQL INSERT statements with configurable table name, dialect (MySQL/PostgreSQL/SQLite), and batch size. - [CSV to TOML Converter](https://top10k.com/tool/csv-to-toml): Convert CSV tabular data to TOML array-of-tables format instantly in your browser. Paste your CSV, preview the TOML output, and copy it with one click. - [CSV to XML Converter](https://top10k.com/tool/csv-to-xml): Converts CSV data to a well-formed XML document with configurable root, row, and field element names. - [CUID Generator](https://top10k.com/tool/cuid-generator): Generate collision-resistant CUID2 identifiers in your browser. Pick how many to create, then copy one or all at once. - [cURL Command Builder](https://top10k.com/tool/curl-command-builder): Build a curl command from a method, URL, query params, headers, and body — no memorizing flags. - [cURL to C#](https://top10k.com/tool/curl-to-csharp): Convert a pasted curl command into equivalent C# code using HttpClient, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to Go](https://top10k.com/tool/curl-to-go): Convert a pasted curl command into equivalent Go code using net/http, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to Java](https://top10k.com/tool/curl-to-java): Convert a pasted curl command into equivalent Java code using the built-in java.net.http.HttpClient, translating headers, JSON body, cookies, basic auth, and multipart form data. - [cURL to JavaScript](https://top10k.com/tool/curl-to-javascript): Convert a pasted curl command into equivalent JavaScript fetch() code, including headers, method, request body, and basic auth. - [cURL to Node.js](https://top10k.com/tool/curl-to-nodejs): Convert a pasted curl command into equivalent Node.js code using the built-in fetch API, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to PHP](https://top10k.com/tool/curl-to-php): Convert a pasted curl command into equivalent PHP cURL code, translating the method, headers, JSON or form body, cookies, and basic auth. - [cURL to Python](https://top10k.com/tool/curl-to-python): Convert a pasted curl command into equivalent Python requests code, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to Ruby](https://top10k.com/tool/curl-to-ruby): Convert a pasted curl command into equivalent Ruby code using Net::HTTP, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to Rust](https://top10k.com/tool/curl-to-rust): Convert a pasted curl command into equivalent Rust code using the reqwest crate, translating headers, JSON body, cookies, auth, and multipart form data. - [cURL to Swift](https://top10k.com/tool/curl-to-swift): Convert a pasted curl command into equivalent Swift URLSession networking code, translating headers, JSON body, cookies, auth, and multipart form data. - [Database Index Size Estimator](https://top10k.com/tool/database-index-size): Estimates the storage size of a database index based on column type, row count, and index type for PostgreSQL, MySQL, and SQL Server. - [Date Format Converter](https://top10k.com/tool/date-format-converter): Converts dates between common formats: ISO 8601, RFC 2822, Unix timestamp, US, EU, and custom patterns. - [Decimal to Any Base Converter](https://top10k.com/tool/decimal-to-base): Converts a decimal integer to any radix from base 2 to base 36 with optional digit grouping. - [Device Pixel Ratio (DPR) Calculator](https://top10k.com/tool/device-pixel-ratio-calculator): Calculates physical pixels vs CSS pixels for HiDPI/Retina screens given a DPR and logical resolution, plus auto-detects the current browser DPR. - [Diff Checker](https://top10k.com/tool/diff-checker) - [DNS Propagation Checker](https://top10k.com/tool/dns): Check DNS record propagation across Google, Cloudflare, Quad9, OpenDNS, Verisign, and a local server. Supports A, AAAA, MX, TXT, NS, CNAME, and SOA records. - [Docker Compose Validator](https://top10k.com/tool/docker-compose-validator): Validate a docker-compose.yml file in your browser. Catches YAML syntax errors with line numbers and structural mistakes such as a missing services key or a service with no image or build. - [Dockerfile Generator](https://top10k.com/tool/dockerfile-generator): Generate a Dockerfile for common application stacks — Node.js, Python, Go, PHP, Java — with configurable base image, port, build commands, and environment variables. - [Dockerignore Generator](https://top10k.com/tool/dockerignore-generator): Generate a .dockerignore file by checking the stacks and file types your project uses (Node.js, Python, Java, Git, IDE files, build artifacts, secrets) with a live preview and one-click copy or dow… - [.env to YAML Converter](https://top10k.com/tool/dotenv-to-yaml): Paste the contents of a .env file and instantly convert it to YAML format. Handles comments, blank lines, and quoted values. - [Downtime From SLA Calculator](https://top10k.com/tool/downtime-from-sla): Converts an SLA uptime percentage (e.g. 99.9%) into allowed downtime per day, week, month, and year. - [EC2 Instance Cost Calculator](https://top10k.com/tool/ec2-instance-cost): Estimates monthly AWS EC2 instance costs from a built-in pricing table covering common instance types and regions. - [EditorConfig Generator](https://top10k.com/tool/editorconfig-generator): Build a .editorconfig file by picking indent style, indent size, line endings, charset, and whitespace rules per file pattern, then copy or download it. - [HTML Entity Decoder (Extended)](https://top10k.com/tool/entity-decode): Decodes named and numeric HTML entities back to their original Unicode characters. Handles &amp;, &lt;, &gt;, decimal &#160;, hex &#xA0;, and all named entities. - [HTML Entity Encoder (Extended)](https://top10k.com/tool/entity-encode): Converts every non-ASCII character to a numeric HTML entity reference for safe HTML embedding. - [Shannon Entropy Calculator](https://top10k.com/tool/entropy-shannon-calculator): Computes Shannon entropy (bits) of a text string or probability distribution, showing symbol frequency table and information content per symbol. - [.env to JSON Converter](https://top10k.com/tool/env-to-json): Paste the contents of a .env file and instantly convert it to a JSON object. Handles comments, blank lines, quoted values, and multiline edge cases. - [Environment Variable Diff](https://top10k.com/tool/environment-diff): Compare two .env files side-by-side and instantly see added, removed, and changed variables highlighted by type. - [Epoch to Human-Readable Converter](https://top10k.com/tool/epoch-to-human): Converts Unix epoch timestamps (seconds or milliseconds) to human-readable local and UTC date/time strings instantly in your browser. - [Error Budget Calculator](https://top10k.com/tool/error-budget-calculator) - [ESLint Config Generator](https://top10k.com/tool/eslint-config-generator) - [FFT Bin Resolution Calculator](https://top10k.com/tool/fft-bin-resolution): Calculates FFT frequency bin resolution (Hz per bin) from sample rate and FFT size, and lists the center frequency of every bin. - [File Checksum Verifier](https://top10k.com/tool/file-checksum): Compute MD5, SHA-1, SHA-256, and SHA-512 checksums of any file directly in your browser using the WebCrypto API. The file never leaves your device. Optionally paste an expected hash to verify integ… - [Floating Point Converter](https://top10k.com/tool/floating-point-converter): Converts decimal numbers to IEEE 754 single (32-bit) and double (64-bit) floating-point binary representation, showing sign, exponent, and mantissa bits. - [Git Alias Cheatsheet Generator](https://top10k.com/tool/git-alias-cheatsheet): Generates a custom .gitconfig [alias] block from a selection of popular Git shortcuts, ready to copy-paste into your global or local Git configuration. - [Git Alias Generator](https://top10k.com/tool/git-alias-generator): Pick common git commands from a checklist or type your own, then get ready-to-run git config commands and a paste-ready [alias] block for .gitconfig. - [Git Merge Conflict Explainer](https://top10k.com/tool/git-conflict-resolver-guide): Explains git merge conflict markers (<<<<<<, =======, >>>>>>>) with interactive examples showing how to resolve conflicts for different strategies. - [Git Hooks Reference Library](https://top10k.com/tool/git-hooks-library): A browsable reference library of ready-to-use Git hook scripts — pre-commit, commit-msg, and pre-push — with copy-ready bash code and plain-English descriptions. - [Gitattributes Generator](https://top10k.com/tool/gitattributes-generator): Build a .gitattributes file by picking language and framework presets, line-ending normalization, binary file handling, and diff/merge rules, then copy or download it. - [GitHub Actions Status Badge Generator](https://top10k.com/tool/github-actions-badge-generator): Generates markdown and HTML badge URLs for GitHub Actions workflow status badges. - [.gitignore Combiner](https://top10k.com/tool/gitignore-combiner): Merge multiple language and framework .gitignore templates into one deduplicated, sorted file with clear section headers. Select from Node.js, Python, Java, Go, PHP, macOS, VS Code, JetBrains, Dock… - [Go Mod File Parser](https://top10k.com/tool/go-mod-parser): Paste a go.mod file and instantly see the module name, Go version, and all dependencies in a structured, searchable table. - [Gray Code Converter](https://top10k.com/tool/gray-code-converter): Convert binary numbers to Gray code and Gray code back to binary, with a step-by-step bit-by-bit transformation table. - [CSS Grid Generator](https://top10k.com/tool/grid-generator): Generate CSS grid layout code with configurable columns, rows, gaps, and alignment options. Get clean, copy-ready CSS for any grid layout. - [Hamming Distance Calculator](https://top10k.com/tool/hamming-distance-calculator): Calculate the Hamming distance between two strings, binary sequences, or hexadecimal values. Supports text, binary (0s and 1s), and hex input modes. - [Hash Comparison Tool](https://top10k.com/tool/hash-comparison): Compare two hash strings for equality using constant-time comparison to prevent timing attacks. Supports MD5, SHA-1, SHA-256, SHA-512, bcrypt, and any hex or Base64 digest. - [Hex Decoder](https://top10k.com/tool/hex-decoder): Decode hexadecimal strings back to plain text or raw bytes. Accepts continuous hex, space-separated bytes, and 0x or \x prefixed pairs, decoded as UTF-8. - [Hex Encoder](https://top10k.com/tool/hex-encoder): Convert plain text to hexadecimal byte values in real time. Each character maps to its UTF-8 hex pair, with uppercase, byte-spacing, and 0x prefix options. - [Hex to ASCII Converter](https://top10k.com/tool/hex-to-ascii) - [Hex to Base64 Converter](https://top10k.com/tool/hex-to-base64): Converts hexadecimal byte strings to standard Base64 encoding. - [Hex to Binary Converter](https://top10k.com/tool/hex-to-binary): Converts hexadecimal strings into their full binary bit representation. Supports multi-byte hex input, optional spacing, and bit grouping. - [HJSON to JSON Converter](https://top10k.com/tool/hjson-to-json): Converts HJSON (human-readable JSON with comments and trailing commas) to strict JSON. - [.htaccess Generator](https://top10k.com/tool/htaccess-generator): Generates Apache .htaccess file snippets for common configurations: redirects, custom error pages, HTTPS enforcement, caching, security headers, and more. - [HTML Entity Decoder / Encoder](https://top10k.com/tool/html-entity-decoder): Encodes special characters to HTML entities and decodes HTML entities back to plain text, supporting named, decimal, and hex numeric references. - [HTML Entity Encoder / Decoder](https://top10k.com/tool/html-entity-encoder): Encodes special characters to HTML entities and decodes HTML entities back to plain text. Supports named entities, decimal, and hex numeric references. - [HTML Form Builder](https://top10k.com/tool/html-form-builder) - [HTML Formatter / Beautifier](https://top10k.com/tool/html-formatter): Format minified HTML into clean, readable code with proper indentation. Handles inline scripts, styles, and self-closing tags. - [HTML Meta Tag Extractor](https://top10k.com/tool/html-meta-extractor): Paste any HTML source and instantly extract all meta tags into a structured table showing attribute, content value, and category (SEO, Open Graph, Twitter Card, HTTP-Equiv, Charset, etc.). - [HTML Minifier](https://top10k.com/tool/html-min): Minify HTML by removing comments, collapsing whitespace, removing empty attributes, and optionally minifying inline CSS. - [HTML Table Generator](https://top10k.com/tool/html-table-generator) - [HTML to JSX Converter](https://top10k.com/tool/html-to-jsx): Converts standard HTML markup to JSX-compatible syntax: className, htmlFor, camelCase event handlers, self-closing tags, and inline style objects. - [HTML to Markdown Converter](https://top10k.com/tool/html-to-markdown): Convert HTML pages or snippets to clean Markdown. Supports headings, lists, tables, code blocks, links, images, and inline formatting. - [HTTP Basic Auth Encoder](https://top10k.com/tool/http-basic-auth-encoder): Encodes a username and password into a Base64 Basic Authentication header value ready to paste into HTTP requests. - [HTTP Cookie String Parser](https://top10k.com/tool/http-cookie-parser): Paste a Set-Cookie header string to instantly extract and display its name, value, domain, path, expires, Max-Age, SameSite, and security flags. - [HTTP Header Parser](https://top10k.com/tool/http-header-parser): Paste raw HTTP request or response headers and parse them into a labeled table with a status/request line breakdown, common-header explanations, and one-click copy as JSON. - [HTTP Status Code Lookup](https://top10k.com/tool/http-status-code-lookup): Look up any HTTP status code — get the official name, category, full description, RFC reference, and common causes. Browse all ~70 standard codes grouped by category. - [HTTP Status Code Reference](https://top10k.com/tool/http-status-code-reference): A searchable, filterable reference of all standard HTTP status codes (1xx–5xx) with descriptions and common use cases. - [Huffman Coding Tool](https://top10k.com/tool/huffman-coding-tool): Encodes text using Huffman coding, displays the frequency table, binary tree structure, and compression ratio. - [Human-Readable to Epoch Converter](https://top10k.com/tool/human-to-epoch): Converts a date/time string to Unix epoch in seconds and milliseconds, supporting multiple input formats. - [IEEE 754 Floating Point Converter](https://top10k.com/tool/ieee-754-converter): Converts decimal numbers to IEEE 754 single-precision (32-bit) and double-precision (64-bit) binary representation, showing sign, exponent, and mantissa fields plus hex encoding. - [Image Budget Calculator](https://top10k.com/tool/image-budget-calculator): Calculates the total image weight budget for a web page based on connection speed and performance targets. - [INI to CSV Converter](https://top10k.com/tool/ini-to-csv): Converts INI configuration file content to CSV format. Each key-value pair becomes a row with section, key, and value columns. Pure client-side JavaScript. - [INI to JSON Converter](https://top10k.com/tool/ini-to-json): Converts INI and CFG configuration files to clean, valid JSON in your browser, handling sections, comments, and typed values. - [INI to TOML Converter](https://top10k.com/tool/ini-to-toml): Converts INI configuration file content (sections and key=value pairs) to TOML format. Pure client-side JavaScript — nothing is sent to any server. - [INI to TSV Converter](https://top10k.com/tool/ini-to-tsv): Converts INI configuration file content to TSV (tab-separated values) format. Each key-value pair becomes a row with section, key, and value columns. Pure client-side JavaScript. - [INI to XML Converter](https://top10k.com/tool/ini-to-xml): Converts INI configuration file content (sections and key=value pairs) to well-formed XML. Pure client-side JavaScript — nothing is sent to any server. - [INI to YAML Converter](https://top10k.com/tool/ini-to-yaml): Convert INI configuration file format to YAML online. Handles sections, keys, values, comments, and nested structure automatically. - [IP Subnet Calculator](https://top10k.com/tool/ip-subnet-calculator): Compute IPv4 subnet info from CIDR notation. Get network and broadcast addresses, host range, usable hosts, wildcard mask, and subnet class instantly. - [IP Address to Binary Converter](https://top10k.com/tool/ip-to-binary): Converts IPv4 and IPv6 addresses to their binary representation, showing each octet or group in binary with dotted or colon notation. - [ISO 8601 Date Validator](https://top10k.com/tool/iso8601-validator): Validates and parses ISO 8601 date/time strings, showing parsed components and equivalent formats. - [JavaScript Array Methods Reference](https://top10k.com/tool/js-array-method-ref): Searchable reference for every JavaScript Array method with syntax, return type, mutates flag, and a live runnable example. - [Bitwise Calculator](https://top10k.com/tool/js-bitwise-calculator): Performs all JavaScript bitwise operations (AND, OR, XOR, NOT, left shift, right shift, unsigned right shift) on two integer inputs and shows binary breakdown of operands and result. - [JavaScript Date Format Tester](https://top10k.com/tool/js-date-formatter): Tests JavaScript date formatting using the Intl.DateTimeFormat API. Pick a locale, configure date/time options, and see live formatted output for the current date and several sample dates. - [DOM Event Reference](https://top10k.com/tool/js-event-listener-list) - [Template Literal Preview](https://top10k.com/tool/js-template-literal-preview): Renders JavaScript template literal strings live by substituting user-defined variable values into the template. - [JSON Flattener](https://top10k.com/tool/json-flattener): Flattens nested JSON objects into a single-level object with dot-notation keys. - [JSON Formatter](https://top10k.com/tool/json-format): Format, minify, and validate JSON with syntax highlighting, detailed error reporting with line and column numbers, and an interactive tree view. - [JSON Minifier](https://top10k.com/tool/json-minifier): Minify JSON by stripping all whitespace; validates JSON, shows original vs. minified byte sizes and compression percentage. - [JSON Key Picker](https://top10k.com/tool/json-pick): Extracts specific keys from a JSON object or array and returns a filtered subset. Paste your JSON, enter the keys you want, and get clean output instantly. - [JSON Sort Keys](https://top10k.com/tool/json-sort-keys): Recursively sorts all keys in a JSON object alphabetically for deterministic output. Useful for diffing, version control, and canonical serialization. - [JSON to C#](https://top10k.com/tool/json-to-csharp): Converts JSON data into matching C# class definitions, with public auto-properties and nested classes for nested objects. - [JSON to Dart](https://top10k.com/tool/json-to-dart): Converts JSON data into idiomatic Dart model classes, with fromJson/toJson factory constructors, nullable-safe fields, and nested class generation. - [JSON to .env Converter](https://top10k.com/tool/json-to-env): Convert a flat JSON object into .env key=value format instantly in your browser. Paste your JSON config and get a ready-to-use .env file. - [JSON to Go](https://top10k.com/tool/json-to-go): Paste or load JSON and generate matching Go struct definitions with nested structs, slices, and json tags. Runs entirely in your browser. - [JSON to INI Converter](https://top10k.com/tool/json-to-ini): Converts JSON objects to INI configuration file format with section support. Top-level object keys become INI sections; nested key-value pairs become section entries. - [JSON to Java](https://top10k.com/tool/json-to-java): Converts JSON data into matching Java POJO class definitions, with private fields, getters, setters, and nested static classes for nested objects. - [JSON to JavaScript Object Converter](https://top10k.com/tool/json-to-js-object): Converts strict JSON to a JavaScript object literal — removes quotes from valid identifier keys, converts null to undefined optionally, and outputs a const declaration ready to paste. - [JSON to JSON Schema](https://top10k.com/tool/json-to-json-schema): Converts a pasted sample JSON object or array into a generated JSON Schema (draft-07), inferring property types, nested objects, arrays, and required fields from the sample. - [JSON to Kotlin](https://top10k.com/tool/json-to-kotlin): Converts JSON data into matching Kotlin data class declarations, with nested classes and nullable-safe types for optional or missing fields. - [JSON to OpenAPI](https://top10k.com/tool/json-to-openapi): Converts a sample JSON object or array into a starter OpenAPI 3.0 schema (components/schemas), inferring types, nested objects, and arrays. - [JSON to PHP Class](https://top10k.com/tool/json-to-php-class): Converts a pasted JSON object or array into a typed PHP class definition, with nested classes for nested objects, a constructor, and optional getter methods. - [JSON to Python](https://top10k.com/tool/json-to-python): Convert a pasted JSON object or array into equivalent Python dataclass definitions with typed fields, generating nested dataclasses for nested objects. - [JSON to Rust](https://top10k.com/tool/json-to-rust): Paste or load JSON and generate matching Rust struct definitions with serde Serialize/Deserialize derives, nested structs, and Vec types. Runs entirely in your browser. - [JSON to SQL INSERT Converter](https://top10k.com/tool/json-to-sql-insert): Converts a JSON array of objects to SQL INSERT statements for any table name. - [JSON to SQL Schema](https://top10k.com/tool/json-to-sql-schema): Converts pasted JSON into a generated SQL CREATE TABLE statement, inferring column types from the JSON values, with a MySQL / PostgreSQL / SQLite dialect picker. - [JSON to Swift](https://top10k.com/tool/json-to-swift): Convert a pasted JSON object or array into Swift Codable struct declarations, with nested structs and optional types inferred automatically. - [JSON to HTML Table](https://top10k.com/tool/json-to-table): Converts a JSON array of objects into a formatted HTML table with downloadable markup. - [JSON to TSV Converter](https://top10k.com/tool/json-to-tsv): Converts JSON arrays of objects to Tab-Separated Values (TSV) format, ready for spreadsheet import. - [JSON to TypeScript](https://top10k.com/tool/json-to-typescript): Converts JSON data into matching TypeScript interface definitions, detecting nested objects, arrays, and optional fields. - [JSON Unflatten](https://top10k.com/tool/json-unflatten): Expands flattened dotted-key JSON back into a nested object structure. - [JSON5 to JSON Converter](https://top10k.com/tool/json5-to-json): Converts JSON5 (with comments, trailing commas, unquoted keys, single-quoted strings, and more) to strict, standards-compliant JSON. - [JSX Formatter](https://top10k.com/tool/jsx-formatter): Format and prettify pasted JSX/React code with consistent indentation, prop spacing, and self-closing tags. Runs entirely in your browser. - [JSX to HTML Converter](https://top10k.com/tool/jsx-to-html): Strips JSX-specific syntax to produce plain HTML output from JSX markup. Converts className to class, htmlFor to for, self-closing tags, and removes JS expressions. - [JWT Claims Reference](https://top10k.com/tool/jwt-claims-reference): Searchable reference for all standard JWT (RFC 7519) registered claims with explanations, expected values, and usage notes. - [JWT Decoder](https://top10k.com/tool/jwt-decoder): Decode JSON Web Tokens locally. View header, payload, signature, and validate expiry — your token never leaves your browser. - [JWT Expiry Checker](https://top10k.com/tool/jwt-expiry-checker): Paste a JWT and instantly see its expiration date, issued-at time, and all decoded claims in human-readable form. - [K-Fold Cross-Validation Size Calculator](https://top10k.com/tool/k-fold-size-calculator): Calculates fold sizes for k-fold cross-validation given a dataset size and k, showing training/validation split per fold. - [Keccak-256 Hash Generator](https://top10k.com/tool/keccak256-hash-generator): Generates a Keccak-256 hash (Ethereum-compatible, NOT standard SHA3-256) of any text input, fully client-side using the ethereum-js keccak library. - [KSUID Generator](https://top10k.com/tool/ksuid-generator): Generate K-Sortable Unique Identifiers (KSUID) client-side — 27-character base62 strings encoding a timestamp and random payload — and decode the embedded timestamp of any KSUID. - [AWS Lambda Cost Calculator](https://top10k.com/tool/lambda-cost-calculator): Estimates AWS Lambda monthly costs based on number of requests, average duration, memory allocation, and data transfer using current AWS pricing. - [LCP Budget Calculator](https://top10k.com/tool/lcp-budget-calculator): Helps web developers set and evaluate Largest Contentful Paint (LCP) budgets against Core Web Vitals thresholds (Good/Needs Improvement/Poor). - [Leap Year Checker](https://top10k.com/tool/leap-year-checker): Determines if a year is a leap year in the Gregorian calendar, with a step-by-step explanation of the divisibility rules. - [Learning Rate Scheduler Helper](https://top10k.com/tool/learning-rate-scheduler-helper): Calculates and visualizes learning rate schedules for ML training — step decay, exponential decay, cosine annealing, and warmup schedules — given initial LR, epochs, and decay parameters. - [Less Formatter](https://top10k.com/tool/less-formatter): Format minified or messy Less code into clean, consistently indented code with correct nesting. Runs entirely in your browser. - [Levenshtein Distance Calculator](https://top10k.com/tool/levenshtein-distance-calculator): Computes the edit distance (number of single-character insertions, deletions, or substitutions) between two strings, with step-by-step matrix visualization. - [License Generator](https://top10k.com/tool/license-generator): Generate the full text of a common open-source license (MIT, Apache-2.0, GPL-3.0, BSD-3-Clause, ISC, Unlicense, MPL-2.0) with your name and year filled in, ready to copy or download as a LICENSE file. - [Line Ending Converter](https://top10k.com/tool/line-ending-converter): Detects and converts line endings between Windows (CRLF), Unix (LF), and old Mac (CR) formats with a visual count of each type found. - [Line Height Calculator](https://top10k.com/tool/line-height-calculator): Calculates optimal CSS line-height values for readable typography given font size and desired ratio. - [JSON Log Formatter](https://top10k.com/tool/log-json-formatter): Paste one-JSON-per-line log output and get each line pretty-printed in a scrollable formatted view with copy-all support. - [Log Level Filter](https://top10k.com/tool/log-level-filter): Paste log output and filter lines by level (TRACE/DEBUG/INFO/WARN/ERROR/FATAL) with live highlighting and line count stats. - [Log Loss Calculator](https://top10k.com/tool/log-loss-calculator): Calculate binary cross-entropy (log loss) for classification model predictions. Paste comma-separated actual labels and predicted probabilities to evaluate model quality. - [Lorem Ipsum Generator](https://top10k.com/tool/lorem-ipsum-generator): Generates customizable Lorem Ipsum placeholder text by paragraphs, sentences, or word count with a one-click copy button. - [MAC Address OUI Lookup](https://top10k.com/tool/mac-address-lookup): Identifies the vendor/manufacturer from a MAC address OUI prefix using a bundled lookup table — no external API calls, fully client-side. - [Markdown Badge Builder](https://top10k.com/tool/markdown-badge-builder): Generates shields.io badge Markdown and HTML snippets for GitHub READMEs using configurable label, message, and color fields. - [Markdown Formatter](https://top10k.com/tool/markdown-formatter): Format and prettify pasted Markdown text with consistent heading spacing, list markers, and optional line wrapping, plus a live rendered preview. - [Markdown Link Extractor](https://top10k.com/tool/markdown-link-checker): Extracts all hyperlinks from a Markdown document and lists them with their anchor text in a clean table. - [Markdown Table Builder](https://top10k.com/tool/markdown-table-builder): Creates properly aligned Markdown tables from a visual grid editor. Add or remove rows and columns, set column alignment (left, center, right), and copy the formatted output. - [Markdown to HTML Converter](https://top10k.com/tool/markdown-to-html): Convert Markdown text to HTML in real time. Supports CommonMark plus GitHub-flavored extensions like tables, fenced code, and task lists. - [Markdown to HTML (Full Document)](https://top10k.com/tool/markdown-to-html-full): Converts Markdown to a complete standalone HTML page with a clean stylesheet, ready to save and open in any browser. - [Markdown Table of Contents Generator](https://top10k.com/tool/markdown-toc-generator): Generates a linked Table of Contents from Markdown headings. Paste any Markdown document, choose heading depth (H1-H6), and get a formatted TOC with anchor links. - [MD2 Hash Generator](https://top10k.com/tool/md2-hash): Generates the legacy MD2 hash of any input text, useful for forensics and legacy system compatibility checks. - [MD4 Hash Generator](https://top10k.com/tool/md4-hash): Generate MD4 hashes from any text input. MD4 is a legacy 128-bit cryptographic hash used in older protocols, NTLM authentication, and forensic analysis. - [MD5 Hash Generator](https://top10k.com/tool/md5-hash-generator): Generates MD5 hashes from text input or files entirely in your browser using a pure JavaScript RFC 1321 implementation. No data is sent to any server. - [Meta Tag Generator](https://top10k.com/tool/meta-tag-generator): Generate HTML meta tags for SEO, Open Graph, and Twitter Cards with live preview of the output code. - [MIME Type Lookup](https://top10k.com/tool/mime-type-lookup): Look up MIME types by file extension or content-type string. Returns matching MIME type, category, common alternates, and example file names. Includes a searchable table of 200+ MIME types. - [Mobile User-Agent Parser](https://top10k.com/tool/mobile-user-agent-parser): Detects device type, OS, and browser from any user-agent string, with auto-detection of the current browser UA. - [MongoDB ObjectId Decoder](https://top10k.com/tool/mongodb-objectid-decoder): Decode a MongoDB ObjectId (24-char hex string) client-side into its embedded creation timestamp, random value, and counter, with format validation. - [Morse To Text](https://top10k.com/tool/morse-to-text): Decodes Morse code (dots and dashes) into plain English text instantly. - [MTBF Calculator](https://top10k.com/tool/mtbf-calculator): Calculates Mean Time Between Failures (MTBF), MTTR, MTTF, and system availability for DevOps and SRE reliability planning. - [Network Speed Calculator](https://top10k.com/tool/network-speed-calculator): Convert between Mbps, MBps, Gbps, GBps, Kbps, and KBps, and estimate file transfer time given speed and file size. - [Non-Printable Character Remover](https://top10k.com/tool/non-printable-char-remover): Strips control characters and non-printable Unicode from text, with a count of removed characters. - [npm vs Yarn vs pnpm Command Comparison](https://top10k.com/tool/npm-vs-yarn-vs-pnpm): Side-by-side command comparison table for npm, Yarn, and pnpm — install, add, remove, run, publish, and more — with a live search filter. - [package.json Scripts Reference](https://top10k.com/tool/package-json-scripts-reference) - [Page Weight Budget Calculator](https://top10k.com/tool/page-weight-budget): Helps developers set and check web page resource size budgets against performance targets. - [Parity Bit Calculator](https://top10k.com/tool/parity-bit-calculator): Calculates even and odd parity bits for a binary data word, showing the parity bit value and the complete codeword with parity appended. - [Percent / URL Encoder](https://top10k.com/tool/percent-encode): Percent-encodes special characters in a URL component using RFC 3986 rules. - [Percent-Encode All Characters](https://top10k.com/tool/percent-encode-all): Percent-encodes every character including alphanumerics for strict URL escaping. - [Common Ports Reference](https://top10k.com/tool/port-scanner-common): A searchable reference listing the most common well-known TCP/UDP ports (0–1023) with their service names, protocols, and descriptions — no actual scanning, pure reference. - [PR Description Template Generator](https://top10k.com/tool/pr-description-template-generator): Generates a GitHub or GitLab pull request description template from selectable sections — summary, changes, testing, screenshots, and checklist — with a live Markdown preview and one-click copy. - [Precision Recall Calculator](https://top10k.com/tool/precision-recall-calculator): Computes precision, recall, F1 score, accuracy, specificity, and other classification metrics from a confusion matrix (TP, FP, TN, FN). Ideal for evaluating machine learning models. - [Prettier Config Generator](https://top10k.com/tool/prettier-config-generator) - [Punycode Decoder](https://top10k.com/tool/punycode-decoder): Decodes Punycode-encoded internationalized domain names (IDN) to Unicode and encodes Unicode back to Punycode. - [Punycode Encoder](https://top10k.com/tool/punycode-encoder): Encodes internationalized domain names (IDN) to ASCII-compatible Punycode representation and decodes Punycode back to Unicode. - [PWA Checklist](https://top10k.com/tool/pwa-score-checklist): Interactive Lighthouse-inspired Progressive Web App audit checklist with checkboxes for all PWA requirements — tracks completion score and shows pass/fail status. - [PX to REM Converter](https://top10k.com/tool/px-to-rem-converter): Converts pixel values to rem CSS units (and back) based on a configurable root font size, with a bulk conversion table for common pixel values. - [QR Code Generator](https://top10k.com/tool/qr-code-generator): Generate a QR code image from any text or URL. Customize size and error correction level, then download the QR code as a PNG. - [Quoted-Printable Decoder](https://top10k.com/tool/quoted-printable-decode): Decodes quoted-printable MIME encoded text back to readable plain text. Handles soft line breaks, encoded characters, and multi-line email content. - [Quoted-Printable Decoder](https://top10k.com/tool/quoted-printable-decoder): Decodes quoted-printable encoded email content to readable plain text. - [Quoted-Printable Encoder](https://top10k.com/tool/quoted-printable-encode): Encodes text into MIME quoted-printable format used in email message bodies. - [Quoted Printable Encoder / Decoder](https://top10k.com/tool/quoted-printable-encoder): Encodes and decodes MIME quoted-printable (QP) text for email message bodies. - [Redis Command Builder](https://top10k.com/tool/redis-command-builder): Builds Redis CLI commands interactively for common operations (SET, GET, HSET, LPUSH, EXPIRE, etc.) with copy-to-clipboard. - [Regex Explainer](https://top10k.com/tool/regex-explainer): Paste a JavaScript-style regular expression and get a plain-English breakdown of every token — anchors, character classes, quantifiers, groups, lookarounds, and more — with color-coded chips. - [Regex Flags Tester](https://top10k.com/tool/regex-global-flag-tester): Tests the same regex pattern with all combinations of flags (i, g, m, s) against sample text and shows match results for each combination. - [Regex Live Replace](https://top10k.com/tool/regex-replace-live): Performs real-time find-and-replace using a regex with backreference support in the replacement string. - [Regex Split Tool](https://top10k.com/tool/regex-split-tool): Splits text on a regex delimiter and displays the resulting parts in a numbered list. - [Regex Tester](https://top10k.com/tool/regex-tester): Live regex pattern tester with JavaScript flavor. Visualize matches, capture groups, and replacement preview in real time. - [Rem To Px Converter](https://top10k.com/tool/rem-to-px-converter): Converts CSS rem values to pixels and back, with adjustable root font size. - [Renovate Config Generator](https://top10k.com/tool/renovate-config-generator): Generate a renovate.json config for Mend Renovate with configurable base preset, schedule, package rules for grouping and automerging minor/patch updates, range strategy, and ignore rules. - [Database Replication Lag Helper](https://top10k.com/tool/replication-lag-helper): Calculates maximum acceptable replication lag thresholds and estimates data-loss window (RPO) for primary-replica database setups based on write rate and SLA requirements. - [RIPEMD-160 Hash Generator](https://top10k.com/tool/ripemd160-hash-generator): Generates a RIPEMD-160 cryptographic hash of any text input, fully client-side using a JavaScript implementation of the RIPEMD-160 algorithm. - [ROT13 Cipher](https://top10k.com/tool/rot13-cipher): Encode and decode text instantly using the ROT13 substitution cipher — letters shift by 13, applying it twice restores the original. - [ROT13 Decoder](https://top10k.com/tool/rot13-decode): Decodes ROT13-encoded text by rotating each letter 13 positions in the alphabet (self-inverse). - [ROT47 Cipher](https://top10k.com/tool/rot47-cipher): Encode and decode text using the ROT47 cipher, which rotates all printable ASCII characters by 47 positions. - [SCSS Formatter](https://top10k.com/tool/scss-formatter): Format minified or messy SCSS into clean, consistently indented code with correct nesting. Runs entirely in your browser. - [Semantic Version Bumper](https://top10k.com/tool/semantic-version-bumper): Increment a semver version string (MAJOR.MINOR.PATCH) with one click. Supports optional prerelease labels (alpha, beta, rc, custom) and build metadata. Validates semver syntax, shows a parsed break… - [SemVer Range Tester](https://top10k.com/tool/semver-range-tester): Test whether a semantic version like 1.4.2 satisfies a range expression like ^1.2.0, ~1.4.0, or >=1.0.0 <2.0.0. - [SHA1 Hash Generator](https://top10k.com/tool/sha1-hash-generator): Generates a SHA-1 hash of any text using the browser's native Web Crypto API. No data leaves your browser. - [SHA-224 Hash Generator](https://top10k.com/tool/sha224-hash): Generate SHA-224 cryptographic hashes from any text input instantly in your browser using a client-side JavaScript implementation. No data is sent to any server. - [SHA224 Hash Generator](https://top10k.com/tool/sha224-hash-generator): Generates a SHA-224 hash of any text using a client-side JavaScript SHA-2 implementation. Supports single and batch mode with live output. - [SHA256 Hash Generator](https://top10k.com/tool/sha256-hash-generator): Generates SHA-256 hashes of text input client-side using the Web Crypto API. - [SHA3-256 Hash Generator](https://top10k.com/tool/sha3-256-hash-generator): Generates a SHA3-256 cryptographic hash from any text input, computed entirely in the browser using the js-sha3 library. - [SHA3-512 Hash Generator](https://top10k.com/tool/sha3-512-hash-generator): Generate a SHA3-512 cryptographic hash of any text input using the js-sha3 library, with copy-to-clipboard and uppercase/lowercase toggle. - [SHA-384 Hash Generator](https://top10k.com/tool/sha384-hash): Generate SHA-384 cryptographic hashes from any text input instantly in your browser using the WebCrypto API. No data is sent to any server. - [SHA384 Hash Generator](https://top10k.com/tool/sha384-hash-generator): Generates SHA-384 cryptographic hashes from text input using the browser's native WebCrypto API. - [SHA-512 Hash Generator](https://top10k.com/tool/sha512-hash-generator): Generates SHA-512 cryptographic hashes from text input using the browser's native WebCrypto API, with copy-to-clipboard and uppercase/lowercase toggle. - [Shard Count Calculator](https://top10k.com/tool/shard-count-calculator): Calculates the optimal number of database shards based on total data size, node count, shard size limit, and replication factor. - [Short ID Generator](https://top10k.com/tool/short-id-generator): Generate short, URL-friendly random unique IDs with a configurable length and alphabet. Pick base62, base58, hex, or a URL-safe nanoid-style charset, then bulk-generate and copy. - [SLA Uptime Calculator](https://top10k.com/tool/sla-uptime-calculator): Converts an SLA uptime percentage to maximum allowable downtime per day, month, and year. - [URL Slug Validator](https://top10k.com/tool/slug-validator): Checks a URL slug for safety, lowercase convention, hyphen usage, and common pitfalls, with suggestions for fixes. - [Snowflake ID Decoder](https://top10k.com/tool/snowflake-id-decoder): Decode a Twitter/X or Discord Snowflake ID into its embedded timestamp, worker/process ID, and sequence number, entirely client-side. - [SQL CREATE TABLE Generator](https://top10k.com/tool/sql-create-table-generator): Build SQL CREATE TABLE statements from a visual column editor. Add columns with name, data type, length, NULL/NOT NULL, DEFAULT, PRIMARY KEY, and UNIQUE constraints, then export for MySQL or Postgr… - [SQL Data Type Reference](https://top10k.com/tool/sql-data-type-reference): Side-by-side comparison of data types across MySQL, PostgreSQL, SQLite, and SQL Server with search and filter. - [SQL String Escape Tool](https://top10k.com/tool/sql-escape-string) - [SQL Result to CSV Converter](https://top10k.com/tool/sql-to-csv): Paste a SQL SELECT result set (with header row) and instantly convert it to a downloadable CSV file. Handles tab-separated, pipe-separated, and space-aligned output formats. - [SQL Result to JSON Converter](https://top10k.com/tool/sql-to-json): Converts a pasted SQL SELECT result set (with header row) to a JSON array of objects. - [Server-Sent Events Builder](https://top10k.com/tool/sse-event-builder): Generate SSE event stream format examples with configurable event name, data, id, and retry fields — shows the raw text/event-stream format and example JavaScript EventSource client code. - [String Hash Comparison](https://top10k.com/tool/string-hash-comparison): Computes MD5, SHA-1, SHA-256, and SHA-512 hashes for two strings side-by-side and highlights whether they match. - [String Padding Tool](https://top10k.com/tool/string-padding-tool): Pad a string to a specified total length by prepending or appending a chosen fill character — the browser equivalent of padStart() and padEnd(). - [String Truncator with Ellipsis](https://top10k.com/tool/string-truncator): Truncate a string to a configurable maximum character length and append a custom ellipsis (…, ..., or any custom suffix), with optional word-boundary mode. - [Table Storage Estimator](https://top10k.com/tool/table-storage-estimator): Estimates database table storage size in bytes, KB, MB, and GB from row count and per-column data types and sizes. - [Text to Morse Code Converter](https://top10k.com/tool/text-to-morse) - [Text to TSV Converter](https://top10k.com/tool/text-to-tsv): Converts whitespace-separated or custom-delimited text to tab-delimited (TSV) format. Supports spaces, commas, pipes, semicolons, and custom delimiters. - [Throughput Latency Helper](https://top10k.com/tool/throughput-latency-helper): Calculates throughput, latency, and concurrency relationships using Little's Law (L = λW) for queuing systems and API performance analysis. - [Time Complexity Calculator](https://top10k.com/tool/time-complexity-calculator) - [Time to Interactive Helper](https://top10k.com/tool/time-to-interactive-helper): Calculates and explains Time to Interactive (TTI) web performance metric, helping developers understand what affects TTI and how to budget JavaScript execution time. - [TLS Version Reference](https://top10k.com/tool/tls-version-checker): Explains TLS 1.0, 1.1, 1.2, and 1.3 differences, deprecation status, cipher suites, and compatibility — a static reference tool with a searchable comparison table. - [TOML to CSV Converter](https://top10k.com/tool/toml-to-csv): Paste a TOML document containing an array of tables and instantly convert it to a downloadable CSV file, entirely in your browser. - [TOML to INI Converter](https://top10k.com/tool/toml-to-ini): Convert TOML configuration files to INI format instantly in your browser. No server upload required — all processing is client-side. - [TOML to TSV Converter](https://top10k.com/tool/toml-to-tsv): Parses a TOML document and converts its top-level array-of-tables to TSV (tab-separated values) format, client-side. - [TOML to XML Converter](https://top10k.com/tool/toml-to-xml) - [TOML to YAML Converter](https://top10k.com/tool/toml-to-yaml): Convert TOML configuration files to YAML format instantly in your browser. Paste TOML, get clean YAML output with proper indentation and structure. - [Touch Target Size Checker](https://top10k.com/tool/touch-target-size-checker): Checks if a tap/click target meets the 44x44px minimum recommended by WCAG 2.5.5 and Apple HIG — enter width and height in px, dp, or pt and see pass/fail with visual size preview. - [Train Test Split Calculator](https://top10k.com/tool/train-test-split-calculator): Calculate train, validation, and test set sizes for machine learning datasets. Enter total samples and split ratios to see exact counts with a visual breakdown. - [tsconfig Generator](https://top10k.com/tool/tsconfig-generator): Interactive form that lets you toggle common TypeScript compiler options and generates a ready-to-use tsconfig.json. - [TSV to INI Converter](https://top10k.com/tool/tsv-to-ini): Converts tab-separated values (TSV) data into INI configuration file format in the browser. Paste TSV and get a ready-to-use INI file instantly. - [TSV to JSON Converter](https://top10k.com/tool/tsv-to-json): Converts tab-separated values (TSV) to a JSON array of objects, using the header row as keys. Paste or upload any .tsv file and get formatted JSON instantly in your browser. - [TSV to Table Viewer](https://top10k.com/tool/tsv-to-table): Renders a tab-separated values (TSV) file as a sortable, formatted HTML table. - [TSV to TOML Converter](https://top10k.com/tool/tsv-to-toml) - [TSV to XML Converter](https://top10k.com/tool/tsv-to-xml): Converts tab-separated values (TSV) data into well-formed XML markup in the browser. Paste your TSV, choose a root and row element name, and download the result. - [TSV to YAML Converter](https://top10k.com/tool/tsv-to-yaml): Converts tab-separated values (TSV) to YAML format, using the header row as keys for each record. - [Twos Complement Calculator](https://top10k.com/tool/twos-complement-calculator): Converts integers to and from two's complement binary representation for any bit width. - [Type Scale Generator](https://top10k.com/tool/type-scale-generator): Generates a CSS typographic scale with font sizes based on a modular ratio and base size, with live preview and copy-ready CSS output. - [TypeScript Formatter](https://top10k.com/tool/typescript-formatter): Format and pretty-print pasted TypeScript code with consistent indentation, quote style, and semicolons. Runs entirely in your browser. - [Unicode Escape Converter](https://top10k.com/tool/unicode-escape-converter): Encode text to Unicode escape sequences (\uXXXX) and decode them back to readable text, supporting all Unicode planes. - [URL Decoder](https://top10k.com/tool/url-decoder): Decodes percent-encoded URL strings back to human-readable text instantly. - [URL Encoder / Decoder](https://top10k.com/tool/url-encoder): Encode and decode URLs using percent-encoding (encodeURIComponent / decodeURIComponent), showing encoded and decoded forms side by side. - [User Agent Parser](https://top10k.com/tool/user-agent-parser): Parses a User-Agent string client-side and extracts browser name/version, OS, device type, and rendering engine. - [Uudecode Decoder](https://top10k.com/tool/uudecode-decoder): Decodes UUencoded text back to its original ASCII or binary content in the browser. - [Uuencode Encoder](https://top10k.com/tool/uuencode-encoder): Encodes plain text or binary data using the Unix uuencoding format, with a filename header and the standard 60-character line wrapping. - [UUID to Timestamp](https://top10k.com/tool/uuid-to-timestamp): Extract the embedded creation timestamp from a time-based UUID (v1 or v7), shown in UTC and local time, with clear handling for random v4 UUIDs that carry no timestamp. - [UUID v6 Generator](https://top10k.com/tool/uuid-v6-generator): Generate time-ordered UUID version 6 identifiers online, individually or in batches, with lowercase or uppercase output. - [Viewport Meta Tag Builder](https://top10k.com/tool/viewport-meta-builder): Generates the correct HTML meta viewport tag for responsive design — configure width, initial-scale, minimum/maximum-scale, and user-scalable options with live preview of the output tag. - [Vite Config Generator](https://top10k.com/tool/vite-config-generator): Generate a vite.config.js or vite.config.ts starter file with configurable options: framework plugin, base path, build output directory, dev server port, and proxy rules. - [Web App Manifest Generator](https://top10k.com/tool/web-app-manifest-generator): Generate a valid manifest.json for Progressive Web Apps. Configure app name, short name, start URL, display mode, theme color, background color, orientation, and icon sizes with live JSON preview. - [Webhook Payload Builder](https://top10k.com/tool/webhook-payload-builder): Generates ready-to-use sample JSON payloads for common webhook events from GitHub, Stripe, Shopify, Slack, and more. Browse by provider and event, then copy the payload instantly. - [WHIRLPOOL Hash Generator](https://top10k.com/tool/whirlpool-hash-generator): Generates a WHIRLPOOL cryptographic hash of any input text using a pure-JS implementation. - [Whitespace Visualizer](https://top10k.com/tool/whitespace-visualizer): Makes invisible whitespace characters visible by replacing spaces, tabs, newlines, and other hidden characters with distinct symbols. - [Whois Lookup](https://top10k.com/tool/whois): Look up domain registration information including registrar, creation date, expiry date, name servers, DNSSEC status, and registrant organization. - [Window Function Helper](https://top10k.com/tool/window-function-helper) - [XML Minifier](https://top10k.com/tool/xml-minifier): Removes whitespace and comments from XML to produce a compact single-line minified output. - [XML to CSV Converter](https://top10k.com/tool/xml-to-csv): Convert XML data to CSV format entirely in your browser. Flattens element text content into tabular rows with automatic column detection. - [XML to INI Converter](https://top10k.com/tool/xml-to-ini): Converts XML markup to INI configuration format in the browser. Paste XML, get a clean INI file instantly — no server upload required. - [XML to TOML Converter](https://top10k.com/tool/xml-to-toml): Converts XML markup to TOML configuration format in the browser. Paste any XML document and get clean, human-readable TOML output instantly. - [XML to TSV Converter](https://top10k.com/tool/xml-to-tsv): Converts XML data to TSV (tab-separated values) format client-side, flattening element text content into tabular rows. - [XML to YAML Converter](https://top10k.com/tool/xml-to-yaml): Converts XML markup to YAML format using the browser's DOMParser and js-yaml for output. Paste any XML and get clean, human-readable YAML instantly. - [YAML Beautifier](https://top10k.com/tool/yaml-beautifier): Client-side YAML formatter that reformats messy or inconsistently-indented YAML with consistent 2-space indentation, validates syntax, and reports parse errors with line numbers. - [YAML to CSV Converter](https://top10k.com/tool/yaml-to-csv): Converts a YAML array-of-objects to CSV format in the browser; handles flat key extraction and download. - [YAML to dotenv](https://top10k.com/tool/yaml-to-dotenv): Convert a flat or nested YAML config into .env (dotenv) KEY=VALUE lines, client-side. Nested keys flatten into underscore-prefixed environment variable names. - [YAML to INI Converter](https://top10k.com/tool/yaml-to-ini): Converts YAML configuration data to INI file format with section support. - [YAML to TOML Converter](https://top10k.com/tool/yaml-to-toml): Convert YAML configuration files to TOML format instantly in your browser. No server upload, no sign-up — pure client-side conversion. - [YAML to TSV Converter](https://top10k.com/tool/yaml-to-tsv): Converts a YAML array of objects into tab-separated values (TSV) format for use in spreadsheets. - [YAML to XML Converter](https://top10k.com/tool/yaml-to-xml): Converts YAML text to well-formed XML in the browser using js-yaml for parsing. No data is sent to any server. - [YAML Validator & Converter](https://top10k.com/tool/yaml-validator): Validate YAML syntax, convert YAML to JSON or JSON to YAML, and pretty-print. All processing happens in your browser — no data sent anywhere. ## SEO Tools (40) - [Ad Copy Character Counter](https://top10k.com/tool/ad-copy-character-counter): Count characters for Google Ads, Meta Ads, and other ad platform copy fields in real time, showing limits for headlines, descriptions, and display URLs. - [Anchor Text Checker](https://top10k.com/tool/anchor-text-checker): Parses HTML and extracts all anchor tags, classifying them as exact-match, partial-match, branded, naked URL, generic, or image anchors with a summary breakdown. - [Article Schema Generator](https://top10k.com/tool/article-schema-generator): Generates JSON-LD structured data markup for the Article (or NewsArticle/BlogPosting) schema type, ready to paste into a page's head tag. - [Breadcrumb Schema Generator](https://top10k.com/tool/breadcrumb-schema-generator): Generates JSON-LD BreadcrumbList structured data markup for SEO from a list of breadcrumb items (name and URL pairs). Paste the output into your page head to get rich breadcrumb results in Google S… - [Canonical Tag Generator](https://top10k.com/tool/canonical-tag-generator): Generates HTML canonical link tags to prevent duplicate content issues. - [Caption Length Checker](https://top10k.com/tool/caption-length-checker): Real-time character counter for social media captions that shows remaining characters against limits for Instagram (2200), Twitter/X (280), Facebook (63206), LinkedIn (3000), and TikTok (2200), wit… - [Content Idea Generator](https://top10k.com/tool/content-idea-generator) - [Core Web Vitals Helper](https://top10k.com/tool/core-web-vitals-helper): Reference tool showing Core Web Vitals thresholds (LCP, INP, CLS) with score interpretation and optimization tips for each metric. - [CPC Calculator](https://top10k.com/tool/cpc-calculator): Calculate Cost Per Click (CPC) from total ad spend and clicks, or solve for any one unknown given the other two values. - [CTR Calculator](https://top10k.com/tool/ctr-calculator): Calculate click-through rate (CTR) from impressions and clicks. Compare your CTR against industry benchmarks and get actionable optimization tips. - [Email Subject Line Tester](https://top10k.com/tool/email-subject-line-tester): Analyzes an email subject line for character/word count, mobile preview length, spam trigger words, sentiment, and open-rate tips — all client-side. - [Facebook Ad Preview Tool](https://top10k.com/tool/facebook-ad-preview): Preview how your Facebook / Meta ad will look in the News Feed before publishing. Fill in page name, body text, headline, description, CTA button, and display URL to see a pixel-accurate mockup — n… - [FAQ Schema Generator](https://top10k.com/tool/faq-schema-generator): Generates valid JSON-LD FAQPage schema markup from question-and-answer pairs for Google rich results. - [Google Ads Preview Tool](https://top10k.com/tool/google-ads-preview): Live-previews a Google Search ad as it would appear on desktop and mobile SERP — shows headline, display URL, and description with character-count indicators for each field. - [Google Cache Checker](https://top10k.com/tool/google-cache-checker): Generates the Google Cache lookup URL for any webpage and explains how to view the cached version stored by Google. - [Hreflang Generator](https://top10k.com/tool/hreflang-generator): Generates hreflang link tags for multi-language/multi-region websites to help search engines serve the correct language version. - [Htaccess Redirect Generator](https://top10k.com/tool/htaccess-redirect-generator): Generates .htaccess RewriteRule and Redirect directives for 301/302 redirects from a list of old-URL to new-URL pairs. - [JSON-LD Schema Generator](https://top10k.com/tool/json-ld-schema-generator): Generates JSON-LD structured data markup for common schema types (Article, Product, FAQ, LocalBusiness, BreadcrumbList) from form inputs. - [Keyword CPC Estimator](https://top10k.com/tool/keyword-cpc-estimator): Estimates cost-per-click (CPC) for keywords based on industry vertical benchmarks and competition level, helping advertisers budget Google Ads campaigns. - [Keyword Permutation Generator](https://top10k.com/tool/keyword-permutation-generator): Generates all possible combinations and permutations of keyword groups for SEO research and PPC ad campaigns. - [Local Business Schema Generator](https://top10k.com/tool/local-business-schema-generator): Generates JSON-LD structured data markup for a local business (LocalBusiness / schema.org) — fills in name, address, phone, hours, geo coords, and business type, then outputs copy-ready script tag. - [Long Tail Keyword Generator](https://top10k.com/tool/long-tail-keyword-generator) - [Meta Description Length Checker](https://top10k.com/tool/meta-description-length-checker): Checks the character length of a meta description against Google's recommended 120-158 character range with a live SERP snippet preview. - [Meta Description Writer](https://top10k.com/tool/meta-description-writer): Generates SEO-optimized meta descriptions from a page title and key points, with live character count and a SERP preview snippet. - [Nofollow Link Generator](https://top10k.com/tool/nofollow-link-generator): Generate HTML anchor tags with rel="nofollow" (and optionally rel="sponsored" or rel="ugc") from a URL and anchor text. - [Open Graph Tag Generator](https://top10k.com/tool/open-graph-generator): Generate Open Graph and Twitter Card meta tags for social media sharing previews. Fill in your page details and get copy-ready HTML meta tags with a live social card preview. - [Product Schema Generator](https://top10k.com/tool/product-schema-generator): Generate JSON-LD Product schema markup (schema.org) for e-commerce pages to enable Google rich results. - [Readability for SEO](https://top10k.com/tool/readability-for-seo): Analyzes pasted text for SEO readability: Flesch Reading Ease score, grade level, sentence length, passive voice count, and actionable improvement tips. - [Redirect Generator](https://top10k.com/tool/redirect-generator): Generate 301/302 redirect code snippets for Apache .htaccess, Nginx server block, and HTML meta refresh from a source and destination URL. - [Review Schema Generator](https://top10k.com/tool/review-schema-generator): Generates JSON-LD Review and AggregateRating schema markup for products and services to enhance Google rich results. - [Robots.txt Generator](https://top10k.com/tool/robots-txt-generator): Generates a robots.txt file for websites with configurable user-agent rules, allow/disallow paths, crawl-delay, and sitemap URL. - [RSS Feed Generator](https://top10k.com/tool/rss-feed-generator): Generates a valid RSS 2.0 XML feed from user-entered site info and up to 10 items, with copy-to-clipboard output. - [SERP Snippet Preview](https://top10k.com/tool/serp-snippet-preview): Preview how your page title and meta description appear in Google desktop and mobile search results, with character and pixel-width limits and live truncation feedback. - [SEO Slug Generator](https://top10k.com/tool/slug-generator-seo): Converts any title or phrase into a URL-friendly SEO slug (lowercase, hyphenated, special-chars stripped). - [Social Share Link Generator](https://top10k.com/tool/social-share-link-generator) - [Title Tag Length Checker](https://top10k.com/tool/title-tag-length-checker): Checks SEO title tag character and pixel-width length against Google's ~600px display limit with a live SERP snippet preview. - [Twitter Card Generator](https://top10k.com/tool/twitter-card-generator): Generates Twitter/X Card meta tags (summary, summary_large_image, app, player) with a live preview and one-click copy of the HTML snippet. - [Video Schema Generator](https://top10k.com/tool/video-schema-generator): Generates JSON-LD VideoObject structured data markup for SEO with live preview, ISO 8601 duration helper, and one-click copy of the complete script block. - [Word Count for SEO](https://top10k.com/tool/word-count-for-seo): Counts words, characters, sentences, and paragraphs in pasted content and shows SEO-relevant content length benchmarks. - [XML Sitemap Generator](https://top10k.com/tool/xml-sitemap-generator): Generates a valid XML sitemap from a list of URLs entered by the user, with customizable priority and change frequency per URL. ## Security & Privacy (34) - [2FA Code Generator](https://top10k.com/tool/2fa): Generate TOTP (Time-based One-Time Password) 2FA codes from a secret key. Works with Google Authenticator, Authy, and any RFC 6238 compatible app. - [Base64URL Encoder / Decoder](https://top10k.com/tool/base64url-encoder): Encode and decode UTF-8 text using Base64URL (URL-safe Base64) — the format used in JWT tokens, OAuth flows, and PKCE challenges. - [Bcrypt Cost Factor Estimator](https://top10k.com/tool/bcrypt-cost-estimator) - [Bcrypt Hash Verifier](https://top10k.com/tool/bcrypt-verify): Verifies that a plaintext password matches a bcrypt hash, entirely client-side using bcryptjs. - [Bulk Password Generator](https://top10k.com/tool/bulk-password-generator) - [CORS Header Builder](https://top10k.com/tool/cors-header-builder): Generate Access-Control-* HTTP response headers for cross-origin requests with ready-to-paste nginx, Apache, and Express.js config snippets. - [CSRF Token Generator](https://top10k.com/tool/csrf-token-generator) - [Diffie-Hellman Key Exchange Explainer](https://top10k.com/tool/diffie-hellman-explainer): Interactive step-by-step explainer of the Diffie-Hellman key exchange protocol. Enter a small prime p, generator g, and two private keys to see the full shared-secret derivation with annotated math. - [GCD for RSA Key Check](https://top10k.com/tool/gcd-for-rsa): Computes the GCD of two numbers using the Euclidean algorithm to check whether RSA key parameters share a common factor — a sign of a weak or compromised key. - [Hex Key Generator](https://top10k.com/tool/hex-key-generator) - [HMAC Calculator](https://top10k.com/tool/hmac-calculator): Compute HMAC (Hash-based Message Authentication Code) for any message and secret key using SHA-256, SHA-384, or SHA-512 via the browser's WebCrypto API. Output in hex or Base64. - [HSTS Header Generator](https://top10k.com/tool/hsts-header-generator): Generate HTTP Strict-Transport-Security (HSTS) headers with max-age presets, includeSubDomains, preload validation, and server config snippets. - [IP Address Checker](https://top10k.com/tool/ip): Check your public IP address, ISP, location, VPN/proxy detection, WebRTC leak check, and browser privacy score. - [Key Stretching Time Calculator](https://top10k.com/tool/key-stretching-time) - [Memorable Password Generator](https://top10k.com/tool/memorable-password-generator) - [Cryptographic Nonce Generator](https://top10k.com/tool/nonce-generator) - [Cryptographic Nonce Generator](https://top10k.com/tool/nonce-generator-crypto): Generate cryptographically secure random nonces in hex, base64, or alphanumeric format using the browser WebCrypto API, with configurable byte length. - [One-Time Pad Encrypt / Decrypt Tool](https://top10k.com/tool/one-time-pad-tool): Encrypt and decrypt text using a one-time pad (XOR cipher). Generates a cryptographically random key via WebCrypto, shows hex and base64 output, and verifies decryption round-trip. - [OWASP Top 10 Checklist](https://top10k.com/tool/owasp-checklist): Interactive security checklist based on the OWASP Top 10 vulnerabilities. Check off each category, track your security score, and understand the risks you have addressed. - [Passphrase Generator](https://top10k.com/tool/passphrase-generator) - [Password Crack Time Estimator](https://top10k.com/tool/password-crack-time-estimator): Estimates how long it would take to brute-force crack a password based on its length, character set, and attacker hash rate. - [Password Generator](https://top10k.com/tool/password-generator): Secure password generator using window.crypto.getRandomValues() for true randomness. Configure length, character sets, and exclusion options. Generates passwords instantly with strength estimation. - [Advanced Password Generator](https://top10k.com/tool/password-generator-advanced) - [Password Strength Meter](https://top10k.com/tool/password-strength-meter): Check password strength using entropy, character classes, and common-pattern detection. Live feedback, no data sent anywhere. - [PBKDF2 Cost Estimator](https://top10k.com/tool/pbkdf2-cost-estimator): Estimates PBKDF2 hashing time and recommends iteration counts for PBKDF2-HMAC-SHA256/SHA512 key derivation based on target hash time, hardware tier, and OWASP guidelines. - [Secure PIN Generator](https://top10k.com/tool/pin-generator) - [RSA Key Size Explainer](https://top10k.com/tool/rsa-key-size-explainer): Interactive guide explaining RSA key sizes, their security levels, and recommendations for different use cases. - [Password Salt Generator](https://top10k.com/tool/salt-generator) - [Salt Length Recommender](https://top10k.com/tool/salt-length-recommender) - [Shannon Entropy Password Checker](https://top10k.com/tool/shannon-entropy-password): Calculates the Shannon entropy (in bits) of a password to estimate its randomness and strength, showing character set analysis. - [SSH Key Pair Generator](https://top10k.com/tool/ssh-key-pair-generator): Generate Ed25519 or RSA SSH key pairs entirely in your browser. Never sends private keys to any server. - [UUID Generator](https://top10k.com/tool/uuid-generator): Generate UUID v1, v4, v7 (time-ordered), and NIL UUIDs. Bulk-generate up to 1000 at once with multiple format options. All generation is client-side using the Web Crypto API. - [X-Frame-Options Generator](https://top10k.com/tool/x-frame-options-generator) - [XOR Cipher Tool](https://top10k.com/tool/xor-cipher-tool): Encrypts and decrypts text using XOR bitwise operation with a text or hex key. Shows hex and base64 output and warns when the key is shorter than the plaintext, illustrating key-reuse weakness. ## Generators (175) - [Alien Name Generator](https://top10k.com/tool/alien-name-generator): Generate random alien names for sci-fi writing, tabletop RPGs, and games. Choose a species style, harsh/guttural, melodic/liquid, insectoid/clicking, or robotic/synthetic, and generate a batch at o… - [Android Name Generator](https://top10k.com/tool/android-name-generator) - [Angel Name Generator](https://top10k.com/tool/angel-name-generator): Generate random angel names in a Biblical or celestial/ethereal style, pick how many to create at once, and copy each name with one click. - [Baby Name Generator](https://top10k.com/tool/baby-name-generator): Generate baby name ideas with meaning and origin. Filter by gender, origin, starting letter, and length to find the perfect name. - [Band Name Generator](https://top10k.com/tool/band-name-generator): Generates random band and music-group name ideas across configurable genre vibes (rock, indie, metal, pop, punk, electronic, and more) with a click-to-regenerate button. - [Barbarian Name Generator](https://top10k.com/tool/barbarian-name-generator): Generate random fantasy barbarian and warrior names from curated name parts. Choose gender and naming style, then copy your favorite name. - [Bard Name Generator](https://top10k.com/tool/bard-name-generator): Generate random fantasy bard and musician names with an optional stage name. Pick a gender, choose how many names you want, then copy them for D&D, novels, or games. - [Bird Name Generator](https://top10k.com/tool/bird-name-generator): Pick a bird type, such as parrot, canary, finch, cockatiel, or generic, and a style, such as cute, colorful, or classic, to generate a batch of pet bird name ideas. Copy any name with one click. - [Blog Name Generator](https://top10k.com/tool/blog-name-generator) - [Brand Name Generator](https://top10k.com/tool/brand-name-generator): Generate short, invented brand name ideas by picking a vibe and a length. Names are built from phonetic syllable blocks, not real word combinations, so every result is a unique, brandable, domain-f… - [Business Name Generator](https://top10k.com/tool/business-name-generator): Generate unique business name ideas for any industry. Pick your industry, enter optional keywords, choose a naming style, and get 12 creative name suggestions using combinatorial patterns like pref… - [Castle Name Generator](https://top10k.com/tool/castle-name-generator): Generate random fantasy and medieval castle names by theme, grand, gothic, coastal, mountain, or ruined, with an optional epithet. Copy one name or a full batch list. - [Cat Name Generator](https://top10k.com/tool/cat-name-generator): Generate random cat name ideas with optional filters for gender, personality, and theme, such as food-inspired, royal, or mythical. Copy any name with one click. - [Celtic Name Generator](https://top10k.com/tool/celtic-name-generator): Generate random Celtic and Gaelic-style names with an Irish, Scottish, or Welsh flavor. Pick a region, gender, and quantity for characters, stories, or usernames. - [Centaur Name Generator](https://top10k.com/tool/centaur-name-generator): Generate random fantasy centaur names from curated name parts. Choose gender and naming style, then copy your favorite name. - [Clan Name Generator](https://top10k.com/tool/clan-name-generator): Generate random clan, guild, and tribe names for games and fiction. Pick a style, click generate, and get a fresh batch of names instantly. - [Cyberpunk Name Generator](https://top10k.com/tool/cyberpunk-name-generator): Generate cyberpunk character names for fiction and tabletop or video games: street names, corp employee names, and netrunner handles. - [Dark Elf Name Generator](https://top10k.com/tool/dark-elf-name-generator): Generate random dark elf and drow names for tabletop RPGs, fantasy fiction, and video games, with gender options and a drow house name. - [Data Matrix Generator](https://top10k.com/tool/data-matrix-generator): Generate a scannable Data Matrix (ECC 200) 2D code from any text or URL, right in your browser. Download the result as a PNG for small-part marking, electronics, or pharma labels. - [Decision Wheel Spinner](https://top10k.com/tool/decision-wheel-spinner): Enter a list of options and spin a colorful wheel to pick one at random. Uses cryptographically secure randomness for fair, unbiased results. Great for games, group decisions, classroom activities,… - [Demon Name Generator](https://top10k.com/tool/demon-name-generator): Generate random demon names for fiction, tabletop RPGs, and games. Choose a harsh/guttural or archaic/infernal style, set how many names to generate, and copy any name with one click. - [DJ Name Generator](https://top10k.com/tool/dj-name-generator): Generates random DJ and electronic-music stage name ideas across configurable genre flavors (house, techno, trance, dubstep, drum & bass, hardstyle, and more) with a click-to-regenerate button. - [Dog Name Generator](https://top10k.com/tool/dog-name-generator): Pick breed size, gender, and style, such as classic, funny, food-inspired, or royal, and generate a batch of dog name ideas for a new puppy or rescue. Copy any name with one click. - [Dragon Name Generator](https://top10k.com/tool/dragon-name-generator): Generate random fantasy dragon names by element type — fire, ice, storm, or shadow — with an optional epithet and one-click copy. - [Druid Name Generator](https://top10k.com/tool/druid-name-generator): Generate random fantasy druid names with an earthy, Celtic-inspired sound. Pick a gender, add a nature-themed epithet, choose how many names you want, then copy them. - [Dummy Image Generator](https://top10k.com/tool/dummy-image-generator): Generate placeholder images of any size and color for web development and design mockups. Download as PNG or copy the data URL instantly. - [Dungeon Name Generator](https://top10k.com/tool/dungeon-name-generator): Generate random fantasy dungeon and lair names like "The Sunken Crypt" or "The Ossuary of Whispers" for tabletop RPGs and fiction, with a theme selector and one-click copy. - [Dwarf Name Generator](https://top10k.com/tool/dwarf-name-generator): Generate random fantasy dwarf names from curated name parts. Choose gender and naming style, then copy your favorite name. - [EAN 13 Barcode Generator](https://top10k.com/tool/ean-13-barcode-generator): Generate scannable EAN-13 retail barcodes from a 12 or 13-digit product number, with automatic mod-10 check-digit calculation. Download the result as a PNG. - [Egyptian Name Generator](https://top10k.com/tool/egyptian-name-generator): Generate ancient Egyptian-style names using real theophoric naming conventions (deity elements like Amun, Ra, Thoth, and Ptah paired with attested epithets), with a gender option and one-click copy. - [Elf Name Generator](https://top10k.com/tool/elf-name-generator): Generate random fantasy elf names by gender and style — wood elf, high elf, or dark elf — with an optional surname and one-click copy. - [Email QR Code Generator](https://top10k.com/tool/email-qr-code-generator): Generate a scannable QR code that opens the user's email client with a pre-filled recipient address, subject, and body (mailto: URI) when scanned, with PNG download. - [Empire Name Generator](https://top10k.com/tool/empire-name-generator): Generate random imperial empire names by flavor — Roman, Byzantine, or galactic sci-fi — with an optional ruling title and one-click copy. - [AES Encryption Key Generator](https://top10k.com/tool/encryption-key-generator): Generates cryptographically secure 128-bit, 192-bit, and 256-bit AES keys using the Web Crypto API, displayed in hex and Base64 formats. - [Event QR Code Generator](https://top10k.com/tool/event-qr-code-generator): Generate a scannable QR code that adds an event straight to a phone calendar. Enter a title, location, start/end time, and description, then encode it as an iCalendar VEVENT and download the QR cod… - [Fairy Name Generator](https://top10k.com/tool/fairy-name-generator): Generate random fantasy fairy names from curated name parts. Choose gender and naming style, then copy your favorite name. - [Fake Address Generator](https://top10k.com/tool/fake-address-generator) - [Fake Company Generator](https://top10k.com/tool/fake-company-generator) - [Fake Company Name Generator](https://top10k.com/tool/fake-company-name-generator): Generates plausible-sounding fictional company names across tech, finance, retail, and consulting industries for use in mockups and test data. - [Fake Credit Card Number Generator](https://top10k.com/tool/fake-credit-card-generator): Generates Luhn-valid test credit card numbers for Visa, Mastercard, Amex, and Discover — clearly labeled as fake/test numbers for development purposes only. - [Fake Email Address Generator](https://top10k.com/tool/fake-email-generator): Generates plausible-looking fake email addresses using example.com / example.org safe-test domains for testing forms and seeding databases. - [Fake IBAN Generator](https://top10k.com/tool/fake-iban-generator): Generates structurally valid but fictitious IBAN numbers for testing purposes, supporting multiple country formats. - [Fake IP Address Generator](https://top10k.com/tool/fake-ip-address-generator): Generate random IPv4 and IPv6 addresses for testing and development, with options for private/public ranges and bulk generation. - [Fake Latitude / Longitude Generator](https://top10k.com/tool/fake-latitude-longitude) - [Fake License Plate Generator](https://top10k.com/tool/fake-license-plate): Generates fictional license plate numbers matching US state and select country formats for testing, design mockups, and creative projects. - [Fake MAC Address Generator](https://top10k.com/tool/fake-mac-address-generator): Generate random MAC addresses for testing in multiple formats: colon-separated, hyphen-separated, and Cisco dotted notation. Includes optional vendor OUI presets. - [Fake Name Generator](https://top10k.com/tool/fake-name-generator) - [Full Fake Identity Generator](https://top10k.com/tool/fake-name-generator-full) - [Fake Passport Data Generator](https://top10k.com/tool/fake-passport-generator) - [Fake Phone Number Generator](https://top10k.com/tool/fake-phone-number-generator): Generates fictional phone-number examples in US, UK, and international formats for UI mockups and format validation. - [Fake SSN Generator (US)](https://top10k.com/tool/fake-ssn-generator) - [Fake User-Agent Generator](https://top10k.com/tool/fake-user-agent-generator): Generates realistic browser user-agent strings for Chrome, Firefox, Safari, Edge, and mobile browsers, with bulk generation and copy support. - [Fake Username Generator](https://top10k.com/tool/fake-username-generator): Generate random realistic usernames using adjective+noun combos, leetspeak variations, and number suffixes. Copy individual usernames or export a bulk list. - [UUID List Generator](https://top10k.com/tool/fake-uuid-list): Generates a list of N UUID v4 identifiers using the Web Crypto API, with options for uppercase, braces format, and one-per-line or comma-separated output. - [Fantasy City Name Generator](https://top10k.com/tool/fantasy-city-name-generator): Generate random fantasy city names like "Ravenhaven" or "The Free City of Stonemere" for D&D, novels, and worldbuilding, with grand-title and cardinal-prefix style options. - [Fantasy Surname Generator](https://top10k.com/tool/fantasy-surname-generator): Generate invented fantasy surnames for tabletop RPG and fiction characters, built from compound and patronymic word parts like "Ironforge" and "Stormborn", not real-world last names. - [Fantasy Town Name Generator](https://top10k.com/tool/fantasy-town-name-generator): Generates random fantasy town and village names for D&D, worldbuilding, and novels, with adjustable region style and a regenerate/copy interface. - [Fish Name Generator](https://top10k.com/tool/fish-name-generator): Generate name ideas for a pet fish, such as a betta or goldfish, with optional filters for species and style, from punny to colorful to classic. Copy any name with one click. - [Galaxy Name Generator](https://top10k.com/tool/galaxy-name-generator): Generate random sci-fi galaxy and star-system names by naming style — classical, alien, cosmic, or mythic — with an optional catalog designation and one-click copy. - [Gamertag Generator](https://top10k.com/tool/gamertag-generator): Generate random gaming usernames from adjective+noun+number combos and leetspeak-style variants, with a copy button on every result. Platform-agnostic, works for any game or console. - [Giant Name Generator](https://top10k.com/tool/giant-name-generator): Generate random fantasy giant names for tabletop RPGs and fiction writing. Choose male, female, or any gender, pick a style like Frost, Fire, Stone, or Storm, and get an optional epithet. - [Gnome Name Generator](https://top10k.com/tool/gnome-name-generator): Generate random fantasy gnome names for tabletop RPGs, D&D characters, and fiction writing. Choose male, female, or any gender, with an optional clan name. - [Goblin Name Generator](https://top10k.com/tool/goblin-name-generator): Generate random fantasy goblin names from short, snappy, mischievous-sounding syllable combos. Choose gender and tribe style, then generate a batch of names at once. - [Greek Name Generator](https://top10k.com/tool/greek-name-generator): Generate authentic ancient Greek names using real attested naming patterns such as -os, -on, and -ias endings, with a male, female, or patronymic option and one-click copy. - [Half Elf Name Generator](https://top10k.com/tool/half-elf-name-generator): Generate random half-elf names for tabletop RPGs, fantasy fiction, and video games, with gender options and a choice of elven or human-style surname. - [Hamster Name Generator](https://top10k.com/tool/hamster-name-generator): Generate random hamster name ideas with optional filters for gender and style, such as cute, food-themed, or tiny-and-fierce. Copy any name with one click. - [Hero Name Generator](https://top10k.com/tool/hero-name-generator): Generate random hero names for general fiction, fantasy, and myth — knights, wandering adventurers, guardians, and chosen-one protagonists. Not comic-superhero specific. - [Hobbit Name Generator](https://top10k.com/tool/hobbit-name-generator): Generate random Tolkien-inspired Hobbit names, a homely first name plus a Shire-style surname, with one click and instant copy. - [Horse Name Generator](https://top10k.com/tool/horse-name-generator): Pick a gender, such as mare, stallion, or gelding, and a style, such as elegant, racing, western, or pony, and generate a batch of horse name ideas. Copy any name with one click. - [ISBN-13 Generator](https://top10k.com/tool/isbn-generator): Generates valid ISBN-13 numbers with correct check digit calculation, with optional ISBN-10 display. - [Island Name Generator](https://top10k.com/tool/island-name-generator): Generate random fictional island names for maps, RPGs, and novels. Pick a style, click generate, and copy the result. - [Kingdom Name Generator](https://top10k.com/tool/kingdom-name-generator): Generate random fantasy kingdom and realm names by style — noble, dark, elemental, or mystical — with an optional title format and one-click copy. - [Knight Name Generator](https://top10k.com/tool/knight-name-generator): Generate random fantasy knight names like "Sir Aldric the Bold" with a reroll button and one-click copy. - [Last Name Generator](https://top10k.com/tool/last-name-generator): Generate random realistic last names (surnames) with style filters like English, American, Irish, Scottish, German, and Italian. Batch generate and copy results instantly. - [Location QR Code Generator](https://top10k.com/tool/location-qr-code-generator): Generate a scannable QR code encoding a map location. Enter latitude/longitude or a place name, choose a geo: URI or Google Maps link, and download the QR code as a PNG. - [Lottery Number Generator](https://top10k.com/tool/lottery-number-generator): Generate cryptographically strong random picks for Powerball, Mega Millions, EuroMillions, Oz Lotto, 6/49, and Pick 3/Pick 4 daily digit games. - [Luhn Number Generator](https://top10k.com/tool/luhn-number-generator): Generates Luhn algorithm-valid numbers of a configurable length, used for testing credit card validation, account numbers, and other check-digit schemes. - [Mecha Name Generator](https://top10k.com/tool/mecha-name-generator): Generate random names for mecha and giant-robot fiction and gaming: unit designations, pilot callsigns, and mech model names. Pick a type and quantity, then generate a batch at once. - [Medieval Name Generator](https://top10k.com/tool/medieval-name-generator): Generate random medieval European first and last names for peasants, nobles, and knights, with adjustable social class, gender, and batch quantity. - [Mermaid Name Generator](https://top10k.com/tool/mermaid-name-generator): Generate random fantasy mermaid and merman names for fiction writing, tabletop RPGs, and games. Choose female, male, or any gender, pick an ocean-themed style like Siren, Coral, Abyssal, Tidal, or … - [Middle Name Generator](https://top10k.com/tool/middle-name-generator): Generate random middle names by gender and style, or pair one with an existing first name for sound and flow. Click to copy, or generate a batch at once. - [Minotaur Name Generator](https://top10k.com/tool/minotaur-name-generator): Generate random fantasy minotaur names in labyrinth-guardian or tribal-warrior style for tabletop RPGs and fiction writing. - [Monster Name Generator](https://top10k.com/tool/monster-name-generator): Generate random fantasy monster names by creature type — beast, undead, aberration, ooze, or fiend — with an optional epithet and one-click copy. - [Necromancer Name Generator](https://top10k.com/tool/necromancer-name-generator): Generate random dark-fantasy necromancer names with an optional epithet or title. Pick a gender, choose how many names you want, then copy them for D&D, novels, or games. - [Nickname Generator](https://top10k.com/tool/nickname-generator): Generate casual nickname ideas from a real first name using syllable-based diminutives, playful suffixes, and letter-swap variants. - [Ninja Name Generator](https://top10k.com/tool/ninja-name-generator): Generate ninja-style character names: stealth codenames, shinobi character names, or ninja clan names for fiction, games, or usernames. - [Norse Name Generator](https://top10k.com/tool/norse-name-generator): Generate authentic Old Norse names built from real naming conventions: a first name, an optional patronymic or matronymic surname, and an optional byname (epithet). - [Orc Name Generator](https://top10k.com/tool/orc-name-generator): Generate random fantasy orc names from harsh, guttural syllable combos. Choose gender and clan style, then generate a batch of names at once. - [Paladin Name Generator](https://top10k.com/tool/paladin-name-generator): Generate noble, holy-knight fantasy paladin names for tabletop RPGs and fiction, with a quantity selector and regenerate/copy controls. - [PayPal QR Code Generator](https://top10k.com/tool/paypal-qr-code-generator): Generate a scannable QR code from a PayPal.Me link, with an optional preset amount and currency, entirely in your browser. - [PDF417 Barcode Generator](https://top10k.com/tool/pdf417-barcode-generator): Generate scannable PDF417 stacked 2D barcodes from any text instantly in your browser. Download the barcode as a PNG image with one click. - [Pen Name Generator](https://top10k.com/tool/pen-name-generator): Generates random author and writer pseudonyms (pen names) across literary, mysterious, genre-fiction, classic, and poetic styles, with a full-name or initials format and a click-to-regenerate button. - [Phone QR Code Generator](https://top10k.com/tool/phone-qr-code-generator): Generate a scannable QR code that opens the phone dialer pre-filled with a phone number (tel: URI) when scanned, with PNG and SVG download. - [Pirate Name Generator](https://top10k.com/tool/pirate-name-generator): Generate random pirate names for fiction, roleplay, and games. Pick a rank, gender, and whether to include a nickname, then copy any name with one click. - [Pirate Ship Name Generator](https://top10k.com/tool/pirate-ship-name-generator): Generate random pirate ship names by style — menacing, comedic, or classic — with a count selector and one-click copy. - [Placeholder Text Generator](https://top10k.com/tool/placeholder-text-generator): Generates Lorem Ipsum or random placeholder text of a specified length in words, sentences, or paragraphs. - [Planet Name Generator](https://top10k.com/tool/planet-name-generator): Generate random sci-fi and fantasy planet names by style — alien, classical, or gas giant — with a count selector and one-click copy. - [Podcast Name Generator](https://top10k.com/tool/podcast-name-generator): Generate podcast name ideas by topic and style, with a matching tagline for every show title. Compare catchy, professional, storytelling, and interview names. - [QR Code Generator](https://top10k.com/tool/qr-code): Generate QR codes for URLs, plain text, Wi-Fi credentials, and bank transfers. Customize and download your QR code instantly. - [Rabbit Name Generator](https://top10k.com/tool/rabbit-name-generator): Generate random pet rabbit name ideas with optional filters for gender and style, such as fluffy, tiny, or floppy-eared. Copy any name with one click. - [Random Bingo Number Generator](https://top10k.com/tool/random-bingo-number): Generate random bingo numbers (B1-B15, I16-I30, N31-N45, G46-G60, O61-O75) with full call history tracking and reset. Perfect for hosting bingo nights at home, in classrooms, or at events. - [Random Coordinates Generator](https://top10k.com/tool/random-coordinates) - [Random Country Picker](https://top10k.com/tool/random-country-picker): Picks a random country from the world, showing its name, capital, continent, and country code. - [Random Date Generator](https://top10k.com/tool/random-date-generator): Generate N random dates within a configurable date range. Choose ISO 8601, US (MM/DD/YYYY), or European (DD/MM/YYYY) output format. Useful for test data, sampling, and scheduling tasks. - [Random Day of Week Picker](https://top10k.com/tool/random-day-of-week): Picks a random day of the week, showing its number position (1–7) and whether it is a weekday or weekend. - [Random Emoji Picker](https://top10k.com/tool/random-emoji-picker): Picks one or more random Unicode emoji from a curated set, with category filter and copy-to-clipboard. All text-based, no images. - [Random Fact Generator](https://top10k.com/tool/random-fact-generator): Displays a random interesting fact from a curated list of 100+ facts across science, history, nature, and culture categories, with category filter and copy button. - [Random Group Generator](https://top10k.com/tool/random-group-generator): Paste a list of names or items, choose the number of groups or group size, and instantly get randomly shuffled, balanced groups using a cryptographically secure Fisher-Yates shuffle. - [Random Hex Generator](https://top10k.com/tool/random-hex-generator) - [Random IP Generator](https://top10k.com/tool/random-ip-generator): Generates random IPv4 and IPv6 addresses, with options for public-only, private ranges, and custom quantity. - [Random Letter Generator](https://top10k.com/tool/random-letter-generator) - [Random Letter Picker](https://top10k.com/tool/random-letter-picker): Pick one or more random letters from the English alphabet. Restrict to vowels or consonants, choose uppercase, lowercase, or mixed case, allow or disallow repeated letters, or supply a custom lette… - [Random MAC Address Generator](https://top10k.com/tool/random-mac-address-generator): Generate one or more random MAC addresses with full control over format (colon, hyphen, dot), letter case, and the locally administered and multicast bits in the first octet. - [Random Month Picker](https://top10k.com/tool/random-month-picker): Picks a random month name from the calendar with its number and season. - [Random Name Generator](https://top10k.com/tool/random-name-generator) - [Random Number Generator](https://top10k.com/tool/random-number-generator): Generate cryptographically random numbers, integers, decimals, lists, or unique picks within any range. Useful for lotteries, raffles, simulations, and testing. - [Random Password Generator](https://top10k.com/tool/random-password-generator): Generate cryptographically secure random passwords using WebCrypto with configurable length, uppercase, lowercase, digits, and symbol character sets. - [Random Picker](https://top10k.com/tool/random-picker): Pick one or more random items from a user-supplied list. Supports allowing or preventing duplicates, adjustable pick count, and instant copy. - [Random PIN Code Generator](https://top10k.com/tool/random-pin-code) - [Random Question Generator](https://top10k.com/tool/random-question-generator): Generates random questions across categories including icebreakers, trivia, deep thinking, and would-you-rather for conversations, games, and team building. - [Random Quote Generator](https://top10k.com/tool/random-quote-generator): Get a random famous quote from a curated bank of 150+ quotes. Filter by category — Motivation, Wisdom, Life, Success, Humor, Love, or Leadership — then copy or tweet your favorite. - [Random String Generator](https://top10k.com/tool/random-string-generator): Generate random strings with configurable length, quantity, and character sets (uppercase, lowercase, digits, symbols). - [Random Team Generator](https://top10k.com/tool/random-team-generator): Paste a list of names, choose a team count or team size, and instantly get fairly shuffled, balanced teams. Uses cryptographically secure randomness. - [Random Time Generator](https://top10k.com/tool/random-time-generator): Generates random clock times in 12-hour and 24-hour formats, with configurable quantity and optional seconds. - [Random Timezone Picker](https://top10k.com/tool/random-timezone): Picks a random IANA timezone from a hardcoded list, showing its UTC offset and current local time. - [Random US State Picker](https://top10k.com/tool/random-us-state): Picks a random US state showing its name, abbreviation, capital, and region. - [Random UUID Generator](https://top10k.com/tool/random-uuid-generator): Generates cryptographically secure random UUID v4 values using the WebCrypto API, with bulk generation and copy support - [Random Word Picker](https://top10k.com/tool/random-word-picker) - [Random Year Picker](https://top10k.com/tool/random-year-picker): Picks one or more random years from a configurable range (e.g. 1900–2100) with options to exclude the current year or future years. - [Ranger Name Generator](https://top10k.com/tool/ranger-name-generator): Generate random fantasy ranger names with a woodland, scout-tracker sound. Pick a gender, add a scout epithet, choose how many names you want, then copy them. - [Rapper Name Generator](https://top10k.com/tool/rapper-name-generator): Generates random rapper and hip-hop stage name ideas across configurable vibes (trap, old school, drill, gangsta, mumble, and more) with a click-to-regenerate button. - [Realm Name Generator](https://top10k.com/tool/realm-name-generator): Generate random fantasy realm and kingdom names by style — Elvish, Nordic, Dark, or Classic — with an optional title suffix and one-click copy. - [Restaurant Name Generator](https://top10k.com/tool/restaurant-name-generator): Generate restaurant, cafe, and eatery name ideas by cuisine or style. Pick a style, add optional keywords, and get a fresh batch of names with one-click copy. - [Robot Name Generator](https://top10k.com/tool/robot-name-generator): Generate random robot and AI character names for sci-fi writing, games, and robotics projects. Choose a style, military designation codes, friendly companion-bot names, or cold clinical AI designat… - [Roman Name Generator](https://top10k.com/tool/roman-name-generator): Generate authentic ancient Roman names using the real tria nomina structure (praenomen, nomen, cognomen), with a gender option and one-click copy. - [Sample CSV Generator](https://top10k.com/tool/sample-csv-generator): Generates realistic sample CSV data with preset schemas (Users, Products, Orders) or custom columns, downloadable as a .csv file, entirely in the browser. - [Sample CSV Data Generator](https://top10k.com/tool/sample-data-csv-generator): Generates CSV files with configurable fake data columns (name, email, phone, date, number, etc.) and a user-specified row count - [Sample JSON Data Generator](https://top10k.com/tool/sample-json-generator): Generates JSON arrays with configurable fake data fields (id, name, email, age, address, etc.) and a user-specified record count. - [Samurai Name Generator](https://top10k.com/tool/samurai-name-generator): Generate random Japanese samurai-style names by combining clan surnames with given names, with an optional honorific title. Copy one name or the full list. - [Season Generator](https://top10k.com/tool/season-generator): Identifies the astronomical or meteorological season for a given date, supporting both Northern and Southern hemisphere. - [Secure Token Generator](https://top10k.com/tool/secure-token-generator): Generates cryptographically secure random tokens using the Web Crypto API, outputting in hex, Base64, or URL-safe Base64 format with configurable byte length. - [SMS QR Code Generator](https://top10k.com/tool/sms-qr-code-generator): Generate a scannable QR code that opens the phone messaging app with a phone number and an optional pre-written text already filled in. Downloads as a PNG. - [Sorcerer Name Generator](https://top10k.com/tool/sorcerer-name-generator): Generate random fantasy sorcerer names by gender and magic style — elemental, arcane, or shadow — with an optional epithet and one-click copy. - [Space Marine Name Generator](https://top10k.com/tool/space-marine-name-generator): Generate random sci-fi space-marine names: first name plus surname, with an optional chapter/company designation and a radio-style callsign. Pick a batch size, regenerate, and copy. - [Spaceship Name Generator](https://top10k.com/tool/spaceship-name-generator): Generate random sci-fi spaceship and starship names by class type — warship, explorer, freighter, or scout — with a count selector and one-click copy. - [Spell Name Generator](https://top10k.com/tool/spell-name-generator): Generate random fantasy spell names by school of magic, fire, ice, arcane, healing, or curse, like "Frostbind Nova" or "Ember Warden's Wrath", with one-click copy. - [Stage Name Generator](https://top10k.com/tool/stage-name-generator): Generates stage names and performer aliases for musicians, actors, dancers, and other performers, with style filters (edgy, elegant, mysterious, bold, classic) and a one-word or two-word name format. - [Starship Name Generator](https://top10k.com/tool/starship-name-generator): Generate random sci-fi starship names by faction — military, exploration, corporate, pirate, or alien — with an optional hull code and one-click copy. - [Startup Name Generator](https://top10k.com/tool/startup-name-generator) - [Streamer Name Generator](https://top10k.com/tool/streamer-name-generator): Generates catchy streamer and gamer handles for Twitch, YouTube Gaming, and Kick across style filters (edgy, cute, pro esports, funny), with an optional keyword to personalize results. - [Superhero Name Generator](https://top10k.com/tool/superhero-name-generator): Generate random superhero alter-ego names by theme, with an optional secret identity and signature power. Copy any name with one click. - [Supervillain Name Generator](https://top10k.com/tool/supervillain-name-generator): Generate random supervillain name ideas by style, with an optional dramatic epithet and a signature scheme. Copy any result with one click. - [Tavern Name Generator](https://top10k.com/tool/tavern-name-generator): Generate random fantasy tavern and inn names like "The Drunken Griffin" for tabletop RPGs, novels, and worldbuilding. Pick a quantity, generate, and copy. - [Text QR Code Generator](https://top10k.com/tool/text-qr-code-generator): Generate a scannable QR code from any plain text input, with adjustable size and error-correction level, then download it as a PNG. - [Tribe Name Generator](https://top10k.com/tool/tribe-name-generator): Generate random fantasy and tribal names for RPGs, fiction, and worldbuilding. Pick a biome, generate a batch, and copy the ones you like. - [Troll Name Generator](https://top10k.com/tool/troll-name-generator): Generate random fantasy troll names for tabletop RPGs and fiction writing. Choose male, female, or any gender, with an optional clan or tribe name. - [UPC A Barcode Generator](https://top10k.com/tool/upc-a-barcode-generator): Generate a scannable UPC-A retail barcode from an 11 or 12-digit product number with correct mod-10 check-digit calculation. Download as PNG. - [UPI QR Code Generator](https://top10k.com/tool/upi-qr-code-generator): Generate a scannable UPI payment QR code from a UPI ID, payee name, and optional amount or note, entirely in your browser. - [URL QR Code Generator](https://top10k.com/tool/url-qr-code-generator): Generate a scannable QR code that opens any URL when scanned, with size and error-correction level options and a PNG download button. - [UUID v5 Generator](https://top10k.com/tool/uuid-v5-generator): Generates namespace-based UUID v5 identifiers using SHA-1 hashing of a namespace UUID and name string. - [Vampire Name Generator](https://top10k.com/tool/vampire-name-generator): Generate random vampire names for fiction, tabletop RPGs, and games. Choose Old World, Noble Court, or Nightborn style, add a title or surname, and copy any name with one click. - [vCard QR Code Generator](https://top10k.com/tool/vcard-qr-code-generator): Generate a scannable QR code that encodes a vCard contact (name, phone, email, company) so scanning it saves the contact directly to a phone. Includes PNG download. - [Viking Name Generator](https://top10k.com/tool/viking-name-generator): Generate random Norse and Viking-style names for men, women, and clans, with an optional patronymic surname and a copy button. - [Village Name Generator](https://top10k.com/tool/village-name-generator): Generate random fantasy and medieval village names with style controls, for tabletop RPGs, novels, and worldbuilding. - [Villain Name Generator](https://top10k.com/tool/villain-name-generator): Generate random villain name ideas for fairy tale, dark fantasy, gothic, pirate, western, and noir crime fiction, with an optional epithet and signature flaw. Copy any result with one click. - [Warlock Name Generator](https://top10k.com/tool/warlock-name-generator): Generate random fantasy warlock names from curated name parts. Choose gender and patron style, then copy your favorite name. - [Warrior Cat Name Generator](https://top10k.com/tool/warrior-cat-name-generator): Generate Clan cat names in the prefix-plus-suffix style used by the Warriors book series, with the suffix changing by Clan rank: kit, apprentice, warrior, medicine cat, or leader. - [Werewolf Name Generator](https://top10k.com/tool/werewolf-name-generator): Generate random werewolf and lycan character names: a given name, pack name, human alias, and moon-themed epithet for fiction, RPGs, and D&D. - [WhatsApp QR Code Generator](https://top10k.com/tool/whatsapp-qr-code-generator): Generate a scannable QR code that opens a WhatsApp click-to-chat conversation with a phone number and an optional prefilled message, with PNG download. - [Wheel Spinner](https://top10k.com/tool/wheel-spinner) - [Wi-Fi QR Code Generator](https://top10k.com/tool/wifi-qr-code-generator): Generate a scannable QR code that lets a phone camera auto-join a Wi-Fi network. Encodes the network name, password, and security type, then downloads as a PNG. - [Witch Name Generator](https://top10k.com/tool/witch-name-generator): Generate a random witch name with a coven name, craft-themed title, and familiar for fantasy writing, RPGs, and D&D characters. - [Wizard Name Generator](https://top10k.com/tool/wizard-name-generator): Generate random fantasy wizard and mage names by gender and style — classic wizard, dark sorcerer, or elemental mage — with an optional title and one-click copy. - [Yes No Generator](https://top10k.com/tool/yes-no-generator): Randomly generates a Yes or No answer with an optional percentage bias control. - [YouTube Channel Name Generator](https://top10k.com/tool/youtube-channel-name-generator): Generates brandable YouTube channel name ideas from a topic or niche keyword, with style filters (vlog, gaming, education, entertainment) and a short tagline suggestion for each name. ## Number Tools (67) - [Circle Area Calculator](https://top10k.com/tool/area-circle): Compute circle area and circumference from radius or diameter. Formulas shown step-by-step with a live SVG diagram. - [Area of an Equilateral Triangle Calculator](https://top10k.com/tool/area-of-equilateral-triangle): Calculates the area, perimeter, height, and circumradius of an equilateral triangle from its side length using exact formulas. - [Area of a Parallelogram Calculator](https://top10k.com/tool/area-of-parallelogram): Calculates the area of a parallelogram using base and height (A = base × height), or two sides and an included angle (A = a × b × sin θ). - [Area of a Rectangle Calculator](https://top10k.com/tool/area-of-rectangle): Calculate the area, perimeter, and diagonal of a rectangle from its length and width. - [Area of a Right Triangle Calculator](https://top10k.com/tool/area-of-right-triangle): Calculates the area of a right triangle using base and height (legs), with optional hypotenuse calculation and a visual SVG diagram showing the triangle. - [Area of a Square Calculator](https://top10k.com/tool/area-of-square): Calculate the area, perimeter, and diagonal of a square from its side length, or solve for the side from a known area. - [Area of a Triangle Calculator](https://top10k.com/tool/area-of-triangle): Calculates the area of a triangle using base & height, or three sides (Heron's formula), or two sides & included angle. - [Triangle Area Calculator](https://top10k.com/tool/area-triangle): Computes triangle area using base and height, three sides (Heron's formula), or SAS (two sides and included angle), with the formula shown for each method. - [2:1 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-2-1): Given one dimension (width or height), calculates the other dimension to maintain a 2:1 aspect ratio. Also shows common 2:1 display sizes. - [21:9 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-21-9): Calculates width or height for the 21:9 ultrawide aspect ratio given one dimension. Also supports the closely related 64:27 ratio used by some monitors. - [9:16 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-9-16): Calculates missing width or height dimensions to maintain a 9:16 (portrait/vertical video) aspect ratio. - [Average Calculator](https://top10k.com/tool/average-calculator): Calculates mean, median, mode, range, and standard deviation for a list of numbers entered by the user. - [Base32 to Base36 Converter](https://top10k.com/tool/base32-to-base36): Convert numbers from base-32 encoding to base-36 alphanumeric representation instantly in your browser. - [Base32 to Decimal Converter](https://top10k.com/tool/base32-to-decimal): Converts a Base32 encoded string (RFC 4648 alphabet: A-Z and 2-7) to its decimal (base-10) integer representation. Supports arbitrarily large integers via BigInt. - [Base32 to Octal Converter](https://top10k.com/tool/base32-to-octal): Converts a Base32 encoded string to its octal (base-8) representation. Paste any valid Base32 string and instantly see the decoded bytes as octal digits. - [Base36 to Decimal Converter](https://top10k.com/tool/base36-to-decimal): Convert base-36 alphanumeric numbers to decimal (base-10) instantly. Supports both single values and batch conversion with full step-by-step breakdown. - [Base36 to Hexadecimal Converter](https://top10k.com/tool/base36-to-hexadecimal): Convert base-36 (alphanumeric, digits 0-9 and letters A-Z) numbers to hexadecimal (base-16) instantly in your browser. Supports arbitrarily large integers. - [Base36 to Octal Converter](https://top10k.com/tool/base36-to-octal): Convert base-36 (alphanumeric, digits 0-9 and letters A-Z) numbers to their octal (base-8) representation instantly in your browser. - [Bayes Theorem Calculator](https://top10k.com/tool/bayes-theorem-calculator) - [Binary Calculator](https://top10k.com/tool/binary-calculator): Perform arithmetic and bitwise operations on binary, decimal, octal, and hexadecimal numbers. Supports addition, subtraction, multiplication, integer division, AND, OR, XOR, NOT, left shift, and ri… - [Book Spine Width Calculator](https://top10k.com/tool/book-spine-width-calculator): Calculates the spine width of a perfect-bound book based on page count and paper thickness (PPI), for cover design and printing. - [China Time Zones Overview](https://top10k.com/tool/china-time-zones): Reference page showing China Standard Time (CST, UTC+8) with a live clock, world time comparison table, and business hour overlap guide for major cities. - [Clay Shrinkage Calculator](https://top10k.com/tool/clay-shrinkage-calculator): Calculates wet-to-dry and wet-to-fired shrinkage percentages for pottery clay, so potters can size pieces correctly before firing. - [Conditional Probability Calculator](https://top10k.com/tool/conditional-probability-calculator) - [Crochet Hook Size Converter](https://top10k.com/tool/crochet-hook-converter): Converts crochet hook sizes between US, UK, and metric (mm) systems so crafters can match patterns to their hook collection. - [Crochet Yarn Estimator](https://top10k.com/tool/crochet-yarn-estimator): Estimates yards and meters of yarn needed for common crochet projects such as blankets, scarves, hats, and amigurumi based on project dimensions, yarn weight, and hook size. - [Cross Stitch Fabric Calculator](https://top10k.com/tool/cross-stitch-fabric-calculator): Calculate the fabric dimensions needed for a cross-stitch project based on stitch count and fabric count (Aida or evenweave). - [Dart Calculation (Sewing)](https://top10k.com/tool/dart-calculation): Calculate dart dimensions including intake, length, and placement for sewing garment fitting adjustments. - [Decimal to Fraction Converter](https://top10k.com/tool/decimal-to-fraction): Converts a decimal number to its simplified fraction form, supporting both terminating and repeating decimals. - [Denier to GSM Converter](https://top10k.com/tool/denier-to-gsm) - [Factor Finder](https://top10k.com/tool/factors-finder): Finds all factors (divisors) of a positive integer and identifies which are prime factors. - [Fibonacci Sequence Generator](https://top10k.com/tool/fibonacci-generator): Generates the Fibonacci sequence up to N terms or up to a maximum value, showing each number and its index. - [Fraction Calculator](https://top10k.com/tool/fraction-calculator): Add, subtract, multiply, or divide any two fractions or mixed numbers instantly. Returns the fully simplified result as a fraction and mixed number, the decimal equivalent, and a complete step-by-s… - [Fraction to Decimal Converter](https://top10k.com/tool/fraction-to-decimal): Converts any fraction (numerator/denominator) to its decimal equivalent, showing the full result and whether it is terminating or repeating. - [Gold Purity Calculator](https://top10k.com/tool/gold-purity-calculator): Converts between karat, millesimal fineness, and gold percentage; calculates pure gold weight and value for jewelry pieces. - [Hyperfocal Distance Calculator](https://top10k.com/tool/hyperfocal-distance-calculator): Calculates hyperfocal distance, near/far depth-of-field limits for a camera lens given focal length, aperture, and sensor circle-of-confusion. - [Karat to Gold Percentage Converter](https://top10k.com/tool/karat-to-percentage): Convert gold karat values (1–24K) to purity percentage and millesimal fineness. Includes a full reference table of all karat marks used worldwide. - [Knitting Gauge Calculator](https://top10k.com/tool/knitting-gauge-calculator): Calculates knitting gauge adjustments — converts between stitch and row counts and needle sizes so knitters can match patterns accurately. - [LCM and GCD Calculator](https://top10k.com/tool/lcm-gcd-calculator): Enter 2 to 10 positive integers and instantly compute their Greatest Common Divisor (GCD), Least Common Multiple (LCM), the prime factorization of each number, and a pairwise GCD table when three o… - [Logarithm Calculator](https://top10k.com/tool/log-calculator): Compute log base 2, log base 10, natural log (ln), or any custom base. Each result shows the change-of-base formula (ln x / ln b) so you can follow the steps. - [MOA to Mil Converter](https://top10k.com/tool/moa-to-mil-converter): Convert Minutes of Angle (MOA) to milliradians (Mil/MRAD) and back, used for rifle scope adjustments and long-range shooting. - [Modulo Calculator](https://top10k.com/tool/modulo-calculator): Calculates the remainder of a division (a mod b), with step-by-step explanation and support for both positive and negative integers. - [Number Base Converter](https://top10k.com/tool/number-base-converter): Convert any integer between bases 2 and 36 with full BigInt precision. Enter a number in any source base, and instantly see its value in binary, octal, decimal, hexadecimal, and any custom target b… - [Octal to Binary Converter](https://top10k.com/tool/octal-to-binary): Converts octal (base-8) numbers to binary (base-2) representation instantly. Supports single values and batch conversion with step-by-step breakdown. - [Octal to Decimal Converter](https://top10k.com/tool/octal-to-decimal): Convert octal (base-8) numbers to decimal (base-10) instantly in your browser. Supports single values, batch conversion of multiple numbers, and shows a step-by-step breakdown of the conversion pro… - [Octal to Hexadecimal Converter](https://top10k.com/tool/octal-to-hexadecimal): Converts octal (base-8) numbers to hexadecimal (base-16) representation instantly. - [Pattern Scaling Calculator](https://top10k.com/tool/pattern-scaling-calculator): Scale sewing or knitting pattern measurements by a custom ratio. Resize any pattern to a different size or gauge in seconds. - [Percentage Calculator](https://top10k.com/tool/percentage): Calculate percentages instantly with 4 modes: percent of a number, what percent is X of Y, percent change between two values, and add or subtract a percentage. - [Percentage Change Calculator](https://top10k.com/tool/percentage-change-calculator): Calculate percentage change between two values, find what percentage X is of Y, or compute what a given percentage of a number is. Shows increase or decrease, absolute change, and ratio with full f… - [Perimeter of an Equilateral Triangle Calculator](https://top10k.com/tool/perimeter-of-equilateral-triangle) - [Perimeter of a Right Triangle Calculator](https://top10k.com/tool/perimeter-of-right-triangle): Calculates the perimeter of a right triangle from two legs using the Pythagorean theorem. - [Perimeter of a Square Calculator](https://top10k.com/tool/perimeter-of-square): Calculate the perimeter of a square from its side length, or find the side length from a known perimeter. - [Perimeter of a Triangle Calculator](https://top10k.com/tool/perimeter-of-triangle): Calculates the perimeter of a triangle given all three side lengths, or finds the missing side given the perimeter and two sides. - [Pot Odds Calculator](https://top10k.com/tool/pot-odds-calculator): Calculate poker pot odds, the minimum equity required to call profitably, and whether a call is mathematically correct given the current pot size and bet amount. - [Prime Number Checker](https://top10k.com/tool/prime-checker): Instantly determine whether any positive integer up to 1,000,000,000,000,000 (10^15) is a prime number. If the number is composite, the tool returns its complete prime factorization with exponents … - [Probability Union Calculator](https://top10k.com/tool/probability-union-calculator) - [Proportion Solver](https://top10k.com/tool/proportion-solver): Solves for the missing value in a proportion equation (A/B = C/D) using cross-multiplication. Enter any three values and instantly find the fourth, with a clear step-by-step solution shown. - [Quadratic Equation Solver](https://top10k.com/tool/quadratic-equation-solver): Solve any quadratic equation of the form ax² + bx + c = 0 instantly. Enter the three coefficients and this free online quadratic equation solver returns both roots (real or complex), the discrimina… - [Quilt Binding Calculator](https://top10k.com/tool/quilt-binding-calculator): Calculates the total length of binding fabric needed for a quilt given its dimensions and binding strip width. - [Ratio Calculator](https://top10k.com/tool/ratio-calculator): Simplifies ratios to lowest terms, calculates equivalent ratios, and solves for missing values in a proportion (A:B = C:?). - [Roman Numeral Converter](https://top10k.com/tool/roman-numeral-converter): Convert Arabic numerals (1-3,999,999) to Roman numerals and back with full support for vinculum notation (overlines) for large numbers. - [Rounding Calculator](https://top10k.com/tool/rounding-calculator): Rounds numbers to a specified number of decimal places using standard, floor, ceiling, or truncation rounding modes. - [Square Root Calculator](https://top10k.com/tool/square-root-calculator): Computes the square root of any non-negative number, showing both exact simplified radical form (when possible) and decimal result. - [Statistics Calculator](https://top10k.com/tool/statistics-calculator): Paste or type a list of numbers (comma, space, or newline separated) and instantly compute descriptive statistics: count, sum, mean, median, mode, range, min, max, sample and population variance, s… - [SVGA Resolution Reference](https://top10k.com/tool/svga-resolution-reference): Reference card for the SVGA (800x600) display standard showing total pixel count, aspect ratio (4:3), PPI at common screen sizes, and a comparison table against other legacy and modern resolutions. - [Tex to Denier Converter](https://top10k.com/tool/tex-to-denier): Converts textile yarn linear density between Tex, Denier, and Decitex (dtex) units; includes a quick-reference table for common yarn counts and fiber types. - [Moving Truck Size Calculator](https://top10k.com/tool/truck-size-for-move): Recommends the right moving truck size (cargo van through 26 ft) based on home size, number of rooms, and furniture inventory. ## Date & Time (423) - [1 Hour Timer](https://top10k.com/tool/1-hour-timer): A countdown timer preset to 1 hour (60 minutes) with start, pause, and reset controls, plus an audible beep and flashing on-screen alert when it reaches zero. - [1 Minute Timer](https://top10k.com/tool/1-minute-timer): A simple countdown timer preset to 1 minute. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [10 Hour Timer](https://top10k.com/tool/10-hour-timer): Countdown timer preset to 10 hours with start, pause, and reset controls plus an audible and visual alert when it reaches zero. Useful for long shifts, sleep tracking, or extended tasks. - [10 Minute Timer](https://top10k.com/tool/10-minute-timer): A simple countdown timer preset to 10 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [10 Second Timer](https://top10k.com/tool/10-second-timer): A simple countdown timer preset to 10 seconds. Start it with one click and get a visual countdown plus a flashing on-screen alert when it hits zero. - [11 Hour Timer](https://top10k.com/tool/11-hour-timer): A countdown timer preset to 11 hours with adjustable duration, presets for long shifts, overnight flights, and sleep tracking, plus a visual progress ring and an alert when it hits zero. - [11 Minute Timer](https://top10k.com/tool/11-minute-timer): A full-screen countdown timer preset to 11 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [12 Hour Timer](https://top10k.com/tool/12-hour-timer): A countdown timer preset to 12 hours with adjustable duration, presets for fasting windows, overnight cooks, and long flights, plus a visual progress ring and an alert when it hits zero. - [12 Minute Timer](https://top10k.com/tool/12-minute-timer): A full-screen countdown timer preset to 12 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [13 Minute Timer](https://top10k.com/tool/13-minute-timer): A simple countdown timer preset to 13 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [14 Minute Timer](https://top10k.com/tool/14-minute-timer): A simple countdown timer preset to 14 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [15 Minute Timer](https://top10k.com/tool/15-minute-timer): A simple countdown timer preset to 15 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [15 Second Timer](https://top10k.com/tool/15-second-timer): A simple countdown timer preset to 15 seconds. Start it with one click and get a visual countdown plus a flashing on-screen alert when it hits zero. - [16 Minute Timer](https://top10k.com/tool/16-minute-timer): A simple countdown timer preset to 16 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [17 Minute Timer](https://top10k.com/tool/17-minute-timer): A simple countdown timer preset to 17 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [18 Minute Timer](https://top10k.com/tool/18-minute-timer): A simple countdown timer preset to 18 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [19 Minute Timer](https://top10k.com/tool/19-minute-timer): A countdown timer that runs for exactly 19 minutes with start, pause, and reset controls, plus an audible and visual alert when time is up. - [2 Hour Timer](https://top10k.com/tool/2-hour-timer): A full-screen countdown timer preset to 2 hours (120 minutes). Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [2 Minute Timer](https://top10k.com/tool/2-minute-timer): A simple countdown timer preset to 2 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [20 Minute Timer](https://top10k.com/tool/20-minute-timer): A countdown timer that runs for exactly 20 minutes with start, pause, and reset controls, plus an audible and visual alert when time is up. - [20 Second Timer](https://top10k.com/tool/20-second-timer): A simple countdown timer preset to 20 seconds. Start it with one click and get a visual countdown ring plus a flashing on-screen alert and beep when it hits zero. - [21 Minute Timer](https://top10k.com/tool/21-minute-timer): A simple countdown timer preset to 21 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [22 Minute Timer](https://top10k.com/tool/22-minute-timer): A full-screen countdown timer preset to 22 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [23 Minute Timer](https://top10k.com/tool/23-minute-timer): A full-screen countdown timer preset to 23 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [24 Hour Timer](https://top10k.com/tool/24-hour-timer): A countdown timer preset to 24 hours with adjustable duration, presets for fasting and medication cycles, a visual progress ring, and an alert when it reaches zero. - [24 Minute Timer](https://top10k.com/tool/24-minute-timer): A full-screen countdown timer preset to 24 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [25 Minute Timer](https://top10k.com/tool/25-minute-timer): A full-screen countdown timer preset to 25 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [26 Minute Timer](https://top10k.com/tool/26-minute-timer): A full-screen countdown timer preset to 26 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [27 Minute Timer](https://top10k.com/tool/27-minute-timer): A countdown timer preset to 27 minutes, with start, pause, reset, and an audible and visual alert when it reaches zero. - [28 Minute Timer](https://top10k.com/tool/28-minute-timer): A countdown timer preset to 28 minutes, with start, pause, reset, and an audible and visual alert when it reaches zero. - [29 Minute Timer](https://top10k.com/tool/29-minute-timer): A simple client-side countdown timer that counts down from 29 minutes with start, pause, and reset controls and an audible plus visual alert when it reaches zero. - [3 Hour Timer](https://top10k.com/tool/3-hour-timer): A countdown timer preset to 3 hours (180 minutes) with start, pause, and reset controls, plus an audible beep and flashing on-screen alert when it reaches zero. - [3 Minute Timer](https://top10k.com/tool/3-minute-timer): A simple countdown timer preset to 3 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [30 Minute Timer](https://top10k.com/tool/30-minute-timer): A full-screen countdown timer preset to 30 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [30 Second Timer](https://top10k.com/tool/30-second-timer): A simple countdown timer preset to 30 seconds. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [31 Minute Timer](https://top10k.com/tool/31-minute-timer): A simple client-side countdown timer that counts down from 31 minutes with start, pause, and reset controls plus an audible and visual alert at zero. - [32 Minute Timer](https://top10k.com/tool/32-minute-timer): A simple client-side countdown timer that counts down from 32 minutes with start, pause, and reset controls plus an audible and visual alert at zero. - [33 Minute Timer](https://top10k.com/tool/33-minute-timer): A full-screen countdown timer preset to 33 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [34 Minute Timer](https://top10k.com/tool/34-minute-timer): A full-screen countdown timer preset to 34 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [35 Minute Timer](https://top10k.com/tool/35-minute-timer): A full-screen countdown timer preset to 35 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [36 Minute Timer](https://top10k.com/tool/36-minute-timer): A full-screen countdown timer preset to 36 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [37 Minute Timer](https://top10k.com/tool/37-minute-timer): A full-screen countdown timer preset to 37 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [38 Minute Timer](https://top10k.com/tool/38-minute-timer): A full-screen countdown timer preset to 38 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [39 Minute Timer](https://top10k.com/tool/39-minute-timer): A full-screen countdown timer preset to 39 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [4 Hour Timer](https://top10k.com/tool/4-hour-timer): A countdown timer preset to 4 hours (240 minutes) with adjustable length, start/pause/reset controls, presets for shifts, study blocks, slow-cooking, and road trips, plus a beep and flashing alert … - [4 Minute Timer](https://top10k.com/tool/4-minute-timer): A simple countdown timer preset to 4 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [40 Minute Timer](https://top10k.com/tool/40-minute-timer): A full-screen countdown timer preset to 40 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [41 Minute Timer](https://top10k.com/tool/41-minute-timer): A full-screen countdown timer preset to 41 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [42 Minute Timer](https://top10k.com/tool/42-minute-timer): A full-screen countdown timer preset to 42 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [43 Minute Timer](https://top10k.com/tool/43-minute-timer): A full-screen countdown timer preset to 43 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [44 Minute Timer](https://top10k.com/tool/44-minute-timer): A countdown timer that runs for 44 minutes with start, pause, and reset controls, plus an audible and visual alert when time is up. - [45 Minute Timer](https://top10k.com/tool/45-minute-timer): A full-screen countdown timer preset to 45 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [45 Second Timer](https://top10k.com/tool/45-second-timer): A simple countdown timer preset to 45 seconds. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [46 Minute Timer](https://top10k.com/tool/46-minute-timer): A full-screen countdown timer preset to 46 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [47 Minute Timer](https://top10k.com/tool/47-minute-timer): A full-screen countdown timer preset to 47 minutes. Start it with one click and get a visual progress ring, a live tab-title countdown, plus a flashing on-screen alert and beep when it hits zero. - [48 Minute Timer](https://top10k.com/tool/48-minute-timer): A full-screen countdown timer preset to 48 minutes. Start it with one click and get a visual progress ring, a live tab-title countdown, plus a flashing on-screen alert and beep when it hits zero. - [49 Minute Timer](https://top10k.com/tool/49-minute-timer): A full-screen countdown timer preset to 49 minutes. Start it with one click and get a visual progress ring, a live tab-title countdown, plus a flashing on-screen alert and beep when it hits zero. - [5 Hour Timer](https://top10k.com/tool/5-hour-timer): A countdown timer set to 5 hours by default, adjustable in 15-minute steps from 30 minutes to 12 hours, with presets for long shifts, exam blocks, road trips, and sous-vide cooking, plus an audible… - [5 Minute Timer](https://top10k.com/tool/5-minute-timer): A simple countdown timer preset to 5 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [5 Second Timer](https://top10k.com/tool/5-second-timer): A one-click countdown timer preset to exactly 5 seconds, with a large on-screen readout, a filling progress ring, and a flash plus beep when it hits zero. - [50 Minute Timer](https://top10k.com/tool/50-minute-timer): A full-screen countdown timer preset to 50 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [51 Minute Timer](https://top10k.com/tool/51-minute-timer): A full-screen countdown timer preset to 51 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [52 Minute Timer](https://top10k.com/tool/52-minute-timer): A full-screen countdown timer preset to 52 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [53 Minute Timer](https://top10k.com/tool/53-minute-timer): A full-screen countdown timer preset to 53 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [54 Minute Timer](https://top10k.com/tool/54-minute-timer): A full-screen countdown timer preset to 54 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [55 Minute Timer](https://top10k.com/tool/55-minute-timer): A full-screen countdown timer preset to 55 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [56 Minute Timer](https://top10k.com/tool/56-minute-timer): A full-screen countdown timer preset to 56 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [57 Minute Timer](https://top10k.com/tool/57-minute-timer): A full-screen countdown timer preset to 57 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [58 Minute Timer](https://top10k.com/tool/58-minute-timer): A full-screen countdown timer preset to 58 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [59 Minute Timer](https://top10k.com/tool/59-minute-timer): A full-screen countdown timer preset to 59 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [6 Hour Timer](https://top10k.com/tool/6-hour-timer): A countdown timer preset to 6 hours with adjustable duration, presets for long shifts, flights, study sessions, and slow cooking, plus a visual progress ring and an alert when it hits zero. - [6 Minute Timer](https://top10k.com/tool/6-minute-timer): A simple countdown timer preset to 6 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [60 Minute Timer](https://top10k.com/tool/60-minute-timer): A full-screen countdown timer preset to 60 minutes (1 hour). Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [7 Hour Timer](https://top10k.com/tool/7-hour-timer): A countdown timer preset to 7 hours with adjustable duration, presets for sleep, night shifts, road trips, and long study blocks, plus a visual progress ring and an alert when it hits zero. - [7 Minute Timer](https://top10k.com/tool/7-minute-timer): A simple, full-screen countdown timer preset to 7 minutes with start, pause, and reset controls plus an audible alarm when it hits zero. - [75 Minute Timer](https://top10k.com/tool/75-minute-timer): A full-screen countdown timer preset to 75 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [8 Hour Timer](https://top10k.com/tool/8-hour-timer): A countdown timer preset to 8 hours with adjustable duration, presets for work shifts, flights, exams, and slow cooking, plus a visual progress ring and an alert when it hits zero. - [8 Minute Timer](https://top10k.com/tool/8-minute-timer): A simple, full-screen countdown timer preset to 8 minutes with start/pause/reset and an audible alarm when it hits zero. - [9 Hour Timer](https://top10k.com/tool/9-hour-timer): A countdown timer preset to 9 hours with adjustable duration, presets for night shifts and sleep tracking, plus a visual progress ring and an alert when it reaches zero. - [9 Minute Timer](https://top10k.com/tool/9-minute-timer): A full-screen countdown timer preset to 9 minutes. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [90 Minute Timer](https://top10k.com/tool/90-minute-timer): A countdown timer centered on 90 minutes, adjustable in 5-minute steps, with one-click presets for exams, naps, cooking, and focus sessions plus a visual ring and audible alert. - [90 Second Timer](https://top10k.com/tool/90-second-timer): A simple countdown timer preset to 90 seconds. Start it with one click and get a visual progress ring plus a flashing on-screen alert and beep when it hits zero. - [Add Days To Date](https://top10k.com/tool/add-days-to-date): Calculates the resulting date when a specified number of days is added to a start date. Supports adding or subtracting any number of days with instant results. - [Age Calculator](https://top10k.com/tool/age-calc): Calculate your exact age in years, months, and days, plus total days lived, weeks, hours, next birthday countdown, and zodiac sign. - [Age Difference Calculator](https://top10k.com/tool/age-difference-calculator): Calculates the exact age difference between two people (or any two dates) in years, months, and days. - [Age in Days Calculator](https://top10k.com/tool/age-in-days-calculator): Calculates your exact age in days, weeks, months, hours, and minutes from your birth date to today or a custom target date. - [Age in Months Calculator](https://top10k.com/tool/age-in-months-calculator): Calculates exact age in total months (and years + remaining months) from a birth date to today or any target date. - [Anniversary Counter](https://top10k.com/tool/anniversary-counter): Counts days, months, and years since an anniversary date and shows the next upcoming anniversary. - [Australia Time Zones Overview](https://top10k.com/tool/australia-time-zones): Shows live current times across all Australian time zones (AEST, AEDT, ACST, ACDT, AWST) and converts any time between them. - [Birthday Countdown](https://top10k.com/tool/birthday-countdown): Enter your birthdate and see a live countdown in days, hours, minutes, and seconds to your next birthday, plus fun lifetime stats. - [Boxing Round Timer](https://top10k.com/tool/boxing-round-timer): Configurable boxing-style round timer with round length, rest length, round count, a loud bell alert at round start and end, and a 10-second warning. - [Business Days Calculator](https://top10k.com/tool/business-days-calculator): Count business days (Mon-Fri, excluding holidays) between two dates, or add/subtract business days from a starting date. - [Chinese Age Calculator](https://top10k.com/tool/chinese-age-calculator): Calculates a person's traditional Chinese nominal age (xūsuì, 虚岁), which counts birth year as year one and increments each Lunar New Year. - [Chinese Lunar Calendar Converter](https://top10k.com/tool/chinese-lunar-converter): Convert between Gregorian dates and the Chinese Lunar calendar, showing the lunar year name (Heavenly Stem + Earthly Branch), zodiac animal, lunar month, and lunar day. - [Countdown Timer](https://top10k.com/tool/countdown-timer): Visual countdown to any date or duration. Set custom alarms, get notified at finish, share via URL with embedded target time. - [Current Time in Amsterdam](https://top10k.com/tool/current-time-in-amsterdam): Displays the current local time and date in Amsterdam, Netherlands (Europe/Amsterdam timezone), updating live every second. - [Current Time in Athens](https://top10k.com/tool/current-time-in-athens): Shows the current local time in Athens, Greece (Europe/Athens timezone) with a live clock, date, UTC offset, and DST status. - [Current Time in Auckland](https://top10k.com/tool/current-time-in-auckland): Displays the live current time and date in Auckland, New Zealand (Pacific/Auckland timezone) with a real-time updating clock, DST status, and local time comparison. - [Current Time in Bangkok](https://top10k.com/tool/current-time-in-bangkok): Displays the current date and time in Bangkok, Thailand (Asia/Bangkok, UTC+7) with a live ticking clock, time zone info, and UTC offset comparison. - [Current Time in Barcelona](https://top10k.com/tool/current-time-in-barcelona): Shows the current local time and date in Barcelona, Spain (Europe/Madrid timezone), updating live every second. - [Current Time in Beijing](https://top10k.com/tool/current-time-in-beijing): Shows the current local time in Beijing, China (CST, UTC+8) with a live updating clock and world-time comparison panel. - [Current Time in Berlin](https://top10k.com/tool/current-time-in-berlin): Displays the current local time in Berlin (Europe/Berlin timezone) with live clock and UTC offset. - [Current Time in Boston](https://top10k.com/tool/current-time-in-boston): Displays the current local time, date, and timezone info for Boston, Massachusetts (America/New_York, UTC-5/UTC-4 DST); live clock updated every second. - [Current Time in Brussels](https://top10k.com/tool/current-time-in-brussels): Show the current local time in Brussels, Belgium (Europe/Brussels timezone, CET/CEST), with UTC offset, DST status, and a world clock comparison. - [Current Time in Budapest](https://top10k.com/tool/current-time-in-budapest): Displays the current local time in Budapest, Hungary (Europe/Budapest timezone) using the browser's Intl API — no server calls needed. - [Current Time in Cairo](https://top10k.com/tool/current-time-in-cairo): Displays the current local time in Cairo, Egypt (Africa/Cairo timezone) with live clock, date, and UTC offset — all client-side using the Intl API. - [Current Time in Chicago](https://top10k.com/tool/current-time-in-chicago) - [Current Time in Copenhagen](https://top10k.com/tool/current-time-in-copenhagen): Displays the current local time, date, and timezone information for Copenhagen, Denmark (Europe/Copenhagen, CET/CEST). Live clock with automatic DST handling. - [Current Time in Denver](https://top10k.com/tool/current-time-in-denver): Displays the current local time and date in Denver, Colorado, USA (America/Denver timezone), updating live every second. - [Current Time in Dubai](https://top10k.com/tool/current-time-in-dubai): Displays the live current time and date in Dubai (UTC+4, Asia/Dubai timezone), with a converter to compare Dubai time against any other common timezone. - [Current Time in Dublin](https://top10k.com/tool/current-time-in-dublin): Displays the current local time in Dublin, Ireland (Europe/Dublin timezone) with a live updating clock, UTC offset, and DST indicator. - [Current Time in Frankfurt](https://top10k.com/tool/current-time-in-frankfurt): Displays the current local time and date in Frankfurt, Germany (Europe/Berlin timezone), with live clock update. - [Current Time in Hanoi](https://top10k.com/tool/current-time-in-hanoi): Displays the current local time, date, and timezone information for Hanoi, Vietnam (Asia/Ho_Chi_Minh, UTC+7). - [Current Time in Helsinki](https://top10k.com/tool/current-time-in-helsinki) - [Current Time in Ho Chi Minh City](https://top10k.com/tool/current-time-in-ho-chi-minh-city): Displays the current local time and date in Ho Chi Minh City, Vietnam (Asia/Ho_Chi_Minh, UTC+7), updating live every second. - [Current Time in Hong Kong](https://top10k.com/tool/current-time-in-hong-kong): Shows the current local time, date, and UTC offset for Hong Kong (Asia/Hong_Kong, UTC+8), with a live ticking clock and timezone facts. - [Current Time in Istanbul](https://top10k.com/tool/current-time-in-istanbul): Displays the current local time and date in Istanbul, Turkey (Europe/Istanbul timezone), updating live every second. - [Current Time in Jakarta](https://top10k.com/tool/current-time-in-jakarta): Displays the current date and time in Jakarta, Indonesia (Asia/Jakarta, UTC+7 / WIB) with a live ticking clock, time zone info, and UTC offset comparison. - [Current Time in Johannesburg](https://top10k.com/tool/current-time-in-johannesburg): Displays the live current time and date in Johannesburg, South Africa (Africa/Johannesburg, SAST UTC+2) with a real-time updating clock. - [Current Time in Karachi](https://top10k.com/tool/current-time-in-karachi): Displays the current local time in Karachi, Pakistan (PKT, UTC+5) with live clock and timezone details. - [Current Time in Kuala Lumpur](https://top10k.com/tool/current-time-in-kuala-lumpur): Displays the live current time and date in Kuala Lumpur, Malaysia (MYT, UTC+8) with a live ticking clock and world clock comparison. - [Current Time in Lagos](https://top10k.com/tool/current-time-in-lagos): Shows the current local time in Lagos, Nigeria (Africa/Lagos, UTC+1) with a live clock and UTC offset info. - [Current Time in Lisbon](https://top10k.com/tool/current-time-in-lisbon): Displays the current local time in Lisbon, Portugal (Europe/Lisbon timezone) with live clock update, UTC offset info, and comparison to visitor's local time. - [Current Time in London](https://top10k.com/tool/current-time-in-london) - [Current Time in Los Angeles](https://top10k.com/tool/current-time-in-los-angeles) - [Current Time in Madrid](https://top10k.com/tool/current-time-in-madrid): Live current local time in Madrid, Spain with UTC offset, CET/CEST, and DST status, shown next to your own local time. - [Current Time in Manila](https://top10k.com/tool/current-time-in-manila): Displays the current local time and date in Manila, Philippines (Asia/Manila, UTC+8), updating live every second. - [Current Time in Melbourne](https://top10k.com/tool/current-time-in-melbourne): Displays the current local time and date in Melbourne, Australia (Australia/Melbourne timezone, AEDT/AEST), updating live every second. - [Current Time in Mexico City](https://top10k.com/tool/current-time-in-mexico-city): Displays the current local time and date in Mexico City (America/Mexico_City, CST UTC−6 year-round), updating live every second. - [Current Time in Miami](https://top10k.com/tool/current-time-in-miami) - [Current Time in Moscow](https://top10k.com/tool/current-time-in-moscow) - [Current Time in Mumbai](https://top10k.com/tool/current-time-in-mumbai): Displays the live current time and date in Mumbai, India (IST, UTC+5:30) with a live clock and a comparison tool to convert Mumbai time to any major timezone. - [Current Time in Nairobi](https://top10k.com/tool/current-time-in-nairobi): Shows the current local time in Nairobi, Kenya (Africa/Nairobi, UTC+3) with a live clock and UTC offset info. - [Current Time in New Delhi](https://top10k.com/tool/current-time-in-new-delhi): Displays the live current time and date in New Delhi, India (IST, UTC+5:30), auto-updating every second with timezone info. - [Current Time in New York](https://top10k.com/tool/current-time-in-new-york) - [Current Time in Oslo](https://top10k.com/tool/current-time-in-oslo): Live current local time in Oslo, Norway showing Central European Time (CET/CEST, Europe/Oslo) next to your own local time. - [Current Time in Paris](https://top10k.com/tool/current-time-in-paris): Live current local time in Paris, France with UTC offset, CET/CEST, and DST status, shown next to your own local time. - [Current Time in Phoenix](https://top10k.com/tool/current-time-in-phoenix): Displays the current local time and date in Phoenix, Arizona, USA (America/Phoenix timezone, MST, UTC-7 year-round, no daylight saving time), updating live every second. - [Current Time in Prague](https://top10k.com/tool/current-time-in-prague): Displays the current local time in Prague, Czech Republic (Europe/Prague timezone) with live clock, date, UTC offset, and a world-clock comparison panel. - [Current Time in Riyadh](https://top10k.com/tool/current-time-in-riyadh): Shows the current local time and date in Riyadh, Saudi Arabia (Arabia Standard Time, UTC+3), with timezone details and a live clock. - [Current Time in Rome](https://top10k.com/tool/current-time-in-rome): Displays the current local time and date in Rome, Italy (Europe/Rome timezone), updating live every second. - [Current Time in San Francisco](https://top10k.com/tool/current-time-in-san-francisco): Shows the current local time and date in San Francisco, USA (America/Los_Angeles timezone), updating live every second. - [Current Time in Sao Paulo](https://top10k.com/tool/current-time-in-sao-paulo): Shows the current local time and date in Sao Paulo, Brazil (America/Sao_Paulo timezone), updating live every second. - [Current Time in Seattle](https://top10k.com/tool/current-time-in-seattle): Displays the current local time, date, and timezone info for Seattle, Washington (America/Los_Angeles, UTC-8/UTC-7 DST); live clock updated every second. - [Current Time in Seoul](https://top10k.com/tool/current-time-in-seoul): Shows the current local time in Seoul, South Korea (KST, UTC+9) with a live updating clock and world-time comparison panel. - [Current Time in Shanghai](https://top10k.com/tool/current-time-in-shanghai): Shows the current local time in Shanghai, China (UTC+8, Asia/Shanghai) updating every second, with UTC offset and date display. - [Current Time in Singapore](https://top10k.com/tool/current-time-in-singapore): Displays the current local time and date in Singapore (SGT, UTC+8) with a live clock updating every second. - [Current Time in Stockholm](https://top10k.com/tool/current-time-in-stockholm): Displays the current local time and date in Stockholm, Sweden (Europe/Stockholm timezone), updating live every second. - [Current Time in Sydney](https://top10k.com/tool/current-time-in-sydney): Live current local time in Sydney, Australia with UTC offset, AEST/AEDT, and DST status, shown next to your own local time. - [Current Time in Tehran](https://top10k.com/tool/current-time-in-tehran): Displays the current local time in Tehran, Iran (IRST, UTC+3:30 year-round) with a live ticking clock, date, and UTC offset. - [Current Time in Tokyo](https://top10k.com/tool/current-time-in-tokyo): Live current local time in Tokyo, Japan showing Japan Standard Time (JST, UTC+9) next to your own local time. - [Current Time in Toronto](https://top10k.com/tool/current-time-in-toronto) - [Current Time in Vancouver](https://top10k.com/tool/current-time-in-vancouver) - [Current Time in Vienna](https://top10k.com/tool/current-time-in-vienna): Displays the current local time and date in Vienna, Austria (Europe/Vienna timezone), updating live every second. - [Current Time in Warsaw](https://top10k.com/tool/current-time-in-warsaw): Displays the current local time and date in Warsaw, Poland (Europe/Warsaw timezone), updating live every second. - [Current Time in Washington DC](https://top10k.com/tool/current-time-in-washington-dc): Displays the current local time and date in Washington D.C. (America/New_York timezone), auto-refreshing every second. - [Current Time in Zurich](https://top10k.com/tool/current-time-in-zurich): Displays the current local time in Zurich, Switzerland (Europe/Zurich timezone) with live clock and UTC offset. - [Date Difference Calculator](https://top10k.com/tool/date-difference-calculator): Pick any two dates (with optional times) and instantly see the difference broken down into years, months, and days, plus totals for days, hours, minutes, seconds, and weeks. - [Date to Roman Numeral Converter](https://top10k.com/tool/date-to-roman-numeral): Converts a calendar date (day, month, year) into Roman numeral notation. Supports multiple formats including D.M.YYYY, MM/DD/YYYY, and individual field entry. - [Day of Week Calculator](https://top10k.com/tool/day-of-week-calculator): Find the day of the week for any date and view a full monthly calendar highlighting that date. Supports any date from year 100 to 9999. - [Day of the Week Finder](https://top10k.com/tool/day-of-week-finder): Pick any date from year 1 to 9999 and instantly find the day of the week — Monday through Sunday — along with fun facts: western zodiac sign, Chinese zodiac animal, leap year status, day number of … - [Day of Week in History](https://top10k.com/tool/day-of-week-in-history): Find the day of the week for any historical or future date using Zeller's congruence. Look up what day of the week any date fell on. - [Day of Year Calculator](https://top10k.com/tool/day-of-year-calculator): Convert any calendar date to its day-of-year number (ordinal date) and see days remaining in the year. Also supports reverse lookup: enter a day number to find the calendar date. - [Days Between Dates Calculator](https://top10k.com/tool/days-between-dates-calculator): Calculates the exact number of days (and optionally weeks, months, years) between any two calendar dates, accounting for leap years. - [Days Until April Fools Day](https://top10k.com/tool/days-until-april-fools-day): Counts down the exact number of days, hours, and minutes until April Fools Day (April 1). - [Days Until Black Friday](https://top10k.com/tool/days-until-black-friday): Calculates how many days remain until the next Black Friday, the day after the fourth Thursday of November, with a live countdown. - [Days Until Boxing Day](https://top10k.com/tool/days-until-boxing-day): Counts down the exact number of days, hours, and minutes until Boxing Day (December 26). - [Days Until Canada Day](https://top10k.com/tool/days-until-canada-day): Counts down the exact number of days, hours, and minutes until Canada Day (July 1). - [Days Until Chinese New Year](https://top10k.com/tool/days-until-chinese-new-year): Live countdown showing exactly how many days, hours, minutes, and seconds remain until the next Chinese New Year (Lunar New Year), computed client-side from a table of confirmed dates through 2035. - [Days Until Christmas](https://top10k.com/tool/days-until-christmas): Counts down the exact number of days, hours, and minutes until Christmas Day (December 25). - [Days Until Cinco De Mayo](https://top10k.com/tool/days-until-cinco-de-mayo): Counts down the exact number of days, hours, minutes, and seconds until Cinco de Mayo (May 5). - [Days Until Cyber Monday](https://top10k.com/tool/days-until-cyber-monday): Calculates how many days remain until the next Cyber Monday (the Monday after US Thanksgiving) with a live countdown. - [Days Until Diwali](https://top10k.com/tool/days-until-diwali): Live countdown showing exactly how many days, hours, minutes, and seconds remain until the next Diwali festival, calculated client-side using a lookup table of confirmed annual dates. - [Days Until Earth Day](https://top10k.com/tool/days-until-earth-day): Counts down the exact number of days, hours, minutes, and seconds until Earth Day (April 22). - [Days Until Easter](https://top10k.com/tool/days-until-easter): Countdown showing how many days remain until Easter Sunday, computed client-side using the Anonymous Gregorian algorithm, with the next 5 Easter dates listed. - [Days Until Eid al-Adha](https://top10k.com/tool/days-until-eid-al-adha): Calculates the number of days remaining until the next Eid al-Adha based on publicly published calculated Gregorian-date estimates for upcoming years, with a disclosed caveat that the confirmed dat… - [Days Until Eid al-Fitr](https://top10k.com/tool/days-until-eid-al-fitr): Calculates the number of days remaining until the next Eid al-Fitr based on widely-published calculated Gregorian dates for upcoming years, displaying a live countdown from today. - [Days Until Father's Day](https://top10k.com/tool/days-until-fathers-day): Shows a live countdown of days, hours, minutes, and seconds until the next US Father's Day (third Sunday of June) in the user's local time zone. - [Days Until Halloween](https://top10k.com/tool/days-until-halloween): Live countdown showing exactly how many days, hours, minutes, and seconds remain until October 31 (Halloween), with the next Halloween date displayed. - [Days Until Hanukkah](https://top10k.com/tool/days-until-hanukkah): Counts down the days, hours, and minutes until the next Hanukkah begins at sundown on the first night, using a lookup table of Hebrew-calendar start dates through 2031. - [Days Until Independence Day](https://top10k.com/tool/days-until-independence-day): Counts down the exact number of days, hours, minutes, and seconds until US Independence Day (July 4). - [Days Until Juneteenth](https://top10k.com/tool/days-until-juneteenth): Counts down the exact number of days, hours, minutes, and seconds until Juneteenth (June 19), a US federal holiday since 2021. - [Days Until Labor Day](https://top10k.com/tool/days-until-labor-day) - [Days Until Memorial Day](https://top10k.com/tool/days-until-memorial-day) - [Days Until Mother's Day](https://top10k.com/tool/days-until-mothers-day): Shows a live countdown of days, hours, minutes, and seconds until the next US Mother's Day (second Sunday of May) in the user's local time zone. - [Days Until New Year](https://top10k.com/tool/days-until-new-year): Shows a live countdown of days, hours, minutes, and seconds until the next New Year (January 1) in the user's local timezone. - [Days Until Passover](https://top10k.com/tool/days-until-passover): Counts down the days, hours, and minutes until the next Passover (Pesach) begins at sundown, based on published Gregorian start dates for upcoming years. - [Days Until Ramadan](https://top10k.com/tool/days-until-ramadan): Calculates the number of days remaining until the next Ramadan based on approximate Gregorian calendar dates for upcoming years (2025-2030), displaying a countdown from today. - [Days Until Rosh Hashanah](https://top10k.com/tool/days-until-rosh-hashanah): Counts down the days, hours, and minutes until the next Rosh Hashanah begins at sundown on 1 Tishrei, using a verified lookup table of Hebrew-calendar start dates through 2031. - [Days Until St Patricks Day](https://top10k.com/tool/days-until-st-patricks-day): Counts down the exact number of days, hours, minutes, and seconds until St. Patrick's Day (March 17). - [Days Until Summer Solstice](https://top10k.com/tool/days-until-summer-solstice): Live countdown in days, hours, minutes, and seconds until the next Northern Hemisphere summer solstice (around June 20–21 each year). Updates every second in the browser. - [Days Until Tet (Lunar New Year)](https://top10k.com/tool/days-until-tet-lunar-new-year): Countdown to the next Vietnamese Lunar New Year (Tet) — computes days, hours, minutes, and seconds remaining until the next Tet date, with a pre-computed table of upcoming Tet dates through 2035. - [Days Until Thanksgiving](https://top10k.com/tool/days-until-thanksgiving) - [Days Until Valentine's Day](https://top10k.com/tool/days-until-valentines-day): Counts down the exact number of days, hours, minutes, and seconds until the next Valentine's Day (February 14), updating live every second. - [Days Until Winter Solstice](https://top10k.com/tool/days-until-winter-solstice): Counts down the exact number of days, hours, and minutes until the next winter solstice (December 21) with a live countdown timer. - [Decimal Time Converter](https://top10k.com/tool/decimal-time-converter) - [Easter Date Calculator](https://top10k.com/tool/easter-date-calculator): Calculate Western (Gregorian/Catholic/Protestant) and Eastern Orthodox Easter dates for any year from 1583 to 2099, using the Anonymous Gregorian algorithm and the Julian-calendar algorithm respect… - [Egg Timer](https://top10k.com/tool/egg-timer): A kitchen countdown timer with quick presets for soft, medium, and hard boiled eggs plus a custom time input, start/pause/reset controls, and an audible and visual alert when the eggs are done. - [Germany Time Zones Overview](https://top10k.com/tool/germany-time-zones): Display the current time in Germany (CET in winter, CEST in summer) with live clock, UTC offset, DST status, and a comparison table showing major world cities alongside German time. - [Goal Progress Tracker](https://top10k.com/tool/goal-progress-tracker): Tracks progress toward a numeric goal between a start and end date, showing percentage complete, pace analysis, and projected completion date. - [Golden Birthday Finder](https://top10k.com/tool/golden-birthday-finder): Find your golden birthday — the day you turn the age that matches your birth date (e.g., turning 17 on the 17th) — and count down the days until it arrives. - [GPS Time Converter](https://top10k.com/tool/gps-time-converter): Convert between GPS time (GPS week number and seconds of week) and UTC calendar date/time, accounting for leap seconds. - [Half Birthday Calculator](https://top10k.com/tool/half-birthday-calculator): Calculates your exact half-birthday date (6 months after your birthday) and shows how many days until the next one. - [Hebrew Calendar Converter](https://top10k.com/tool/hebrew-calendar-converter): Convert between Gregorian (civil) dates and Hebrew calendar dates using the proleptic Hebrew calendar algorithm implemented in pure JavaScript. - [Hours To Minutes Calculator](https://top10k.com/tool/hours-to-minutes-calculator): Converts hours (and optionally minutes) to total minutes, with a handy reference table for common values. - [India Time Zones Overview](https://top10k.com/tool/india-time-zones): Overview of India Standard Time (IST, UTC+5:30) with a live clock and converter showing current time in Indian cities relative to major world time zones. - [Indian National Calendar Converter](https://top10k.com/tool/indian-national-calendar): Converts dates between the Indian National Calendar (Saka era) and the Gregorian calendar, with month names and era information. - [Interval Timer](https://top10k.com/tool/interval-timer): Configurable work/rest interval timer with custom minutes and seconds, round count, and prep countdown, for workouts, study sprints, or any repeating task. - [ISO 8601 Converter](https://top10k.com/tool/iso-8601-converter): Converts dates and times to and from ISO 8601 format across various input formats. - [ISO Week Date Converter](https://top10k.com/tool/iso-week-date): Converts between calendar dates and ISO 8601 week dates (YYYY-Www-D format), showing week number, day of week, and year boundaries. - [Japanese Era Converter](https://top10k.com/tool/japanese-era-converter): Converts dates between the Japanese imperial era system (Reiwa, Heisei, Showa, Taisho, Meiji) and Gregorian calendar years. - [Julian Date Converter](https://top10k.com/tool/julian-date-converter): Convert between Julian Date Number (JDN) and calendar dates in both Gregorian and Julian calendar systems. - [Korean Age Calculator](https://top10k.com/tool/korean-age-calculator): Converts a birthdate to Korean age (born = age 1, adds 1 each January 1st) and compares to international age; explains the traditional vs. new standardized system. - [Life in Weeks Calculator](https://top10k.com/tool/life-in-weeks-calculator): See how many weeks you have lived and how many remain based on your birthdate and a life expectancy estimate, inspired by Tim Urban's "Your Life in Weeks." - [Meditation Timer](https://top10k.com/tool/meditation-timer): Meditation timer with adjustable session length, optional interval bells, and a start/pause/reset chime-based session for mindfulness practice. - [Moon Phase Calculator](https://top10k.com/tool/moon-phase-calculator): Find the moon phase name and illumination percentage for any date using the Julian date algorithm. - [Overtime Calculator](https://top10k.com/tool/overtime-calculator): Calculate overtime pay given regular hours, overtime hours, hourly rate, and overtime multiplier. Supports daily and weekly overtime thresholds with customizable multipliers. - [Persian Calendar Converter](https://top10k.com/tool/persian-calendar-converter): Convert Gregorian dates to Persian (Solar Hijri / Shamsi) calendar dates and vice versa. Supports all years with accurate algorithmic conversion in your browser. - [Presentation Timer](https://top10k.com/tool/presentation-timer): A speaking timer that splits a total presentation budget into named phases (intro, main content, Q&A, etc.) and shows whether you are on track, behind, or over time as you go. - [Quarter of Year Finder](https://top10k.com/tool/quarter-of-year-finder): Determines which calendar quarter (Q1–Q4) a given date falls in, with support for custom fiscal year start months and display of quarter date ranges. - [Retirement Date Calculator](https://top10k.com/tool/retirement-date-calculator): Calculates your target retirement date and countdown based on your birth date and desired retirement age. - [Sleep Cycle Calculator](https://top10k.com/tool/sleep-cycle-calculator): Calculate optimal wake-up times or bedtimes based on 90-minute sleep cycles to wake feeling refreshed. - [Stopwatch with Laps](https://top10k.com/tool/stopwatch): Precise online stopwatch with lap timing, split times, and export. Millisecond accuracy. Works in the background. - [Study Timer](https://top10k.com/tool/study-timer): Pomodoro-style study timer with configurable focus and break lengths, a long break every N sessions, a subject/task label, and a running log of completed study sessions. - [Subtract Days From Date](https://top10k.com/tool/subtract-days-from-date): Calculates the resulting date when a specified number of days is subtracted from a start date. - [Sunrise Sunset Calculator](https://top10k.com/tool/sunrise-sunset-calculator): Estimate sunrise, sunset, solar noon, day length, photography light bands, and civil, nautical, and astronomical twilight from coordinates and date. - [Tabata Timer](https://top10k.com/tool/tabata-timer): Interval timer for the Tabata protocol: 20 seconds of work, 10 seconds of rest, repeated for 8 rounds, with fully configurable durations and round count. - [Thai Buddhist Year Converter](https://top10k.com/tool/thai-buddhist-year): Convert between Gregorian (CE) years and Thai Buddhist Era (BE) years. Thai Buddhist year equals the Gregorian year plus 543. - [Time Addition Calculator](https://top10k.com/tool/time-addition-calculator): Adds hours, minutes, and seconds to a starting time and displays the resulting clock time. Supports 12-hour and 24-hour formats with automatic overflow handling across midnight. - [Time Difference: London to Amsterdam](https://top10k.com/tool/time-difference-london-to-amsterdam) - [Time Difference: London to Athens](https://top10k.com/tool/time-difference-london-to-athens) - [Time Difference: London to Auckland](https://top10k.com/tool/time-difference-london-to-auckland) - [Time Difference: London to Bangkok](https://top10k.com/tool/time-difference-london-to-bangkok) - [Time Difference: London to Barcelona](https://top10k.com/tool/time-difference-london-to-barcelona) - [Time Difference: London to Beijing](https://top10k.com/tool/time-difference-london-to-beijing) - [Time Difference: London to Berlin](https://top10k.com/tool/time-difference-london-to-berlin) - [Time Difference: London to Boston](https://top10k.com/tool/time-difference-london-to-boston) - [Time Difference: London to Brussels](https://top10k.com/tool/time-difference-london-to-brussels) - [Time Difference: London to Budapest](https://top10k.com/tool/time-difference-london-to-budapest) - [Time Difference: London to Cairo](https://top10k.com/tool/time-difference-london-to-cairo) - [Time Difference: London to Chicago](https://top10k.com/tool/time-difference-london-to-chicago) - [Time Difference: London to Copenhagen](https://top10k.com/tool/time-difference-london-to-copenhagen) - [Time Difference: London to Denver](https://top10k.com/tool/time-difference-london-to-denver) - [Time Difference: London to Dhaka](https://top10k.com/tool/time-difference-london-to-dhaka) - [Time Difference: London to Dubai](https://top10k.com/tool/time-difference-london-to-dubai) - [Time Difference: London to Dublin](https://top10k.com/tool/time-difference-london-to-dublin) - [Time Difference: London to Frankfurt](https://top10k.com/tool/time-difference-london-to-frankfurt) - [Time Difference: London to Hanoi](https://top10k.com/tool/time-difference-london-to-hanoi): Shows the current time difference between London (GMT/BST) and Hanoi (ICT, UTC+7), with a 24-hour meeting planner grid to find overlapping business hours. - [Time Difference: London to Helsinki](https://top10k.com/tool/time-difference-london-to-helsinki) - [Time Difference: London to Ho Chi Minh City](https://top10k.com/tool/time-difference-london-to-ho-chi-minh-city) - [Time Difference: London to Hong Kong](https://top10k.com/tool/time-difference-london-to-hong-kong) - [Time Difference: London to Istanbul](https://top10k.com/tool/time-difference-london-to-istanbul) - [Time Difference: London to Jakarta](https://top10k.com/tool/time-difference-london-to-jakarta) - [Time Difference: London to Johannesburg](https://top10k.com/tool/time-difference-london-to-johannesburg) - [Time Difference: London to Karachi](https://top10k.com/tool/time-difference-london-to-karachi) - [Time Difference: London to Kuala Lumpur](https://top10k.com/tool/time-difference-london-to-kuala-lumpur) - [Time Difference: London to Lagos](https://top10k.com/tool/time-difference-london-to-lagos) - [Time Difference: London to Lisbon](https://top10k.com/tool/time-difference-london-to-lisbon) - [Time Difference: London to Los Angeles](https://top10k.com/tool/time-difference-london-to-los-angeles) - [Time Difference: London to Madrid](https://top10k.com/tool/time-difference-london-to-madrid) - [Time Difference: London to Manila](https://top10k.com/tool/time-difference-london-to-manila) - [Time Difference: London to Melbourne](https://top10k.com/tool/time-difference-london-to-melbourne) - [Time Difference: London to Mexico City](https://top10k.com/tool/time-difference-london-to-mexico-city) - [Time Difference: London to Miami](https://top10k.com/tool/time-difference-london-to-miami) - [Time Difference: London to Moscow](https://top10k.com/tool/time-difference-london-to-moscow) - [Time Difference: London to Mumbai](https://top10k.com/tool/time-difference-london-to-mumbai) - [Time Difference: London to Nairobi](https://top10k.com/tool/time-difference-london-to-nairobi) - [Time Difference: London to New Delhi](https://top10k.com/tool/time-difference-london-to-new-delhi) - [Time Difference: London to New York](https://top10k.com/tool/time-difference-london-to-new-york) - [Time Difference: London to Oslo](https://top10k.com/tool/time-difference-london-to-oslo) - [Time Difference: London to Paris](https://top10k.com/tool/time-difference-london-to-paris) - [Time Difference: London to Phoenix](https://top10k.com/tool/time-difference-london-to-phoenix) - [Time Difference: London to Prague](https://top10k.com/tool/time-difference-london-to-prague): Shows the current time difference between London (GMT/BST) and Prague (CET/CEST) with live clocks and a meeting planner for scheduling across both time zones. - [Time Difference: London to Riyadh](https://top10k.com/tool/time-difference-london-to-riyadh) - [Time Difference: London to Rome](https://top10k.com/tool/time-difference-london-to-rome) - [Time Difference: London to San Francisco](https://top10k.com/tool/time-difference-london-to-san-francisco) - [Time Difference: London to Sao Paulo](https://top10k.com/tool/time-difference-london-to-sao-paulo) - [Time Difference London to Seattle](https://top10k.com/tool/time-difference-london-to-seattle): Show the current time difference between London (GMT/BST) and Seattle (PST/PDT), with a clock converter for scheduling meetings across these two cities. - [Time Difference: London to Seoul](https://top10k.com/tool/time-difference-london-to-seoul) - [Time Difference: London to Shanghai](https://top10k.com/tool/time-difference-london-to-shanghai) - [Time Difference: London to Singapore](https://top10k.com/tool/time-difference-london-to-singapore) - [Time Difference: London to Stockholm](https://top10k.com/tool/time-difference-london-to-stockholm) - [Time Difference: London to Sydney](https://top10k.com/tool/time-difference-london-to-sydney) - [Time Difference: London to Tehran](https://top10k.com/tool/time-difference-london-to-tehran) - [Time Difference: London to Tokyo](https://top10k.com/tool/time-difference-london-to-tokyo) - [Time Difference: London to Toronto](https://top10k.com/tool/time-difference-london-to-toronto) - [Time Difference: London to Vancouver](https://top10k.com/tool/time-difference-london-to-vancouver) - [Time Difference: London to Vienna](https://top10k.com/tool/time-difference-london-to-vienna) - [Time Difference: London to Warsaw](https://top10k.com/tool/time-difference-london-to-warsaw) - [Time Difference: London to Washington DC](https://top10k.com/tool/time-difference-london-to-washington-dc) - [Time Difference: London to Zurich](https://top10k.com/tool/time-difference-london-to-zurich) - [Time Difference: New York to Amsterdam](https://top10k.com/tool/time-difference-new-york-to-amsterdam): Shows the current time in New York (ET) and Amsterdam (CET/CEST) side by side, calculates the offset, and lets users find what time it will be in Amsterdam when it is a given time in New York. - [Time Difference: New York to Athens](https://top10k.com/tool/time-difference-new-york-to-athens): Shows current time in New York (America/New_York) and Athens (Europe/Athens) side by side with the hour offset between them. - [Time Difference: New York to Auckland](https://top10k.com/tool/time-difference-new-york-to-auckland): Shows the current time in New York (ET) and Auckland (NZST/NZDT) side by side, calculates the exact offset, and lets users convert any New York time to the equivalent Auckland local time. - [Time Difference: New York to Bangkok](https://top10k.com/tool/time-difference-new-york-to-bangkok): Shows the current time in New York and Bangkok side by side, calculates the live hour offset between the two cities, and lets the user convert any chosen hour between the two time zones. - [Time Difference: New York to Barcelona](https://top10k.com/tool/time-difference-new-york-to-barcelona): Shows the current time in New York (America/New_York) and Barcelona (Europe/Madrid) side by side, with the live hour offset updated every second and automatic DST handling. - [Time Difference: New York to Beijing](https://top10k.com/tool/time-difference-new-york-to-beijing): Show the current time in New York and Beijing side by side, with the UTC offset difference and a time converter. - [Time Difference: New York to Berlin](https://top10k.com/tool/time-difference-new-york-to-berlin): Shows the current time difference between New York (EST/EDT) and Berlin (CET/CEST) with live clocks updating every second. - [Time Difference: New York to Boston](https://top10k.com/tool/time-difference-new-york-to-boston): Shows the current time in New York and Boston side by side. Both cities share Eastern Time (America/New_York), so there is zero offset between them. Includes a meeting-time planner. - [Time Difference: New York to Brussels](https://top10k.com/tool/time-difference-new-york-to-brussels): Shows the current time in New York (ET) and Brussels (CET/CEST) side by side, calculates the offset, and lets users find what time it will be in Brussels when it is a given time in New York. - [Time Difference: New York to Budapest](https://top10k.com/tool/time-difference-new-york-to-budapest): Shows the current time difference between New York (America/New_York) and Budapest (Europe/Budapest), displays both current times live, and lets users convert any time between the two zones. - [Time Difference: New York to Cairo](https://top10k.com/tool/time-difference-new-york-to-cairo): Shows the current time difference between New York (America/New_York) and Cairo (Africa/Cairo) and lets users convert meeting times between the two cities. - [Time Difference: New York to Chicago](https://top10k.com/tool/time-difference-new-york-to-chicago): Shows the current time difference between New York (Eastern Time) and Chicago (Central Time) with live clocks for both cities. - [Time Difference: New York to Copenhagen](https://top10k.com/tool/time-difference-new-york-to-copenhagen): Shows the current time difference between New York (ET) and Copenhagen (CET/CEST) with live clocks updating every second and a meeting-time converter. - [Time Difference: New York to Denver](https://top10k.com/tool/time-difference-new-york-to-denver): Shows the current time difference between New York (Eastern Time) and Denver (Mountain Time) with live clocks for both cities. - [Time Difference: New York to Dhaka](https://top10k.com/tool/time-difference-new-york-to-dhaka): Shows the current time difference between New York (EST/EDT) and Dhaka (BST, UTC+6) with live clocks and a meeting planner. - [Time Difference: New York to Dubai](https://top10k.com/tool/time-difference-new-york-to-dubai): Shows the current time difference between New York (ET) and Dubai (GST, UTC+4) and lets users convert a specific time between the two cities. - [Time Difference: New York to Dublin](https://top10k.com/tool/time-difference-new-york-to-dublin): Shows live current times in New York (America/New_York) and Dublin (Europe/Dublin), calculates the hour offset between them, and includes a meeting-time planner to find overlapping business hours. - [Time Difference: New York to Frankfurt](https://top10k.com/tool/time-difference-new-york-to-frankfurt): Shows the current time difference between New York (EST/EDT) and Frankfurt (CET/CEST) with live clocks updating every second. - [Time Difference: New York to Hanoi](https://top10k.com/tool/time-difference-new-york-to-hanoi): Shows the current time in New York and Hanoi side by side, calculates the live hour offset between the two cities, and lets the user convert any chosen New York hour to Hanoi time with a meeting pl… - [Time Difference: New York to Helsinki](https://top10k.com/tool/time-difference-new-york-to-helsinki): Shows the current time difference between New York (America/New_York) and Helsinki (Europe/Helsinki) and lets users convert a time between the two zones. - [Time Difference: New York to Ho Chi Minh City](https://top10k.com/tool/time-difference-new-york-to-ho-chi-minh-city): Shows the current time in New York and Ho Chi Minh City side by side, calculates the live hour offset between the two cities, and lets the user convert any chosen hour between the two time zones. - [Time Difference: New York to Hong Kong](https://top10k.com/tool/time-difference-new-york-to-hong-kong): Shows the current time in New York and Hong Kong side by side, displays the hour offset between the two cities, and lets you pick any New York hour to see the matching Hong Kong time. - [Time Difference: New York to Istanbul](https://top10k.com/tool/time-difference-new-york-to-istanbul): Shows the current time difference between New York (America/New_York) and Istanbul (Europe/Istanbul) and lets users convert a specific time in one city to the other. - [Time Difference: New York to Jakarta](https://top10k.com/tool/time-difference-new-york-to-jakarta): Show the current time difference between New York (America/New_York) and Jakarta (Asia/Jakarta, WIB UTC+7), with a live clock and meeting planner for overlapping business hours. - [Time Difference: New York to Johannesburg](https://top10k.com/tool/time-difference-new-york-to-johannesburg): Shows the current time difference between New York (America/New_York) and Johannesburg (Africa/Johannesburg, UTC+2) and lets users convert meeting times between the two cities. - [Time Difference: New York to Karachi](https://top10k.com/tool/time-difference-new-york-to-karachi): Shows the current time difference between New York (ET) and Karachi (PKT, UTC+5) and lets users convert a specific time between the two cities. - [Time Difference: New York to Kuala Lumpur](https://top10k.com/tool/time-difference-new-york-to-kuala-lumpur): Shows the current time in New York and Kuala Lumpur side by side, calculates the live hour offset between the two cities, and highlights business hour overlap for scheduling calls. - [Time Difference: New York to Lagos](https://top10k.com/tool/time-difference-new-york-to-lagos): Shows the current time difference between New York (America/New_York) and Lagos (Africa/Lagos, WAT UTC+1) and lets users convert a specific time between the two cities. - [Time Difference: New York to Lisbon](https://top10k.com/tool/time-difference-new-york-to-lisbon): Shows the current time in New York (EST/EDT) and Lisbon (WET/WEST) side by side, displays the offset in hours, and lets the user enter a local time to see the equivalent in the other city. - [Time Difference: New York to London](https://top10k.com/tool/time-difference-new-york-to-london): Shows the current time difference between New York (America/New_York) and London (Europe/London), updating live every second. - [Time Difference: New York to Los Angeles](https://top10k.com/tool/time-difference-new-york-to-los-angeles): Shows the current time difference between New York (ET) and Los Angeles (PT) and converts any given time between the two zones. - [Time Difference: New York to Madrid](https://top10k.com/tool/time-difference-new-york-to-madrid): Shows the current time in New York (America/New_York) and Madrid (Europe/Madrid) side by side, with the live hour offset updated every second and automatic DST handling. - [Time Difference: New York to Manila](https://top10k.com/tool/time-difference-new-york-to-manila): Shows the current time in New York and Manila side by side, calculates the live hour offset between the two cities, and lets users convert any New York hour to Manila time. - [Time Difference: New York to Melbourne](https://top10k.com/tool/time-difference-new-york-to-melbourne): Shows the current time in both New York (ET) and Melbourne (AEST/AEDT) and the exact hour offset between them, with a converter to find the Melbourne equivalent for any New York hour (and vice versa). - [Time Difference: New York to Mexico City](https://top10k.com/tool/time-difference-new-york-to-mexico-city): Shows the current time in New York (America/New_York) and Mexico City (America/Mexico_City) side by side and calculates the hour offset between them. - [Time Difference: New York to Miami](https://top10k.com/tool/time-difference-new-york-to-miami): Shows current time in New York and Miami side-by-side and calculates the time difference between the two cities. - [Time Difference: New York to Moscow](https://top10k.com/tool/time-difference-new-york-to-moscow): Shows the current time in New York (EST/EDT) and Moscow (MSK) side-by-side, calculates the hour offset between the two cities, and lets users convert a specific time from one city to the other. - [Time Difference: New York to Mumbai](https://top10k.com/tool/time-difference-new-york-to-mumbai): Shows the current time in both New York (America/New_York) and Mumbai (Asia/Kolkata), calculates the hour offset, and lets the user convert any chosen time between the two cities. - [Time Difference: New York to Nairobi](https://top10k.com/tool/time-difference-new-york-to-nairobi): Shows the current time in New York (America/New_York) and Nairobi (Africa/Nairobi, EAT UTC+3) side by side, calculates the offset, and lets users convert a specific time between the two cities. - [Time Difference: New York to New Delhi](https://top10k.com/tool/time-difference-new-york-to-new-delhi): Shows the current time in both New York (America/New_York) and New Delhi (Asia/Kolkata / IST), calculates the hour offset, and lets the user convert any chosen time between the two cities. - [Time Difference: New York to Oslo](https://top10k.com/tool/time-difference-new-york-to-oslo): Shows the current time in New York and Oslo side by side, with the live hour offset between the two cities. - [Time Difference: New York to Paris](https://top10k.com/tool/time-difference-new-york-to-paris): Shows the current time difference between New York (EST/EDT) and Paris (CET/CEST) with live clocks updating every second. - [Time Difference: New York to Phoenix](https://top10k.com/tool/time-difference-new-york-to-phoenix): Shows the current time difference between New York (ET) and Phoenix (MST, no DST) and converts a given time between the two zones. - [Time Difference: New York to Prague](https://top10k.com/tool/time-difference-new-york-to-prague): Shows the current time difference between New York (EST/EDT) and Prague (CET/CEST) with live clocks updating every second. - [Time Difference: New York to Riyadh](https://top10k.com/tool/time-difference-new-york-to-riyadh): Shows the current time difference between New York (ET) and Riyadh (AST, UTC+3) and lets users convert a specific time between the two cities. - [Time Difference: New York to Rome](https://top10k.com/tool/time-difference-new-york-to-rome): Shows the current time in New York (America/New_York) and Rome (Europe/Rome) side by side and calculates the live hour offset, accounting for DST in both cities. - [Time Difference: New York to San Francisco](https://top10k.com/tool/time-difference-new-york-to-san-francisco): Shows the current time in New York (Eastern Time) and San Francisco (Pacific Time) side by side and calculates the hour offset, with DST awareness. - [Time Difference: New York to Sao Paulo](https://top10k.com/tool/time-difference-new-york-to-sao-paulo): Shows the current time in New York (EST/EDT) and Sao Paulo (BRT) side by side, calculates the live hour offset between the two cities, and lets you convert any New York hour to the matching Sao Pau… - [Time Difference: New York to Seattle](https://top10k.com/tool/time-difference-new-york-to-seattle): Shows the current time in both New York (ET) and Seattle (PT) and the live time difference between them, updating every second. - [Time Difference: New York to Seoul](https://top10k.com/tool/time-difference-new-york-to-seoul): Show the current time difference between New York (America/New_York) and Seoul (Asia/Seoul, KST UTC+9), with a live clock and meeting planner for overlapping business hours. - [Time Difference: New York to Shanghai](https://top10k.com/tool/time-difference-new-york-to-shanghai): Shows the current time in New York and Shanghai side by side and calculates the live hour offset between the two cities. - [Time Difference: New York to Singapore](https://top10k.com/tool/time-difference-new-york-to-singapore): Shows the current time in New York and Singapore side by side, calculates the live hour offset between the two cities, and highlights business hour overlap for scheduling calls. - [Time Difference: New York to Stockholm](https://top10k.com/tool/time-difference-new-york-to-stockholm): Shows current time in New York (America/New_York) and Stockholm (Europe/Stockholm) side by side with the hour offset between them. - [Time Difference: New York to Sydney](https://top10k.com/tool/time-difference-new-york-to-sydney): Shows the current time in both New York (ET) and Sydney (AEST/AEDT) and the exact hour offset between them, with a converter to find the Sydney equivalent for any New York hour (and vice versa). - [Time Difference: New York to Tehran](https://top10k.com/tool/time-difference-new-york-to-tehran): Shows the current time difference between New York (EST/EDT) and Tehran (IRST) and lets users convert a chosen time between the two zones. - [Time Difference: New York to Tokyo](https://top10k.com/tool/time-difference-new-york-to-tokyo): Shows the current time in New York and Tokyo side by side, displays the hour offset between the two cities, and lets you pick any New York hour to see the matching Tokyo time. - [Time Difference: New York to Toronto](https://top10k.com/tool/time-difference-new-york-to-toronto): Shows the current time in New York (ET) and Toronto (ET) side by side, explains their UTC offsets, and lets the user convert any time between the two cities. - [Time Difference: New York to Vancouver](https://top10k.com/tool/time-difference-new-york-to-vancouver): Shows the current time difference between New York (ET) and Vancouver (PT) and lets you convert a specific time between the two zones. - [Time Difference: New York to Vienna](https://top10k.com/tool/time-difference-new-york-to-vienna): Shows the current time difference between New York (America/New_York) and Vienna (Europe/Vienna), displays both current times live, and lets users convert any time between the two zones. - [Time Difference: New York to Warsaw](https://top10k.com/tool/time-difference-new-york-to-warsaw): Shows the current time difference between New York (ET) and Warsaw (CET/CEST) with live clocks updating every second. - [Time Difference: New York to Washington DC](https://top10k.com/tool/time-difference-new-york-to-washington-dc): Shows the current time in New York and Washington DC side by side. Both cities share Eastern Time (America/New_York), so there is zero offset between them. Includes a meeting-time planner. - [Time Difference: New York to Zurich](https://top10k.com/tool/time-difference-new-york-to-zurich): Shows the current time difference between New York (America/New_York) and Zurich (Europe/Zurich) and lets users convert a specific time between the two zones. - [Time Difference: Tokyo to Amsterdam](https://top10k.com/tool/time-difference-tokyo-to-amsterdam) - [Time Difference: Tokyo to Athens](https://top10k.com/tool/time-difference-tokyo-to-athens) - [Time Difference: Tokyo to Auckland](https://top10k.com/tool/time-difference-tokyo-to-auckland) - [Time Difference: Tokyo to Bangkok](https://top10k.com/tool/time-difference-tokyo-to-bangkok) - [Time Difference: Tokyo to Barcelona](https://top10k.com/tool/time-difference-tokyo-to-barcelona) - [Time Difference: Tokyo to Beijing](https://top10k.com/tool/time-difference-tokyo-to-beijing) - [Time Difference: Tokyo to Berlin](https://top10k.com/tool/time-difference-tokyo-to-berlin) - [Time Difference: Tokyo to Boston](https://top10k.com/tool/time-difference-tokyo-to-boston): Shows current time in Tokyo (JST, UTC+9) and Boston (EST/EDT, UTC-5/-4) and the hour offset between them. - [Time Difference: Tokyo to Brussels](https://top10k.com/tool/time-difference-tokyo-to-brussels) - [Time Difference: Tokyo to Budapest](https://top10k.com/tool/time-difference-tokyo-to-budapest) - [Time Difference: Tokyo to Cairo](https://top10k.com/tool/time-difference-tokyo-to-cairo): Shows the current time difference between Tokyo (JST, UTC+9) and Cairo (EET, UTC+2 / EEST UTC+3 during DST) and lets you convert any specific time between the two cities. - [Time Difference: Tokyo to Chicago](https://top10k.com/tool/time-difference-tokyo-to-chicago): Shows the current time difference between Tokyo (JST, UTC+9) and Chicago (CST/CDT, UTC-6/-5) with live clocks and meeting planner. - [Time Difference: Tokyo to Copenhagen](https://top10k.com/tool/time-difference-tokyo-to-copenhagen) - [Time Difference: Tokyo to Denver](https://top10k.com/tool/time-difference-tokyo-to-denver): Shows the current time in Tokyo (JST, UTC+9) and Denver (MST/MDT) with the live time difference, noting US DST changes. - [Time Difference: Tokyo to Dhaka](https://top10k.com/tool/time-difference-tokyo-to-dhaka) - [Time Difference: Tokyo to Dubai](https://top10k.com/tool/time-difference-tokyo-to-dubai) - [Time Difference: Tokyo to Dublin](https://top10k.com/tool/time-difference-tokyo-to-dublin) - [Time Difference: Tokyo to Frankfurt](https://top10k.com/tool/time-difference-tokyo-to-frankfurt) - [Time Difference: Tokyo to Hanoi](https://top10k.com/tool/time-difference-tokyo-to-hanoi): Shows the current time in Tokyo (JST, UTC+9) and Hanoi (ICT, UTC+7), the 2-hour offset between them, and lets users convert a specific time between the two cities. - [Time Difference: Tokyo to Helsinki](https://top10k.com/tool/time-difference-tokyo-to-helsinki) - [Time Difference: Tokyo to Ho Chi Minh City](https://top10k.com/tool/time-difference-tokyo-to-ho-chi-minh-city) - [Time Difference: Tokyo to Hong Kong](https://top10k.com/tool/time-difference-tokyo-to-hong-kong) - [Time Difference: Tokyo to Istanbul](https://top10k.com/tool/time-difference-tokyo-to-istanbul) - [Time Difference: Tokyo to Jakarta](https://top10k.com/tool/time-difference-tokyo-to-jakarta) - [Time Difference: Tokyo to Johannesburg](https://top10k.com/tool/time-difference-tokyo-to-johannesburg): Shows the current time in Tokyo (JST, UTC+9) and Johannesburg (SAST, UTC+2) side by side, calculates the 7-hour gap between them, and includes a meeting-time planner to find overlapping business ho… - [Time Difference: Tokyo to Karachi](https://top10k.com/tool/time-difference-tokyo-to-karachi) - [Time Difference: Tokyo to Kuala Lumpur](https://top10k.com/tool/time-difference-tokyo-to-kuala-lumpur) - [Time Difference: Tokyo to Lagos](https://top10k.com/tool/time-difference-tokyo-to-lagos) - [Time Difference: Tokyo to Lisbon](https://top10k.com/tool/time-difference-tokyo-to-lisbon): Shows the current time in Tokyo (JST, UTC+9) and Lisbon (WET/WEST, UTC+0/+1), calculates the time gap, and helps schedule meetings between Japan and Portugal. - [Time Difference: Tokyo to London](https://top10k.com/tool/time-difference-tokyo-to-london) - [Time Difference: Tokyo to Los Angeles](https://top10k.com/tool/time-difference-tokyo-to-los-angeles) - [Time Difference: Tokyo to Madrid](https://top10k.com/tool/time-difference-tokyo-to-madrid) - [Time Difference: Tokyo to Manila](https://top10k.com/tool/time-difference-tokyo-to-manila) - [Time Difference: Tokyo to Melbourne](https://top10k.com/tool/time-difference-tokyo-to-melbourne) - [Time Difference: Tokyo to Mexico City](https://top10k.com/tool/time-difference-tokyo-to-mexico-city) - [Time Difference: Tokyo to Miami](https://top10k.com/tool/time-difference-tokyo-to-miami) - [Time Difference: Tokyo to Moscow](https://top10k.com/tool/time-difference-tokyo-to-moscow): Shows current time in Tokyo (JST, UTC+9) and Moscow (MSK, UTC+3) side by side, calculates the 6-hour offset, and helps schedule calls between Japan and Russia. - [Time Difference: Tokyo to Mumbai](https://top10k.com/tool/time-difference-tokyo-to-mumbai) - [Time Difference: Tokyo to Nairobi](https://top10k.com/tool/time-difference-tokyo-to-nairobi) - [Time Difference: Tokyo to New Delhi](https://top10k.com/tool/time-difference-tokyo-to-new-delhi) - [Time Difference: Tokyo to New York](https://top10k.com/tool/time-difference-tokyo-to-new-york): Shows the current time difference between Tokyo (JST, UTC+9) and New York (EST/EDT) and lets users convert any Tokyo time to New York time. - [Time Difference: Tokyo to Oslo](https://top10k.com/tool/time-difference-tokyo-to-oslo) - [Time Difference: Tokyo to Paris](https://top10k.com/tool/time-difference-tokyo-to-paris) - [Time Difference: Tokyo to Phoenix](https://top10k.com/tool/time-difference-tokyo-to-phoenix): Show the live current time in Tokyo (JST, UTC+9) and Phoenix (MST, UTC-7), with the hour gap and a conversion table for meeting planning. - [Time Difference: Tokyo to Prague](https://top10k.com/tool/time-difference-tokyo-to-prague) - [Time Difference: Tokyo to Riyadh](https://top10k.com/tool/time-difference-tokyo-to-riyadh) - [Time Difference: Tokyo to Rome](https://top10k.com/tool/time-difference-tokyo-to-rome) - [Time Difference: Tokyo to San Francisco](https://top10k.com/tool/time-difference-tokyo-to-san-francisco) - [Time Difference: Tokyo to Sao Paulo](https://top10k.com/tool/time-difference-tokyo-to-sao-paulo): Shows the current time difference between Tokyo (JST, UTC+9) and Sao Paulo (BRT, UTC-3) and lets users convert a specific time between the two cities. - [Time Difference: Tokyo to Seattle](https://top10k.com/tool/time-difference-tokyo-to-seattle) - [Time Difference: Tokyo to Seoul](https://top10k.com/tool/time-difference-tokyo-to-seoul): Shows the current time in Tokyo (JST, UTC+9) and Seoul (KST, UTC+9) and calculates the time difference between the two cities. Also lets you convert any custom time between the two zones. - [Time Difference: Tokyo to Shanghai](https://top10k.com/tool/time-difference-tokyo-to-shanghai) - [Time Difference: Tokyo to Singapore](https://top10k.com/tool/time-difference-tokyo-to-singapore) - [Time Difference: Tokyo to Stockholm](https://top10k.com/tool/time-difference-tokyo-to-stockholm) - [Time Difference: Tokyo to Sydney](https://top10k.com/tool/time-difference-tokyo-to-sydney) - [Time Difference: Tokyo to Tehran](https://top10k.com/tool/time-difference-tokyo-to-tehran) - [Time Difference: Tokyo to Toronto](https://top10k.com/tool/time-difference-tokyo-to-toronto) - [Time Difference: Tokyo to Vancouver](https://top10k.com/tool/time-difference-tokyo-to-vancouver): Shows the current time difference between Tokyo (JST, UTC+9) and Vancouver (PT, UTC-8/-7) with a live clock and meeting planner. - [Time Difference: Tokyo to Vienna](https://top10k.com/tool/time-difference-tokyo-to-vienna) - [Time Difference: Tokyo to Warsaw](https://top10k.com/tool/time-difference-tokyo-to-warsaw) - [Time Difference: Tokyo to Washington DC](https://top10k.com/tool/time-difference-tokyo-to-washington-dc) - [Time Difference: Tokyo to Zurich](https://top10k.com/tool/time-difference-tokyo-to-zurich) - [Time Duration Calculator](https://top10k.com/tool/time-duration-calculator): Calculate the exact duration between two clock times in hours, minutes, and seconds. Supports overnight spans (e.g. 11 PM to 6 AM). - [Time Zone Converter](https://top10k.com/tool/time-zone-converter): Convert a date and time from any source time zone to one or more target time zones instantly. Supports ~50 popular IANA time zones with automatic DST handling via the browser Intl API. - [Time Zone Meeting Planner](https://top10k.com/tool/time-zone-meeting-planner): Shows a selected meeting time converted across multiple world time zones simultaneously, highlighting business hours for each city. - [Unix Timestamp Converter](https://top10k.com/tool/unix-timestamp-converter): Convert between Unix epoch timestamps (seconds or milliseconds) and human-readable dates in any timezone or ISO 8601 format. - [Unix Timestamp Converter](https://top10k.com/tool/unix-timestamp-converter-2): Converts Unix epoch timestamps to human-readable dates and vice versa, with timezone support. - [USA Time Zones Overview](https://top10k.com/tool/usa-time-zones): Shows all major US time zones (ET, CT, MT, PT, AKT, HT) with current local times, UTC offsets, and DST status, auto-updating every second. - [Week Number Calculator](https://top10k.com/tool/week-number-calculator): Pick any date and instantly see its ISO 8601 week number, US week number, day of year, day of week, quarter, and an ISO calendar date string. A 3-week mini-calendar highlights the selected week at … - [Work Hours Calculator](https://top10k.com/tool/work-hours-calculator): Calculate hours worked from start and end times with optional unpaid break deduction and pay calculation. Supports single-day and weekly timesheet modes. ## Unit Converters (1229) - [Acres to Hectares Converter](https://top10k.com/tool/acre-to-hectare): Converts land area measurements from acres to hectares instantly. Enter any acreage and get the hectare equivalent with the conversion formula. - [Acres to Square Feet Converter](https://top10k.com/tool/acre-to-square-foot): Converts area measurements from acres to square feet instantly. Enter any acreage value and get the precise square footage in real time. - [Acres to Square Inches Converter](https://top10k.com/tool/acre-to-square-inch): Converts acres to square inches instantly with the correct conversion factor (1 acre = 6,272,640 square inches). Supports decimal and fractional acre inputs. - [Acres to Square Kilometers Converter](https://top10k.com/tool/acre-to-square-kilometer): Converts area values from acres to square kilometers instantly. Enter any acreage and get the precise square kilometer equivalent with a reverse converter included. - [Acres to Square Meters Converter](https://top10k.com/tool/acre-to-square-meter): Converts acres to square meters instantly with common real-world reference points to help you visualize the result. - [Acres to Square Miles Converter](https://top10k.com/tool/acre-to-square-mile): Converts acres to square miles instantly using the exact conversion factor (1 acre = 0.0015625 square miles). - [Acres to Square Yards Converter](https://top10k.com/tool/acre-to-square-yard): Converts area measurements from acres to square yards instantly. Enter any acreage and get the exact square yard equivalent with a clear breakdown. - [Ampere Hours to Coulombs Converter](https://top10k.com/tool/ampere-hour-to-coulomb): Converts electric charge from ampere-hours (Ah) to coulombs (C). 1 Ah = 3600 C. Used in battery specifications, electroplating, and electrical engineering calculations. - [Ampere Hours to Faradays Converter](https://top10k.com/tool/ampere-hour-to-faraday): Convert ampere-hours (Ah) to faradays of electric charge using the Faraday constant (1 F = 96485 C = 26.801 Ah). - [Ampere Hours to mAh Converter](https://top10k.com/tool/ampere-hour-to-milliampere-hour): Converts battery capacity in ampere-hours (Ah) to milliampere-hours (mAh). 1 Ah = 1000 mAh exactly. - [Angle Converter](https://top10k.com/tool/angle-converter): Convert angle values between degrees, radians, gradians, and turns instantly. Includes a live SVG circle diagram showing the angle visually. - [Arcminutes to Arcseconds Converter](https://top10k.com/tool/arcminute-to-arcsecond): Convert arcminutes to arcseconds instantly. 1 arcminute equals exactly 60 arcseconds. Used in astronomy, navigation, and surveying. - [Arcminutes to Degrees Converter](https://top10k.com/tool/arcminute-to-degree): Convert arcminutes to decimal degrees instantly. 60 arcminutes = 1 degree. Also shows the result in degrees, minutes, and seconds (DMS) notation. - [Arcminutes to Gradians Converter](https://top10k.com/tool/arcminute-to-gradian): Convert arcminutes to gradians (gon) instantly. 60 arcminutes = 1 degree = 10/9 gradians. Also shows the result in degrees and radians. - [Arcminutes to Radians Converter](https://top10k.com/tool/arcminute-to-radian): Converts arcminutes to radians, where 1 arcminute = π/10800 radians. - [Arcminutes to Turns Converter](https://top10k.com/tool/arcminute-to-turn): Convert arcminutes to turns (full rotations). 21,600 arcminutes equal exactly 1 turn. Also shows the result in degrees, radians, and gradians. - [Arcseconds to Arcminutes Converter](https://top10k.com/tool/arcsecond-to-arcminute): Convert arcseconds to arcminutes. 60 arcseconds = 1 arcminute. Useful for astronomy, navigation, and angle measurement calculations. - [Arcseconds to Degrees Converter](https://top10k.com/tool/arcsecond-to-degree): Convert arcseconds to decimal degrees. 3600 arcseconds = 1 degree. Useful for astronomy, GPS coordinates, and surveying calculations. - [Arcseconds to Gradians Converter](https://top10k.com/tool/arcsecond-to-gradian): Converts arcseconds to gradians (gon), where 3600 arcseconds = 1 degree = 10/9 gradians. Also shows the result in degrees and radians. - [Arcseconds to Radians Converter](https://top10k.com/tool/arcsecond-to-radian): Converts arcseconds to radians, where 1 arcsecond = π/648000 radians. - [Arcseconds to Turns Converter](https://top10k.com/tool/arcsecond-to-turn): Converts arcseconds to turns (full rotations), where 1,296,000 arcseconds = 1 turn. Also shows degrees, radians, and gradians. - [Atmospheres to Bars Converter](https://top10k.com/tool/atmosphere-to-bar): Converts pressure values from atmospheres (atm) to bars with formula reference and common conversion table. - [Atmospheres to inHg Converter](https://top10k.com/tool/atmosphere-to-inhg): Converts pressure values from atmospheres (atm) to inches of mercury (inHg) used in aviation and US weather reporting. - [Atmospheres to Kilopascals Converter](https://top10k.com/tool/atmosphere-to-kilopascal): Convert pressure values from atmospheres (atm) to kilopascals (kPa) with reverse conversion and a quick reference table. - [Atmospheres to mmHg Converter](https://top10k.com/tool/atmosphere-to-mmhg): Convert pressure values from atmospheres (atm) to millimeters of mercury (mmHg) used in blood pressure and barometric readings. - [Atmospheres to Pascals Converter](https://top10k.com/tool/atmosphere-to-pascal): Convert pressure values from atmospheres (atm) to pascals (Pa) with common reference values and instant reverse conversion. - [Atmospheres to PSI Converter](https://top10k.com/tool/atmosphere-to-psi): Convert pressure values from atmospheres (atm) to pounds per square inch (PSI) with reverse conversion and a quick reference table. - [Atmospheres to Torr Converter](https://top10k.com/tool/atmosphere-to-torr): Converts pressure values from atmospheres (atm) to Torr units with formula explanation and reference table. - [Bars to Atmospheres Converter](https://top10k.com/tool/bar-to-atmosphere): Converts a pressure value in bar to standard atmospheres (atm), with common reference pressures shown. - [Bars to inHg Converter](https://top10k.com/tool/bar-to-inhg): Convert pressure in bars to inches of mercury (inHg). 1 bar = 29.5300 inHg. Includes reverse inHg-to-bar conversion and a reference table of common values. - [Bars to Kilopascals Converter](https://top10k.com/tool/bar-to-kilopascal): Convert pressure values from bars to kilopascals (kPa), with reverse kPa-to-bar conversion and a reference table of common pressures. - [Bars to mmHg Converter](https://top10k.com/tool/bar-to-mmhg): Convert pressure in bars to millimeters of mercury (mmHg). 1 bar = 750.062 mmHg. Includes reverse mmHg-to-bar conversion and a reference table of common values. - [Bars to Pascals Converter](https://top10k.com/tool/bar-to-pascal): Convert pressure in bars to pascals (Pa). 1 bar = 100,000 Pa. Includes reverse pascal-to-bar conversion and a reference table of common pressures. - [Bars to PSI Converter](https://top10k.com/tool/bar-to-psi): Convert pressure in bars to pounds per square inch (psi). 1 bar = 14.5038 psi. Includes reverse psi-to-bar conversion and a reference table of common values. - [Bars to Torr Converter](https://top10k.com/tool/bar-to-torr): Convert pressure in bar to torr (mmHg). 1 bar = 750.062 torr. Includes reverse torr-to-bar conversion and a reference table of common pressure values. - [Barrels to Cubic Feet Converter](https://top10k.com/tool/barrel-to-cubic-foot): Converts volume in barrels (oil, US fluid, beer) to cubic feet. Supports US oil barrels (bbl), US fluid barrels, and US beer barrels with a built-in reference table. - [Barrels to Cubic Inches Converter](https://top10k.com/tool/barrel-to-cubic-inch): Convert volume in barrels (US oil, US fluid, US beer) to cubic inches. Supports all three common barrel types with instant results and a reverse converter. - [Barrels to Cubic Meters Converter](https://top10k.com/tool/barrel-to-cubic-meter): Convert US oil barrels (bbl) and US fluid barrels to cubic meters (m³), with reverse conversion. Used in petroleum engineering and international trade. - [Barrels to Cups Converter](https://top10k.com/tool/barrel-to-cup): Converts volume in barrels (US liquid barrel, US oil barrel, or US dry barrel) to cups. Supports all three barrel types with precise conversion factors. - [Barrels to Fluid Ounces Converter](https://top10k.com/tool/barrel-to-fluid-ounce): Converts barrels (US liquid, oil, dry) to fluid ounces with accurate conversion factors for each barrel type. - [Barrels to UK Gallons Converter](https://top10k.com/tool/barrel-to-gallon-uk): Converts oil barrels (bbl) to UK imperial gallons and back. Uses the approximate factor of 34.9723 imperial gallons per barrel. - [Barrels to US Gallons Converter](https://top10k.com/tool/barrel-to-gallon-us): Converts volume in US oil barrels (bbl) to US liquid gallons (gal) and back. Includes a quick-reference table for common barrel quantities. - [Barrels to Liters Converter](https://top10k.com/tool/barrel-to-liter): Convert US oil barrels (bbl) to liters instantly. Includes reverse conversion (liters to barrels) and a quick reference table for common barrel values. - [Barrels to Milliliters Converter](https://top10k.com/tool/barrel-to-milliliter): Convert US oil barrels to milliliters (and back), with reference values for fluid barrels, beer barrels, and other industrial barrel types. - [Barrels to Pints Converter](https://top10k.com/tool/barrel-to-pint): Converts US oil barrels (bbl) to US liquid pints (pt) and back. 1 barrel = 336 US pints. Includes a quick-reference table for common barrel quantities. - [Barrels to Quarts Converter](https://top10k.com/tool/barrel-to-quart): Converts US oil barrels (bbl) to US liquid quarts (qt) and back. 1 barrel = 168 US quarts. Includes a quick-reference table for common barrel quantities. - [Barrels to Tablespoons Converter](https://top10k.com/tool/barrel-to-tablespoon): Converts barrels (US liquid, oil/petroleum, or US dry) to US tablespoons with accurate per-type conversion factors. - [Barrels to Teaspoons Converter](https://top10k.com/tool/barrel-to-teaspoon): Converts volume in barrels (US oil barrels) to teaspoons, with reverse conversion support. - [Barrels to Gallons (Oil)](https://top10k.com/tool/bbl-to-gallon-oil): Converts petroleum barrels (bbl) to US gallons and liters. 1 oil barrel = 42 US gallons exactly, per API and US customary definition. - [Becquerel to Curie Converter](https://top10k.com/tool/becquerel-to-curie): Converts radioactivity values from becquerels (Bq) to curies (Ci); 1 curie = 3.7 × 10^10 becquerels (the activity of 1 gram of radium-226). - [Becquerel to Gray Dose Estimator](https://top10k.com/tool/becquerel-to-gray): Estimate absorbed dose in grays (Gy) from activity in becquerels (Bq) using a scenario-specific absorbed-dose coefficient (Gy/Bq); there is no direct Bq-to-Gy unit conversion. - [Becquerel-Based Rad Dose Estimator](https://top10k.com/tool/becquerel-to-rad): Estimates absorbed dose from radioactivity in becquerels using an assumed deposited energy per decay, absorbing mass, and duration; it is not a direct unit conversion. - [Becquerels to Rem Converter](https://top10k.com/tool/becquerel-to-rem): Converts radioactivity in becquerels (Bq) to dose equivalent in rem using a dose coefficient. Educational converter showing the relationship between activity and biological dose. - [Becquerels to Sieverts Converter](https://top10k.com/tool/becquerel-to-sievert): Converts radioactivity in becquerels (Bq) to effective dose in sieverts (Sv) using ICRP dose coefficients for common radionuclides. Select a nuclide and exposure pathway; note this is an approximat… - [Bits to Bytes Converter](https://top10k.com/tool/bit-to-byte): Converts digital data size from bits to bytes, kilobytes, megabytes, and more. Supports both SI (decimal) and binary (IEC) standards. - [Bits to Gibibytes Converter](https://top10k.com/tool/bit-to-gibibyte): Converts bits to gibibytes (GiB) using the binary definition where 1 GiB = 1,073,741,824 bytes = 8,589,934,592 bits. Shows the conversion formula and a reference table. - [Bits to Gigabytes Converter](https://top10k.com/tool/bit-to-gigabyte): Converts digital data size from bits to gigabytes using both SI decimal (1 GB = 1,000,000,000 bytes) and binary IEC (1 GiB = 1,073,741,824 bytes) definitions. - [Bits to Kibibytes Converter](https://top10k.com/tool/bit-to-kibibyte): Converts bits to kibibytes (KiB) using the binary definition where 1 KiB = 1024 bytes = 8192 bits. Shows the conversion formula and a reference table. - [Bits to Kilobytes Converter](https://top10k.com/tool/bit-to-kilobyte): Converts digital data size from bits to kilobytes in both SI decimal (1 KB = 1000 bytes = 8000 bits) and binary IEC (1 KiB = 1024 bytes = 8192 bits) standards. - [Bits to Mebibytes Converter](https://top10k.com/tool/bit-to-mebibyte): Converts bits to mebibytes (MiB) using the binary definition where 1 MiB = 1,048,576 bytes = 8,388,608 bits. Shows the conversion formula and a reference table. - [Bits to Megabytes Converter](https://top10k.com/tool/bit-to-megabyte): Converts digital data size from bits to megabytes using both SI decimal (1 MB = 1,000,000 bytes) and binary IEC (1 MiB = 1,048,576 bytes) definitions. - [Bits to Petabytes Converter](https://top10k.com/tool/bit-to-petabyte): Converts digital data size from bits to petabytes using both SI decimal (10^15 bytes) and binary IEC (2^50 bytes, pebibytes) definitions. - [Bits to Terabytes Converter](https://top10k.com/tool/bit-to-terabyte): Converts digital data size from bits to terabytes using both SI decimal (1 TB = 10^12 bytes) and binary IEC (1 TiB = 2^40 bytes) definitions. - [bps to Gbps Converter](https://top10k.com/tool/bps-to-gbps): Convert bits per second to gigabits per second instantly. Uses the SI definition: 1 Gbps = 1,000,000,000 bps. Useful for comparing network speeds, ISP plan rates, and bandwidth capacities. - [bps to GB/s Converter](https://top10k.com/tool/bps-to-gbyte-per-second): Convert bits per second to gigabytes per second instantly. Uses the SI definition: 1 GB/s = 8,000,000,000 bps (8 billion bits). Useful for comparing network link speeds against storage throughput f… - [bps to kbps Converter](https://top10k.com/tool/bps-to-kbps): Convert bits per second (bps) to kilobits per second (kbps). Uses the standard SI definition: 1 kbps = 1,000 bps. - [bps to Mbps Converter](https://top10k.com/tool/bps-to-mbps): Convert bits per second (bps) to megabits per second (Mbps). 1 Mbps = 1,000,000 bps. Instant result with formula and common speed reference points. - [bps to MB/s Converter](https://top10k.com/tool/bps-to-mbyte-per-second): Convert bits per second (bps) to megabytes per second (MB/s). 1 MB/s = 8,000,000 bps. Instant bidirectional conversion with formula and speed reference table. - [BTU per Hour to Foot-Pound per Minute Converter](https://top10k.com/tool/btu-per-hour-to-foot-pound-per-minute): Convert power from BTU per hour (BTU/hr) to foot-pounds per minute (ft·lbf/min). Used in HVAC load calculations and mechanical engineering. - [BTU per Hour to Horsepower Converter](https://top10k.com/tool/btu-per-hour-to-horsepower): Converts BTU per hour (BTU/hr) to mechanical horsepower (hp) with instant calculation, useful for comparing HVAC capacity to engine power. - [BTU per Hour to Kilowatts Converter](https://top10k.com/tool/btu-per-hour-to-kilowatt): Converts BTU per hour (BTU/hr) to kilowatts (kW) with instant calculation, useful for HVAC equipment sizing and energy analysis. - [BTU per Hour to Megawatts Converter](https://top10k.com/tool/btu-per-hour-to-megawatt): Converts BTU per hour (BTU/hr) to megawatts (MW) with instant calculation, useful for large-scale power plant and industrial energy analysis. - [BTU per Hour to Watts Converter](https://top10k.com/tool/btu-per-hour-to-watt): Convert one BTU/hour value to watts for heating, cooling, and energy power comparisons, with a reference table of common ratings. - [BTU to Calories Converter](https://top10k.com/tool/btu-to-calorie): Converts energy from British Thermal Units (BTU) to thermochemical calories (cal). 1 BTU = 251.996 cal. - [BTU to Electronvolts Converter](https://top10k.com/tool/btu-to-electronvolt): Converts British Thermal Units (BTU) to electronvolts (eV), used in atomic and molecular energy calculations in physics and chemistry. - [BTU to Foot Pounds Converter](https://top10k.com/tool/btu-to-foot-pound): Converts British Thermal Units (BTU) to foot-pounds (ft·lbf), useful for mechanical engineering and energy comparisons between thermal and mechanical work. - [BTU to Joules Converter](https://top10k.com/tool/btu-to-joule): Converts energy from British Thermal Units (BTU) to joules (J). 1 BTU (IT) = 1055.05585 J. - [BTU to Kilocalories Converter](https://top10k.com/tool/btu-to-kilocalorie) - [BTU to Kilojoules Converter](https://top10k.com/tool/btu-to-kilojoule): Converts energy from British Thermal Units (BTU) to kilojoules (kJ). 1 BTU = 1.05506 kJ. - [BTU to Kilowatt Hours Converter](https://top10k.com/tool/btu-to-kilowatt-hour): Converts energy from British Thermal Units (BTU) to kilowatt-hours (kWh). 1 BTU = 0.000293071 kWh. Common for HVAC sizing, heating systems, and energy cost calculations. - [BTU to Watt Hours Converter](https://top10k.com/tool/btu-to-watt-hour): Converts energy from British Thermal Units (BTU) to watt-hours (Wh). 1 BTU = 0.29307 Wh. - [Bytes to Bits Converter](https://top10k.com/tool/byte-to-bit): Converts bytes to bits (1 byte = 8 bits). Shows the conversion formula, step-by-step working, and a quick-reference table of common byte values. - [Bytes to Gibibytes Converter](https://top10k.com/tool/byte-to-gibibyte): Converts bytes (B) to gibibytes (GiB) using the binary definition: 1 GiB = 1,073,741,824 bytes (2³⁰). Shows calculation steps and comparison with gigabytes. - [Bytes to Gigabytes Converter](https://top10k.com/tool/byte-to-gigabyte): Converts bytes to gigabytes (GB) using the decimal SI definition (1 GB = 1,000,000,000 bytes). Also shows the binary gibibyte (GiB = 1,073,741,824 bytes) and a reference table for common byte values. - [Bytes to Kibibytes Converter](https://top10k.com/tool/byte-to-kibibyte): Converts bytes to kibibytes (KiB) using the IEC binary definition where 1 KiB = 1024 bytes exactly. Explains the difference between KB (1000 bytes) and KiB (1024 bytes). Includes a reference table. - [Bytes to Kilobytes Converter](https://top10k.com/tool/byte-to-kilobyte): Converts bytes to kilobytes (KB) using the decimal SI standard (1 KB = 1000 bytes) with a secondary note on kibibytes (1 KiB = 1024 bytes). Includes a quick-reference table for common byte values. - [Bytes to Mebibytes Converter](https://top10k.com/tool/byte-to-mebibyte): Converts bytes (B) to mebibytes (MiB) using the binary definition: 1 MiB = 1,048,576 bytes (2²⁰). Shows calculation steps and comparison with megabytes. - [Bytes to Megabytes Converter](https://top10k.com/tool/byte-to-megabyte): Converts bytes to megabytes (MB) using the decimal SI definition (1 MB = 1,000,000 bytes), with a parallel mebibyte (MiB) result using the binary IEC definition (1 MiB = 1,048,576 bytes). Includes … - [Bytes to Petabytes Converter](https://top10k.com/tool/byte-to-petabyte): Converts bytes to petabytes (PB) using the decimal SI definition (1 PB = 10^15 bytes). Also shows the binary pebibyte (1 PiB = 2^50 bytes). Includes a reference table covering data center-scale con… - [Bytes to Terabytes Converter](https://top10k.com/tool/byte-to-terabyte): Converts bytes to terabytes (TB) using the decimal SI definition (1 TB = 10^12 bytes). Also shows tebibytes (TiB, 1 TiB = 2^40 bytes) and includes a reference table for common byte counts. - [Bytes to Kilobytes Converter](https://top10k.com/tool/bytes-to-kb): Converts bytes to kilobytes in both SI (1000) and binary (1024) standards. - [Calories to BTU Converter](https://top10k.com/tool/calorie-to-btu): Converts thermochemical calories to British Thermal Units (BTU), common in HVAC, heating, and food energy comparisons. - [Calories to Electronvolts Converter](https://top10k.com/tool/calorie-to-electronvolt): Converts thermochemical calories to electronvolts (eV), keV, MeV, and GeV — bridging chemistry and particle physics energy scales. 1 cal = 4.184 J = 2.6114×10¹⁹ eV. - [Calories to Foot-Pounds Converter](https://top10k.com/tool/calorie-to-foot-pound): Converts thermochemical calories (cal) and kilocalories (kcal) to foot-pounds force (ft·lbf), linking food and chemistry energy to mechanical engineering units. - [Calories to Joules Converter](https://top10k.com/tool/calorie-to-joule): Convert thermochemical calories (cal) and kilocalories (kcal, food Calories) to joules and kilojoules instantly. - [Calories to Kilocalories Converter](https://top10k.com/tool/calorie-to-kilocalorie): Converts small calories (cal) to kilocalories (kcal/Cal), clarifying the cal vs. Calorie confusion in nutrition. - [Calories to Kilojoules Converter](https://top10k.com/tool/calorie-to-kilojoule): Converts thermochemical calories (cal) and food kilocalories (kcal) to kilojoules (kJ). Instant results with formula and reference table. - [Calories to Kilowatt Hours Converter](https://top10k.com/tool/calorie-to-kilowatt-hour): Converts calories (thermochemical cal) or food kilocalories (kcal) to kilowatt-hours (kWh) for energy equivalence comparisons. - [Calories to Watt Hours Converter](https://top10k.com/tool/calorie-to-watt-hour): Converts thermochemical calories (cal) and kilocalories (kcal) to watt-hours (Wh) and kilowatt-hours (kWh), bridging nutrition and electrical energy units. - [Calories to Joules Converter](https://top10k.com/tool/calories-to-joules): Converts small calories (cal) and large Calories (kcal) to joules and kilojoules with a reference table. - [cd/m² to Foot-lamberts Converter](https://top10k.com/tool/candela-per-square-meter-to-foot-lambert) - [Candela per Square Meter to Nit Converter](https://top10k.com/tool/candela-per-square-meter-to-nit): Converts luminance from candela per square meter (cd/m²) to nit (nt). 1 cd/m² = 1 nit exactly. Also shows equivalent foot-lambert and lambert values. - [cd/m2 to Stilb Converter](https://top10k.com/tool/candela-per-square-meter-to-stilb): Converts luminance from candela per square meter (cd/m²) to stilb (sb). 1 cd/m² = 0.0001 sb. Also shows equivalent nit and foot-lambert values. - [Carats to Grains Converter](https://top10k.com/tool/carat-to-grain): Convert weight in carats to grains instantly. 1 carat equals exactly 3.08647 grains. Useful for gemology, precious metals, and historical weight comparison. - [Carats to Grams Converter](https://top10k.com/tool/carat-to-gram): Instantly convert carats to grams. One carat equals exactly 0.2 grams — the international standard for diamond and gemstone weight. - [Carats to Kilograms Converter](https://top10k.com/tool/carat-to-kilogram): Convert carats to kilograms instantly. Uses the exact conversion factor: 1 carat = 0.0002 kg. Ideal for gemologists, jewelers, and anyone working with precious stones. - [Carats to Micrograms Converter](https://top10k.com/tool/carat-to-microgram) - [Carats to Milligrams Converter](https://top10k.com/tool/carat-to-milligram): Convert a weight in carats to milligrams instantly. 1 carat equals exactly 200 milligrams. - [Carats to Ounces Converter](https://top10k.com/tool/carat-to-ounce): Convert carats to troy ounces and avoirdupois ounces instantly. Shows both ounce standards with full precision for gemstones, precious metals, and lab work. - [Carats to Pounds Converter](https://top10k.com/tool/carat-to-pound): Converts gemstone weight in carats (ct) to pounds (lb) instantly. Supports bulk batch conversion and shows intermediate gram values. - [Carats to Stones Converter](https://top10k.com/tool/carat-to-stone): Convert a mass value in carats (ct) to stones (st) and pounds (lb). Useful for gemologists, jewelers, and anyone working across metric and imperial weight systems. - [Carats to Tonnes Converter](https://top10k.com/tool/carat-to-tonne): Convert weight in carats (ct) to tonnes (metric tons). Instant, accurate, client-side conversion for gemstones, pearls, and bulk commodities. - [Celsius to Fahrenheit Converter](https://top10k.com/tool/celsius-to-fahrenheit): Convert Celsius temperatures to Fahrenheit instantly. Includes the conversion formula, reverse Fahrenheit to Celsius, and a quick-reference table of common temperature points. - [Celsius to Kelvin Converter](https://top10k.com/tool/celsius-to-kelvin): Converts Celsius temperatures to Kelvin with absolute zero reference and scientific context. - [Celsius to Rankine Converter](https://top10k.com/tool/celsius-to-rankine) - [Celsius to Reaumur Converter](https://top10k.com/tool/celsius-to-reaumur): Convert temperature from Celsius to the Reaumur scale. Re = C × 0.8; water freezes at 0 Re and boils at 80 Re. - [Centimeters to Feet Converter](https://top10k.com/tool/centimeter-to-foot): Converts centimeters to feet and inches instantly. Includes a reference table of common heights and a reverse feet-to-centimeters lookup. - [Centimeters to Furlongs Converter](https://top10k.com/tool/centimeter-to-furlong): Convert centimeters to furlongs with instant results and reverse conversion. - [Centimeters to Inches Converter](https://top10k.com/tool/centimeter-to-inch): Convert centimeters to inches instantly with formula explanation. Supports reverse conversion from inches to centimeters and includes a quick-reference table of common lengths. - [Centimeters to Kilometers Converter](https://top10k.com/tool/centimeter-to-kilometer) - [Centimeters to Light Years Converter](https://top10k.com/tool/centimeter-to-light-year): Convert centimeters to light years with scientific notation support for astronomical distances. - [Centimeters to Meters Converter](https://top10k.com/tool/centimeter-to-meter) - [Centimeters to Micrometers Converter](https://top10k.com/tool/centimeter-to-micrometer): Converts a length value in centimeters to micrometers (microns) instantly. - [Centimeters to Miles Converter](https://top10k.com/tool/centimeter-to-mile): Instantly convert centimeters to miles with precision. See the full breakdown including intermediate units like meters, feet, and yards. - [Centimeters to Millimeters Converter](https://top10k.com/tool/centimeter-to-millimeter) - [Centimeters to Nanometers Converter](https://top10k.com/tool/centimeter-to-nanometer): Converts a length value in centimeters to nanometers instantly. - [Centimeters to Nautical Miles Converter](https://top10k.com/tool/centimeter-to-nautical-mile): Convert centimeters to nautical miles instantly. Includes reverse conversion and a quick-reference table for common values. - [Centimeters to Yards Converter](https://top10k.com/tool/centimeter-to-yard) - [Centipoise to Pascal Seconds Converter](https://top10k.com/tool/centipoise-to-pascal-second): Converts dynamic viscosity from centipoise (cP) to pascal-seconds (Pa·s). 1 cP = 0.001 Pa·s. - [Centipoise to Poise Converter](https://top10k.com/tool/centipoise-to-poise): Converts dynamic viscosity from centipoise (cP) to poise (P); 1 cP = 0.01 P. - [CM to EU Shoe Size Converter](https://top10k.com/tool/cm-shoe-to-eu-shoe): Converts foot length in centimeters to European (EU) shoe sizes for men, women, and children. - [CM to UK Shoe Size Converter](https://top10k.com/tool/cm-shoe-to-uk-shoe): Converts foot length in centimeters to UK shoe sizes for men, women, and children using standard lookup tables. - [CM to US Shoe Size Converter](https://top10k.com/tool/cm-shoe-to-us-shoe): Converts foot length in centimeters to US shoe sizes for men, women, and children. - [Coulombs to Ampere Hours Converter](https://top10k.com/tool/coulomb-to-ampere-hour): Converts electric charge from coulombs (C) to ampere-hours (Ah). 1 Ah = 3600 C. Used in battery capacity calculations and electrochemistry. - [Coulombs to Faradays Converter](https://top10k.com/tool/coulomb-to-faraday): Converts electric charge in coulombs to faradays (electrochemistry unit). 1 faraday = 96485.33212 C (CODATA). Used in electrolysis, electroplating, and electrochemical cell calculations. - [Coulombs to mAh Converter](https://top10k.com/tool/coulomb-to-milliampere-hour): Converts electric charge in coulombs (C) to milliampere-hours (mAh). 1 C = 1000/3600 mAh ≈ 0.27778 mAh. Useful for battery capacity calculations and electrochemistry. - [CFM to m3/h Converter](https://top10k.com/tool/cubic-foot-per-minute-to-cubic-meter-per-hour): Convert cubic feet per minute (CFM) to cubic meters per hour (m³/h) and back. Includes formula, common reference values, and reverse conversion. - [CFM to GPM Converter](https://top10k.com/tool/cubic-foot-per-minute-to-gallon-per-minute): Converts volumetric flow rate from cubic feet per minute (CFM) to US gallons per minute (GPM). Uses exact factor: 1 CFM = 7.48051948 US GPM. Used in HVAC, pump engineering, and fluid system design. - [CFM to L/min Converter](https://top10k.com/tool/cubic-foot-per-minute-to-liter-per-minute) - [Cubic Feet to Barrels Converter](https://top10k.com/tool/cubic-foot-to-barrel): Converts cubic feet to oil barrels (and back), useful for petroleum and liquid volume conversions. - [Cubic Feet to Cubic Inches Converter](https://top10k.com/tool/cubic-foot-to-cubic-inch): Converts cubic feet to cubic inches instantly with a clean input/output form. - [Cubic Feet to Cubic Meters Converter](https://top10k.com/tool/cubic-foot-to-cubic-meter): Convert cubic feet to cubic meters instantly. Includes reverse conversion (cubic meters to cubic feet) and a quick reference table for common values. - [Cubic Feet to Cups Converter](https://top10k.com/tool/cubic-foot-to-cup): Converts cubic feet to cups (US) with instant bidirectional conversion. - [Cubic Feet to Fluid Ounces Converter](https://top10k.com/tool/cubic-foot-to-fluid-ounce): Convert cubic feet to US fluid ounces instantly. Includes reverse conversion (fluid ounces to cubic feet) and a quick reference table for common values. - [Cubic Feet to UK Gallons Converter](https://top10k.com/tool/cubic-foot-to-gallon-uk): Converts cubic feet to imperial (UK) gallons with instant results. - [Cubic Feet to US Gallons Converter](https://top10k.com/tool/cubic-foot-to-gallon-us): Convert cubic feet to US liquid gallons and back. Includes a reference table for common values. - [Cubic Feet to Liters Converter](https://top10k.com/tool/cubic-foot-to-liter): Convert cubic feet to liters instantly. Includes reverse conversion (liters to cubic feet) and a quick reference table for common values. - [Cubic Feet to Milliliters Converter](https://top10k.com/tool/cubic-foot-to-milliliter): Convert cubic feet to milliliters instantly. Includes reverse conversion (milliliters to cubic feet) and a quick reference table for common values. - [Cubic Feet to Pints Converter](https://top10k.com/tool/cubic-foot-to-pint): Converts cubic feet to US liquid pints and back. Includes a reference table for common values. - [Cubic Feet to Quarts Converter](https://top10k.com/tool/cubic-foot-to-quart): Converts cubic feet to US liquid quarts with instant results. - [Cubic Feet to Tablespoons Converter](https://top10k.com/tool/cubic-foot-to-tablespoon): Converts cubic feet to US tablespoons with instant bidirectional conversion. - [Cubic Feet to Teaspoons Converter](https://top10k.com/tool/cubic-foot-to-teaspoon): Convert cubic feet to US and metric teaspoons with instant bidirectional conversion. - [Cubic Inches to Barrels Converter](https://top10k.com/tool/cubic-inch-to-barrel): Convert cubic inches to US oil barrels and back. Includes reference values for common volume units. - [Cubic Inches to Cubic Feet Converter](https://top10k.com/tool/cubic-inch-to-cubic-foot): Converts cubic inches to cubic feet instantly with formula and worked example. - [Cubic Inches to Cubic Meters Converter](https://top10k.com/tool/cubic-inch-to-cubic-meter): Converts cubic inches to cubic meters instantly with formula and worked example. - [Cubic Inches to Cups Converter](https://top10k.com/tool/cubic-inch-to-cup): Convert cubic inches to US cups, metric cups, and imperial cups instantly with this free online volume converter. - [Cubic Inches to Fluid Ounces Converter](https://top10k.com/tool/cubic-inch-to-fluid-ounce): Converts a volume in cubic inches to US fluid ounces (and UK fluid ounces). 1 US fluid ounce = 1.804688 in³; 1 UK fluid ounce = 1.733871 in³. - [Cubic Inches to UK Gallons Converter](https://top10k.com/tool/cubic-inch-to-gallon-uk): Convert cubic inches to Imperial (UK) gallons and back. Includes the exact conversion factor, step-by-step formula, and a reference table for common volumes. - [Cubic Inches to US Gallons Converter](https://top10k.com/tool/cubic-inch-to-gallon-us): Convert cubic inches to US liquid gallons and reverse. 1 US gallon equals exactly 231 cubic inches. Includes common volume reference points. - [Cubic Inches to Liters Converter](https://top10k.com/tool/cubic-inch-to-liter): Convert cubic inches to liters instantly. Shows the conversion formula and worked examples. Useful for engine displacement, tank volumes, and packaging. - [Cubic Inches to Milliliters Converter](https://top10k.com/tool/cubic-inch-to-milliliter): Convert cubic inches to milliliters (and back) instantly with a clean two-way converter. - [Cubic Inches to Pints Converter](https://top10k.com/tool/cubic-inch-to-pint): Converts a volume in cubic inches to US liquid pints instantly. Includes a reverse converter and a reference table. - [Cubic Inches to Quarts Converter](https://top10k.com/tool/cubic-inch-to-quart): Convert cubic inches to US liquid quarts instantly. Shows the conversion formula and worked examples. Useful for engine volumes, fuel tanks, and liquid containers. - [Cubic Inches to Tablespoons Converter](https://top10k.com/tool/cubic-inch-to-tablespoon): Converts cubic inches to US tablespoons with instant bidirectional conversion. - [Cubic Inches to Teaspoons Converter](https://top10k.com/tool/cubic-inch-to-teaspoon): Convert cubic inches to US teaspoons instantly. Shows the conversion formula and worked examples. Useful for cooking measurements, recipe scaling, and packaging volume. - [m3/h to CFM Converter](https://top10k.com/tool/cubic-meter-per-hour-to-cubic-foot-per-minute): Converts volumetric flow rate from cubic meters per hour (m³/h) to cubic feet per minute (CFM). 1 m³/h = 0.5885777827 CFM. Used in HVAC, industrial ventilation, fan selection, and air handling unit… - [m3/h to GPM Converter](https://top10k.com/tool/cubic-meter-per-hour-to-gallon-per-minute): Converts volumetric flow rate from cubic meters per hour (m3/h) to US gallons per minute (GPM). 1 m3/h = 4.40286754 US GPM. Used in industrial pumps, HVAC, and water treatment systems. - [m³/h to L/min Converter](https://top10k.com/tool/cubic-meter-per-hour-to-liter-per-minute): Convert cubic meters per hour to liters per minute instantly. Includes reverse conversion and a reference table for common flow rate values. - [Cubic Meters to Barrels Converter](https://top10k.com/tool/cubic-meter-to-barrel): Converts cubic meters to US oil barrels (bbl), US liquid barrels, and UK barrels. Also converts barrels back to cubic meters. - [Cubic Meters to Cubic Feet Converter](https://top10k.com/tool/cubic-meter-to-cubic-foot): Convert cubic meters to cubic feet instantly. 1 m³ = 35.3147 ft³. Supports bulk conversion and reverse lookup. - [Cubic Meters to Cubic Inches Converter](https://top10k.com/tool/cubic-meter-to-cubic-inch): Convert cubic meters to cubic inches and back instantly. Enter a value in either field for an immediate two-way volume conversion. - [Cubic Meters to Cups Converter](https://top10k.com/tool/cubic-meter-to-cup): Convert cubic meters to US cups, US legal cups, metric cups, and Imperial cups. Instant results with a clear conversion table. - [Cubic Meters to Fluid Ounces Converter](https://top10k.com/tool/cubic-meter-to-fluid-ounce): Convert cubic meters to US fluid ounces instantly. Shows the formula, step-by-step working, and a quick-reference table of common values. - [Cubic Meters to UK Gallons Converter](https://top10k.com/tool/cubic-meter-to-gallon-uk): Converts cubic meters to imperial (UK) gallons instantly with two-way input and a common-values reference table. - [Cubic Meters to US Gallons Converter](https://top10k.com/tool/cubic-meter-to-gallon-us): Converts cubic meters to US liquid gallons instantly with a clean two-way conversion form. - [Cubic Meters to Liters Converter](https://top10k.com/tool/cubic-meter-to-liter): Convert cubic meters to liters instantly. Shows the formula, step-by-step working, and a quick-reference table of common values. - [Cubic Meters to Milliliters Converter](https://top10k.com/tool/cubic-meter-to-milliliter): Convert cubic meters to milliliters instantly. 1 m³ = 1,000,000 mL. Enter any value and get the exact milliliter equivalent. - [Cubic Meters to Pints Converter](https://top10k.com/tool/cubic-meter-to-pint): Convert cubic meters to US pints and UK pints instantly. Shows the formula, step-by-step working, and a quick-reference table of common values. - [Cubic Meters to Quarts Converter](https://top10k.com/tool/cubic-meter-to-quart): Converts cubic meters to US liquid quarts with instant results and reverse lookup. - [Cubic Meters to Tablespoons Converter](https://top10k.com/tool/cubic-meter-to-tablespoon): Converts a volume in cubic meters to US tablespoons instantly. Shows the formula, step-by-step working, and a quick-reference table of common values. - [Cubic Meters to Teaspoons Converter](https://top10k.com/tool/cubic-meter-to-teaspoon): Convert cubic meters to teaspoons instantly. Supports both US teaspoons (4.92892 mL) and metric teaspoons (5 mL) with a clear side-by-side result. - [Cups to Grams Converter](https://top10k.com/tool/cup-cooking-to-gram-cooking): Converts cups to grams for cooking with ingredient-specific density factors (flour, sugar, butter, water, milk, honey, rice, oats, cocoa, salt, etc.) - [Cups to Ounces Converter](https://top10k.com/tool/cup-cooking-to-ounce-cooking): Converts cups to fluid ounces for cooking and baking (1 cup = 8 fl oz), with a clear note about the difference between fluid ounces and dry weight ounces. - [Cups to Pounds Converter](https://top10k.com/tool/cup-cooking-to-pound-cooking): Converts cups to pounds for cooking with ingredient-specific density factors for flour, sugar, butter, water, milk, honey, rice, oats, cocoa, salt, and more. - [Cups to Tablespoons Converter](https://top10k.com/tool/cup-cooking-to-tablespoon-cooking): Converts cups to tablespoons for cooking and baking recipes (1 cup = 16 tablespoons), with fractional cup quick picks and a reference table - [Cups to Teaspoons Converter](https://top10k.com/tool/cup-cooking-to-teaspoon-cooking): Converts cups to teaspoons for cooking and baking recipes (1 cup = 48 teaspoons), with fractional cup quick picks and a reference table - [Cups to Barrels Converter](https://top10k.com/tool/cup-to-barrel): Converts cups to barrels (US liquid barrels = 31.5 gallons, oil barrels = 42 gallons) with both barrel types shown. - [Cups to Cubic Feet Converter](https://top10k.com/tool/cup-to-cubic-foot): Convert US cups to cubic feet instantly. Shows the formula, exact result, and a quick-reference table for common cup values. - [Cups to Cubic Inches Converter](https://top10k.com/tool/cup-to-cubic-inch): Converts a volume in cups to cubic inches instantly. - [Cups to Cubic Meters Converter](https://top10k.com/tool/cup-to-cubic-meter): Convert US customary, metric, and imperial cups to cubic meters and other volume units instantly. Supports bidirectional conversion with a full reference table. - [Cups to Fluid Ounces Converter](https://top10k.com/tool/cup-to-fluid-ounce): Convert cups to US and UK fluid ounces instantly. Shows both US fl oz (8 fl oz/cup) and UK fl oz (8.799 fl oz/cup) side by side. - [Cups to UK Gallons Converter](https://top10k.com/tool/cup-to-gallon-uk): Converts US cups to UK (imperial) gallons with instant results. - [Cups to US Gallons Converter](https://top10k.com/tool/cup-to-gallon-us): Converts a volume in cups to US gallons instantly. - [Cups to Liters Converter](https://top10k.com/tool/cup-to-liter): Convert US cups to liters instantly. Also shows milliliters, metric cups, fluid ounces, tablespoons, and teaspoons for complete kitchen reference. - [Cups to Milliliters Converter](https://top10k.com/tool/cup-to-milliliter): Converts cups (US customary, US legal, metric, imperial) to milliliters and other liquid volume units instantly. - [Cups to Pints Converter](https://top10k.com/tool/cup-to-pint) - [Cups to Quarts Converter](https://top10k.com/tool/cup-to-quart): Converts cups to quarts (US liquid) with instant results and common reference values. - [Cups to Tablespoons Converter](https://top10k.com/tool/cup-to-tablespoon): Convert cups to tablespoons instantly. 1 US cup equals 16 tablespoons. Supports decimals and fractions for precise cooking and baking measurements. - [Cups to Teaspoons Converter](https://top10k.com/tool/cup-to-teaspoon): Converts cups to teaspoons (1 cup = 48 teaspoons) with support for fractional inputs and common cooking fractions like 1/4, 1/3, and 2/3. - [Cups to Milliliters Converter](https://top10k.com/tool/cups-to-ml) - [Curies to Becquerels Converter](https://top10k.com/tool/curie-to-becquerel): Converts radioactivity from curies (Ci) to becquerels (Bq) using the exact factor 1 Ci = 3.7 × 10^10 Bq. Supports Ci, mCi, and µCi inputs. - [Curie to Gray (Ci to Bq) Radioactivity Converter](https://top10k.com/tool/curie-to-gray): Convert radioactivity in curies (Ci) to becquerels (Bq), the SI unit of activity (1 Ci = 3.7 × 10^10 Bq). Supports megacurie, kilocurie, millicurie, microcurie, and nanocurie, and explains why curi… - [Curies to Rad Converter](https://top10k.com/tool/curie-to-rad): Converts radioactivity in curies (Ci) to absorbed dose in rad; educational tool showing the Ci to Bq to Gy to rad conversion chain with radiation-type selector. - [Curies to Rem Converter](https://top10k.com/tool/curie-to-rem) - [Curies to Sieverts Converter](https://top10k.com/tool/curie-to-sievert) - [Data Storage Converter](https://top10k.com/tool/data-storage-converter): Converts between bytes, KB, MB, GB, TB, and PB in both SI (decimal) and binary (IEC) standards. - [Days to Decades Converter](https://top10k.com/tool/day-to-decade): Converts a number of days into decades using the standard factor of 3,652.5 days per decade (365.25 days/year × 10 years). Supports decimals and shows a full breakdown. - [Days to Hours Converter](https://top10k.com/tool/day-to-hour): Converts a number of days into hours (1 day = 24 hours). Supports decimals and shows a full hours, minutes, and seconds breakdown. - [Days to Microseconds Converter](https://top10k.com/tool/day-to-microsecond): Converts days to microseconds (1 day = 86,400,000,000 microseconds). Supports decimal input and shows a full breakdown. - [Days to Milliseconds Converter](https://top10k.com/tool/day-to-millisecond): Converts days to milliseconds (1 day = 86,400,000 milliseconds). Supports decimals and shows the full breakdown in seconds and milliseconds. - [Days to Minutes Converter](https://top10k.com/tool/day-to-minute): Convert any number of days into minutes, hours, and seconds instantly. Supports decimal days. - [Days to Months Converter](https://top10k.com/tool/day-to-month): Converts a number of days into months using the average month length of 30.4375 days (365.25 days / 12). Supports decimals and shows a full months and days breakdown. - [Days to Seconds Converter](https://top10k.com/tool/day-to-second): Converts a number of days to seconds (1 day = 86,400 seconds). Supports decimals and shows a full hours, minutes, and seconds breakdown. - [Days to Weeks Converter](https://top10k.com/tool/day-to-week): Converts a number of days into the equivalent number of weeks (7 days = 1 week). Supports decimals and shows a full weeks and days breakdown. - [Days to Years Converter](https://top10k.com/tool/day-to-year): Converts a number of days into the equivalent number of years using the standard 365.25-day year that accounts for leap years. - [Decades to Days Converter](https://top10k.com/tool/decade-to-day): Converts a number of decades to days using the standard factor of 3,652.5 days per decade (365.25 days/year × 10 years). Supports decimals and shows a full breakdown. - [Decades to Hours Converter](https://top10k.com/tool/decade-to-hour): Converts a number of decades to the equivalent number of hours. Uses 1 decade = 10 Julian years = 87,660 hours. - [Decades to Microseconds Converter](https://top10k.com/tool/decade-to-microsecond): Converts a number of decades to the equivalent number of microseconds using the Julian year definition (1 decade = 10 × 365.25 days = 315,576,000,000,000 µs). - [Decades to Milliseconds Converter](https://top10k.com/tool/decade-to-millisecond): Converts a number of decades to the equivalent number of milliseconds using the Julian year definition (1 decade = 10 × 365.25 days = 315,576,000,000 ms). - [Decades to Minutes Converter](https://top10k.com/tool/decade-to-minute): Converts a number of decades to the equivalent number of minutes. Uses 1 decade = 10 Julian years = 5,259,600 minutes. - [Decades to Months Converter](https://top10k.com/tool/decade-to-month): Converts a number of decades to the equivalent number of months. Uses 1 decade = 10 years = 120 months. - [Decades to Seconds Converter](https://top10k.com/tool/decade-to-second): Converts a number of decades to the equivalent number of seconds. Uses 1 decade = 10 Julian years = 315,576,000 seconds. - [Decades to Weeks Converter](https://top10k.com/tool/decade-to-week): Converts a number of decades to the equivalent number of weeks. One decade = 10 years ≈ 521.775 weeks (using the standard 365.2425-day year). - [Decades to Years Converter](https://top10k.com/tool/decade-to-year): Converts a number of decades to years. One decade equals exactly 10 years. Supports decimals and shows a full breakdown. - [Degrees to Arcminutes Converter](https://top10k.com/tool/degree-to-arcminute): Convert decimal angle values from degrees to arcminutes (′), with the formula and a step-by-step breakdown. - [Degrees to Arcseconds Converter](https://top10k.com/tool/degree-to-arcsecond) - [Degrees to Gradians Converter](https://top10k.com/tool/degree-to-gradian): Converts angle values from degrees to gradians (grad/gon), showing the formula and step-by-step result. - [Degrees to Radians Converter](https://top10k.com/tool/degree-to-radian): Converts angles from degrees to radians using the formula radians = degrees × π/180, with a reference table of common angles. - [Degrees to Turns Converter](https://top10k.com/tool/degree-to-turn): Convert angles in degrees to turns (full rotations) and back. Includes a reference table of common angles. - [Dynes to Kilogram-force Converter](https://top10k.com/tool/dyne-to-kilogram-force): Convert force values from dynes (CGS unit) to kilogram-force (kgf). 1 dyne equals exactly 1.01971621 × 10⁻⁶ kgf. - [Dynes to Kilonewtons Converter](https://top10k.com/tool/dyne-to-kilonewton): Convert force values from dynes (dyn) to kilonewtons (kN). One dyne equals exactly 1 × 10⁻⁸ kilonewtons. - [Dynes to Newtons Converter](https://top10k.com/tool/dyne-to-newton): Convert force values from dynes (dyn), the CGS unit, to newtons (N), the SI unit. 1 newton equals exactly 100,000 dynes. - [Dynes to Pound-force Converter](https://top10k.com/tool/dyne-to-pound-force): Converts a force value in dynes to pound-force (1 dyne = 2.24809e-6 lbf). Instant result with formula and reference table. - [Electronvolts to BTU Converter](https://top10k.com/tool/electronvolt-to-btu): Converts energy from electronvolts (eV) to British Thermal Units (BTU). Supports eV, keV, MeV, and GeV input. 1 eV = 1.5186×10⁻²² BTU. - [Electronvolts to Calories Converter](https://top10k.com/tool/electronvolt-to-calorie): Converts energy from electronvolts (eV) to thermochemical calories (cal). 1 eV = 1.602176634×10⁻¹⁹ J = 3.8293×10⁻²⁰ cal. - [Electronvolts to Foot Pounds Converter](https://top10k.com/tool/electronvolt-to-foot-pound): Converts energy from electronvolts (eV) to foot-pounds force (ft·lbf). 1 eV = 1.18171×10⁻¹⁹ ft·lbf. - [Electronvolts to Joules Converter](https://top10k.com/tool/electronvolt-to-joule): Converts energy from electronvolts (eV) to joules (J) — and keV, MeV, GeV to joules. 1 eV = 1.602176634×10⁻¹⁹ J (exact, 2019 SI definition). - [Electronvolts to Kilocalories Converter](https://top10k.com/tool/electronvolt-to-kilocalorie): Converts energy from electronvolts (eV) to kilocalories (kcal). 1 eV = 3.8293×10⁻²³ kcal (thermochemical kilocalorie). - [Electronvolts to Kilojoules Converter](https://top10k.com/tool/electronvolt-to-kilojoule) - [Electronvolts to Kilowatt Hours Converter](https://top10k.com/tool/electronvolt-to-kilowatt-hour): Converts energy from electronvolts (eV) to kilowatt-hours (kWh). 1 eV = 4.4505×10⁻²⁶ kWh. Supports eV, keV, MeV, GeV. Bidirectional. - [Electronvolts to Watt Hours Converter](https://top10k.com/tool/electronvolt-to-watt-hour): Converts energy from electronvolts (eV) to watt-hours (Wh) and kilowatt-hours (kWh). Supports eV, keV, MeV, GeV input. 1 eV = 4.4505×10⁻²³ Wh. - [em to Picas Converter](https://top10k.com/tool/em-to-pica): Converts CSS em units to typographic picas given a base font size. Formula: pica = em × baseFontSizePx × 72 / (96 × 12). Default base is 16px. - [Em to Pixel Converter](https://top10k.com/tool/em-to-pixel) - [em to Points Converter](https://top10k.com/tool/em-to-point): Converts CSS em units to typographic points given a base font size. Formula: pt = em × baseFontSizePx × 72 / 96. Default base is 16px. - [Em to Rem Converter](https://top10k.com/tool/em-to-rem) - [EU Ring Size to UK Ring Size Converter](https://top10k.com/tool/eu-ring-to-uk-ring): Converts an EU ring size (numeric circumference in mm, e.g. "52") to the equivalent UK ring size (letter, e.g. "L"), using standard ring-size conversion tables. - [EU Ring Size to US Ring Size Converter](https://top10k.com/tool/eu-ring-to-us-ring): Converts an EU ring size (inner circumference in mm) to the equivalent US ring size using a standard lookup table. Instant, client-side, no signup needed. - [EU Shoe Size to CM Converter](https://top10k.com/tool/eu-shoe-to-cm-shoe): Converts European (EU) shoe sizes to foot length in centimeters for men, women, and children. - [EU to UK Shoe Size Converter](https://top10k.com/tool/eu-shoe-to-uk-shoe): Convert European (EU) shoe sizes to UK shoe sizes for men, women, and children. Instant lookup with full size charts for all genders. - [EU to US Shoe Size Converter](https://top10k.com/tool/eu-shoe-to-us-shoe): Convert European (EU) shoe sizes to US shoe sizes for men, women, and children. Instant lookup with full size charts for all genders. - [Fahrenheit to Celsius Converter](https://top10k.com/tool/fahrenheit-to-celsius): Converts Fahrenheit temperatures to Celsius with formula display and common reference points. - [Fahrenheit to Kelvin Converter](https://top10k.com/tool/fahrenheit-to-kelvin): Converts Fahrenheit temperatures to Kelvin in one step, with formula display and common scientific reference points. - [Fahrenheit to Rankine Converter](https://top10k.com/tool/fahrenheit-to-rankine): Convert temperature from Fahrenheit to Rankine. Both scales share the same degree size, so Ra = F + 459.67. Includes formula display and common reference points. - [Fahrenheit to Reaumur Converter](https://top10k.com/tool/fahrenheit-to-reaumur): Convert temperature from Fahrenheit to the Reaumur scale. Re = (F - 32) × 4/9; water freezes at 0 Re and boils at 80 Re. - [Farads to Microfarads Converter](https://top10k.com/tool/farad-to-microfarad): Converts electrical capacitance in farads (F) to microfarads (µF). 1 F = 1,000,000 µF. Also shows millifarads, nanofarads, and picofarads. - [Farad to Nanofarad Converter](https://top10k.com/tool/farad-to-nanofarad) - [Farads to Picofarads Converter](https://top10k.com/tool/farad-to-picofarad): Convert capacitance from farads (F) to picofarads (pF). 1 farad = 1,000,000,000,000 picofarads (1e12 pF). Essential for electronics, RF circuit design, and component datasheets. - [Faradays to Ampere Hours Converter](https://top10k.com/tool/faraday-to-ampere-hour): Converts Faradays of electric charge to ampere-hours (Ah) using Ah = F × 96485 / 3600 - [Faradays to Coulombs Converter](https://top10k.com/tool/faraday-to-coulomb): Convert faradays (F) of electric charge to coulombs using the exact Faraday constant — 1 faraday = 96485.33212 coulombs. - [Faradays to mAh Converter](https://top10k.com/tool/faraday-to-milliampere-hour): Converts Faradays of electric charge to milliampere-hours (mAh) using mAh = F × 96485 / 3.6 - [Fluid Ounces to Barrels Converter](https://top10k.com/tool/fluid-ounce-to-barrel): Converts US fluid ounces to US liquid barrels (1 barrel = 31.5 gallons = 4,032 fl oz) with reverse conversion and a quick-reference table. - [Fluid Ounces to Cubic Feet Converter](https://top10k.com/tool/fluid-ounce-to-cubic-foot): Converts US fluid ounces to cubic feet and back, with common volume references to put the numbers in context. - [Fluid Ounces to Cubic Inches Converter](https://top10k.com/tool/fluid-ounce-to-cubic-inch): Converts fluid ounces (US or UK) to cubic inches and back. 1 US fl oz = 1.8046875 in³ (exact); 1 UK fl oz ≈ 1.7338715 in³. - [Fluid Ounces to Cubic Meters Converter](https://top10k.com/tool/fluid-ounce-to-cubic-meter): Convert US or UK fluid ounces to cubic meters with high-precision results. Supports bulk entry and shows the step-by-step conversion factor. - [Fluid Ounces to Cups Converter](https://top10k.com/tool/fluid-ounce-to-cup): Converts fluid ounces to cups instantly, with both US and metric cup references. - [Fluid Ounces to UK Gallons Converter](https://top10k.com/tool/fluid-ounce-to-gallon-uk): Convert fluid ounces to UK (imperial) gallons and back. Includes a reference table for common volumes. - [Fluid Ounces to US Gallons Converter](https://top10k.com/tool/fluid-ounce-to-gallon-us): Converts fluid ounces to US gallons and back, with a reference table for common volumes. - [Fluid Ounces to Liters Converter](https://top10k.com/tool/fluid-ounce-to-liter): Converts US fluid ounces to liters instantly, with imperial fl oz support and a quick-reference conversion table for common volumes. - [Fluid Ounces to Milliliters Converter](https://top10k.com/tool/fluid-ounce-to-milliliter): Converts fluid ounces (US) to milliliters with instant results and reverse conversion. - [Fluid Ounces to Pints Converter](https://top10k.com/tool/fluid-ounce-to-pint): Converts fluid ounces to pints (US liquid and imperial) with instant results and a reference table. - [Fluid Ounces to Quarts Converter](https://top10k.com/tool/fluid-ounce-to-quart): Converts fluid ounces to quarts (US and imperial) with instant results and a reference table. - [Fluid Ounces to Tablespoons Converter](https://top10k.com/tool/fluid-ounce-to-tablespoon): Convert US fluid ounces to tablespoons instantly. 1 US fluid ounce equals exactly 2 US tablespoons. - [Fluid Ounces to Teaspoons Converter](https://top10k.com/tool/fluid-ounce-to-teaspoon): Convert fluid ounces to teaspoons instantly. US customary: 1 fluid ounce = 6 teaspoons. Supports decimal and fractional inputs with a quick-reference table. - [Fluid Ounces to Milliliters Converter](https://top10k.com/tool/fluid-oz-to-ml): Converts US fluid ounces to milliliters instantly, with both US and imperial fl oz support and a quick-reference table. - [Foot-candles to Lux Converter](https://top10k.com/tool/foot-candle-to-lux): Convert illuminance from foot-candles (fc) to lux (lx). 1 fc = 10.76391 lx. Instant results with a reference table for common lighting levels. - [Foot-candles to Nox Converter](https://top10k.com/tool/foot-candle-to-nox): Converts illuminance from foot-candles (fc) to nox (nx). 1 fc = 10,763.91 nox. Nox is a unit equal to 0.001 lux, used for very low light levels. - [Foot-candles to Phot Converter](https://top10k.com/tool/foot-candle-to-phot): Converts illuminance from foot-candles (fc) to phots (ph), the CGS unit of illuminance. 1 fc = 0.00107639 ph. Instant results with a reference table for common lighting levels. - [Foot-lamberts to cd/m2 Converter](https://top10k.com/tool/foot-lambert-to-candela-per-square-meter) - [Foot-lamberts to Nits Converter](https://top10k.com/tool/foot-lambert-to-nit): Converts luminance from foot-lamberts (fL) to nits (cd/m²). 1 fL = 3.42626 nits. Useful for display engineers, projectionists, and lighting designers comparing imperial and metric luminance measure… - [Foot-lamberts to Stilb Converter](https://top10k.com/tool/foot-lambert-to-stilb) - [Feet per Second to Kilometers per Hour Converter](https://top10k.com/tool/foot-per-second-to-kilometer-per-hour): Converts speed values from feet per second (ft/s) to kilometers per hour (km/h). Instant conversion with the exact factor, batch input, and reverse lookup. - [Feet per Second to Knots Converter](https://top10k.com/tool/foot-per-second-to-knot): Converts speed in feet per second (ft/s) to knots (nautical miles per hour) for aviation and marine use. - [Feet per Second to Mach Converter](https://top10k.com/tool/foot-per-second-to-mach): Convert feet per second (ft/s) to Mach number using the standard speed of sound at sea level (1116 ft/s). - [Feet per Second to Meters per Second Converter](https://top10k.com/tool/foot-per-second-to-meter-per-second): Converts speed values from feet per second (ft/s) to meters per second (m/s) using the exact conversion factor. Includes reverse conversion and a reference table of common speeds. - [Feet per Second to Miles per Hour Converter](https://top10k.com/tool/foot-per-second-to-mile-per-hour): Converts speed values from feet per second (ft/s) to miles per hour (mph) using the precise conversion factor of 1 ft/s = 0.681818... mph. - [Foot Pounds per Minute to BTU per Hour Converter](https://top10k.com/tool/foot-pound-per-minute-to-btu-per-hour): Convert power from foot-pounds per minute (ft·lbf/min) to BTU per hour (BTU/hr). Used in HVAC, mechanical engineering, and thermodynamics calculations. - [Foot Pounds per Minute to Horsepower Converter](https://top10k.com/tool/foot-pound-per-minute-to-horsepower): Converts power in foot-pounds per minute to mechanical horsepower. 1 mechanical horsepower equals exactly 33,000 foot-pounds per minute. - [Foot Pounds per Minute to Kilowatts Converter](https://top10k.com/tool/foot-pound-per-minute-to-kilowatt): Converts power in foot-pounds per minute (ft·lbf/min) to kilowatts (kW) with instant calculation and a reference table of common power values. - [Foot Pounds per Minute to Megawatts Converter](https://top10k.com/tool/foot-pound-per-minute-to-megawatt): Converts power in foot-pounds per minute (ft·lbf/min) to megawatts (MW) with instant calculation, useful for mechanical engineering and industrial power analysis. - [Foot-Pound per Minute to Watt Converter](https://top10k.com/tool/foot-pound-per-minute-to-watt): Convert power values from foot-pounds per minute to watts. Includes a reference table with common values and the historical 1 HP = 33,000 ft·lbf/min benchmark. - [Foot Pounds to BTU Converter](https://top10k.com/tool/foot-pound-to-btu): Convert foot-pounds of mechanical energy to British Thermal Units (BTU). Includes reverse BTU-to-ft·lbf conversion and a quick-reference table. - [Foot Pounds to Calories Converter](https://top10k.com/tool/foot-pound-to-calorie): Converts foot-pounds (ft·lbf) to calories (cal), bridging mechanical energy and thermochemical energy units in physics and nutrition contexts. - [Foot Pounds to Electronvolts Converter](https://top10k.com/tool/foot-pound-to-electronvolt): Converts foot-pounds (ft·lbf) to electronvolts (eV), useful in atomic and particle physics for comparing macroscopic mechanical energy to quantum-scale energy units. - [Foot Pounds to Joules Converter](https://top10k.com/tool/foot-pound-to-joule): Converts foot-pounds (ft·lbf) to joules (J), the SI unit of energy, used in mechanical engineering and physics calculations. - [Foot Pounds to Kilocalories Converter](https://top10k.com/tool/foot-pound-to-kilocalorie): Converts foot-pounds (ft·lbf) of mechanical work to kilocalories (kcal), the unit used for dietary energy. Useful for comparing physical effort to food Calories. - [Foot Pounds to Kilojoules Converter](https://top10k.com/tool/foot-pound-to-kilojoule): Converts foot-pounds (ft·lbf) to kilojoules (kJ), used in engineering calculations involving mechanical work and energy comparisons. - [Foot Pounds to Kilowatt Hours Converter](https://top10k.com/tool/foot-pound-to-kilowatt-hour): Converts foot-pounds (ft·lbf) to kilowatt-hours (kWh), the standard electrical energy unit, useful for comparing mechanical work with electrical energy consumption. - [Foot Pounds to Watt Hours Converter](https://top10k.com/tool/foot-pound-to-watt-hour): Converts foot-pounds (ft·lbf) to watt-hours (Wh), bridging mechanical energy and electrical energy units for engineering and physics use. - [Foot Pounds to Inch Pounds Converter](https://top10k.com/tool/foot-pound-torque-to-inch-pound-torque): Converts torque from foot-pounds (ft·lb) to inch-pounds (in·lb); 1 ft·lb = 12 in·lb exactly. - [Foot Pounds to kgf-m Converter](https://top10k.com/tool/foot-pound-torque-to-kilogram-force-meter): Converts torque from foot-pounds (ft·lb) to kilogram-force meters (kgf·m); 1 ft·lb = 0.1382550 kgf·m; useful for converting US or UK torque specs to older metric engineering standards. - [Foot Pounds to Newton Meters Converter](https://top10k.com/tool/foot-pound-torque-to-newton-meter): Converts torque from foot-pounds (ft·lb) to newton-meters (N·m); 1 ft·lb = 1.3558179483 N·m; essential for converting US automotive torque specs to metric values. - [Feet to Centimeters Converter](https://top10k.com/tool/foot-to-centimeter): Converts a length value in feet to centimeters instantly. Supports decimal feet and feet-and-inches input with a full reference table. - [Feet to Furlongs Converter](https://top10k.com/tool/foot-to-furlong): Convert feet to furlongs instantly. 1 furlong equals 660 feet. Supports reverse conversion from furlongs to feet. - [Feet to Inches Converter](https://top10k.com/tool/foot-to-inch): Convert feet to inches instantly. Enter any length in feet and get the exact value in inches (1 ft = 12 in). Supports decimal values. - [Feet to Kilometers Converter](https://top10k.com/tool/foot-to-kilometer): Instantly convert feet to kilometers with a clean, accurate length unit converter. - [Feet to Light Years Converter](https://top10k.com/tool/foot-to-light-year): Converts a distance in feet to light years and other astronomical units. - [Feet to Meters Converter](https://top10k.com/tool/foot-to-meter): Converts a distance in feet to meters (1 foot = 0.3048 meters exactly). Also shows inches, centimeters, and yards for quick cross-reference. - [Feet to Micrometers Converter](https://top10k.com/tool/foot-to-micrometer): Convert length values between feet and micrometers instantly. See the full conversion formula and get accurate results for both directions. - [Feet to Miles Converter](https://top10k.com/tool/foot-to-mile): Convert feet to miles instantly with a clean, client-side calculator. Enter any value in feet and get the precise mile equivalent. - [Feet to Millimeters Converter](https://top10k.com/tool/foot-to-millimeter): Convert feet to millimeters instantly with a clean, accurate converter. Supports decimal and fractional foot values. - [Feet to Nanometers Converter](https://top10k.com/tool/foot-to-nanometer): Converts a length value in feet to nanometers instantly. - [Feet to Nautical Miles Converter](https://top10k.com/tool/foot-to-nautical-mile): Converts feet to nautical miles and nautical miles to feet. 1 nautical mile = 6,076.115 feet (exactly 1,852 meters). - [Feet to Yards Converter](https://top10k.com/tool/foot-to-yard): Convert feet to yards instantly. Enter any length in feet and get the exact equivalent in yards (1 ft = 1/3 yd). - [Furlongs to Centimeters Converter](https://top10k.com/tool/furlong-to-centimeter): Convert furlongs to centimeters instantly. 1 furlong equals exactly 20116.8 centimeters. Fast, accurate, client-side unit conversion. - [Furlongs to Feet Converter](https://top10k.com/tool/furlong-to-foot): Converts a length in furlongs to feet instantly with a clean input form. - [Furlongs to Inches Converter](https://top10k.com/tool/furlong-to-inch): Convert furlongs to inches instantly with step-by-step formula display. Supports reverse conversion from inches to furlongs and includes a quick-reference table of common furlong distances. - [Furlongs to Kilometers Converter](https://top10k.com/tool/furlong-to-kilometer): Converts a furlong value to kilometers instantly with the correct conversion factor (1 furlong = 0.201168 km). - [Furlongs to Light Years Converter](https://top10k.com/tool/furlong-to-light-year): Converts a distance in furlongs to light years using exact conversion factors. - [Furlongs to Meters Converter](https://top10k.com/tool/furlong-to-meter): Converts a distance in furlongs to meters instantly with a clean input form. - [Furlongs to Micrometers Converter](https://top10k.com/tool/furlong-to-micrometer): Converts a length value in furlongs to micrometers instantly. Enter any furlong value and get the precise micrometer equivalent. - [Furlongs to Miles Converter](https://top10k.com/tool/furlong-to-mile): Convert furlongs to miles instantly. 1 furlong equals exactly 0.125 miles (one-eighth of a mile). Supports decimal and bulk conversions. - [Furlongs to Millimeters Converter](https://top10k.com/tool/furlong-to-millimeter): Converts a length value in furlongs to millimeters instantly. - [Furlongs to Nanometers Converter](https://top10k.com/tool/furlong-to-nanometer): Convert a length value in furlongs to nanometers instantly. Useful for cross-scale unit comparisons in science, engineering, and education. - [Furlongs to Nautical Miles Converter](https://top10k.com/tool/furlong-to-nautical-mile): Convert furlongs to nautical miles instantly. Shows the formula, step-by-step calculation, and a quick reference table. - [Furlongs to Yards Converter](https://top10k.com/tool/furlong-to-yard): Converts a length value in furlongs to yards instantly. - [GPM to CFM Converter](https://top10k.com/tool/gallon-per-minute-to-cubic-foot-per-minute): Converts US gallons per minute to cubic feet per minute instantly. Enter any flow rate and get the CFM equivalent with formula and reference table. - [GPM to m3/h Converter](https://top10k.com/tool/gallon-per-minute-to-cubic-meter-per-hour): Convert US gallons per minute (GPM) to cubic meters per hour (m³/h) and back. Includes a reference table and formula for flow rate conversions in plumbing, HVAC, and industrial applications. - [GPM to L/min Converter](https://top10k.com/tool/gallon-per-minute-to-liter-per-minute): Converts volumetric flow rate from US gallons per minute (GPM) to liters per minute (L/min). Uses exact factor: 1 US GPM = 3.785411784 L/min. Used in pump selection, irrigation design, and industri… - [UK Gallons to Barrels Converter](https://top10k.com/tool/gallon-uk-to-barrel): Convert UK (imperial) gallons to oil barrels (bbl) and other barrel types instantly in your browser. - [UK Gallons to Cubic Feet Converter](https://top10k.com/tool/gallon-uk-to-cubic-foot): Convert UK (imperial) gallons to cubic feet and cubic feet to UK gallons instantly. Includes a conversion table and bidirectional input. - [UK Gallons to Cubic Inches Converter](https://top10k.com/tool/gallon-uk-to-cubic-inch) - [UK Gallons to Cubic Meters Converter](https://top10k.com/tool/gallon-uk-to-cubic-meter): Converts volumes from UK (imperial) gallons to cubic meters and back. Instant results with a reference table for common values. - [UK Gallons to Cups Converter](https://top10k.com/tool/gallon-uk-to-cup): Converts UK (Imperial) gallons to US cups and metric cups instantly. 1 UK gallon = 19.2152 US cups or 18.1844 metric cups. - [UK Gallons to Fluid Ounces Converter](https://top10k.com/tool/gallon-uk-to-fluid-ounce): Convert UK (imperial) gallons to US fluid ounces and UK fluid ounces instantly. Shows both fl oz values side by side so you can pick the right one for your recipe or calculation. - [UK Gallons to US Gallons Converter](https://top10k.com/tool/gallon-uk-to-gallon-us): Convert UK (imperial) gallons to US liquid gallons and back. Shows liters equivalent for context. - [UK Gallons to Liters Converter](https://top10k.com/tool/gallon-uk-to-liter): Converts Imperial (UK) gallons to liters with instant results and a quick-reference table. 1 UK gallon = 4.54609 liters exactly. - [UK Gallons to Milliliters Converter](https://top10k.com/tool/gallon-uk-to-milliliter): Converts UK (imperial) gallons to milliliters with instant bidirectional conversion and common reference values. - [UK Gallons to Pints Converter](https://top10k.com/tool/gallon-uk-to-pint) - [UK Gallons to Quarts Converter](https://top10k.com/tool/gallon-uk-to-quart): Converts UK (imperial) gallons to US liquid quarts and UK quarts, with reverse conversion. - [UK Gallons to Tablespoons Converter](https://top10k.com/tool/gallon-uk-to-tablespoon): Convert UK (imperial) gallons to tablespoons — both US tablespoons (14.787 mL) and UK tablespoons (17.758 mL). Instant results with conversion formula. - [UK Gallons to Teaspoons Converter](https://top10k.com/tool/gallon-uk-to-teaspoon): Converts UK (imperial) gallons to teaspoons with instant results and reverse conversion. - [US Gallons to Barrels Converter](https://top10k.com/tool/gallon-us-to-barrel): Converts US liquid gallons to oil/petroleum barrels. One barrel equals exactly 42 US gallons. - [US Gallons to Cubic Feet Converter](https://top10k.com/tool/gallon-us-to-cubic-foot): Converts US gallons to cubic feet with instant result and reverse conversion reference. - [US Gallons to Cubic Inches Converter](https://top10k.com/tool/gallon-us-to-cubic-inch): Converts US liquid gallons to cubic inches with instant result and a reverse conversion reference table. - [US Gallons to Cubic Meters Converter](https://top10k.com/tool/gallon-us-to-cubic-meter): Converts US liquid gallons to cubic meters and back. Instant results with a reference table for common values. - [US Gallons to Cups Converter](https://top10k.com/tool/gallon-us-to-cup): Convert US liquid gallons to cups instantly. 1 US gallon = 16 cups. Supports decimal and fractional inputs for cooking and recipe scaling. - [US Gallons to Fluid Ounces Converter](https://top10k.com/tool/gallon-us-to-fluid-ounce): Convert US liquid gallons to fluid ounces instantly. 1 US gallon equals exactly 128 US fluid ounces. - [US Gallons to UK Gallons Converter](https://top10k.com/tool/gallon-us-to-gallon-uk): Convert US liquid gallons to UK (imperial) gallons and back. Shows liters equivalent for context. - [US Gallons to Liters Converter](https://top10k.com/tool/gallon-us-to-liter): Converts US gallons to liters with instant results and a reference table. - [US Gallons to Milliliters Converter](https://top10k.com/tool/gallon-us-to-milliliter): Converts US liquid gallons to milliliters and other volume units instantly. - [US Gallons to Pints Converter](https://top10k.com/tool/gallon-us-to-pint): Converts US gallons to pints (1 US gallon = 8 pints) with instant results and a reference table. - [US Gallons to Quarts Converter](https://top10k.com/tool/gallon-us-to-quart) - [US Gallons to Tablespoons Converter](https://top10k.com/tool/gallon-us-to-tablespoon) - [US Gallons to Teaspoons Converter](https://top10k.com/tool/gallon-us-to-teaspoon) - [Gallons to Liters Converter](https://top10k.com/tool/gallons-to-liters): Convert US gallons or imperial gallons to liters instantly. Also supports reverse conversion from liters to gallons with a formula breakdown and common reference table. - [Gauss to Microteslas Converter](https://top10k.com/tool/gauss-to-microtesla): Converts magnetic flux density in gauss (G) to microteslas (µT). 1 G = 100 µT. Instant results with formula and common reference values. - [Gauss to Milliteslas Converter](https://top10k.com/tool/gauss-to-millitesla): Converts gauss (G) to milliteslas (mT) of magnetic flux density; 1 G = 0.1 mT. - [Gauss to Teslas Converter](https://top10k.com/tool/gauss-to-tesla): Convert magnetic flux density between gauss (CGS) and tesla (SI). Instant results with milliTesla and microTesla output for quick cross-reference. - [Gigabytes to Terabytes Converter](https://top10k.com/tool/gb-to-tb): Convert gigabytes (GB) to terabytes (TB) and back, supporting both SI (decimal: 1 TB = 1,000 GB) and binary IEC (1 TiB = 1,024 GiB) standards. Includes a reference table for common storage sizes. - [Gbps to bps Converter](https://top10k.com/tool/gbps-to-bps): Convert gigabits per second to bits per second instantly. Uses the SI definition: 1 Gbps = 1,000,000,000 bps. Useful for comparing network speeds, ISP plan rates, and bandwidth capacities. - [Gbps to GB/s Converter](https://top10k.com/tool/gbps-to-gbyte-per-second): Convert gigabits per second (Gbps) to gigabytes per second (GB/s). 1 GB/s = 8 Gbps. Instant result with formula and common speed reference points. - [Gbps to kbps Converter](https://top10k.com/tool/gbps-to-kbps): Converts gigabits per second to kilobits per second (1 Gbps = 1,000,000 kbps). Instant two-way conversion with a reference table. - [Gbps to Mbps Converter](https://top10k.com/tool/gbps-to-mbps): Convert gigabits per second (Gbps) to megabits per second (Mbps). 1 Gbps = 1,000 Mbps. Instant result with formula and common speed reference points. - [Gbps to MB/s Converter](https://top10k.com/tool/gbps-to-mbyte-per-second): Convert gigabits per second (Gbps) to megabytes per second (MB/s) using the standard definition: 1 Gbps = 125 MB/s (divide by 8 to convert bits to bytes, then multiply by 1000 to scale Giga to Mega… - [GB/s to bps Converter](https://top10k.com/tool/gbyte-per-second-to-bps): Convert gigabytes per second to bits per second instantly. Uses the SI definition: 1 GB/s = 8,000,000,000 bps (8 billion bps). Useful for comparing SSD throughput, memory bandwidth, and network int… - [GB/s to Gbps Converter](https://top10k.com/tool/gbyte-per-second-to-gbps): Convert gigabytes per second to gigabits per second using the standard 1 byte = 8 bits relationship. Useful for comparing storage throughput with network link speeds. - [GB/s to kbps Converter](https://top10k.com/tool/gbyte-per-second-to-kbps): Convert gigabytes per second (GB/s) to kilobits per second (kbps). 1 GB/s equals 8,000,000 kbps using SI decimal units. - [GB/s to Mbps Converter](https://top10k.com/tool/gbyte-per-second-to-mbps): Convert gigabytes per second to megabits per second instantly. Uses the SI definition: 1 GB/s = 8,000 Mbps (8 bits per byte × 1,000 megabits per gigabit). Useful for comparing SSD speeds against ne… - [GB/s to MB/s Converter](https://top10k.com/tool/gbyte-per-second-to-mbyte-per-second): Convert gigabytes per second to megabytes per second instantly using SI decimal prefixes: 1 GB/s = 1,000 MB/s. For binary rates, use GiB/s and MiB/s instead. - [Gibibytes to Bits Converter](https://top10k.com/tool/gibibyte-to-bit): Converts gibibytes (GiB) to bits using exact binary factors (1 GiB = 2^30 bytes = 8,589,934,592 bits). - [Gibibytes to Bytes Converter](https://top10k.com/tool/gibibyte-to-byte) - [Gibibytes to Gigabytes Converter](https://top10k.com/tool/gibibyte-to-gigabyte): Converts gibibytes (GiB) to gigabytes (GB) showing the difference between binary (GiB=2^30 bytes) and decimal (GB=10^9 bytes) storage units. - [Gibibytes to Kibibytes Converter](https://top10k.com/tool/gibibyte-to-kibibyte): Converts gibibytes (GiB) to kibibytes (KiB) using exact binary factors (1 GiB = 1,048,576 KiB). - [Gibibytes to Kilobytes Converter](https://top10k.com/tool/gibibyte-to-kilobyte): Converts gibibytes (GiB) to decimal kilobytes (KB): 1 GiB = 1,073,741.824 KB. - [Gibibytes to Mebibytes Converter](https://top10k.com/tool/gibibyte-to-mebibyte): Converts gibibytes (GiB) to mebibytes (MiB) using the exact binary factor: 1 GiB = 1,024 MiB. Both units follow the IEC 80000-13 binary standard. - [Gibibytes to Megabytes Converter](https://top10k.com/tool/gibibyte-to-megabyte): Converts gibibytes (GiB) to megabytes (MB) and megabytes (MB) to gibibytes — handles both binary (MiB) and decimal (MB) output with precision control. - [Gibibytes to Petabytes Converter](https://top10k.com/tool/gibibyte-to-petabyte): Converts gibibytes (GiB) to petabytes (PB) using exact binary/decimal conversion factors. - [Gibibytes to Terabytes Converter](https://top10k.com/tool/gibibyte-to-terabyte): Converts gibibytes (GiB) to terabytes (TB) using exact binary/decimal conversion factors, with tebibyte (TiB) output shown side by side. - [Gigabytes to Bits Converter](https://top10k.com/tool/gigabyte-to-bit): Converts gigabytes to bits using both SI decimal (1 GB = 8,000,000,000 bits) and binary IEC (1 GiB = 8,589,934,592 bits) standards. - [Gigabytes to Bytes Converter](https://top10k.com/tool/gigabyte-to-byte) - [Gigabytes to Gibibytes Converter](https://top10k.com/tool/gigabyte-to-gibibyte): Converts gigabytes (decimal, SI) to gibibytes (binary, IEC); 1 GB = 0.9313 GiB; explains SI vs IEC storage standards. - [Gigabytes to Kibibytes Converter](https://top10k.com/tool/gigabyte-to-kibibyte): Converts gigabytes to kibibytes (GB to KiB; 1 GB = 976,562.5 KiB; also shows KB decimal conversion). - [Gigabytes to Kilobytes Converter](https://top10k.com/tool/gigabyte-to-kilobyte): Converts gigabytes (GB) to kilobytes (KB) using 1 GB = 1,000,000 KB (SI decimal). Shows binary gibibyte to kibibyte (GiB to KiB) equivalent and step-by-step calculation. - [Gigabytes to Mebibytes Converter](https://top10k.com/tool/gigabyte-to-mebibyte): Converts gigabytes to mebibytes (GB to MiB; 1 GB = 953.674316 MiB; also shows MB decimal conversion). - [Gigabytes to Megabytes Converter](https://top10k.com/tool/gigabyte-to-megabyte): Converts gigabytes to megabytes (1 GB = 1,000 MB decimal SI; 1 GiB = 1,024 MiB binary IEC). - [Gigabytes to Petabytes Converter](https://top10k.com/tool/gigabyte-to-petabyte): Converts gigabytes to petabytes (1 PB = 1,000,000 GB decimal SI; 1 PiB = 1,048,576 GiB binary IEC). - [Gigabytes to Terabytes Converter](https://top10k.com/tool/gigabyte-to-terabyte): Converts a gigabyte value to terabytes (GB to TB, where 1 TB = 1000 GB, and 1 TiB = 1024 GiB). Shows SI decimal and binary IEC results side by side with a full byte-count breakdown. - [Gigahertz to Hertz Converter](https://top10k.com/tool/gigahertz-to-hertz): Convert frequency values from gigahertz (GHz) to hertz (Hz). 1 GHz equals 1,000,000,000 Hz. Supports decimal inputs and shows the formula used. - [Gigahertz to Kilohertz Converter](https://top10k.com/tool/gigahertz-to-kilohertz): Convert frequency from gigahertz (GHz) to kilohertz (kHz). 1 GHz equals 1,000,000 kHz. Useful for RF, wireless, and electronics work. - [GHz to MHz Converter](https://top10k.com/tool/gigahertz-to-megahertz): Convert gigahertz (GHz) to megahertz (MHz) instantly. Formula: MHz = GHz × 1000. Useful for CPU speeds, radio frequencies, and signal processing. - [GHz to RPM Converter](https://top10k.com/tool/gigahertz-to-rpm) - [Gradians to Arcminutes Converter](https://top10k.com/tool/gradian-to-arcminute): Converts angle values from gradians (grad/gon) to arcminutes (′), showing the formula (arcminutes = gradians × 54) and step-by-step result. - [Gradians to Arcseconds Converter](https://top10k.com/tool/gradian-to-arcsecond): Converts angle values from gradians (grad/gon) to arcseconds, showing the formula (arcseconds = gradians × 3240) and step-by-step result. - [Gradians to Degrees Converter](https://top10k.com/tool/gradian-to-degree): Converts angle values from gradians (grad/gon) to degrees, showing the formula (degrees = gradians × 9/10) and step-by-step result. - [Gradians to Radians Converter](https://top10k.com/tool/gradian-to-radian): Converts angle values from gradians (grad/gon) to radians, showing the formula (radians = gradians × π/200) and step-by-step result. - [Gradians to Turns Converter](https://top10k.com/tool/gradian-to-turn): Converts angle values from gradians (grad/gon) to turns (full rotations), showing the formula (turns = gradians / 400) and step-by-step result. - [Grains to Carats Converter](https://top10k.com/tool/grain-to-carat): Convert weight from grains (gr) to carats (ct) instantly using the exact conversion factor. 1 grain = 0.32399 carats. - [Grains to Grams Converter](https://top10k.com/tool/grain-to-gram): Converts a weight in grains (gr) to grams (g), showing the numeric result instantly. - [Grains to Kilograms Converter](https://top10k.com/tool/grain-to-kilogram): Converts weight in grains to kilograms. 1 grain = 0.00006479891 kg. Ideal for precise mass conversions in science, ballistics, and pharmaceuticals. - [Grains to Micrograms Converter](https://top10k.com/tool/grain-to-microgram): Converts grains (gr) to micrograms (mcg/µg) using the exact factor 1 grain = 64,798.91 µg. Includes a reverse converter and a quick-reference conversion table. - [Grains to Milligrams Converter](https://top10k.com/tool/grain-to-milligram): Converts a weight in grains (gr) to milligrams (mg), showing the numeric result instantly. - [Grains to Ounces Converter](https://top10k.com/tool/grain-to-ounce): Convert weight values in grains (gr) to avoirdupois ounces (oz). Instant, accurate, client-side calculation with a clean reference table. - [Grains to Pounds Converter](https://top10k.com/tool/grain-to-pound): Converts a weight value in grains (gr) to pounds (lb) instantly using the exact avoirdupois factor. - [Grains to Stones Converter](https://top10k.com/tool/grain-to-stone): Instantly convert a mass value in grains (gr) to stones (st). Uses the exact factor: 1 grain = 1/98,000 ≈ 0.0000102 stones. - [Grains to Tonnes Converter](https://top10k.com/tool/grain-to-tonne): Converts a mass value in grains to tonnes (metric tons). Instant, accurate conversion with formula reference. - [Grams to Cups Converter (Cooking)](https://top10k.com/tool/gram-cooking-to-cup-cooking): Converts grams to US cups for common cooking ingredients like flour, sugar, butter, and rice. Accounts for ingredient density so results are accurate for baking and cooking. - [Grams to Ounces Converter (Cooking)](https://top10k.com/tool/gram-cooking-to-ounce-cooking): Convert grams to ounces for cooking and baking. Includes a recipe scaler, common ingredient reference table, and fractional ounce display for US cookbook compatibility. - [Grams to Pounds Converter (Cooking)](https://top10k.com/tool/gram-cooking-to-pound-cooking): Convert grams to pounds and ounces for cooking and baking recipes. Includes common ingredient presets and a reference table for recipe scaling. - [Grams to Tablespoons Converter (Cooking)](https://top10k.com/tool/gram-cooking-to-tablespoon-cooking): Converts grams to tablespoons for common cooking ingredients like butter, oil, sugar, flour, honey, and salt. Accounts for each ingredient's density so results are accurate for baking and cooking. - [Grams to Teaspoons Converter](https://top10k.com/tool/gram-cooking-to-teaspoon-cooking): Converts a weight in grams to an approximate volume in teaspoons for common cooking ingredients (water, flour, sugar, butter, salt, honey, oil). Uses per-ingredient density values for accurate resu… - [g/cm3 to g/mL Converter](https://top10k.com/tool/gram-per-cubic-cm-to-gram-per-milliliter): Converts density from grams per cubic centimeter to grams per milliliter; 1 g/cm3 = 1 g/mL exactly (1 cm3 = 1 mL by definition) - [g/cm3 to kg/m3 Converter](https://top10k.com/tool/gram-per-cubic-cm-to-kg-per-cubic-meter): Converts density from grams per cubic centimeter (g/cm³) to kilograms per cubic meter (kg/m³); 1 g/cm³ = 1000 kg/m³; used in chemistry, materials science, and engineering. - [g/cm3 to lb/ft3 Converter](https://top10k.com/tool/gram-per-cubic-cm-to-pound-per-cubic-foot): Converts density from grams per cubic centimeter (g/cm³) to pounds per cubic foot (lb/ft³); 1 g/cm³ = 62.428 lb/ft³; used in engineering, materials science, and construction. - [g/L to mg/L Converter](https://top10k.com/tool/gram-per-liter-to-milligram-per-liter): Converts concentration from grams per liter (g/L) to milligrams per liter (mg/L). 1 g/L = 1000 mg/L exactly. - [g/L to PPB Converter](https://top10k.com/tool/gram-per-liter-to-ppb): Converts grams per liter (g/L) to parts per billion (PPB). For water, 1 g/L = 1,000,000 PPB. - [g/L to PPM Converter](https://top10k.com/tool/gram-per-liter-to-ppm): Converts grams per liter (g/L) to mass-based parts per million (PPM) using solution density. At 1 kg/L, 1 g/L = 1000 PPM. - [g/mL to g/cm3 Converter](https://top10k.com/tool/gram-per-milliliter-to-gram-per-cubic-cm): Converts density from grams per milliliter to grams per cubic centimeter; 1 g/mL = 1 g/cm3 exactly (1 mL = 1 cm3 by definition) - [g/mL to kg/m3 Converter](https://top10k.com/tool/gram-per-milliliter-to-kg-per-cubic-meter): Converts density from grams per milliliter (g/mL) to kilograms per cubic meter (kg/m³); 1 g/mL = 1000 kg/m³. - [g/mL to lb/ft3 Converter](https://top10k.com/tool/gram-per-milliliter-to-pound-per-cubic-foot): Converts density from grams per milliliter to pounds per cubic foot; 1 g/mL = 62.428 lb/ft3; used in chemistry, engineering, and materials science. - [Grams to Carats Converter](https://top10k.com/tool/gram-to-carat): Converts a mass value in grams to carats, the standard gemstone weight unit. 1 carat equals exactly 0.2 grams. - [Grams to Grains Converter](https://top10k.com/tool/gram-to-grain): Converts a mass value in grams to grains (1 gram = 15.4324 grains), with reverse grains-to-grams conversion and a quick-reference table. - [Grams to Kilograms Converter](https://top10k.com/tool/gram-to-kilogram): Converts a mass value in grams to kilograms instantly (1 g = 0.001 kg), with optional reverse conversion. - [Grams to Micrograms Converter](https://top10k.com/tool/gram-to-microgram): Converts a mass value in grams (g) to micrograms (mcg / µg). 1 gram equals exactly 1,000,000 micrograms. - [Grams to Milligrams Converter](https://top10k.com/tool/gram-to-milligram): Convert grams to milligrams instantly. 1 gram equals 1000 milligrams. Supports decimal and scientific notation input. - [Grams to Ounces Converter](https://top10k.com/tool/gram-to-ounce): Convert grams to ounces (avoirdupois) with precise conversion factor (1 g = 0.03527396195 oz), with reverse ounces to grams conversion and a quick-reference table. - [Grams to Pounds Converter](https://top10k.com/tool/gram-to-pound): Convert weight from grams (g) to pounds (lb) instantly. Supports decimal values and shows the full breakdown including ounces. - [Grams to Stones Converter](https://top10k.com/tool/gram-to-stone): Convert grams to stones, pounds, and ounces instantly. See the full breakdown of your mass value in imperial units. - [Grams to Tonnes Converter](https://top10k.com/tool/gram-to-tonne): Convert weight values from grams (g) to metric tonnes (t) instantly. Enter any gram value and get the precise tonne equivalent with full calculation details. - [Gray to Becquerel Converter](https://top10k.com/tool/gray-to-becquerel): Back-calculate radioactivity in becquerels (Bq) from absorbed dose in grays (Gy) using a dose coefficient. Reverse of the Bq→Gy conversion. - [Grays to Curies Converter](https://top10k.com/tool/gray-to-curie): Grays (Gy) measure absorbed dose; curies (Ci) measure radioactivity — they are different physical quantities with no fixed conversion factor. This tool explains the distinction, converts Gy to rela… - [Grays to Rad Converter](https://top10k.com/tool/gray-to-rad): Converts absorbed radiation dose in grays (Gy) to rad units; 1 Gy = 100 rad. - [Grays to Rem Converter](https://top10k.com/tool/gray-to-rem): Converts absorbed radiation dose in grays (Gy) to rem units. For x-rays and gamma rays the weighting factor is 1, so 1 Gy = 100 rem. Supports custom weighting factors for neutrons, alpha particles,… - [Grays to Sieverts Converter](https://top10k.com/tool/gray-to-sievert): Converts absorbed radiation dose in grays (Gy) to equivalent dose in sieverts (Sv) using a radiation weighting factor. Supports X-rays, gamma, beta, protons, alpha, and neutrons. - [GSM to Pound Paper Converter](https://top10k.com/tool/gsm-to-pound-paper): Converts paper weight between GSM (grams per square meter) and US pound basis weight for common paper types. - [Hectares to Acres Converter](https://top10k.com/tool/hectare-to-acre): Convert hectares to acres instantly. 1 hectare equals 2.47105 acres. Supports quick reference presets and reverse conversion. - [Hectares to Square Feet Converter](https://top10k.com/tool/hectare-to-square-foot): Converts area measurements from hectares to square feet instantly. Enter any hectare value and get the precise square foot equivalent with common reference examples. - [Hectares to Square Inches Converter](https://top10k.com/tool/hectare-to-square-inch): Converts area measurements from hectares to square inches with formula display and common reference points. - [Hectares to Square Kilometers Converter](https://top10k.com/tool/hectare-to-square-kilometer): Converts area values from hectares to square kilometers instantly. Enter a value in hectares and get the equivalent in square kilometers with full formula breakdown. - [Hectares to Square Meters Converter](https://top10k.com/tool/hectare-to-square-meter): Converts a value in hectares to square meters instantly. Useful for land area conversions in agriculture, real estate, and mapping. - [Hectares to Square Miles Converter](https://top10k.com/tool/hectare-to-square-mile): Converts area values from hectares to square miles instantly. Enter any hectare value and get the precise square mile equivalent with a clear formula breakdown. - [Hectares to Square Yards Converter](https://top10k.com/tool/hectare-to-square-yard): Converts area measurements from hectares to square yards instantly. - [Hectares to Acres Converter](https://top10k.com/tool/hectares-to-acres): Converts hectares to acres instantly with a reverse lookup. Enter either value for a live bidirectional conversion with formula display and real-world reference examples. - [Henries to Microhenries Converter](https://top10k.com/tool/henry-to-microhenry): Convert electrical inductance from henries (H) to microhenries (µH). 1 henry equals 1,000,000 microhenries. Instant conversion with formula and reverse lookup. - [Henries to Millihenries Converter](https://top10k.com/tool/henry-to-millihenry): Convert electrical inductance from henries (H) to millihenries (mH). 1 henry equals 1000 millihenries. Instant conversion with formula and reverse lookup. - [Hertz to Gigahertz Converter](https://top10k.com/tool/hertz-to-gigahertz): Convert frequency values from hertz (Hz) to gigahertz (GHz). 1 GHz equals 1,000,000,000 Hz. Supports decimal inputs and shows the formula used. - [Hertz to Kilohertz Converter](https://top10k.com/tool/hertz-to-kilohertz): Convert frequency values from hertz (Hz) to kilohertz (kHz). 1 kHz equals 1000 Hz. Supports decimal inputs and shows the formula used. - [Hertz to Megahertz Converter](https://top10k.com/tool/hertz-to-megahertz): Convert frequency values from hertz (Hz) to megahertz (MHz). 1 MHz equals 1,000,000 Hz. Supports decimal inputs and shows the formula used. - [Hertz to RPM Converter](https://top10k.com/tool/hertz-to-rpm): Converts a frequency in hertz (Hz) to revolutions per minute (RPM). Formula: RPM = Hz × 60. - [Horsepower to BTU per Hour Converter](https://top10k.com/tool/horsepower-to-btu-per-hour): Converts mechanical horsepower (hp) to BTU per hour (BTU/hr) with instant calculation, useful for HVAC and heating system sizing. - [Horsepower to Foot Pounds per Minute Converter](https://top10k.com/tool/horsepower-to-foot-pound-per-minute): Converts mechanical horsepower (hp) to foot-pounds per minute (ft·lbf/min) with instant calculation, a reference table, and formula explanation. - [Horsepower to Kilowatts Converter](https://top10k.com/tool/horsepower-to-kilowatt): Convert mechanical horsepower (hp) to kilowatts (kW) with instant calculation and a reference table for common horsepower values. - [Horsepower to Megawatts Converter](https://top10k.com/tool/horsepower-to-megawatt): Converts mechanical horsepower (hp) to megawatts (MW) with instant calculation and a reference table for large-scale power values. - [Horsepower to Watts Converter](https://top10k.com/tool/horsepower-to-watt): Converts mechanical horsepower (hp) to watts (W) and kilowatts (kW) instantly. Includes a reference table for common horsepower values. - [Horsepower to Watts Converter](https://top10k.com/tool/horsepower-to-watts): Converts horsepower to watts and kilowatts, supporting mechanical, electrical, and metric (PS) HP types. Includes reverse watts-to-HP conversion and a common power reference table. - [Hours to Days Converter](https://top10k.com/tool/hour-to-day): Converts a number of hours into the equivalent number of days (1 day = 24 hours). Supports decimals and shows a full days, hours, and minutes breakdown. - [Hours to Decades Converter](https://top10k.com/tool/hour-to-decade): Converts hours to decades using the precise factor of 87,658.128 hours per decade (365.2422 days/year × 24 h/day × 10 years). - [Hours to Microseconds Converter](https://top10k.com/tool/hour-to-microsecond): Converts a number of hours into the equivalent number of microseconds (1 hour = 3,600,000,000 microseconds) with instant result and a reference table. - [Hours to Milliseconds Converter](https://top10k.com/tool/hour-to-millisecond): Converts a number of hours into the equivalent number of milliseconds. One hour equals exactly 3,600,000 milliseconds. - [Hours to Minutes Converter](https://top10k.com/tool/hour-to-minute): Converts a number of hours into the equivalent number of minutes (1 hour = 60 minutes). - [Hours to Months Converter](https://top10k.com/tool/hour-to-month): Converts a number of hours into the equivalent number of months using the average month of 30.4375 days (730.5 hours). Supports decimals and shows days and weeks too. - [Hours to Seconds Converter](https://top10k.com/tool/hour-to-second): Converts a number of hours into the equivalent number of seconds (1 hour = 3,600 seconds). - [Hours to Weeks Converter](https://top10k.com/tool/hour-to-week): Convert any number of hours into the equivalent number of weeks. 1 week = 168 hours. Supports decimals and shows a full time breakdown. - [Hours to Years Converter](https://top10k.com/tool/hour-to-year): Converts a number of hours into the equivalent number of years using the Julian year (365.25 days = 8,766 hours). Shows a full breakdown: years, days, hours, minutes. - [Inch Pounds to Foot Pounds Converter](https://top10k.com/tool/inch-pound-torque-to-foot-pound-torque): Converts torque from inch-pounds (in·lb) to foot-pounds (ft·lb); 1 in·lb = 1/12 ft·lb exactly. - [Inch Pounds to kgf-m Converter](https://top10k.com/tool/inch-pound-torque-to-kilogram-force-meter): Converts inch-pound torque values to kilogram-force meters. 1 in·lb = 0.011521246 kgf·m. Useful for translating US small-engine torque specs to metric kgf·m. - [Inch Pounds to Newton Meters Converter](https://top10k.com/tool/inch-pound-torque-to-newton-meter): Converts torque from inch-pounds (in·lb) to newton-meters (N·m); 1 in·lb = 0.1129848290276167 N·m; useful for small fastener and precision torque specs. - [Inches to Centimeters Converter](https://top10k.com/tool/inch-to-centimeter): Converts inches to centimeters (1 in = 2.54 cm) instantly. Includes a reference table for common inch values. - [Inches to Feet Converter](https://top10k.com/tool/inch-to-foot): Converts inches to feet and inches with decimal and fractional display. Shows both decimal feet and the feet + inches breakdown instantly. - [Inches to Furlongs Converter](https://top10k.com/tool/inch-to-furlong): Convert a length in inches to furlongs instantly. Shows the exact furlong value and a breakdown of the conversion math. - [Inches to Kilometers Converter](https://top10k.com/tool/inch-to-kilometer): Converts inches to kilometers (1 in = 0.0000254 km) with a reference table for common distances. - [Inches to Light Years Converter](https://top10k.com/tool/inch-to-light-year): Converts a length in inches to light years instantly with accurate scientific notation output. - [Inches to Meters Converter](https://top10k.com/tool/inch-to-meter): Converts inches to meters using the exact factor (1 in = 0.0254 m), with a quick-reference table for common values. - [Inches to Micrometers Converter](https://top10k.com/tool/inch-to-micrometer): Convert a length in inches to micrometers (µm) instantly. 1 inch equals exactly 25,400 micrometers. - [Inches to Miles Converter](https://top10k.com/tool/inch-to-mile): Convert inches to miles instantly. Also shows the equivalent in feet, yards, kilometers, centimeters, and millimeters for a complete length reference. - [Inches to Millimeters Converter](https://top10k.com/tool/inch-to-millimeter): Convert a length in inches to millimeters instantly (1 in = 25.4 mm). Includes a reference table for common inch values. - [Inches to Nanometers Converter](https://top10k.com/tool/inch-to-nanometer): Convert a length in inches to nanometers (nm) instantly. 1 inch = 25,400,000 nanometers. Supports decimal inputs and batch conversion. - [Inches to Nautical Miles Converter](https://top10k.com/tool/inch-to-nautical-mile): Converts inches to nautical miles and back, useful for marine and aviation navigation. - [Inches to Yards Converter](https://top10k.com/tool/inch-to-yard): Convert inches to yards instantly using the exact formula: 1 inch = 1/36 yard. Supports reverse conversion from yards to inches and includes a quick-reference table of common lengths. - [inHg to Atmospheres Converter](https://top10k.com/tool/inhg-to-atmosphere): Convert inches of mercury (inHg) to standard atmospheres (atm). Instantly convert any pressure value with the precise factor 1 inHg = 0.033421 atm. - [inHg to Bars Converter](https://top10k.com/tool/inhg-to-bar): Convert pressure in inches of mercury (inHg) to bars. 1 inHg = 0.033864 bar. Includes reverse bar-to-inHg conversion and a reference table of common values. - [inHg to Kilopascals Converter](https://top10k.com/tool/inhg-to-kilopascal): Converts inches of mercury (inHg) to kilopascals (kPa), used in HVAC, meteorology, and aviation where kPa is the preferred SI unit. - [inHg to mmHg Converter](https://top10k.com/tool/inhg-to-mmhg): Converts inches of mercury (inHg) to millimeters of mercury (mmHg), useful for pressure, weather, and medical applications. - [inHg to Pascals Converter](https://top10k.com/tool/inhg-to-pascal): Converts inches of mercury (inHg) barometric pressure to pascals (Pa), commonly used for weather station readings and aviation altimeter settings. - [inHg to PSI Converter](https://top10k.com/tool/inhg-to-psi): Convert inches of mercury (inHg) to pounds per square inch (PSI) instantly, with reverse PSI-to-inHg conversion and a quick reference table. - [inHg to Torr Converter](https://top10k.com/tool/inhg-to-torr): Converts inches of mercury (inHg) pressure values to torr with formula explanation and a reference table. - [Joules to BTU Converter](https://top10k.com/tool/joule-to-btu): Converts energy from joules (J) to British Thermal Units (BTU) — 1 J = 0.000947817 BTU; also converts kJ and shows BTU/hr for power; bidirectional input. - [Joules to Calories Converter](https://top10k.com/tool/joule-to-calorie): Converts energy in joules (J) to thermochemical calories (cal); 1 cal = 4.184 J exactly. - [Joules to Electronvolts Converter](https://top10k.com/tool/joule-to-electronvolt): Converts energy from joules (J) to electronvolts (eV), keV, MeV, and GeV — 1 J = 6.24150907×10¹⁸ eV; bidirectional input with scientific notation display. - [Joules to Foot-Pounds Converter](https://top10k.com/tool/joule-to-foot-pound): Converts energy values from joules (J) to foot-pounds (ft·lbf) with instant bidirectional results and a reference table of common values. - [Joules to Kilocalories Converter](https://top10k.com/tool/joule-to-kilocalorie): Converts joules (J), kilojoules (kJ), and megajoules (MJ) to kilocalories (kcal, food Calories) and vice versa, with a reference table for common food and exercise energy values. - [Joules to Kilojoules Converter](https://top10k.com/tool/joule-to-kilojoule): Converts energy in joules (J) to kilojoules (kJ); 1 kJ = 1000 J. Supports reverse conversion and includes a quick-reference table. - [Joules to Kilowatt Hours Converter](https://top10k.com/tool/joule-to-kilowatt-hour): Converts energy from joules (J) to kilowatt-hours (kWh) — 1 J = 2.77778×10⁻⁷ kWh; also shows watt-hours (Wh); bidirectional input. - [Joules to Watt Hours Converter](https://top10k.com/tool/joule-to-watt-hour): Converts energy from joules (J) to watt-hours (Wh) and kilowatt-hours (kWh). Bidirectional: also converts Wh and kWh back to joules. Conversion factor: 1 J = 1/3600 Wh = 0.000277778 Wh. - [Joules to Calories Converter](https://top10k.com/tool/joules-to-calories): Converts joules to calories and kilocalories (and vice versa) for physics and nutrition contexts. - [Kilobytes to Megabytes Converter](https://top10k.com/tool/kb-to-mb): Convert kilobytes to megabytes instantly using both SI (decimal, 1 MB = 1,000 KB) and binary (IEC, 1 MiB = 1,024 KiB) standards. Includes reverse MB-to-KB conversion and a quick-reference table of … - [kbps to bps Converter](https://top10k.com/tool/kbps-to-bps): Convert kilobits per second to bits per second (1 kbps = 1,000 bps). Instant reverse conversion included. - [kbps to Gbps Converter](https://top10k.com/tool/kbps-to-gbps): Convert kilobits per second to gigabits per second instantly. Uses the SI definition: 1 Gbps = 1,000,000 kbps. Useful for comparing DSL/cable speeds with fiber backbone rates. - [kbps to GB/s Converter](https://top10k.com/tool/kbps-to-gbyte-per-second): Convert kilobits per second to gigabytes per second. Uses the standard SI definition: 1 GB/s = 8,000,000 kbps. - [kbps to Mbps Converter](https://top10k.com/tool/kbps-to-mbps): Convert kilobits per second to megabits per second (1 Mbps = 1,000 kbps). Instant bidirectional conversion with a common speed reference table. - [kbps to MB/s Converter](https://top10k.com/tool/kbps-to-mbyte-per-second): Convert kilobits per second (kbps) to megabytes per second (MB/s). Uses the standard SI definition: 1 MB/s = 8,000 kbps. - [Kelvin to Celsius Converter](https://top10k.com/tool/kelvin-to-celsius): Converts Kelvin temperatures to Celsius with absolute zero context and scientific reference points. - [Kelvin to Fahrenheit Converter](https://top10k.com/tool/kelvin-to-fahrenheit): Converts Kelvin temperatures to Fahrenheit in one step. - [Kelvin to Rankine Converter](https://top10k.com/tool/kelvin-to-rankine): Convert temperature from Kelvin to Rankine (Ra = K × 1.8). Both scales share absolute zero, so 0 K = 0 Ra and the ratio is always exactly 1.8. - [Kelvin to Reaumur Converter](https://top10k.com/tool/kelvin-to-reaumur): Converts temperature values from Kelvin to the Reaumur scale (°Ré), where water freezes at 0 °Ré and boils at 80 °Ré. - [kg/m³ to g/cm³ Converter](https://top10k.com/tool/kg-per-cubic-meter-to-gram-per-cubic-cm): Converts density values from kilograms per cubic meter (kg/m³) to grams per cubic centimeter (g/cm³), with bidirectional conversion and a reference table of common material densities. - [kg/m³ to g/mL Converter](https://top10k.com/tool/kg-per-cubic-meter-to-gram-per-milliliter): Converts density from kilograms per cubic meter (kg/m³) to grams per milliliter (g/mL); 1 kg/m³ = 0.001 g/mL (since 1 m³ = 1,000,000 mL and 1 kg = 1000 g). - [kg/m3 to lb/ft3 Converter](https://top10k.com/tool/kg-per-cubic-meter-to-pound-per-cubic-foot): Converts density from kilograms per cubic meter (kg/m³) to pounds per cubic foot (lb/ft³); 1 kg/m³ = 0.0624279606 lb/ft³; used in material science, construction, and fluid mechanics. - [Kibibytes to Bits Converter](https://top10k.com/tool/kibibyte-to-bit): Converts a value in kibibytes (KiB) to bits. Uses the binary IEC standard: 1 KiB = 1,024 bytes = 8,192 bits. - [Kibibytes to Bytes Converter](https://top10k.com/tool/kibibyte-to-byte): Converts kibibytes (KiB) to bytes using the IEC binary definition where 1 KiB = 1024 bytes exactly. Shows the equivalent in kilobytes (KB) for comparison. Includes a reference table. - [Kibibytes to Gibibytes Converter](https://top10k.com/tool/kibibyte-to-gibibyte): Converts a value in kibibytes (KiB) to gibibytes (GiB) using the exact binary factor (1 GiB = 1,048,576 KiB). - [Kibibytes to Gigabytes Converter](https://top10k.com/tool/kibibyte-to-gigabyte): Converts kibibytes (KiB) to gigabytes (GB) using the SI decimal definition where 1 GB = 1,000,000,000 bytes and 1 KiB = 1024 bytes, giving 1 KiB = 0.000001024 GB. - [Kibibytes to Kilobytes Converter](https://top10k.com/tool/kibibyte-to-kilobyte): Convert kibibytes (KiB) to kilobytes (KB) and back. Kibibytes use the IEC binary base (1 KiB = 1,024 bytes), while kilobytes use the SI decimal base (1 KB = 1,000 bytes). The exact conversion facto… - [Kibibytes to Mebibytes Converter](https://top10k.com/tool/kibibyte-to-mebibyte): Converts kibibytes (KiB) to mebibytes (MiB) using the exact IEC binary factor where 1 MiB = 1024 KiB. Shows the equivalent in megabytes (MB) for comparison. Includes a reference table. - [Kibibytes to Megabytes Converter](https://top10k.com/tool/kibibyte-to-megabyte): Converts kibibytes (KiB) to megabytes (MB) using the SI definition. 1 KiB = 1,024 bytes; 1 MB = 1,000,000 bytes, so 1 KiB = 0.001024 MB. - [Kibibytes to Petabytes Converter](https://top10k.com/tool/kibibyte-to-petabyte): Converts kibibytes (KiB) to petabytes (PB) using the SI decimal definition where 1 PB = 10^15 bytes and 1 KiB = 1024 bytes, giving 1 KiB = 1.024e-12 PB. - [Kibibytes to Terabytes Converter](https://top10k.com/tool/kibibyte-to-terabyte): Converts kibibytes (KiB) to terabytes (TB) using the SI decimal definition where 1 TB = 1,000,000,000,000 bytes and 1 KiB = 1024 bytes, giving 1 KiB = 0.000000001024 TB. - [Kilobytes to Bits Converter](https://top10k.com/tool/kilobyte-to-bit): Converts kilobytes (KB) to bits using SI decimal (1 KB = 8,000 bits) and binary IEC (1 KiB = 8,192 bits) standards. Shows both results side by side. - [Kilobytes to Bytes Converter](https://top10k.com/tool/kilobyte-to-byte): Converts kilobytes (KB) to bytes using 1 KB = 1,000 bytes (SI decimal) and also shows the kibibyte conversion (1 KiB = 1,024 bytes). - [Kilobytes to Gibibytes Converter](https://top10k.com/tool/kilobyte-to-gibibyte): Converts decimal kilobytes to gibibytes (1 GiB = 1,073,741,824 bytes = 1,073,741.824 KB). - [Kilobytes to Gigabytes Converter](https://top10k.com/tool/kilobyte-to-gigabyte): Converts kilobytes (KB) to gigabytes (GB) using 1 GB = 1,000,000 KB (SI decimal). Shows binary gibibyte (GiB) equivalent and step-by-step calculation. - [Kilobyte to Kibibyte Converter](https://top10k.com/tool/kilobyte-to-kibibyte): Convert between kilobytes (KB) and kibibytes (KiB). Kilobytes use the SI decimal base (1 KB = 1,000 bytes), while kibibytes use the IEC binary base (1 KiB = 1,024 bytes). Useful for understanding d… - [Kilobyte to Mebibyte Converter](https://top10k.com/tool/kilobyte-to-mebibyte): Converts kilobytes (KB, SI decimal: 1 KB = 1,000 bytes) to mebibytes (MiB, IEC binary: 1 MiB = 1,048,576 bytes). Shows full precision and the reverse direction. - [Kilobytes to Megabytes Converter](https://top10k.com/tool/kilobyte-to-megabyte): Converts kilobytes (KB) to megabytes (MB) using 1 MB = 1,000 KB (SI decimal). Also shows the mebibyte (MiB) and kibibyte (KiB) binary equivalents. - [Kilobytes to Petabytes Converter](https://top10k.com/tool/kilobyte-to-petabyte): Convert kilobytes (KB) to petabytes (PB) using SI decimal (1 PB = 10^12 KB) and binary pebibytes (PiB = 2^50 bytes). Includes real-world data scale examples. - [Kilobytes to Terabytes Converter](https://top10k.com/tool/kilobyte-to-terabyte): Converts decimal kilobytes (KB) to terabytes (TB) and expresses the same byte count in tebibytes (TiB). - [Kilocalories to BTU Converter](https://top10k.com/tool/kilocalorie-to-btu): Converts kilocalories (kcal) to British Thermal Units (BTU) and vice versa, useful for comparing food energy, heating values, and HVAC energy calculations. - [Kilocalorie to Calorie Converter](https://top10k.com/tool/kilocalorie-to-calorie): Converts kilocalories (kcal) to small calories (cal). 1 kcal = 1000 cal. Covers thermochemical and International Table calorie variants with a quick-reference table. - [Kilocalories to Electronvolts Converter](https://top10k.com/tool/kilocalorie-to-electronvolt): Converts kilocalories (kcal) to electronvolts (eV) and vice versa, bridging food/chemical energy units with atomic-scale energy units used in physics and chemistry. - [Kilocalories to Foot-Pounds Converter](https://top10k.com/tool/kilocalorie-to-foot-pound): Converts kilocalories (kcal) to foot-pounds (ft·lbf) and vice versa, bridging thermal and mechanical energy units used in engineering and physics. - [Kilocalories to Joules Converter](https://top10k.com/tool/kilocalorie-to-joule): Convert kilocalories (kcal) to joules (J), kilojoules (kJ), and other energy units, with a reverse converter for dietary and physics applications. - [Kilocalories to Kilojoules Converter](https://top10k.com/tool/kilocalorie-to-kilojoule): Convert kilocalories (kcal) to kilojoules (kJ) for nutrition labels, diet tracking, and scientific work. 1 kcal = 4.184 kJ. - [Kilocalories to Kilowatt Hours Converter](https://top10k.com/tool/kilocalorie-to-kilowatt-hour): Convert kilocalories (kcal) to kilowatt hours (kWh) and vice versa. Useful for comparing food energy with electrical energy consumption. - [Kilocalorie to Watt-hour Converter](https://top10k.com/tool/kilocalorie-to-watt-hour): Convert kilocalories (kcal) to watt-hours (Wh) and kilowatt-hours (kWh) using the exact thermochemical factor. Includes a reverse Wh-to-kcal converter and a quick-reference table. - [kgf-m to Foot Pounds Converter](https://top10k.com/tool/kilogram-force-meter-to-foot-pound-torque): Converts kilogram-force meter torque to foot-pounds. 1 kgf·m = 7.23301 ft·lb. Useful for engineering specs, automotive work, and mechanical applications. - [kgf-m to Inch Pounds Converter](https://top10k.com/tool/kilogram-force-meter-to-inch-pound-torque): Converts kilogram-force meter (kgf·m) torque to inch-pounds (in·lb) and back. 1 kgf·m = 86.7961664 in·lb. Useful for metric-to-imperial torque conversion on automotive and machinery specs. - [kgf-m to Newton Meters Converter](https://top10k.com/tool/kilogram-force-meter-to-newton-meter): Converts kilogram-force meter (kgf·m) torque values to newton-meters (N·m) and back; 1 kgf·m = 9.80665 N·m exactly; useful for translating Asian vehicle torque specs to SI units. - [Kilogram-force to Dynes Converter](https://top10k.com/tool/kilogram-force-to-dyne): Convert kilogram-force (kgf) to dynes (dyn). Uses the exact conversion factor: 1 kgf = 980665 dyn (standard gravity × 100000 dyn/N). - [Kilogram-force to Kilonewtons Converter](https://top10k.com/tool/kilogram-force-to-kilonewton): Converts force values from kilogram-force (kgf) to kilonewtons (kN) and other force units including newtons, pound-force, and dyne. - [Kilogram-force to Newtons Converter](https://top10k.com/tool/kilogram-force-to-newton): Convert kilogram-force (kgf) to newtons (N). Uses the exact conversion factor: 1 kgf = 9.80665 N (standard gravity). - [Kilogram-force to Pound-force Converter](https://top10k.com/tool/kilogram-force-to-pound-force): Converts a force value in kilogram-force to pound-force (1 kgf = 2.20462 lbf). Includes swap direction, formula, and a reference table. - [Kilograms to Carats Converter](https://top10k.com/tool/kilogram-to-carat): Converts a mass value in kilograms to carats (1 kg = 5000 carats), used in gemstone and precious-metal weighing. - [Kilograms to Grains Converter](https://top10k.com/tool/kilogram-to-grain): Converts a mass value in kilograms to grains (1 kg = 15432.3584 grains), used in ballistics, pharmaceuticals, and precious metals. - [Kilograms to Grams Converter](https://top10k.com/tool/kilogram-to-gram): Converts a mass value in kilograms to grams instantly. Enter any kilogram value and get the exact gram equivalent in real time. - [Kilograms to Micrograms Converter](https://top10k.com/tool/kilogram-to-microgram): Convert mass values from kilograms to micrograms instantly. 1 kilogram equals 1,000,000,000 micrograms (µg). Supports decimal and scientific notation input. - [Kilograms to Milligrams Converter](https://top10k.com/tool/kilogram-to-milligram): Converts a mass value in kilograms to milligrams instantly. Also converts to grams, micrograms, and pounds. - [Kilograms to Ounces Converter](https://top10k.com/tool/kilogram-to-ounce): Converts a mass value in kilograms to ounces instantly. - [Kilograms to Pounds Converter](https://top10k.com/tool/kilogram-to-pound): Converts a weight value in kilograms to pounds with high precision. - [Kilograms to Stones Converter](https://top10k.com/tool/kilogram-to-stone): Converts a weight in kilograms to stones (and pounds), used primarily in UK/Ireland body weight contexts. - [Kilograms to Tonnes Converter](https://top10k.com/tool/kilogram-to-tonne): Converts a mass value in kilograms to metric tonnes instantly. Enter any kilogram value and get the exact metric tonne equivalent in real time. - [Kilohertz to Gigahertz Converter](https://top10k.com/tool/kilohertz-to-gigahertz): Convert frequency from kilohertz (kHz) to gigahertz (GHz). 1 GHz equals 1,000,000 kHz. Useful for RF, wireless, and electronics work. - [Kilohertz to Hertz Converter](https://top10k.com/tool/kilohertz-to-hertz): Converts a frequency value in kilohertz (kHz) to hertz (Hz). 1 kHz equals 1,000 Hz. Supports decimal inputs and shows the formula used. - [Kilohertz to Megahertz Converter](https://top10k.com/tool/kilohertz-to-megahertz): Convert frequency from kilohertz (kHz) to megahertz (MHz). 1 MHz equals 1000 kHz. Useful for radio, audio, and electronics work. - [Kilohertz to RPM Converter](https://top10k.com/tool/kilohertz-to-rpm): Converts a frequency in kilohertz (kHz) to revolutions per minute (RPM). Formula: RPM = kHz × 60,000. - [Kilojoules to BTU Converter](https://top10k.com/tool/kilojoule-to-btu): Converts energy values from kilojoules (kJ) to British Thermal Units (BTU), used in HVAC, heating, and food energy calculations. - [Kilojoules to Calories Converter](https://top10k.com/tool/kilojoule-to-calorie): Converts energy values from kilojoules (kJ) to thermochemical calories (cal). Useful for physics, chemistry, and thermodynamics unit conversion. - [Kilojoules to Electronvolts Converter](https://top10k.com/tool/kilojoule-to-electronvolt): Convert energy from kilojoules (kJ) to electronvolts (eV). Used in atomic and particle physics for relating macroscopic and quantum-scale energy values. - [Kilojoules to Foot Pounds Converter](https://top10k.com/tool/kilojoule-to-foot-pound): Converts energy values from kilojoules (kJ) to foot-pounds force (ft·lbf), used in mechanical engineering, ballistics, and automotive work. - [Kilojoules to Joules Converter](https://top10k.com/tool/kilojoule-to-joule) - [Kilojoules to Kilocalories Converter](https://top10k.com/tool/kilojoule-to-kilocalorie): Convert kilojoules (kJ) to kilocalories (kcal / food Calories). Commonly used in nutrition labeling and dietary planning. - [Kilojoules to Kilowatt Hours Converter](https://top10k.com/tool/kilojoule-to-kilowatt-hour): Converts energy values from kilojoules to kilowatt-hours, useful for electricity billing and energy storage. - [Kilojoules to Watt Hours Converter](https://top10k.com/tool/kilojoule-to-watt-hour): Convert energy values from kilojoules (kJ) to watt-hours (Wh) instantly. Useful for electrical energy calculations, battery capacity planning, and comparing mechanical and electrical energy units. - [Kilometers per Hour to Feet per Second Converter](https://top10k.com/tool/kilometer-per-hour-to-foot-per-second): Converts speed values from kilometers per hour (km/h) to feet per second (ft/s). Instant conversion with the exact factor, reverse lookup, and a reference table of common speeds. - [Kilometers per Hour to Knots Converter](https://top10k.com/tool/kilometer-per-hour-to-knot): Converts speed from kilometers per hour (km/h) to knots (nautical miles per hour) and back, with a reference conversion table. - [Kilometers per Hour to Mach Converter](https://top10k.com/tool/kilometer-per-hour-to-mach): Converts speed in km/h to Mach number using the standard speed of sound (343 m/s at sea level). Includes reverse conversion and a reference table of notable speeds. - [Kilometers per Hour to Meters per Second Converter](https://top10k.com/tool/kilometer-per-hour-to-meter-per-second): Converts speed from kilometers per hour (km/h) to meters per second (m/s). Instant result, reverse conversion, and a reference table of common speeds. - [Kilometers per Hour to Miles per Hour Converter](https://top10k.com/tool/kilometer-per-hour-to-mile-per-hour): Converts speed values from km/h to mph instantly. Includes the exact conversion formula, a bulk conversion table, and common speed references. - [Kilometers to Centimeters Converter](https://top10k.com/tool/kilometer-to-centimeter) - [Kilometers to Feet Converter](https://top10k.com/tool/kilometer-to-foot): Converts kilometers to feet instantly with a clean, accurate client-side converter. - [Kilometers to Furlongs Converter](https://top10k.com/tool/kilometer-to-furlong) - [Kilometers to Inches Converter](https://top10k.com/tool/kilometer-to-inch): Converts kilometers to inches instantly with a clean, accurate client-side converter. - [Kilometers to Light Years Converter](https://top10k.com/tool/kilometer-to-light-year): Convert distances between kilometers and light years instantly. Supports both km to ly and ly to km directions with scientific notation output. - [Kilometers to Meters Converter](https://top10k.com/tool/kilometer-to-meter): Convert kilometers to meters instantly with formula display and reverse conversion. Supports decimal and large values, with a quick-reference table of common distances. - [Kilometers to Micrometers Converter](https://top10k.com/tool/kilometer-to-micrometer): Instantly convert a distance value in kilometers to micrometers with full precision. Handles scientific notation and bulk values. - [Kilometers to Miles Converter](https://top10k.com/tool/kilometer-to-mile): Convert kilometers to miles (and back) instantly. Includes the conversion formula, a bidirectional input, and a reference table of common distances. - [Kilometers to Millimeters Converter](https://top10k.com/tool/kilometer-to-millimeter): Converts kilometers to millimeters with formula reference and reverse conversion. Supports decimal and large values with a quick-reference table of common distances. - [Kilometers to Nanometers Converter](https://top10k.com/tool/kilometer-to-nanometer) - [Kilometers to Nautical Miles Converter](https://top10k.com/tool/kilometer-to-nautical-mile) - [Kilometers to Yards Converter](https://top10k.com/tool/kilometer-to-yard) - [Kilonewtons to Dynes Converter](https://top10k.com/tool/kilonewton-to-dyne): Converts force values from kilonewtons (kN) to dynes (dyn), the CGS unit of force. 1 kN = 100,000,000 dynes. - [Kilonewtons to Kilogram-force Converter](https://top10k.com/tool/kilonewton-to-kilogram-force): Converts force values from kilonewtons (kN) to kilogram-force (kgf), used in mechanical engineering and structural calculations. - [Kilonewtons to Newtons Converter](https://top10k.com/tool/kilonewton-to-newton): Converts force in kilonewtons (kN) to newtons (N). 1 kN = 1000 N. Supports multi-unit output including pound-force and kilogram-force. - [Kilonewtons to Pound-force Converter](https://top10k.com/tool/kilonewton-to-pound-force): Converts force values from kilonewtons (kN) to pound-force (lbf), common in US engineering and structural specifications. - [Kilopascals to Atmospheres Converter](https://top10k.com/tool/kilopascal-to-atmosphere): Converts pressure values from kilopascals (kPa) to standard atmospheres (atm), with reverse conversion and reference values. - [Kilopascals to Bars Converter](https://top10k.com/tool/kilopascal-to-bar): Convert pressure values from kilopascals (kPa) to bars, with reverse bar-to-kPa conversion and a common pressure reference table. - [Kilopascals to inHg Converter](https://top10k.com/tool/kilopascal-to-inhg): Converts pressure values from kilopascals (kPa) to inches of mercury (inHg) used in weather and aviation. Includes reverse inHg-to-kPa conversion and a quick-reference table. - [Kilopascals to mmHg Converter](https://top10k.com/tool/kilopascal-to-mmhg): Converts pressure values from kilopascals (kPa) to millimeters of mercury (mmHg) with instant results and reverse conversion. - [Kilopascals to Pascals Converter](https://top10k.com/tool/kilopascal-to-pascal): Converts pressure in kilopascals (kPa) to pascals (Pa) and back, with common reference values. - [Kilopascals to PSI Converter](https://top10k.com/tool/kilopascal-to-psi): Convert pressure from kilopascals (kPa) to pounds per square inch (PSI), with reverse PSI-to-kPa conversion and a reference table of common pressure values. - [Kilopascals to Torr Converter](https://top10k.com/tool/kilopascal-to-torr): Converts pressure values from kilopascals (kPa) to torr (mmHg) with instant results and reverse conversion. - [Kilowatt Hours to BTU Converter](https://top10k.com/tool/kilowatt-hour-to-btu): Converts energy from kilowatt-hours (kWh) to British Thermal Units (BTU) and back. 1 kWh = 3,412.14 BTU. - [Kilowatt Hours to Calories Converter](https://top10k.com/tool/kilowatt-hour-to-calorie): Converts energy values from kilowatt-hours (kWh) to thermochemical calories (cal) or food kilocalories (kcal); 1 kWh ≈ 860,420.65 cal. - [Kilowatt Hours to Electronvolts Converter](https://top10k.com/tool/kilowatt-hour-to-electronvolt): Converts energy from kilowatt-hours (kWh) to electronvolts (eV), keV, MeV, and GeV. 1 kWh = 2.24694×10²⁵ eV. - [Kilowatt Hours to Foot Pounds Converter](https://top10k.com/tool/kilowatt-hour-to-foot-pound): Converts energy from kilowatt-hours (kWh) to foot-pounds (ft·lbf). 1 kWh = 2,655,224 ft·lbf. - [Kilowatt Hours to Joules Converter](https://top10k.com/tool/kilowatt-hour-to-joule): Converts kilowatt-hours (kWh) to joules (J) and back; 1 kWh = 3,600,000 J (3.6 MJ); shows results in J, MJ, and GJ with scientific notation. - [Kilowatt Hours to Kilocalories Converter](https://top10k.com/tool/kilowatt-hour-to-kilocalorie): Converts energy values from kilowatt-hours (kWh) to International Table kilocalories (kcal). 1 kWh ≈ 859.845 kcal (IT). - [Kilowatt Hours to Kilojoules Converter](https://top10k.com/tool/kilowatt-hour-to-kilojoule): Converts energy values from kilowatt-hours (kWh) to kilojoules (kJ) and back. 1 kWh = 3,600 kJ exactly. - [Kilowatt Hours to Watt Hours Converter](https://top10k.com/tool/kilowatt-hour-to-watt-hour): Converts energy values from kilowatt-hours (kWh) to watt-hours (Wh). 1 kWh = 1000 Wh. - [Kilowatts to BTU per Hour Converter](https://top10k.com/tool/kilowatt-to-btu-per-hour): Convert kilowatts to BTU/hr for HVAC, heating, and cooling system sizing. - [Kilowatt to Foot-Pound per Minute Converter](https://top10k.com/tool/kilowatt-to-foot-pound-per-minute): Convert power values from kilowatts (kW) to foot-pounds per minute (ft·lbf/min) for mechanical engineering, motor sizing, and imperial power calculations. - [Kilowatts to Horsepower Converter](https://top10k.com/tool/kilowatt-to-horsepower): Convert kilowatts to mechanical horsepower for motor and engine power specifications. - [Kilowatts to Megawatts Converter](https://top10k.com/tool/kilowatt-to-megawatt): Convert kilowatts to megawatts for large-scale power plant and grid calculations. - [Kilowatts to Watts Converter](https://top10k.com/tool/kilowatt-to-watt): Convert kilowatts to watts for precise electrical power calculations. Enter any kW value and get the watt equivalent instantly with a reference table. - [Km/L to L/100km Converter](https://top10k.com/tool/km-per-liter-to-liter-per-100km) - [km/L to MPG (UK) Converter](https://top10k.com/tool/km-per-liter-to-mpg-uk): Converts kilometers per liter to UK miles per gallon. 1 km/L = 2.82481 MPG (UK), based on the Imperial gallon (4.54609 L) and 1 mile = 1.609344 km. - [km/L to MPG (US) Converter](https://top10k.com/tool/km-per-liter-to-mpg-us): Convert kilometers per liter to US miles per gallon. Enter any km/L fuel economy value and get the exact US MPG equivalent instantly. - [KM/H to MPH Converter](https://top10k.com/tool/kmh-to-mph): Converts kilometers per hour to miles per hour instantly. Includes the conversion formula, reverse MPH to KM/H, and a reference table for common speeds. - [Knots to Feet per Second Converter](https://top10k.com/tool/knot-to-foot-per-second): Converts speed in knots to feet per second (fps), used in aerospace and ballistics calculations. - [Knots to Kilometers per Hour Converter](https://top10k.com/tool/knot-to-kilometer-per-hour): Converts speed in knots to kilometers per hour (km/h), useful for maritime and aviation navigation. - [Knots to Mach Converter](https://top10k.com/tool/knot-to-mach): Convert speed in knots to Mach number for aviation and supersonic flight calculations. Accounts for altitude-dependent speed of sound. - [Knots to Meters per Second Converter](https://top10k.com/tool/knot-to-meter-per-second): Converts nautical speed from knots (kn) to meters per second (m/s) instantly, with a reference table for common knot values used in aviation and maritime navigation. - [Knots to Miles per Hour Converter](https://top10k.com/tool/knot-to-mile-per-hour): Converts speed in knots to miles per hour (mph), used in maritime, aviation, and weather reporting. - [Knots to MPH Converter](https://top10k.com/tool/knots-to-mph): Converts nautical knots to miles per hour and also shows km/h and m/s equivalents. - [Length Converter](https://top10k.com/tool/length): Convert length and distance units instantly across mm, cm, m, km, inch, foot, yard, mile, and nautical mile. - [Light Years to Centimeters Converter](https://top10k.com/tool/light-year-to-centimeter): Converts a distance in light years to centimeters using the exact conversion factor (1 ly = 9.4607304725808 × 10¹⁷ cm). - [Light Years to Feet Converter](https://top10k.com/tool/light-year-to-foot): Converts light years to feet with precise scientific notation output. - [Light Years to Furlongs Converter](https://top10k.com/tool/light-year-to-furlong): Converts a distance in light years to furlongs with instant two-way results. - [Light Years to Inches Converter](https://top10k.com/tool/light-year-to-inch): Converts a distance in light-years to inches, displaying the result in scientific notation and full decimal form. - [Light Years to Kilometers Converter](https://top10k.com/tool/light-year-to-kilometer): Converts light years to kilometers with scientific notation and context about astronomical distances. - [Light Years to Meters Converter](https://top10k.com/tool/light-year-to-meter): Converts light years to meters with high-precision scientific notation output. Also shows equivalent distances in kilometers, miles, and astronomical units. - [Light Years to Micrometers Converter](https://top10k.com/tool/light-year-to-micrometer): Converts a distance in light years to micrometers (and reverse) using the exact IAU conversion factor (1 ly = 9.4607304725808 × 10²¹ µm). Displays results in scientific notation. - [Light Years to Miles Converter](https://top10k.com/tool/light-year-to-mile): Convert light years to miles — or miles to light years — instantly in your browser. Supports scientific notation and shows related astronomical units. - [Light Years to Millimeters Converter](https://top10k.com/tool/light-year-to-millimeter): Converts a distance in light years to millimeters using the exact conversion factor (1 ly = 9.4607304725808e18 mm). Supports scientific notation input and output. - [Light Years to Nanometers Converter](https://top10k.com/tool/light-year-to-nanometer): Converts a distance in light-years to nanometers instantly on the client side. No server calls — all math runs in your browser. - [Light Years to Nautical Miles Converter](https://top10k.com/tool/light-year-to-nautical-mile): Converts a distance in light-years to nautical miles instantly in your browser. Supports decimal and scientific notation input. - [Light Years to Yards Converter](https://top10k.com/tool/light-year-to-yard): Converts light years to yards with precise scientific notation output. Also converts yards back to light years. Includes a reference table of famous astronomical distances. - [L/100km to km/L Converter](https://top10k.com/tool/liter-per-100km-to-km-per-liter) - [L/100km to MPG (UK) Converter](https://top10k.com/tool/liter-per-100km-to-mpg-uk): Convert fuel economy from liters per 100 km to UK miles per gallon (imperial gallon = 4.54609 L; formula: MPG(UK) = 282.481 / L100km). - [L/100km to MPG (US) Converter](https://top10k.com/tool/liter-per-100km-to-mpg-us): Converts fuel consumption from liters per 100 kilometers (L/100km) to US miles per gallon (MPG). Formula: MPG (US) = 235.215 ÷ L/100km. - [L/min to CFM Converter](https://top10k.com/tool/liter-per-minute-to-cubic-foot-per-minute): Converts volumetric flow rate from liters per minute (L/min) to cubic feet per minute (CFM). 1 L/min = 0.0353146667 CFM. Used in HVAC, ventilation, air compressors, and industrial blower specificat… - [L/min to m3/h Converter](https://top10k.com/tool/liter-per-minute-to-cubic-meter-per-hour): Converts volumetric flow rate from liters per minute (L/min) to cubic meters per hour (m³/h). Uses exact factor: 1 L/min = 0.06 m³/h. Common in HVAC, industrial pumps, water treatment, and process … - [L/min to GPM Converter](https://top10k.com/tool/liter-per-minute-to-gallon-per-minute): Converts volumetric flow rate from liters per minute (L/min) to US gallons per minute (GPM). 1 L/min = 0.2641720524 US GPM. Used in pumps, HVAC, and plumbing specifications. - [Liters to Barrels Converter](https://top10k.com/tool/liter-to-barrel): Converts a volume in liters to US oil barrels, US liquid barrels, and UK barrels instantly. - [Liter to Cubic Foot Converter](https://top10k.com/tool/liter-to-cubic-foot): Convert liters to cubic feet and cubic feet to liters instantly. Bidirectional volume converter with formula reference. - [Liters to Cubic Inches Converter](https://top10k.com/tool/liter-to-cubic-inch): Convert liters to cubic inches and cubic inches to liters instantly. Bidirectional volume converter with formula reference. - [Liters to Cubic Meters Converter](https://top10k.com/tool/liter-to-cubic-meter): Converts liters to cubic meters instantly. Enter any volume in liters and get the exact cubic meter equivalent, plus related conversions. - [Liters to Cups Converter](https://top10k.com/tool/liter-to-cup): Convert liters to US cups and metric cups instantly. Shows fluid ounces, tablespoons, and teaspoons alongside cup results for easy kitchen reference. - [Liters to Fluid Ounces Converter](https://top10k.com/tool/liter-to-fluid-ounce): Converts a volume in liters to US fluid ounces and UK fluid ounces instantly. Enter any liter value to see the equivalent in both systems. - [Liters to UK Gallons Converter](https://top10k.com/tool/liter-to-gallon-uk): Converts a volume in liters to UK (imperial) gallons using the exact conversion factor (1 UK gallon = 4.54609 liters). - [Liters to US Gallons Converter](https://top10k.com/tool/liter-to-gallon-us): Converts a volume in liters to US liquid gallons instantly. - [Liters to Milliliters Converter](https://top10k.com/tool/liter-to-milliliter): Convert liters to milliliters instantly. 1 liter equals 1000 milliliters. Supports decimals and batch conversion. - [Liters to Pints Converter](https://top10k.com/tool/liter-to-pint): Convert liters to US pints and US pints to liters instantly. Accurate bidirectional volume conversion with a clean, simple interface. - [Liters to Quarts Converter](https://top10k.com/tool/liter-to-quart): Convert liters to US quarts and quarts to liters instantly. Simple bidirectional converter with common volume reference values. - [Liters to Tablespoons Converter](https://top10k.com/tool/liter-to-tablespoon): Convert liters to tablespoons — US customary (tbsp) and metric tablespoons — instantly with a reference table. - [Liters to Teaspoons Converter](https://top10k.com/tool/liter-to-teaspoon): Convert liters to teaspoons — US customary (tsp), metric, and imperial variants — instantly with a reference table. - [Liters to Gallons Converter](https://top10k.com/tool/liters-to-gallons): Converts liters to US gallons (and imperial gallons) with instant results - [Lux to Foot-candles Converter](https://top10k.com/tool/lux-to-foot-candle): Converts illuminance in lux (lx) to foot-candles (fc). 1 foot-candle = 10.7639 lux. Instant result with formula breakdown and common lighting reference points. - [Lux to Nox Converter](https://top10k.com/tool/lux-to-nox): Converts illuminance values from lux (lx) to nox (nx); 1 nox = 0.001 lux (used for very dim light measurements, e.g., starlight conditions). - [Lux to Phot Converter](https://top10k.com/tool/lux-to-phot): Converts illuminance values from lux (lx) to phot (ph). 1 phot = 10,000 lux. The phot is a CGS unit of illuminance used in older photometric work and scientific literature. - [Mach to Feet per Second Converter](https://top10k.com/tool/mach-to-foot-per-second): Converts Mach number to feet per second (ft/s) using the standard speed of sound at sea level (1125.33 ft/s). Includes reverse conversion and a reference table of notable speeds. - [Mach to Kilometers per Hour Converter](https://top10k.com/tool/mach-to-kilometer-per-hour): Converts Mach number to kilometers per hour (km/h) using the standard speed of sound at sea level (1235 km/h). Includes reverse conversion and a reference table of notable speeds. - [Mach to Knots Converter](https://top10k.com/tool/mach-to-knot): Converts Mach number to knots (nautical miles per hour) using the standard speed of sound at sea level (661.5 knots). Includes reverse conversion and a reference table of notable aviation speeds. - [Mach to Meters per Second Converter](https://top10k.com/tool/mach-to-meter-per-second): Convert a Mach number to meters per second (m/s) using an approximate sea-level reference of 343 m/s, with km/h and mph equivalents. - [Mach to Miles per Hour Converter](https://top10k.com/tool/mach-to-mile-per-hour): Converts Mach number to miles per hour (mph) using the standard speed of sound at sea level (761.2 mph), with a reference table for common Mach values. - [Megabytes to Gigabytes Converter](https://top10k.com/tool/mb-to-gb): Convert megabytes to gigabytes instantly using both SI (decimal, 1 GB = 1,000 MB) and binary (IEC, 1 GiB = 1,024 MiB) standards. Includes reverse GB-to-MB conversion and a quick-reference table of … - [Mbps to bps Converter](https://top10k.com/tool/mbps-to-bps): Convert megabits per second (Mbps) to bits per second (bps). 1 Mbps = 1,000,000 bps. Instant result with formula and common speed reference points. - [Mbps to Gbps Converter](https://top10k.com/tool/mbps-to-gbps): Convert megabits per second (Mbps) to gigabits per second (Gbps). 1 Gbps = 1,000 Mbps. Instant result with formula and common speed reference points. - [Mbps to GB/s Converter](https://top10k.com/tool/mbps-to-gbyte-per-second): Convert megabits per second to gigabytes per second instantly. Uses the SI definition: 1 GB/s = 8,000 Mbps (8 thousand megabits). Useful for comparing network speeds against SSD or NAS throughput f… - [Mbps to kbps Converter](https://top10k.com/tool/mbps-to-kbps): Converts megabits per second to kilobits per second (1 Mbps = 1,000 kbps). Instant bidirectional conversion with a common speed reference table. - [Mbps to MB/s Converter](https://top10k.com/tool/mbps-to-mbyte-per-second): Convert megabits per second (Mbps) to megabytes per second (MB/s) instantly. Uses the SI definition: 1 MB/s = 8 Mbps, because 1 byte = 8 bits. Useful for translating ISP-quoted speeds into real fil… - [MB/s to bps Converter](https://top10k.com/tool/mbyte-per-second-to-bps): Converts megabytes per second (MB/s) to bits per second (bps). 1 MB/s = 8,000,000 bps. Instant bidirectional conversion with formula and speed reference table. - [MB/s to Gbps Converter](https://top10k.com/tool/mbyte-per-second-to-gbps) - [MB/s to GB/s Converter](https://top10k.com/tool/mbyte-per-second-to-gbyte-per-second): Converts megabytes per second to gigabytes per second (1 GB/s = 1,000 MB/s). Bidirectional, instant, runs in your browser. - [MB/s to kbps Converter](https://top10k.com/tool/mbyte-per-second-to-kbps): Converts megabytes per second to kilobits per second (1 MB/s = 8,000 kbps). Also converts kbps back to MB/s. - [MB/s to Mbps Converter](https://top10k.com/tool/mbyte-per-second-to-mbps) - [Mebibytes to Bits Converter](https://top10k.com/tool/mebibyte-to-bit): Converts a value in mebibytes (MiB) to bits using the exact binary factor (1 MiB = 8,388,608 bits). Shows the conversion formula and a reference table. - [Mebibytes to Bytes Converter](https://top10k.com/tool/mebibyte-to-byte): Converts a value in mebibytes (MiB) to bytes using the exact binary factor (1 MiB = 1,048,576 bytes). - [Mebibytes to Gibibytes Converter](https://top10k.com/tool/mebibyte-to-gibibyte): Converts mebibytes (MiB) to gibibytes (GiB) using the exact binary factor (1 GiB = 1024 MiB). Shows GiB result, remaining MiB, and a reference table of common storage sizes. - [Mebibytes to Gigabytes Converter](https://top10k.com/tool/mebibyte-to-gigabyte): Converts a value in mebibytes (MiB) to gigabytes (GB) using the exact factor 1 MiB = 0.001048576 GB. Also shows gibibytes (GiB) for the IEC binary equivalent. - [Mebibytes to Kibibytes Converter](https://top10k.com/tool/mebibyte-to-kibibyte): Converts a value in mebibytes (MiB) to kibibytes (KiB) using the exact binary factor (1 MiB = 1024 KiB). - [Mebibytes to Kilobytes Converter](https://top10k.com/tool/mebibyte-to-kilobyte): Converts a value in mebibytes (MiB) to kilobytes (KB) using mixed binary/decimal factors (1 MiB = 1,048,576 bytes = 1,048.576 KB). - [Mebibytes to Megabytes Converter](https://top10k.com/tool/mebibyte-to-megabyte): Converts a value in mebibytes (MiB) to megabytes (MB) using the exact factor (1 MiB = 1.048576 MB). Shows the formula and a quick reference table. - [Mebibytes to Petabytes Converter](https://top10k.com/tool/mebibyte-to-petabyte): Converts a value in mebibytes (MiB) to petabytes (PB) using the exact factor: 1 MiB = 1.048576e-9 PB. Shows the formula and a quick reference table. - [Mebibytes to Terabytes Converter](https://top10k.com/tool/mebibyte-to-terabyte): Converts a value in mebibytes (MiB) to terabytes (TB) using the exact factor (1 MiB = 0.000001048576 TB). - [Megabytes to Bits Converter](https://top10k.com/tool/megabyte-to-bit): Convert megabytes (MB) or mebibytes (MiB) to bits. Handles both decimal SI (1 MB = 8,000,000 bits) and binary IEC (1 MiB = 8,388,608 bits) standards. - [Megabytes to Bytes Converter](https://top10k.com/tool/megabyte-to-byte): Converts a megabyte value to bytes using both the SI decimal standard (1 MB = 1,000,000 bytes) and the IEC binary standard (1 MiB = 1,048,576 bytes), with additional KB and GB outputs. - [Megabytes to Gibibytes Converter](https://top10k.com/tool/megabyte-to-gibibyte): Converts megabytes (MB, decimal) to gibibytes (GiB, binary IEC) — 1 GiB = 1,073,741,824 bytes; 1,000 MB ≈ 0.931 GiB - [Megabytes to Gigabytes Converter](https://top10k.com/tool/megabyte-to-gigabyte): Converts a megabyte value to gigabytes (1 GB = 1,000 MB in decimal; 1 GiB = 1,024 MiB in binary). - [Megabytes to Kibibytes Converter](https://top10k.com/tool/megabyte-to-kibibyte): Converts megabytes (MB, decimal) to kibibytes (KiB, binary) — 1 MB = 976.5625 KiB. Instant result with formula and reference table. - [Megabytes to Kilobytes Converter](https://top10k.com/tool/megabyte-to-kilobyte): Converts megabytes (MB) to kilobytes (KB) using 1 MB = 1,000 KB (SI decimal). Also shows the mebibyte (MiB) to kibibyte (KiB) binary equivalent. - [Megabytes to Mebibytes Converter](https://top10k.com/tool/megabyte-to-mebibyte): Converts megabytes (MB, decimal SI: 1 MB = 1,000,000 bytes) to mebibytes (MiB, binary IEC: 1 MiB = 1,048,576 bytes). Shows full precision and the reverse direction. - [Megabytes to Petabytes Converter](https://top10k.com/tool/megabyte-to-petabyte): Converts a megabyte value to petabytes (1 PB = 1,000,000,000 MB decimal; 1 PiB = 1,073,741,824 MiB binary). Shows both SI and IEC results with a reference table. - [Megabytes to Terabytes Converter](https://top10k.com/tool/megabyte-to-terabyte): Converts decimal megabytes to terabytes (TB) and to binary tebibytes (TiB) by converting the MB input to bytes first. - [Megahertz to Gigahertz Converter](https://top10k.com/tool/megahertz-to-gigahertz): Convert frequency from megahertz (MHz) to gigahertz (GHz). Exact conversion: 1 GHz = 1000 MHz. Useful for CPU specs, radio frequencies, and wireless standards. - [Megahertz to Hertz Converter](https://top10k.com/tool/megahertz-to-hertz): Convert frequency values from megahertz (MHz) to hertz (Hz). 1 MHz equals 1,000,000 Hz. Supports decimal inputs and shows the formula used. - [Megahertz to Kilohertz Converter](https://top10k.com/tool/megahertz-to-kilohertz): Convert frequency from megahertz (MHz) to kilohertz (kHz). 1 MHz equals 1000 kHz. Useful for radio, audio, and electronics work. - [Megahertz to RPM Converter](https://top10k.com/tool/megahertz-to-rpm): Converts a frequency in megahertz (MHz) to revolutions per minute (RPM). Formula: RPM = MHz × 60,000,000. - [Megawatt to BTU per Hour Converter](https://top10k.com/tool/megawatt-to-btu-per-hour): Convert megawatts (MW) to British Thermal Units per hour (BTU/hr) for power plant output, industrial HVAC, and large-scale energy calculations. - [Megawatt to Foot-Pound per Minute Converter](https://top10k.com/tool/megawatt-to-foot-pound-per-minute): Convert power values from megawatts (MW) to foot-pounds per minute (ft·lbf/min) for large-scale mechanical engineering, turbine output specs, and imperial power calculations. - [Megawatt to Horsepower Converter](https://top10k.com/tool/megawatt-to-horsepower): Converts power values from megawatts (MW) to mechanical horsepower (hp). Enter any MW value and get the exact horsepower equivalent instantly. - [Megawatt to Kilowatt Converter](https://top10k.com/tool/megawatt-to-kilowatt): Convert megawatts to kilowatts for power plant output, solar farm capacity, and electrical engineering calculations. - [Megawatt to Watt Converter](https://top10k.com/tool/megawatt-to-watt): Convert megawatts to watts for power engineering and energy calculations. Enter any MW value and get the exact watt equivalent instantly with a reference table. - [Meters per Second to Feet per Second Converter](https://top10k.com/tool/meter-per-second-to-foot-per-second): Converts speed from meters per second (m/s) to feet per second (ft/s). Instant result, reverse conversion, and a reference table of common speeds. - [Meters per Second to Kilometers per Hour Converter](https://top10k.com/tool/meter-per-second-to-kilometer-per-hour): Converts speed from meters per second (m/s) to kilometers per hour (km/h). Instant result, reverse conversion, and a reference table of common speeds. - [Meters per Second to Knots Converter](https://top10k.com/tool/meter-per-second-to-knot): Converts speed from meters per second (m/s) to knots (nautical miles per hour), with reverse conversion and a reference table of common speeds. - [Meters per Second to Mach Converter](https://top10k.com/tool/meter-per-second-to-mach): Converts speed in meters per second to Mach number (ratio to the speed of sound at sea level, 340.29 m/s). Includes reverse conversion and a reference speed table. - [Meters per Second to Miles per Hour Converter](https://top10k.com/tool/meter-per-second-to-mile-per-hour): Converts speed from meters per second (m/s) to miles per hour (mph), with reverse conversion support. - [Meters to Centimeters Converter](https://top10k.com/tool/meter-to-centimeter) - [Meters to Feet Converter](https://top10k.com/tool/meter-to-foot): Converts a length value in meters to feet instantly. Also shows inches, centimeters, and yards for quick cross-reference. - [Meters to Furlongs Converter](https://top10k.com/tool/meter-to-furlong) - [Meters to Inches Converter](https://top10k.com/tool/meter-to-inch): Convert meters to inches instantly. Enter any length in meters and get the exact value in inches, with a handy reference table for common lengths. - [Meters to Kilometers Converter](https://top10k.com/tool/meter-to-kilometer): Convert meters to kilometers instantly with formula display and reverse conversion. Supports decimal and large values, with a quick-reference table of common distances. - [Meters to Light Years Converter](https://top10k.com/tool/meter-to-light-year): Converts a length in meters to light years with scientific notation support. 1 light year = 9.4607304725808 × 10¹⁵ meters. - [Meters to Micrometers Converter](https://top10k.com/tool/meter-to-micrometer) - [Meters to Miles Converter](https://top10k.com/tool/meter-to-mile): Converts a length value in meters to miles. Uses the exact conversion factor: 1 meter = 0.000621371192 miles. - [Meters to Millimeters Converter](https://top10k.com/tool/meter-to-millimeter): Converts meters to millimeters (and back) with instant results and a reference table of common metric length values. - [Meters to Nanometers Converter](https://top10k.com/tool/meter-to-nanometer): Converts a length value in meters to nanometers (1 m = 1,000,000,000 nm). Instant conversion with scientific notation support. - [Meters to Nautical Miles Converter](https://top10k.com/tool/meter-to-nautical-mile): Convert meters to nautical miles instantly. Accurate conversion using the international nautical mile definition (1 NM = 1852 meters). - [Meters to Yards Converter](https://top10k.com/tool/meter-to-yard): Converts a length value in meters to yards. Uses the exact conversion factor: 1 meter = 1.09361 yards. - [Microfarads to Farads Converter](https://top10k.com/tool/microfarad-to-farad): Convert microfarads (µF) of electrical capacitance to farads (F). 1 µF = 0.000001 F (1e-6 F). Also shows millifarads, nanofarads, and picofarads. - [Microfarads to Nanofarads Converter](https://top10k.com/tool/microfarad-to-nanofarad): Convert capacitance values from microfarads (µF) to nanofarads (nF), picofarads (pF), farads (F), and millifarads (mF). Instant results for electronics and circuit design. - [Microfarads to Picofarads Converter](https://top10k.com/tool/microfarad-to-picofarad): Converts microfarads (µF) to picofarads (pF) of electrical capacitance. 1 µF = 1,000,000 pF. Instant results for electronics, RF design, and circuit analysis. - [Micrograms to Carats Converter](https://top10k.com/tool/microgram-to-carat): Convert a mass value in micrograms (µg) to carats (ct). Uses the exact conversion factor: 1 carat = 200,000 micrograms. - [Micrograms to Grains Converter](https://top10k.com/tool/microgram-to-grain): Converts a mass value in micrograms to grains, the unit used in pharmacy, ballistics, and gemology. - [Micrograms to Grams Converter](https://top10k.com/tool/microgram-to-gram): Converts a mass value in micrograms (µg) to grams (g) instantly, with the conversion formula shown. - [Micrograms to Kilograms Converter](https://top10k.com/tool/microgram-to-kilogram): Converts a mass value in micrograms (µg) to kilograms (kg) instantly, with the formula shown. - [Micrograms to Milligrams Converter](https://top10k.com/tool/microgram-to-milligram): Instantly convert micrograms (µg) to milligrams (mg) with a clean, accurate converter. Supports decimal inputs and shows the conversion formula. - [Micrograms to Ounces Converter](https://top10k.com/tool/microgram-to-ounce): Converts a mass value in micrograms (µg) to ounces (oz) instantly, with full formula and step-by-step breakdown. - [Micrograms to Pounds Converter](https://top10k.com/tool/microgram-to-pound): Converts a mass value in micrograms (µg) to pounds (lb) instantly, with formula explanation and common reference examples. - [Micrograms to Stones Converter](https://top10k.com/tool/microgram-to-stone): Converts a mass value in micrograms (µg) to stones (st) instantly. Supports decimal input and shows the full conversion breakdown. - [Micrograms to Tonnes Converter](https://top10k.com/tool/microgram-to-tonne): Converts a value in micrograms (µg) to metric tonnes (t) instantly. - [Microhenries to Henries Converter](https://top10k.com/tool/microhenry-to-henry): Converts electrical inductance in microhenries (µH) to henries (H). 1 H = 1,000,000 µH. Also shows millihenries and nanohenries. - [Microhenries to Millihenries Converter](https://top10k.com/tool/microhenry-to-millihenry): Converts microhenries (µH) to millihenries (mH) of electrical inductance; 1 µH = 0.001 mH. - [Micrometers to Centimeters Converter](https://top10k.com/tool/micrometer-to-centimeter): Converts a length value from micrometers (µm) to centimeters (cm) instantly. - [Micrometers to Feet Converter](https://top10k.com/tool/micrometer-to-foot): Convert a length in micrometers (µm) to feet (ft) instantly in your browser. - [Micrometers to Furlongs Converter](https://top10k.com/tool/micrometer-to-furlong): Convert micrometers to furlongs instantly. 1 furlong equals exactly 201,168,000 micrometers. Bidirectional converter with quick reference table. - [Micrometers to Inches Converter](https://top10k.com/tool/micrometer-to-inch): Convert a length value in micrometers (µm) to inches (in) instantly with a step-by-step calculation. - [Micrometers to Kilometers Converter](https://top10k.com/tool/micrometer-to-kilometer): Converts a length value in micrometers to kilometers instantly. - [Micrometers to Light Years Converter](https://top10k.com/tool/micrometer-to-light-year): Converts a length in micrometers to light years using the exact conversion factor (1 light year = 9.4607304725808e21 micrometers). - [Micrometers to Meters Converter](https://top10k.com/tool/micrometer-to-meter): Converts a value in micrometers (µm) to meters (m) instantly. - [Micrometers to Miles Converter](https://top10k.com/tool/micrometer-to-mile) - [Micrometers to Millimeters Converter](https://top10k.com/tool/micrometer-to-millimeter) - [Micrometers to Nanometers Converter](https://top10k.com/tool/micrometer-to-nanometer): Converts a length value in micrometers (µm) to nanometers (nm); 1 µm = 1000 nm. - [Micrometers to Nautical Miles Converter](https://top10k.com/tool/micrometer-to-nautical-mile) - [Micrometers to Yards Converter](https://top10k.com/tool/micrometer-to-yard) - [Microseconds to Days Converter](https://top10k.com/tool/microsecond-to-day): Convert microseconds to days with a full breakdown of days, hours, minutes, seconds, milliseconds, and remaining microseconds. 1 day = 86,400,000,000 microseconds. - [Microseconds to Decades Converter](https://top10k.com/tool/microsecond-to-decade): Convert microseconds into decades. Uses the standard astronomical year (365.25 days) so 1 decade = 315,576,000,000,000 microseconds. - [Microseconds to Hours Converter](https://top10k.com/tool/microsecond-to-hour): Converts a number of microseconds into hours (divide by 3,600,000,000) with decimal and breakdown result. - [Microseconds to Milliseconds Converter](https://top10k.com/tool/microsecond-to-millisecond): Convert microseconds to milliseconds instantly. 1,000 microseconds equals 1 millisecond. Enter any value in microseconds and get the precise millisecond equivalent. - [Microseconds to Minutes Converter](https://top10k.com/tool/microsecond-to-minute): Convert microseconds to minutes instantly. 60,000,000 microseconds equals 1 minute. Enter any value in microseconds and get the decimal result plus a full time breakdown. - [Microseconds to Months Converter](https://top10k.com/tool/microsecond-to-month): Convert a number of microseconds into months using an average month of 30.4375 days (365.25 days / 12). Shows the decimal result and a full breakdown: months, days, hours, minutes, seconds, millise… - [Microseconds to Seconds Converter](https://top10k.com/tool/microsecond-to-second): Convert microseconds to seconds instantly. 1,000,000 microseconds equals 1 second. Enter any value in microseconds and get the precise decimal result. - [Microseconds to Weeks Converter](https://top10k.com/tool/microsecond-to-week): Convert a number of microseconds into weeks by dividing by 604,800,000,000. Shows the decimal result and a full breakdown: weeks, days, hours, minutes, seconds, milliseconds, and leftover microseco… - [Microseconds to Years Converter](https://top10k.com/tool/microsecond-to-year): Convert microseconds to years instantly using the Julian year (365.25 days). Enter any value in microseconds and get the precise year equivalent. - [Microteslas to Gauss Converter](https://top10k.com/tool/microtesla-to-gauss): Converts microteslas (µT) to gauss (G) of magnetic flux density. 1 µT = 0.01 G. Instant results with formula and common reference values. - [Microteslas to Milliteslas Converter](https://top10k.com/tool/microtesla-to-millitesla): Converts magnetic flux density from microteslas (µT) to milliteslas (mT). 1 µT = 0.001 mT. Used in geophysics, MRI, EMF measurement, and electromagnetic compatibility testing. - [Microtesla to Tesla Converter](https://top10k.com/tool/microtesla-to-tesla) - [Miles per Hour to Feet per Second Converter](https://top10k.com/tool/mile-per-hour-to-foot-per-second): Converts speed values from miles per hour (mph) to feet per second (ft/s) with instant results and a reference table. - [Miles per Hour to Kilometers per Hour Converter](https://top10k.com/tool/mile-per-hour-to-kilometer-per-hour): Converts speed values from miles per hour (mph) to kilometers per hour (km/h) with instant results and a common speed reference table. - [Miles per Hour to Knots Converter](https://top10k.com/tool/mile-per-hour-to-knot): Converts speed from miles per hour (mph) to knots (nautical miles per hour) and back, with a Beaufort wind scale reference table. - [Miles per Hour to Mach Number Converter](https://top10k.com/tool/mile-per-hour-to-mach): Converts speed from miles per hour (mph) to Mach number using the standard sea-level speed of sound (761.2 mph), with a reference table for common Mach values. - [Miles per Hour to Meters per Second Converter](https://top10k.com/tool/mile-per-hour-to-meter-per-second): Converts speed values from miles per hour (mph) to meters per second (m/s) with instant results and a reference table. - [Miles to Centimeters Converter](https://top10k.com/tool/mile-to-centimeter) - [Miles to Feet Converter](https://top10k.com/tool/mile-to-foot): Converts miles to feet (and back), showing the conversion formula and result instantly. - [Miles to Furlongs Converter](https://top10k.com/tool/mile-to-furlong): Converts a distance in miles to furlongs (1 mile = 8 furlongs) with instant client-side calculation. - [Miles to Inches Converter](https://top10k.com/tool/mile-to-inch) - [Miles to Kilometers Converter](https://top10k.com/tool/mile-to-kilometer): Convert miles to kilometers instantly. Includes the conversion formula, a bidirectional input, and a reference table of common distances. - [Miles to Light Years Converter](https://top10k.com/tool/mile-to-light-year): Converts distances between miles and light years, with intermediate steps through km, AU, and parsecs for astronomical context. - [Miles to Meters Converter](https://top10k.com/tool/mile-to-meter): Converts a distance value in miles to meters. Uses the exact conversion factor: 1 mile = 1,609.344 meters. - [Miles to Micrometers Converter](https://top10k.com/tool/mile-to-micrometer): Converts a distance in miles to micrometers instantly. - [Miles to Millimeters Converter](https://top10k.com/tool/mile-to-millimeter): Converts miles to millimeters with instant calculation and common reference values. - [Miles to Nanometers Converter](https://top10k.com/tool/mile-to-nanometer): Converts miles to nanometers (and back) with a clear conversion factor display and a reference table of common distances in both units. - [Miles to Nautical Miles Converter](https://top10k.com/tool/mile-to-nautical-mile): Converts statute miles to nautical miles used in maritime and aviation navigation. - [Miles to Yards Converter](https://top10k.com/tool/mile-to-yard) - [mAh to Ampere Hours Converter](https://top10k.com/tool/milliampere-hour-to-ampere-hour): Converts battery capacity in milliampere-hours (mAh) to ampere-hours (Ah). 1000 mAh = 1 Ah exactly. - [mAh to Coulombs Converter](https://top10k.com/tool/milliampere-hour-to-coulomb): Convert milliampere-hours (mAh) to coulombs of electric charge. 1 mAh = 3.6 C. Used for battery capacity analysis, electronics design, and physics calculations. - [mAh to Faradays Converter](https://top10k.com/tool/milliampere-hour-to-faraday): Converts milliampere-hours (mAh) to Faradays of electric charge using F = mAh × 3.6 / 96485 - [mg/L to g/L Converter](https://top10k.com/tool/milligram-per-liter-to-gram-per-liter): Converts concentration from milligrams per liter (mg/L) to grams per liter (g/L). 1 mg/L = 0.001 g/L exactly. - [mg/L to PPB Converter](https://top10k.com/tool/milligram-per-liter-to-ppb): Converts milligrams per liter (mg/L) to parts per billion (PPB). For dilute aqueous solutions, 1 mg/L equals 1,000 PPB. - [mg/L to PPM Converter](https://top10k.com/tool/milligram-per-liter-to-ppm): Converts concentration from milligrams per liter (mg/L) to parts per million (ppm). For aqueous solutions at standard conditions, 1 mg/L = 1 ppm. - [Milligrams to Carats Converter](https://top10k.com/tool/milligram-to-carat): Convert milligrams (mg) to carats (ct) instantly. 1 carat equals exactly 200 milligrams — used in gemstone and precious metal weighing. - [Milligrams to Grains Converter](https://top10k.com/tool/milligram-to-grain): Convert milligrams to grains instantly. Uses the exact conversion factor: 1 grain = 64.79891 mg. Supports bulk conversion and copy-to-clipboard. - [Milligrams to Grams Converter](https://top10k.com/tool/milligram-to-gram): Convert milligrams to grams instantly using the formula g = mg / 1000. Supports decimal input and bulk conversion. - [Milligrams to Kilograms Converter](https://top10k.com/tool/milligram-to-kilogram): Instantly convert milligrams (mg) to kilograms (kg). Enter any milligram value and get the exact kilogram result using the 1 mg = 0.000001 kg conversion factor. - [Milligrams to Micrograms Converter](https://top10k.com/tool/milligram-to-microgram): Converts a mass value in milligrams (mg) to micrograms (mcg / µg) instantly in your browser. - [Milligrams to Ounces Converter](https://top10k.com/tool/milligram-to-ounce): Instantly convert milligrams to ounces (avoirdupois) and grams on the client side. No server needed. - [Milligrams to Pounds Converter](https://top10k.com/tool/milligram-to-pound): Convert milligrams to pounds and ounces instantly in your browser. No server needed — fast, accurate, and mobile-friendly. - [Milligrams to Stones Converter](https://top10k.com/tool/milligram-to-stone): Convert milligrams to stones with a full breakdown into stones, pounds, and ounces. Instant client-side calculation with no data sent to any server. - [Milligrams to Tonnes Converter](https://top10k.com/tool/milligram-to-tonne): Instantly convert a mass value in milligrams (mg) to metric tonnes (t). See the full conversion formula and step-by-step working. - [Millihenries to Henries Converter](https://top10k.com/tool/millihenry-to-henry): Converts electrical inductance in millihenries (mH) to henries (H). 1 H = 1000 mH. Also shows microhenries and nanohenries. - [Millihenries to Microhenries Converter](https://top10k.com/tool/millihenry-to-microhenry): Convert electrical inductance from millihenries (mH) to microhenries (µH). 1 mH = 1,000 µH. Also shows henries and nanohenries. - [Milliliters to Barrels Converter](https://top10k.com/tool/milliliter-to-barrel): Converts milliliters to US oil barrels, US beer barrels, and UK barrels instantly with a reference table. - [Milliliters to Cubic Feet Converter](https://top10k.com/tool/milliliter-to-cubic-foot): Converts a volume value from milliliters (mL) to cubic feet (ft³) with real-time results and practical reference examples. - [Milliliters to Cubic Inches Converter](https://top10k.com/tool/milliliter-to-cubic-inch): Converts a volume value in milliliters (mL) to cubic inches (in³) with instant result and formula display. - [Milliliters to Cubic Meters Converter](https://top10k.com/tool/milliliter-to-cubic-meter): Converts milliliters (mL) to cubic meters (m³) with instant results and formula display. - [Milliliters to Cups Converter](https://top10k.com/tool/milliliter-to-cup) - [Milliliters to Fluid Ounces Converter](https://top10k.com/tool/milliliter-to-fluid-ounce): Converts milliliters to US fluid ounces and UK (imperial) fluid ounces instantly, with a quick-reference table for common volumes. - [Milliliters to UK Gallons Converter](https://top10k.com/tool/milliliter-to-gallon-uk): Convert milliliters to UK imperial gallons (1 UK gallon = 4546.09 mL); also shows liters and US gallons for reference. - [Milliliters to US Gallons Converter](https://top10k.com/tool/milliliter-to-gallon-us): Converts a volume value in milliliters (mL) to US liquid gallons with instant result and formula display. - [Milliliters to Liters Converter](https://top10k.com/tool/milliliter-to-liter): Converts a volume in milliliters to liters with real-time display and common reference examples. - [Milliliters to Pints Converter](https://top10k.com/tool/milliliter-to-pint): Convert milliliters to pints (US liquid and UK imperial) with instant results and the formula shown. - [Milliliters to Quarts Converter](https://top10k.com/tool/milliliter-to-quart): Convert milliliters to US quarts instantly. Also shows liters, cups, and UK quarts as reference outputs. - [Milliliters to Tablespoons Converter](https://top10k.com/tool/milliliter-to-tablespoon): Convert milliliters to US tablespoons instantly. Also shows teaspoons and cups side by side for easy kitchen and recipe reference. - [Milliliters to Teaspoons Converter](https://top10k.com/tool/milliliter-to-teaspoon): Converts milliliters to teaspoons (US, metric, and imperial) with instant results and a reference table. - [Millimeters to Centimeters Converter](https://top10k.com/tool/millimeter-to-centimeter) - [Millimeters to Feet Converter](https://top10k.com/tool/millimeter-to-foot): Converts millimeter values to feet instantly with a clean numeric input and result display. - [Millimeters to Furlongs Converter](https://top10k.com/tool/millimeter-to-furlong): Convert millimeters to furlongs with instant results and reverse conversion. - [Millimeters to Inches Converter](https://top10k.com/tool/millimeter-to-inch): Converts millimeter values to inches instantly with a clean numeric input and result display. - [Millimeters to Kilometers Converter](https://top10k.com/tool/millimeter-to-kilometer) - [Millimeters to Light Years Converter](https://top10k.com/tool/millimeter-to-light-year): Convert millimeters to light years with scientific notation support for astronomical distances. - [Millimeters to Meters Converter](https://top10k.com/tool/millimeter-to-meter) - [Millimeters to Micrometers Converter](https://top10k.com/tool/millimeter-to-micrometer) - [Millimeter to Mile Converter](https://top10k.com/tool/millimeter-to-mile): Converts millimeters to miles with instant results and reverse conversion. - [Millimeters to Nanometers Converter](https://top10k.com/tool/millimeter-to-nanometer): Converts a length value from millimeters to nanometers instantly. - [Millimeters to Nautical Miles Converter](https://top10k.com/tool/millimeter-to-nautical-mile): Converts millimeters to nautical miles instantly with a clean input form. Includes reverse conversion and a quick-reference table for common values. - [Millimeters to Yards Converter](https://top10k.com/tool/millimeter-to-yard): Converts millimeter values to yards instantly with a clean numeric input and result display. - [Milliseconds to Days Converter](https://top10k.com/tool/millisecond-to-day): Convert a number of milliseconds into days by dividing by 86,400,000. Shows the decimal result and a complete time breakdown (days, hours, minutes, seconds, ms). - [Milliseconds to Decades Converter](https://top10k.com/tool/millisecond-to-decade): Converts a number of milliseconds into decades (315,576,000,000 ms/decade via 365.25-day year) with breakdown into decades, years, days, hours, minutes, seconds, and milliseconds. - [Milliseconds to Hours Converter](https://top10k.com/tool/millisecond-to-hour): Convert milliseconds to hours instantly. Shows the decimal result plus a full breakdown into hours, minutes, seconds, and remaining milliseconds. - [Milliseconds to Microseconds Converter](https://top10k.com/tool/millisecond-to-microsecond): Convert milliseconds to microseconds instantly. 1 millisecond equals 1,000 microseconds. Enter any value in milliseconds and get the precise microsecond equivalent. - [Milliseconds to Minutes Converter](https://top10k.com/tool/millisecond-to-minute): Convert milliseconds to minutes instantly. Divide any millisecond value by 60,000 to get the minute equivalent, with decimal result and a full breakdown showing minutes and remaining seconds. - [Milliseconds to Months Converter](https://top10k.com/tool/millisecond-to-month): Convert a number of milliseconds into months using the average month of 2,629,800,000 ms (30.4375 days). Shows the decimal month count and a full breakdown into months, weeks, days, hours, minutes,… - [Milliseconds to Seconds Converter](https://top10k.com/tool/millisecond-to-second): Convert milliseconds to seconds instantly. 1,000 milliseconds equals 1 second. Enter any value in milliseconds and get the precise second equivalent. - [Milliseconds to Weeks Converter](https://top10k.com/tool/millisecond-to-week): Convert a number of milliseconds into weeks by dividing by 604,800,000. Shows the decimal result and a complete time breakdown (weeks, days, hours, minutes, seconds, ms). - [Milliseconds to Years Converter](https://top10k.com/tool/millisecond-to-year): Convert a number of milliseconds into years using the Julian year constant (365.25 days = 31,557,600,000 ms). Shows the decimal year result and a full breakdown down to seconds. - [Milliteslas to Gauss Converter](https://top10k.com/tool/millitesla-to-gauss): Convert milliteslas to gauss for magnetic flux density measurements. 1 mT equals exactly 10 G. - [Milliteslas to Microteslas Converter](https://top10k.com/tool/millitesla-to-microtesla): Converts milliteslas (mT) to microteslas (µT) of magnetic flux density. 1 mT = 1,000 µT exactly. - [Milliteslas to Teslas Converter](https://top10k.com/tool/millitesla-to-tesla): Converts milliteslas (mT) to teslas (T) of magnetic flux density. 1 mT = 0.001 T. Used in MRI, physics, and electromagnetic engineering. - [Minutes to Days Converter](https://top10k.com/tool/minute-to-day): Converts a number of minutes into the equivalent number of days (1 day = 1,440 minutes). - [Minutes to Decades Converter](https://top10k.com/tool/minute-to-decade): Converts a number of minutes into the equivalent number of decades (1 decade = 10 × 365.25 days = 5,259,600 minutes). Shows decimal result plus a full breakdown into decades, years, months, weeks, … - [Minutes to Hours Converter](https://top10k.com/tool/minute-to-hour): Converts a number of minutes into the equivalent number of hours (1 hour = 60 minutes). Supports decimals and shows a full h:mm breakdown. - [Minutes to Microseconds Converter](https://top10k.com/tool/minute-to-microsecond): Converts a number of minutes into the equivalent number of microseconds. 1 minute = 60,000,000 microseconds. Instant result, reverse conversion, and a reference table of common durations. - [Minutes to Milliseconds Converter](https://top10k.com/tool/minute-to-millisecond): Converts a number of minutes into the equivalent number of milliseconds. One minute equals exactly 60,000 milliseconds. - [Minutes to Months Converter](https://top10k.com/tool/minute-to-month): Convert a number of minutes into the equivalent number of months using the average month of 30.4375 days (43,830 minutes). Shows the decimal month count and a full breakdown into months, weeks, day… - [Minutes to Seconds Converter](https://top10k.com/tool/minute-to-second): Converts a number of minutes into the equivalent number of seconds. 1 minute = 60 seconds. - [Minutes to Weeks Converter](https://top10k.com/tool/minute-to-week): Convert any number of minutes into weeks, days, hours, and seconds instantly. Supports decimal minutes and shows a full time breakdown. - [Minutes to Years Converter](https://top10k.com/tool/minute-to-year): Converts a number of minutes into the equivalent number of years using the Julian year definition (365.25 days = 525,960 minutes). - [Milliliters to Cups Converter](https://top10k.com/tool/ml-to-cups): Converts milliliters to US cups with real-time results and a handy quick-reference table for common cooking amounts. - [mmHg to Atmospheres Converter](https://top10k.com/tool/mmhg-to-atmosphere): Converts millimeters of mercury (mmHg) pressure to standard atmospheres (atm), with instant bidirectional conversion and reference table. - [mmHg to Bars Converter](https://top10k.com/tool/mmhg-to-bar): Converts millimeters of mercury (mmHg) pressure to bars, with instant bidirectional conversion and reference table. - [mmHg to inHg Converter](https://top10k.com/tool/mmhg-to-inhg): Converts millimeters of mercury (mmHg) to inches of mercury (inHg), used in weather forecasting and barometric pressure reporting. - [mmHg to Kilopascals Converter](https://top10k.com/tool/mmhg-to-kilopascal): Converts millimeters of mercury (mmHg) pressure values to kilopascals (kPa) and other common pressure units including bar, psi, and atm. - [mmHg to Pascals Converter](https://top10k.com/tool/mmhg-to-pascal): Converts millimeters of mercury (mmHg) pressure values to pascals (Pa) and other common pressure units. - [mmHg to PSI Converter](https://top10k.com/tool/mmhg-to-psi): Convert millimeters of mercury (mmHg) to pounds per square inch (PSI) instantly, with reverse PSI-to-mmHg conversion and a quick reference table. - [mmHg to Torr Converter](https://top10k.com/tool/mmhg-to-torr): Converts conventional millimeters of mercury (mmHg) to Torr pressure units. Includes the precise conversion factor and a reference comparison. - [Months to Days Converter](https://top10k.com/tool/month-to-day): Converts a number of months to the equivalent number of days using the average month length of 30.4375 days (365.25 days / 12). Supports decimals and shows a full days breakdown. - [Months to Decades Converter](https://top10k.com/tool/month-to-decade): Converts a number of months to the equivalent number of decades. Divides the month count by 120 (12 months/year × 10 years/decade). - [Months to Hours Converter](https://top10k.com/tool/month-to-hour): Converts months into hours using the Gregorian average of 730.5 hours per month (30.4375 days). Also converts hours back to months. Supports decimals. - [Months to Microseconds Converter](https://top10k.com/tool/month-to-microsecond): Converts months to microseconds using the average month length of 2,629,800,000,000 microseconds (based on 365.25 days/year ÷ 12). Enter any number of months to get the exact microsecond count. - [Months to Milliseconds Converter](https://top10k.com/tool/month-to-millisecond): Converts months to milliseconds using the average month length (1 month = 2,629,800,000 ms, based on 365.25 days/year ÷ 12). Supports decimals. - [Months to Minutes Converter](https://top10k.com/tool/month-to-minute): Convert a number of months into the equivalent number of minutes using the average month of 30.4375 days (43,830 minutes). Shows the total minute count and a full breakdown into months, weeks, days… - [Months to Seconds Converter](https://top10k.com/tool/month-to-second): Converts months to seconds using the average month length of 2,629,800 seconds (based on 365.25 days/year ÷ 12). Enter any number of months to get the exact second count. - [Months to Weeks Converter](https://top10k.com/tool/month-to-week): Converts a number of months into weeks. Uses the precise astronomical factor of 365.25 ÷ 12 ÷ 7 ≈ 4.348214 weeks per month. - [Months to Years Converter](https://top10k.com/tool/month-to-year): Converts a number of months to the equivalent number of years. Divides by 12 — the exact number of months in one calendar year. - [MPG (UK) to km/L Converter](https://top10k.com/tool/mpg-uk-to-km-per-liter): Converts UK miles per gallon to kilometers per liter. 1 MPG (UK) = 0.354006 km/L, based on the Imperial gallon (4.54609 L) and 1 mile = 1.609344 km. - [MPG (UK) to L/100km Converter](https://top10k.com/tool/mpg-uk-to-liter-per-100km): Converts UK miles per gallon to liters per 100 kilometers (L/100km = 282.481 / MPG_UK; inverse relationship) - [MPG (UK) to MPG (US) Converter](https://top10k.com/tool/mpg-uk-to-mpg-us): Convert UK miles per gallon to US miles per gallon. UK gallon = 4.54609 L, US gallon = 3.785411784 L, so 1 MPG (UK) = 0.832674 MPG (US). Includes reverse conversion and reference table. - [MPG (US) to km/L Converter](https://top10k.com/tool/mpg-us-to-km-per-liter): Convert US miles per gallon (MPG) to kilometers per liter (km/L). Enter any fuel economy value and get the exact metric equivalent instantly. - [MPG (US) to L/100km Converter](https://top10k.com/tool/mpg-us-to-liter-per-100km): Converts US miles per gallon to liters per 100 kilometers (L/100km = 235.215 / MPG_US); note this is an inverse relationship - [MPG (US) to MPG (UK) Converter](https://top10k.com/tool/mpg-us-to-mpg-uk): Convert US miles per gallon to UK miles per gallon. US gallon = 3.785411784 L, UK gallon = 4.54609 L, so 1 MPG (US) = 1.20095 MPG (UK). Includes reverse conversion and reference table. - [MPH to KM/H Converter](https://top10k.com/tool/mph-to-kmh): Converts miles per hour to kilometers per hour with a reference table for common speeds. - [Nanofarad to Farad Converter](https://top10k.com/tool/nanofarad-to-farad) - [Nanofarads to Microfarads Converter](https://top10k.com/tool/nanofarad-to-microfarad): Converts electrical capacitance in nanofarads (nF) to microfarads (µF). 1 µF = 1000 nF. - [Nanofarads to Picofarads Converter](https://top10k.com/tool/nanofarad-to-picofarad): Converts nanofarads (nF) to picofarads (pF) of electrical capacitance; 1 nF = 1,000 pF. - [Nanometers to Centimeters Converter](https://top10k.com/tool/nanometer-to-centimeter): Convert nanometer values to centimeters instantly. Enter any nanometer value and get the precise centimeter equivalent with a clean, copy-ready output. - [Nanometers to Feet Converter](https://top10k.com/tool/nanometer-to-foot): Convert a length value from nanometers (nm) to feet (ft) instantly. Shows step-by-step calculation and common reference values. - [Nanometers to Furlongs Converter](https://top10k.com/tool/nanometer-to-furlong): Converts nanometer values to furlongs with the correct conversion factor (1 furlong = 201,168,000,000 nm). - [Nanometers to Inches Converter](https://top10k.com/tool/nanometer-to-inch): Convert length values from nanometers (nm) to inches instantly. Useful for nanotechnology, semiconductor manufacturing, optics, and precision engineering. - [Nanometers to Kilometers Converter](https://top10k.com/tool/nanometer-to-kilometer): Converts nanometer values to kilometers instantly with formula explanation. - [Nanometers to Light Years Converter](https://top10k.com/tool/nanometer-to-light-year): Convert nanometer values to light years instantly. Enter any nanometer value and get the equivalent distance in light years with full precision. - [Nanometers to Meters Converter](https://top10k.com/tool/nanometer-to-meter): Converts a length in nanometers to meters (1 nm = 1e-9 m); also shows km, cm, mm, and micrometer equivalents. - [Nanometers to Micrometers Converter](https://top10k.com/tool/nanometer-to-micrometer): Converts a nanometer value to micrometers instantly. 1 nm = 0.001 µm. Supports bulk conversion of multiple values. - [Nanometers to Miles Converter](https://top10k.com/tool/nanometer-to-mile): Convert nanometer values to miles instantly. Shows the full formula, scientific notation, and intermediate units for context. - [Nanometers to Millimeters Converter](https://top10k.com/tool/nanometer-to-millimeter): Convert nanometer values to millimeters instantly. 1 nm = 0.000001 mm. Includes a quick-reference table for common values. - [Nanometers to Nautical Miles Converter](https://top10k.com/tool/nanometer-to-nautical-mile): Convert nanometer values to nautical miles instantly. 1 nautical mile = 1.852 × 10¹² nm. Shows decimal and scientific notation. - [Nanometers to Yards Converter](https://top10k.com/tool/nanometer-to-yard) - [Nautical Miles to Centimeters Converter](https://top10k.com/tool/nautical-mile-to-centimeter): Converts nautical miles to centimeters instantly, with multi-unit output display. - [Nautical Miles to Feet Converter](https://top10k.com/tool/nautical-mile-to-foot): Convert nautical miles to feet and feet to nautical miles instantly. Accurate conversion using the standard 1 nautical mile = 6,076.115 feet definition. - [Nautical Miles to Furlongs Converter](https://top10k.com/tool/nautical-mile-to-furlong): Convert nautical miles to furlongs and furlongs to nautical miles instantly. Accurate conversion for maritime navigation, horse racing, and distance comparisons. - [Nautical Miles to Inches Converter](https://top10k.com/tool/nautical-mile-to-inch): Converts nautical miles to inches and inches to nautical miles instantly in your browser. No server required. - [Nautical Miles to Kilometers Converter](https://top10k.com/tool/nautical-mile-to-kilometer): Converts nautical miles to kilometers instantly with a clean input/output interface. Also shows meters, feet, and statute miles for quick cross-reference. - [Nautical Miles to Light Years Converter](https://top10k.com/tool/nautical-mile-to-light-year): Converts nautical miles to light years with precise scientific notation output. - [Nautical Miles to Meters Converter](https://top10k.com/tool/nautical-mile-to-meter): Converts a distance in nautical miles to meters instantly. Also shows kilometers, feet, and statute miles for quick cross-reference. - [Nautical Miles to Micrometers Converter](https://top10k.com/tool/nautical-mile-to-micrometer): Converts nautical miles to micrometers with precise results. Enter any nautical mile value and instantly get the equivalent in micrometers (µm). - [Nautical Miles to Miles Converter](https://top10k.com/tool/nautical-mile-to-mile): Convert nautical miles to statute miles and back. Includes a quick-reference table for common distances used in aviation and maritime navigation. - [Nautical Miles to Millimeters Converter](https://top10k.com/tool/nautical-mile-to-millimeter): Convert nautical miles to millimeters instantly. One nautical mile equals exactly 1,852,000 millimeters. - [Nautical Miles to Nanometers Converter](https://top10k.com/tool/nautical-mile-to-nanometer): Converts nautical miles to nanometers with high precision. Instantly calculate the nanometer equivalent of any nautical mile value. - [Nautical Miles to Yards Converter](https://top10k.com/tool/nautical-mile-to-yard): Converts nautical miles to yards with instant results and a reference table. - [Newton Meters to Foot Pounds Converter](https://top10k.com/tool/newton-meter-to-foot-pound-torque): Convert torque from newton-meters (N·m) to foot-pounds (ft·lb). 1 N·m = 0.7375621493 ft·lb. Commonly used in automotive torque specs, mechanical engineering, and tool calibration. - [Newton Meters to Inch Pounds Converter](https://top10k.com/tool/newton-meter-to-inch-pound-torque): Converts torque from newton-meters (N·m) to inch-pounds (in·lb); 1 N·m = 8.8507457676 in·lb. Useful for small fasteners, electronics, and precision mechanical work. - [Newton Meters to kgf-m Converter](https://top10k.com/tool/newton-meter-to-kilogram-force-meter): Converts torque from newton-meters (N·m) to kilogram-force meters (kgf·m). 1 N·m = 0.10197162129779283 kgf·m. Used in mechanical engineering, automotive specs, and industrial torque applications. - [Newtons to Dynes Converter](https://top10k.com/tool/newton-to-dyne): Convert force values from newtons (N) to dynes (dyn), the CGS unit of force. 1 newton equals exactly 100,000 dynes. - [Newtons to Kilogram-force Converter](https://top10k.com/tool/newton-to-kilogram-force): Converts force values from newtons (N) to kilogram-force (kgf), used in mechanical and gravitational contexts. - [Newtons to Kilonewtons Converter](https://top10k.com/tool/newton-to-kilonewton): Converts force values from newtons (N) to kilonewtons (kN). 1 kN = 1000 N. Also shows pound-force and kilogram-force equivalents. - [Newtons to Pound-force Converter](https://top10k.com/tool/newton-to-pound-force): Convert force from newtons (N) to pound-force (lbf). Uses the exact conversion: 1 lbf = 4.44822162 N. - [Nits to cd/m² Converter](https://top10k.com/tool/nit-to-candela-per-square-meter): Converts luminance from nits (nt) to candela per square meter (cd/m²). Since 1 nit is defined as 1 cd/m², the values are identical — this tool confirms the equivalence and provides a brightness ref… - [Nits to Foot-lamberts Converter](https://top10k.com/tool/nit-to-foot-lambert): Converts luminance from nits (cd/m²) to foot-lamberts (fL). 1 nit = 0.291863 fL. Useful for display engineers, projectionists, and lighting designers comparing metric and imperial luminance measure… - [Nits to Stilb Converter](https://top10k.com/tool/nit-to-stilb): Converts luminance from nits (nt, same as cd/m²) to stilb (sb). 1 nit = 0.0001 sb. Shows equivalent cd/m² and foot-lambert values. - [Nox to Foot-candles Converter](https://top10k.com/tool/nox-to-foot-candle): Converts illuminance from nox (0.001 lux each) to foot-candles; used for very low light measurement scenarios. - [Nox to Lux Converter](https://top10k.com/tool/nox-to-lux): Converts illuminance values from nox (nx) to lux (lx); 1 nox = 0.001 lux (used for very dim light measurements, e.g., starlight conditions). - [Nox to Phot Converter](https://top10k.com/tool/nox-to-phot): Converts illuminance from nox (0.001 lux each) to phots (CGS unit, 1 phot = 10,000 lux). 1 phot = 10,000,000 nox. Useful for comparing very dim light measurements with the CGS photometry system. - [Ounces to Cups Converter](https://top10k.com/tool/ounce-cooking-to-cup-cooking): Converts fluid ounces to cups for cooking and baking recipes (1 cup = 8 fl oz), with ingredient density notes for dry ounces - [Ounces to Grams Converter (Cooking)](https://top10k.com/tool/ounce-cooking-to-gram-cooking): Convert ounces to grams for cooking and baking recipes. Includes a recipe scaler, common ingredient reference table, and precise gram output for digital kitchen scales. - [Ounces to Pounds Converter (Cooking)](https://top10k.com/tool/ounce-cooking-to-pound-cooking): Converts ounces to pounds for cooking and baking recipes (1 lb = 16 oz). Includes fractional pound display, a recipe scaler, and a common ingredient reference table. - [Ounces to Tablespoons Converter](https://top10k.com/tool/ounce-cooking-to-tablespoon-cooking): Converts fluid ounces to tablespoons for cooking and baking recipes. Uses the exact US standard: 1 fluid ounce = 2 tablespoons. Also converts tablespoons back to ounces. - [Ounces to Teaspoons Converter](https://top10k.com/tool/ounce-cooking-to-teaspoon-cooking): Converts fluid ounces to teaspoons for cooking and baking recipes (1 fl oz = 6 teaspoons). Also converts back from teaspoons to fluid ounces. - [Ounces to Carats Converter](https://top10k.com/tool/ounce-to-carat): Convert weight in ounces to carats instantly. Supports avoirdupois and troy ounces — used for precious stones, gemstones, and fine metals. - [Ounces to Grains Converter](https://top10k.com/tool/ounce-to-grain): Converts weight in ounces (oz) to grains (gr) with reverse conversion. Used in ballistics, pharmaceuticals, precious metals, and archery. - [Ounces to Grams Converter](https://top10k.com/tool/ounce-to-gram): Convert ounces (oz) to grams (g) instantly. Supports decimal ounces, troy ounces, and precision conversion for cooking, baking, and precious metals. - [Ounces to Kilograms Converter](https://top10k.com/tool/ounce-to-kilogram): Converts a mass value in ounces (oz) to kilograms (kg). Uses the exact factor 1 oz = 0.0283495231 kg (avoirdupois ounce, the standard for everyday and commercial use). - [Ounces to Micrograms Converter](https://top10k.com/tool/ounce-to-microgram): Convert a weight value in ounces (oz) to micrograms (mcg/µg) instantly. Supports decimal input and shows the full calculation step. - [Ounces to Milligrams Converter](https://top10k.com/tool/ounce-to-milligram): Convert weight values from ounces (oz) to milligrams (mg) instantly. Supports decimal inputs. - [Ounces to Pounds Converter](https://top10k.com/tool/ounce-to-pound): Converts a mass value in ounces (oz) to pounds (lb) instantly. Supports decimal and fractional ounce inputs. - [Ounces to Stones Converter](https://top10k.com/tool/ounce-to-stone): Convert ounces to stones instantly. See the full breakdown in stones, pounds, and ounces remainder. - [Ounces to Tonnes Converter](https://top10k.com/tool/ounce-to-tonne): Converts a mass value in ounces to metric tonnes instantly. Supports decimal inputs and shows the full conversion formula. - [Pascal Seconds to Centipoise Converter](https://top10k.com/tool/pascal-second-to-centipoise): Converts dynamic viscosity from pascal-seconds (Pa·s) to centipoise (cP). 1 Pa·s = 1,000 cP. Water at 20°C is approximately 1 cP (0.001 Pa·s). - [Pascal Seconds to Poise Converter](https://top10k.com/tool/pascal-second-to-poise): Converts pascal-seconds (Pa·s) to poise (P) of dynamic viscosity; 1 Pa·s = 10 P. - [Pascals to Atmospheres Converter](https://top10k.com/tool/pascal-to-atmosphere): Converts pressure in pascals (Pa) to standard atmospheres (atm), used in chemistry, physics, and diving calculations. - [Pascals to Bars Converter](https://top10k.com/tool/pascal-to-bar): Convert pressure in pascals (Pa) to bars. 1 bar = 100,000 Pa. Supports Pa, kPa, MPa, and GPa inputs with reverse bar-to-pascal conversion. - [Pascals to inHg Converter](https://top10k.com/tool/pascal-to-inhg): Converts pressure values from pascals (Pa) to inches of mercury (inHg) and back. Useful for weather, aviation, and HVAC applications. - [Pascals to Kilopascals Converter](https://top10k.com/tool/pascal-to-kilopascal): Converts pressure in pascals (Pa) to kilopascals (kPa), commonly used in engineering, meteorology, and fluid mechanics. - [Pascals to mmHg Converter](https://top10k.com/tool/pascal-to-mmhg): Converts pressure values from pascals (Pa) to millimeters of mercury (mmHg), used in blood pressure, vacuum, and laboratory contexts. - [Pascals to PSI Converter](https://top10k.com/tool/pascal-to-psi): Converts pressure in pascals (Pa) to pounds per square inch (psi). Also converts kPa and MPa. 1 psi = 6,894.757 Pa. - [Pascals to Torr Converter](https://top10k.com/tool/pascal-to-torr): Convert pressure values from pascals (Pa) to torr, with instant bidirectional conversion and common reference pressures. - [Petabytes to Bits Converter](https://top10k.com/tool/petabyte-to-bit): Converts a value in petabytes to bits (1 PB = 8,000,000,000,000,000 bits, using SI decimal prefixes) - [Petabytes to Bytes Converter](https://top10k.com/tool/petabyte-to-byte): Converts a value in petabytes to bytes (1 PB = 1,000,000,000,000,000 bytes using SI decimal prefixes). Also shows pebibyte (PiB) to byte conversion using the IEC binary standard. - [Petabytes to Gibibytes Converter](https://top10k.com/tool/petabyte-to-gibibyte): Converts SI petabytes (PB, 10^15 bytes) to IEC gibibytes (GiB, 2^30 bytes), with reference values for related storage units. - [Petabytes to Gigabytes Converter](https://top10k.com/tool/petabyte-to-gigabyte): Converts a value in petabytes to gigabytes (1 PB = 1,000,000 GB using SI decimal prefixes). Also shows the binary pebibyte-to-gibibyte equivalent and a quick-reference table for common petabyte val… - [Petabytes to Kibibytes Converter](https://top10k.com/tool/petabyte-to-kibibyte): Converts petabytes to kibibytes (1 PB = 976,562,500,000 KiB). Shows binary IEC and SI decimal results with step-by-step math. - [Petabytes to Kilobytes Converter](https://top10k.com/tool/petabyte-to-kilobyte): Converts a value in petabytes to kilobytes (1 PB = 1,000,000,000,000 KB using SI decimal prefixes). Also shows the binary pebibyte-to-kibibyte (PiB to KiB) equivalent. - [Petabytes to Mebibytes Converter](https://top10k.com/tool/petabyte-to-mebibyte): Converts SI petabytes to binary mebibytes. One PB equals approximately 953,674,316.40625 MiB. - [Petabytes to Megabytes Converter](https://top10k.com/tool/petabyte-to-megabyte): Converts a value in petabytes to megabytes (1 PB = 1,000,000,000 MB using SI decimal prefixes, or 1 PiB = 1,073,741,824 MiB using IEC binary prefixes). - [Petabytes to Terabytes Converter](https://top10k.com/tool/petabyte-to-terabyte): Converts petabytes to terabytes (1 PB = 1,000 TB using SI decimal prefixes). - [Phot to Foot-candles Converter](https://top10k.com/tool/phot-to-foot-candle): Converts illuminance from phots (CGS unit) to foot-candles; 1 phot = 929.03 foot-candles. Instant result with step-by-step formula and a reference table for common lighting levels. - [Phot to Lux Converter](https://top10k.com/tool/phot-to-lux): Converts illuminance values from phot (ph) to lux (lx). 1 phot = 10,000 lux. The phot is a CGS unit of illuminance used in older photometric work and scientific literature. - [Phot to Nox Converter](https://top10k.com/tool/phot-to-nox): Converts illuminance values from phot (ph) to nox (nx). 1 phot = 10,000,000 nox. The phot is a CGS unit (1 ph = 10,000 lux) and the nox is a low-light unit (1 nx = 0.001 lux). - [Picas to em Converter](https://top10k.com/tool/pica-to-em): Converts typographic picas to em units given a base font size. Formula: em = pica × 12 × (96/72) / baseFontSizePx. Supports custom base font sizes. - [Picas to Pixels Converter](https://top10k.com/tool/pica-to-pixel): Converts typographic picas to pixels at a configurable DPI. Uses the standard formula: px = pica × 12 × DPI / 72 (1 pica = 12 points; 1 point = 1/72 inch). - [Picas to Points Converter](https://top10k.com/tool/pica-to-point): Convert typographic picas to points. 1 pica = 12 points. Enter any pica value to get the exact point equivalent, or enter points to convert back to picas. - [Picas to rem Converter](https://top10k.com/tool/pica-to-rem): Converts typographic picas to CSS rem units given a root font size. Formula: rem = pica × 12 × (96 ÷ 72) ÷ rootFontSizePx (default 16px). - [Picofarads to Farads Converter](https://top10k.com/tool/picofarad-to-farad): Convert picofarads (pF) to farads (F). 1 pF = 1e-12 F. Used in RF circuit design, antenna tuning, and capacitor selection. - [Picofarads to Microfarads Converter](https://top10k.com/tool/picofarad-to-microfarad): Converts electrical capacitance in picofarads (pF) to microfarads (µF). 1 pF = 0.000001 µF. Also shows nanofarads and farads. - [Picofarads to Nanofarads Converter](https://top10k.com/tool/picofarad-to-nanofarad): Converts picofarads (pF) to nanofarads (nF) of electrical capacitance; 1 pF = 0.001 nF. - [Pints to Barrels Converter](https://top10k.com/tool/pint-to-barrel): Convert US pints to barrels instantly. Calculates US oil barrels (336 pints) and provides reference conversions for US beer barrels (248 pints). - [Pints to Cubic Feet Converter](https://top10k.com/tool/pint-to-cubic-foot): Convert pints to cubic feet instantly. Supports US liquid pints and UK imperial pints with real-time results and a reverse mode. - [Pints to Cubic Inches Converter](https://top10k.com/tool/pint-to-cubic-inch): Convert pints to cubic inches instantly. Supports both US liquid pints and UK imperial pints with a side-by-side comparison. - [Pints to Cubic Meters Converter](https://top10k.com/tool/pint-to-cubic-meter): Converts a volume in pints (US liquid or imperial) to cubic meters. Supports batch conversion and reverse lookup. - [Pints to Cups Converter](https://top10k.com/tool/pint-to-cup): Convert pints to cups and cups to pints instantly. Uses the US liquid pint (16 fl oz) and US cup (8 fl oz) — 1 pint equals exactly 2 cups. - [Pints to Fluid Ounces Converter](https://top10k.com/tool/pint-to-fluid-ounce): Convert US liquid pints to fluid ounces instantly. Enter any pint value and get the exact fluid ounce result with a clear formula breakdown. - [Pints to UK Gallons Converter](https://top10k.com/tool/pint-to-gallon-uk): Convert pints to UK (imperial) gallons. 1 UK gallon equals exactly 8 imperial pints. Supports decimal and fractional input with instant results. - [Pints to US Gallons Converter](https://top10k.com/tool/pint-to-gallon-us): Converts pints to US gallons (1 US gallon = 8 US pints) with instant results and a reference table. - [Pints to Liters Converter](https://top10k.com/tool/pint-to-liter): Convert pints to liters instantly. Supports both US liquid pints and UK imperial pints with real-time results. - [Pints to Milliliters Converter](https://top10k.com/tool/pint-to-milliliter): Convert pints (US liquid and UK imperial) to milliliters instantly. - [Pints to Quarts Converter](https://top10k.com/tool/pint-to-quart): Convert pints to quarts (and back) with support for US liquid and UK imperial variants. Instant results with a side-by-side comparison. - [Pints to Tablespoons Converter](https://top10k.com/tool/pint-to-tablespoon): Convert US liquid pints to tablespoons and tablespoons to pints instantly. 1 US pint equals exactly 32 US tablespoons. - [Pints to Teaspoons Converter](https://top10k.com/tool/pint-to-teaspoon): Convert pints to teaspoons instantly. 1 US liquid pint equals 96 US teaspoons. Useful for scaling recipes and measuring liquid volumes. - [Pixels to em Converter](https://top10k.com/tool/pixel-to-em): Convert pixel values to CSS em units given a base font size. The formula is em = px / base font size. Default base is 16px (browser default). Useful for responsive CSS typography and spacing. - [Pixels to Picas Converter](https://top10k.com/tool/pixel-to-pica): Convert pixels to typographic picas at any DPI. Uses the standard formula: picas = px × 72 / (DPI × 12). Supports custom DPI for print and screen workflows. - [Pixels to Points Converter](https://top10k.com/tool/pixel-to-point): Convert pixels (px) to typographic points (pt) at any DPI. At the standard 96 DPI screen resolution, 1 px equals 0.75 pt. Supports custom DPI for print and high-density displays. - [Pixel to REM Converter](https://top10k.com/tool/pixel-to-rem): Convert pixel values to REM units and back, based on a configurable root font size (default 16px). Essential for CSS and responsive web development. - [Points to em Converter](https://top10k.com/tool/point-to-em): Converts typographic points (pt) to em units given a base font size. Formula: em = points × (96/72) / baseFontSizePx. Supports custom base font sizes. - [Points to Picas Converter](https://top10k.com/tool/point-to-pica): Convert typographic points to picas. 1 pica = 12 points. Enter any point value to get the exact pica equivalent, or enter picas to convert back to points. - [Points to Pixels Converter](https://top10k.com/tool/point-to-pixel): Convert typographic points (pt) to pixels (px) at any DPI. At the standard 96 DPI screen resolution, 1 pt equals 1.333 px. Supports custom DPI for print and high-density displays. - [Points to rem Converter](https://top10k.com/tool/point-to-rem): Convert typographic points (pt) to CSS rem units given a configurable root font size. Formula: rem = pt × (96 ÷ 72) ÷ rootFontSizePx. - [Poise to Centipoise Converter](https://top10k.com/tool/poise-to-centipoise): Convert dynamic viscosity from poise (P) to centipoise (cP). 1 poise equals exactly 100 centipoise. - [Poise to Pascal-Second Converter](https://top10k.com/tool/poise-to-pascal-second): Converts poise (P) to pascal-seconds (Pa·s) of dynamic viscosity; 1 P = 0.1 Pa·s exactly. - [Pounds to Cups Converter](https://top10k.com/tool/pound-cooking-to-cup-cooking): Converts pounds to cups for cooking with ingredient-specific density factors (flour, sugar, butter, water, milk, honey, rice, oats, etc.) - [Pounds to Grams Converter (Cooking)](https://top10k.com/tool/pound-cooking-to-gram-cooking): Convert pounds to grams for cooking and baking recipes. Includes ounce input, common ingredient presets, and a reference table for recipe scaling. - [Pounds to Ounces Converter](https://top10k.com/tool/pound-cooking-to-ounce-cooking): Convert pounds to ounces for cooking and baking recipes. Handles whole pounds, fractions, and mixed values. 1 lb = 16 oz. - [Pounds to Tablespoons Converter](https://top10k.com/tool/pound-cooking-to-tablespoon-cooking): Converts pounds to tablespoons for cooking with ingredient-specific density factors for water, flour, sugar, butter, honey, salt, oil, and more. - [Pounds to Teaspoons Converter](https://top10k.com/tool/pound-cooking-to-teaspoon-cooking): Convert pounds to teaspoons for cooking with ingredient-specific density factors for water, flour, sugar, butter, honey, salt, oil, and more. - [Pound-force to Dynes Converter](https://top10k.com/tool/pound-force-to-dyne): Convert force values from pound-force (lbf) to dynes (dyn). 1 lbf = 444,822.162 dyn. Instant conversion with formula and reverse lookup. - [Pound-force to Kilogram-force Converter](https://top10k.com/tool/pound-force-to-kilogram-force): Converts a force value in pound-force to kilogram-force (1 lbf = 0.453592 kgf) - [Pound-force to Kilonewtons Converter](https://top10k.com/tool/pound-force-to-kilonewton): Converts force values from pound-force (lbf) to kilonewtons (kN). 1 lbf = 0.00444822 kN. - [Pound-force to Newtons Converter](https://top10k.com/tool/pound-force-to-newton) - [lb/ft3 to g/cm3 Converter](https://top10k.com/tool/pound-per-cubic-foot-to-gram-per-cubic-cm): Converts density from pounds per cubic foot to grams per cubic centimeter; 1 lb/ft3 = 0.016018 g/cm3 - [lb/ft3 to g/mL Converter](https://top10k.com/tool/pound-per-cubic-foot-to-gram-per-milliliter): Converts density from pounds per cubic foot to grams per milliliter; 1 lb/ft3 = 0.016018 g/mL (since 1 g/cm3 = 1 g/mL exactly) - [lb/ft3 to kg/m3 Converter](https://top10k.com/tool/pound-per-cubic-foot-to-kg-per-cubic-meter): Converts density from pounds per cubic foot (lb/ft³) to kilograms per cubic meter (kg/m³); 1 lb/ft³ = 16.01846337 kg/m³; used in construction, material science, and fluid mechanics. - [Pounds to Carats Converter](https://top10k.com/tool/pound-to-carat): Convert pounds to carats instantly in the browser. 1 carat = 0.2 grams; 1 pound = 2267.96 carats. Useful for gem traders, jewelers, and gemologists. - [Pounds to Grains Converter](https://top10k.com/tool/pound-to-grain): Convert mass values from pounds (lb) to grains (gr). Uses the exact factor: 1 lb = 7000 grains. - [Pounds to Grams Converter](https://top10k.com/tool/pound-to-gram): Instantly convert a weight in pounds (lb) to grams (g) with high precision. Also shows kilograms and ounces. - [Pounds to Kilograms Converter](https://top10k.com/tool/pound-to-kilogram): Converts a mass value in pounds (lb) to kilograms (kg) — 1 lb = 0.45359237 kg exactly. - [Pounds to Micrograms Converter](https://top10k.com/tool/pound-to-microgram): Convert pounds to micrograms instantly in your browser. Enter any pound value and get the exact microgram equivalent with no server calls. - [Pounds to Milligrams Converter](https://top10k.com/tool/pound-to-milligram): Convert pounds (lb) to milligrams (mg) instantly with a precise client-side calculator. Supports decimal inputs and bulk batch conversions. - [Pounds to Ounces Converter](https://top10k.com/tool/pound-to-ounce): Converts pounds (lb) to ounces (oz) with instant results and a quick-reference conversion table. - [Pounds to Stones Converter](https://top10k.com/tool/pound-to-stone): Convert pounds to stones and pounds instantly in your browser. Shows the result as whole stones with remaining pounds and as a decimal fraction of stones. - [Pounds to Tonnes Converter](https://top10k.com/tool/pound-to-tonne): Converts pounds (lb) to metric tonnes (t) with instant results and common reference values. - [PPB to g/L Converter](https://top10k.com/tool/ppb-to-gram-per-liter): Converts concentration from parts per billion (ppb) to grams per liter (g/L); for water, 1 ppb = 0.000001 g/L. - [PPB to mg/L Converter](https://top10k.com/tool/ppb-to-milligram-per-liter): Converts concentration from parts per billion (ppb) to milligrams per liter (mg/L); for water, 1 ppb = 0.001 mg/L. - [PPB to PPM Converter](https://top10k.com/tool/ppb-to-ppm): Converts concentration from parts per billion (ppb) to parts per million (ppm). 1 ppb = 0.001 ppm. Used in water quality testing, air pollution monitoring, and chemical analysis. - [PPM to g/L Converter](https://top10k.com/tool/ppm-to-gram-per-liter): Converts concentration from parts per million (ppm) to grams per liter (g/L). For aqueous solutions at standard conditions, 1 ppm = 0.001 g/L. - [PPM to mg/L Converter](https://top10k.com/tool/ppm-to-milligram-per-liter): Convert parts per million (ppm) to milligrams per liter (mg/L) and vice versa, with density-based corrections for solutions other than water. - [PPM to PPB Converter](https://top10k.com/tool/ppm-to-ppb): Converts concentration from parts per million (ppm) to parts per billion (ppb). 1 ppm = 1,000 ppb. - [PSI to Atmospheres Converter](https://top10k.com/tool/psi-to-atmosphere): Converts pressure values from PSI (pounds per square inch) to standard atmospheres (atm), plus a quick reference table for common PSI values. - [PSI to Bar Converter](https://top10k.com/tool/psi-to-bar): Converts pressure values from PSI (pounds per square inch) to bar with instant results and reverse conversion. - [PSI to inHg Converter](https://top10k.com/tool/psi-to-inhg): Converts pressure values from PSI (pounds per square inch) to inches of mercury (inHg) used in weather forecasting and aviation altimetry. - [PSI to Kilopascals Converter](https://top10k.com/tool/psi-to-kilopascal): Converts pressure values from PSI (pounds per square inch) to kilopascals (kPa) with instant results and reverse conversion. - [PSI to mmHg Converter](https://top10k.com/tool/psi-to-mmhg): Converts pressure values from PSI (pounds per square inch) to millimeters of mercury (mmHg) used in medical and barometric contexts. - [PSI to Pascals Converter](https://top10k.com/tool/psi-to-pascal): Converts pressure values from pounds per square inch (PSI) to pascals (Pa), kilopascals (kPa), and megapascals (MPa). 1 PSI = 6,894.757 Pa. - [PSI to Torr Converter](https://top10k.com/tool/psi-to-torr): Converts pressure values from PSI (pounds per square inch) to Torr with instant results and common reference values. - [Quarts to Barrels Converter](https://top10k.com/tool/quart-to-barrel): Convert quarts to barrels — US liquid barrels, oil barrels, beer barrels, and dry barrels — with a live conversion table and formula. - [Quarts to Cubic Feet Converter](https://top10k.com/tool/quart-to-cubic-foot): Converts a volume in US liquid quarts to cubic feet. - [Quarts to Cubic Inches Converter](https://top10k.com/tool/quart-to-cubic-inch) - [Quarts to Cubic Meters Converter](https://top10k.com/tool/quart-to-cubic-meter): Converts US quarts to cubic meters (1 US qt = 0.000946353 m³) and cubic meters to quarts, with UK quart variant and scientific notation output option. - [Quarts to Cups Converter](https://top10k.com/tool/quart-to-cup): Convert quarts to cups instantly. Shows the exact result with the conversion formula, plus pints, fluid ounces, gallons, and liters for both US and UK measures. - [Quarts to Fluid Ounces Converter](https://top10k.com/tool/quart-to-fluid-ounce): Convert quarts to fluid ounces instantly for US customary and UK imperial measurements. Includes a reference table for common cooking and liquid volumes. - [Quarts to UK Gallons Converter](https://top10k.com/tool/quart-to-gallon-uk): Convert US liquid quarts to UK (imperial) gallons and back. Instant two-way conversion with formula and reference table. - [Quarts to US Gallons Converter](https://top10k.com/tool/quart-to-gallon-us): Convert liquid volume between US quarts and US gallons instantly. Includes a bidirectional converter and a reference table for common quart values. - [Quarts to Liters Converter](https://top10k.com/tool/quart-to-liter): Convert US quarts to liters instantly. Supports reverse conversion from liters to quarts, shows the formula, and includes a common volume reference table. - [Quarts to Milliliters Converter](https://top10k.com/tool/quart-to-milliliter): Converts US quarts to milliliters (1 US qt = 946.353 mL) and milliliters to quarts, with UK quart support and common volume presets. - [Quarts to Pints Converter](https://top10k.com/tool/quart-to-pint): Convert quarts to pints instantly. Also shows the equivalent in cups, fluid ounces, gallons, and liters for both US and UK measures. - [Quarts to Tablespoons Converter](https://top10k.com/tool/quart-to-tablespoon): Convert quarts to tablespoons instantly. 1 US liquid quart equals exactly 64 US tablespoons. Shows the result with the conversion formula plus cups, fluid ounces, pints, and milliliters. - [Quarts to Teaspoons Converter](https://top10k.com/tool/quart-to-teaspoon): Convert quarts to teaspoons instantly. 1 US quart equals 192 teaspoons. Handles decimal and fractional quart values. - [Rad to Becquerels Converter](https://top10k.com/tool/rad-to-becquerel): Educational reference converter between rad (absorbed dose) and becquerel (activity); these are different physical quantities — shows the conceptual relationship with context. - [Rad to Curies Converter](https://top10k.com/tool/rad-to-curie): Educational reference converter between rad (absorbed dose unit) and curie (activity unit); different physical quantities — explains the distinction and provides context for radiation physics stude… - [Rad to Grays Converter](https://top10k.com/tool/rad-to-gray): Converts radiation absorbed dose from rad to gray (Gy). 1 rad = 0.01 Gy. Used in medical physics, radiation oncology, and radiation safety. - [Rad to Rem Converter](https://top10k.com/tool/rad-to-rem): Convert absorbed radiation dose in rad to dose equivalent in rem. Supports all major radiation types — gamma, X-ray, beta, neutrons, protons, and alpha particles — using their standard quality fact… - [Rad to Sieverts Converter](https://top10k.com/tool/rad-to-sievert): Converts radiation absorbed dose in rad to equivalent dose in sieverts (Sv); accounts for radiation weighting factors (photons/electrons: 1 rad = 0.01 Sv; alpha particles: 1 rad = 0.2 Sv); lets use… - [Radians to Arcminutes Converter](https://top10k.com/tool/radian-to-arcminute): Convert angle values from radians to arcminutes. Shows the formula (arcminutes = radians × 10800 / π) with a step-by-step breakdown and instant results. - [Radians to Arcseconds Converter](https://top10k.com/tool/radian-to-arcsecond): Converts angle values from radians to arcseconds (″), showing the formula (arcseconds = radians × 648000/π) and step-by-step result. - [Radians to Degrees Converter](https://top10k.com/tool/radian-to-degree): Converts angle values from radians to degrees using the formula degrees = radians × 180/π, showing the step-by-step result and a reference table of common angles. - [Radians to Gradians Converter](https://top10k.com/tool/radian-to-gradian): Converts angle values from radians to gradians (grad/gon), showing the formula (gradians = radians × 200/π) and step-by-step result. - [Radians to Turns Converter](https://top10k.com/tool/radian-to-turn): Converts angle values from radians to turns (full rotations), showing the formula (turns = radians / (2π)) and step-by-step result. - [Rankine to Celsius Converter](https://top10k.com/tool/rankine-to-celsius) - [Rankine to Fahrenheit Converter](https://top10k.com/tool/rankine-to-fahrenheit) - [Rankine to Kelvin Converter](https://top10k.com/tool/rankine-to-kelvin): Convert temperature from Rankine to Kelvin (K = °Ra ÷ 1.8). Both scales share absolute zero, so 0 °Ra = 0 K and the ratio is always exactly 1.8. - [Rankine to Reaumur Converter](https://top10k.com/tool/rankine-to-reaumur) - [Reaumur to Celsius Converter](https://top10k.com/tool/reaumur-to-celsius): Convert temperature from the Reaumur scale to Celsius. °C = °Ré × 1.25; water freezes at 0 on both scales and boils at 80 °Ré / 100 °C. - [Reaumur to Fahrenheit Converter](https://top10k.com/tool/reaumur-to-fahrenheit): Converts temperature values from the Reaumur scale (°Ré) to Fahrenheit (°F). Formula: °F = °Ré × 2.25 + 32. Includes reverse conversion and a reference table of common temperatures. - [Reaumur to Kelvin Converter](https://top10k.com/tool/reaumur-to-kelvin): Convert temperature from the Reaumur scale to Kelvin. K = (°Ré × 1.25) + 273.15; water freezes at 0 °Ré / 273.15 K and boils at 80 °Ré / 373.15 K. - [Reaumur to Rankine Converter](https://top10k.com/tool/reaumur-to-rankine): Convert temperatures from the Reaumur scale to the Rankine scale. Formula: °R = (°Ré × 1.25 + 273.15) × 9/5. - [Rem to Becquerels Converter](https://top10k.com/tool/rem-to-becquerel): Educational reference converter between rem (dose equivalent, US customary) and becquerel (activity, SI); different physical quantities — explains the distinction for radiation safety students. - [Rem to Curies Converter](https://top10k.com/tool/rem-to-curie) - [rem to em Converter](https://top10k.com/tool/rem-to-em) - [Rem to Grays Converter](https://top10k.com/tool/rem-to-gray): Converts equivalent radiation dose in rem to absorbed dose in grays (Gy). For photons and electrons the weighting factor is 1, so 100 rem = 1 Gy. Supports custom weighting factors for neutrons, alp… - [rem to Picas Converter](https://top10k.com/tool/rem-to-pica): Converts CSS rem units to typographic picas given a configurable root font size. Formula: pica = rem × rootFontSizePx / 16. Default root font size is 16px. - [rem to Pixels Converter](https://top10k.com/tool/rem-to-pixel): Converts CSS rem units to pixels (px), using a configurable root font size (default 16px). Includes a bulk converter and a reference table of common rem values. - [rem to Points Converter](https://top10k.com/tool/rem-to-point): Converts CSS rem units to typographic points (pt), using a configurable root font size. Formula: pt = rem × rootFontSizePx × 72 / 96. Default root is 16px. - [Rem to Rad Converter](https://top10k.com/tool/rem-to-rad): Converts dose equivalent in rem to absorbed dose in rad; 1 rem = 1 rad for gamma/X-ray/beta radiation (Q=1), divide by quality factor for other radiation types. - [Rem to Sieverts Converter](https://top10k.com/tool/rem-to-sievert): Converts radiation equivalent dose in rem to sieverts (Sv); 1 rem = 0.01 Sv; direct conversion used in radiation protection, nuclear medicine, and occupational exposure reporting. - [RPM to Gigahertz Converter](https://top10k.com/tool/rpm-to-gigahertz): Converts rotations per minute (RPM) to frequency in gigahertz (GHz). Formula: GHz = RPM / 60,000,000,000. - [RPM to Hertz Converter](https://top10k.com/tool/rpm-to-hertz): Converts rotational speed in RPM (revolutions per minute) to frequency in hertz (Hz). Formula: Hz = RPM / 60. - [RPM to Kilohertz Converter](https://top10k.com/tool/rpm-to-kilohertz): Convert rotations per minute (RPM) to frequency in kilohertz (kHz). Instant results with formula explanation. - [RPM to Megahertz Converter](https://top10k.com/tool/rpm-to-megahertz): Convert rotations per minute (RPM) to frequency in megahertz (MHz). Useful for motors, hard drives, CPU clocks, and any rotating or oscillating system. - [Seconds to Days Converter](https://top10k.com/tool/second-to-day): Convert a number of seconds into equivalent days, hours, minutes, and remaining seconds. Useful for interpreting durations from timestamps, logs, or countdown timers. - [Seconds to Decades Converter](https://top10k.com/tool/second-to-decade): Converts a number of seconds into equivalent decades (using 3652.5 days/decade) with full breakdown into decades, years, days, hours, minutes, and seconds. - [Seconds to Hours Converter](https://top10k.com/tool/second-to-hour): Convert any number of seconds to hours instantly. Shows the result in hours, minutes, and a full h:mm:ss breakdown. Supports decimals. - [Seconds to Microseconds Converter](https://top10k.com/tool/second-to-microsecond): Converts seconds to microseconds, where 1 second = 1,000,000 microseconds. Instant result, reverse conversion, and a reference table of common durations. - [Seconds to Milliseconds Converter](https://top10k.com/tool/second-to-millisecond): Convert seconds to milliseconds instantly. 1 second equals 1,000 milliseconds. Enter any value in seconds and get the precise millisecond equivalent. - [Seconds to Minutes Converter](https://top10k.com/tool/second-to-minute): Converts seconds to minutes instantly. 60 seconds = 1 minute. Supports decimal seconds and shows hours and leftover seconds too. - [Seconds to Months Converter](https://top10k.com/tool/second-to-month): Convert a number of seconds into equivalent months, weeks, days, hours, minutes, and remaining seconds. Uses the standard average month of 30.4375 days (365.25 ÷ 12). - [Seconds to Weeks Converter](https://top10k.com/tool/second-to-week): Convert any number of seconds into weeks, plus the remaining days, hours, minutes, and seconds. Instant client-side calculation with a full breakdown. - [Seconds to Years Converter](https://top10k.com/tool/second-to-year): Convert a number of seconds into equivalent years, days, hours, minutes, and seconds. Uses the standard 365.25-day year (accounting for leap years) for accurate long-duration conversions. - [Sieverts to Becquerels Converter](https://top10k.com/tool/sievert-to-becquerel): Converts equivalent radiation dose in sieverts (Sv) back to radioactivity in becquerels (Bq) using ICRP dose coefficients for common radionuclides. Explains why Sv and Bq measure different physical… - [Sieverts to Curies Converter](https://top10k.com/tool/sievert-to-curie) - [Sieverts to Grays Converter](https://top10k.com/tool/sievert-to-gray): Convert equivalent radiation dose in sieverts (Sv) to absorbed dose in grays (Gy) by selecting the radiation type. Applies the correct radiation weighting factor (wR) automatically. - [Sieverts to Rad Converter](https://top10k.com/tool/sievert-to-rad): Converts radiation dose equivalent in sieverts (Sv) to absorbed dose in rad. For gamma and beta radiation (quality factor = 1), 1 Sv equals 100 rad exactly. - [Sieverts to Rem Converter](https://top10k.com/tool/sievert-to-rem): Converts equivalent radiation dose in sieverts (Sv) to rem (roentgen equivalent man). The conversion is exact: 1 Sv = 100 rem. Supports millisievert, millirem, and bidirectional conversion for radi… - [Square Feet to Square Meters Converter](https://top10k.com/tool/square-feet-to-sq-meters): Converts square feet (ft²) to square meters (m²) instantly with a reverse lookup. Enter either value for a live bidirectional conversion with formula display and a reference table of common areas. - [Square Feet to Acres Converter](https://top10k.com/tool/square-foot-to-acre): Convert square feet to acres instantly. Enter any square footage and get the exact acreage with full calculation details. - [Square Feet to Hectares Converter](https://top10k.com/tool/square-foot-to-hectare): Convert square feet to hectares instantly for land area calculations. Supports bulk conversion and reverse lookup from hectares to square feet. - [Square Feet to Square Inches Converter](https://top10k.com/tool/square-foot-to-square-inch): Converts a square footage value to square inches instantly. Enter any area in square feet and get the exact result in square inches with the full conversion formula shown. - [Square Feet to Square Kilometers Converter](https://top10k.com/tool/square-foot-to-square-kilometer): Converts a value in square feet to square kilometers instantly. - [Square Feet to Square Meters Converter](https://top10k.com/tool/square-foot-to-square-meter): Converts area values from square feet to square meters with instant results and reverse conversion support. Enter any value in ft² or m² for live bidirectional output, see the formula, and explore … - [Square Feet to Square Miles Converter](https://top10k.com/tool/square-foot-to-square-mile): Instantly convert square feet to square miles and back. Handles any area value with high precision. - [Square Feet to Square Yards Converter](https://top10k.com/tool/square-foot-to-square-yard): Convert square feet to square yards instantly. Enter any area in square feet and get the exact square yard equivalent with a clear formula explanation. - [Square Inches to Acres Converter](https://top10k.com/tool/square-inch-to-acre): Converts a value in square inches to acres instantly. Useful for land, survey, and construction calculations. - [Square Inches to Hectares Converter](https://top10k.com/tool/square-inch-to-hectare): Convert square inches to hectares instantly, with reverse conversion, formula explanation, and real-world reference examples. - [Square Inches to Square Feet Converter](https://top10k.com/tool/square-inch-to-square-foot) - [Square Inches to Square Kilometers Converter](https://top10k.com/tool/square-inch-to-square-kilometer): Converts a value in square inches to square kilometers instantly using the exact conversion factor. - [Square Inches to Square Meters Converter](https://top10k.com/tool/square-inch-to-square-meter): Converts a value in square inches to square meters instantly using the exact conversion factor. - [Square Inches to Square Miles Converter](https://top10k.com/tool/square-inch-to-square-mile): Converts a value in square inches to square miles (and back), showing the conversion factor and result clearly. - [Square Inches to Square Yards Converter](https://top10k.com/tool/square-inch-to-square-yard): Converts a value in square inches to square yards (and back), showing the exact conversion factor (1 sq yd = 1296 sq in). - [Square Kilometers to Acres Converter](https://top10k.com/tool/square-kilometer-to-acre): Convert square kilometers to acres and other area units instantly. Supports sq km, acres, hectares, square miles, and square feet. - [Square Kilometers to Hectares Converter](https://top10k.com/tool/square-kilometer-to-hectare): Converts square kilometers to hectares instantly with a clean, accurate client-side calculator. - [Square Kilometers to Square Feet Converter](https://top10k.com/tool/square-kilometer-to-square-foot): Converts square kilometers to square feet with instant results and the reverse conversion. - [Square Kilometers to Square Inches Converter](https://top10k.com/tool/square-kilometer-to-square-inch): Converts square kilometers to square inches instantly with a clean, accurate client-side calculator. - [Square Kilometers to Square Meters Converter](https://top10k.com/tool/square-kilometer-to-square-meter): Convert square kilometers to square meters and reverse. Fast, accurate area unit converter with formula reference. - [Square Kilometers to Square Miles Converter](https://top10k.com/tool/square-kilometer-to-square-mile): Converts an area value from square kilometers to square miles instantly. - [Square Kilometers to Square Yards Converter](https://top10k.com/tool/square-kilometer-to-square-yard): Converts an area value from square kilometers to square yards instantly. - [Square Meters to Acres Converter](https://top10k.com/tool/square-meter-to-acre): Convert square meters to acres and acres to square meters instantly. Useful for land area measurement, real estate, agriculture, and property planning. - [Square Meters to Hectares Converter](https://top10k.com/tool/square-meter-to-hectare): Converts square meters to hectares instantly with a clean input/output form. - [Square Meters to Square Feet Converter](https://top10k.com/tool/square-meter-to-square-foot): Instantly convert square meters to square feet and square feet to square meters. Supports bulk area conversion with a clean bidirectional interface. - [Square Meters to Square Inches Converter](https://top10k.com/tool/square-meter-to-square-inch): Converts square meters to square inches instantly with a clean input/output form. - [Square Meters to Square Kilometers Converter](https://top10k.com/tool/square-meter-to-square-kilometer): Convert area measurements from square meters (m²) to square kilometers (km²) instantly with the exact conversion factor (1 km² = 1,000,000 m²). - [Square Meters to Square Miles Converter](https://top10k.com/tool/square-meter-to-square-mile): Convert square meters to square miles instantly with a clean, accurate calculator. Useful for land surveys, geography, and real estate comparisons. - [Square Meters to Square Yards Converter](https://top10k.com/tool/square-meter-to-square-yard): Convert square meters to square yards instantly. Enter any area value and get the precise square yards equivalent with the conversion formula shown. - [Square Meters to Square Feet Converter](https://top10k.com/tool/square-meters-to-sq-feet): Converts square meters (m²) to square feet (ft²) with instant results and a reverse lookup. - [Square Miles to Acres Converter](https://top10k.com/tool/square-mile-to-acre): Instantly convert square miles to acres. 1 square mile equals exactly 640 acres. Enter any value and get the result with a clear breakdown. - [Square Miles to Hectares Converter](https://top10k.com/tool/square-mile-to-hectare): Converts square miles to hectares instantly with reference data for common land areas. - [Square Miles to Square Feet Converter](https://top10k.com/tool/square-mile-to-square-foot): Converts square miles to square feet instantly with a clean, accurate conversion tool. - [Square Miles to Square Inches Converter](https://top10k.com/tool/square-mile-to-square-inch): Converts a value in square miles to square inches instantly. - [Square Miles to Square Kilometers Converter](https://top10k.com/tool/square-mile-to-square-kilometer): Converts square miles to square kilometers and vice versa instantly in your browser. No signup required. - [Square Miles to Square Meters Converter](https://top10k.com/tool/square-mile-to-square-meter): Converts square miles to square meters and other area units instantly. Enter a value in square miles and get accurate results in sq meters, sq kilometers, sq feet, sq yards, acres, and hectares. - [Square Miles to Square Yards Converter](https://top10k.com/tool/square-mile-to-square-yard): Convert square miles to square yards and square yards to square miles instantly. Accurate land area converter for real estate, surveying, and geographic calculations. - [Square Yards to Acres Converter](https://top10k.com/tool/square-yard-to-acre): Converts square yards to acres instantly, showing the formula and supporting reverse conversion. - [Square Yards to Hectares Converter](https://top10k.com/tool/square-yard-to-hectare): Converts square yards to hectares instantly with the exact conversion formula and reverse calculation. - [Square Yards to Square Feet Converter](https://top10k.com/tool/square-yard-to-square-foot): Convert square yards to square feet instantly. 1 square yard equals exactly 9 square feet. Supports decimal and fractional inputs. - [Square Yards to Square Inches Converter](https://top10k.com/tool/square-yard-to-square-inch): Converts square yards to square inches using the exact factor (1 sq yd = 1296 sq in). Instant, accurate, and works entirely in your browser. - [Square Yards to Square Kilometers Converter](https://top10k.com/tool/square-yard-to-square-kilometer): Converts a value in square yards to square kilometers. 1 square yard = 8.36127e-7 square kilometers. Instant client-side result. - [Square Yards to Square Meters Converter](https://top10k.com/tool/square-yard-to-square-meter): Converts a value in square yards to square meters (1 yd² = 0.836127 m²). Simple numeric input, instant result. - [Square Yards to Square Miles Converter](https://top10k.com/tool/square-yard-to-square-mile): Converts a square yard value to square miles using the exact conversion factor (1 sq yd = 3.228305785e-7 sq mi). - [Stilb to cd/m² Converter](https://top10k.com/tool/stilb-to-candela-per-square-meter) - [Stilb to Foot-lamberts Converter](https://top10k.com/tool/stilb-to-foot-lambert): Converts luminance from stilb (sb) to foot-lamberts (fL). 1 stilb ≈ 2,918.635 foot-lamberts. Instant client-side conversion with reference table. - [Stilb to Nits Converter](https://top10k.com/tool/stilb-to-nit): Converts luminance from stilb (sb) to nits (nt = cd/m²). 1 sb = 10,000 nits. Shows equivalent cd/m² and foot-lambert values. - [Stones to Carats Converter](https://top10k.com/tool/stone-to-carat): Converts a weight value in stones to carats. Instantly convert stones to carats with decimal precision. - [Stones to Grains Converter](https://top10k.com/tool/stone-to-grain): Convert weight in stones to grains instantly. 1 stone = 98,000 grains exactly. Fast, accurate, client-side conversion with no rounding errors. - [Stones to Grams Converter](https://top10k.com/tool/stone-to-gram): Convert weight in stones and optional pounds to grams instantly. Uses the exact conversion factors: 1 stone = 6350.29318 g, 1 pound = 453.59237 g. - [Stones to Kilograms Converter](https://top10k.com/tool/stone-to-kilogram): Converts weight in stones (and optional pounds) to kilograms instantly. Supports decimal stones and mixed stone + pound input. - [Stones to Micrograms Converter](https://top10k.com/tool/stone-to-microgram): Converts a weight value in stones (st) to micrograms (μg), with reverse conversion and a quick-reference table of common stone values. - [Stones to Milligrams Converter](https://top10k.com/tool/stone-to-milligram): Convert weight in stones (st) to milligrams (mg) instantly. Supports decimal and fractional stone values with precise results. - [Stones to Ounces Converter](https://top10k.com/tool/stone-to-ounce): Convert a weight value in stones to ounces instantly. Supports decimal and fractional stone inputs. - [Stones to Pounds Converter](https://top10k.com/tool/stone-to-pound): Convert a weight in stones (st) to pounds (lbs) instantly. Supports decimal and stone+pounds input with a quick-reference conversion table. - [Stones to Tonnes Converter](https://top10k.com/tool/stone-to-tonne): Convert weight in stones (st) to metric tonnes (t). Instant, accurate, client-side conversion with common reference values. - [Tablespoons to Cups Converter](https://top10k.com/tool/tablespoon-cooking-to-cup-cooking): Converts tablespoons to cups for cooking and baking recipes (16 tablespoons = 1 cup), with secondary outputs in teaspoons, fluid ounces, and milliliters, plus a reference table - [Tablespoons to Grams Converter](https://top10k.com/tool/tablespoon-cooking-to-gram-cooking): Converts tablespoons to grams for cooking with ingredient-specific density factors (flour, sugar, butter, honey, oil, salt, cocoa, rice, etc.) - [Tablespoons to Ounces Converter](https://top10k.com/tool/tablespoon-cooking-to-ounce-cooking): Converts tablespoons to fluid ounces for cooking recipes (1 fl oz = 2 tablespoons), with a quick reference table and common recipe amounts. - [Tablespoons to Pounds Converter](https://top10k.com/tool/tablespoon-cooking-to-pound-cooking): Convert tablespoons to pounds (and pounds to tablespoons) for common cooking ingredients. Uses real ingredient density data so the math matches your kitchen. - [Tablespoons to Teaspoons Converter](https://top10k.com/tool/tablespoon-cooking-to-teaspoon-cooking): Convert tablespoons to teaspoons instantly. 1 tablespoon equals exactly 3 teaspoons — enter any amount and get the precise teaspoon equivalent for your recipe. - [Tablespoons to Barrels Converter](https://top10k.com/tool/tablespoon-to-barrel): Convert tablespoons to US fluid barrels, oil barrels, and imperial barrels instantly. Shows all barrel types side by side with a breakdown of intermediate volume units. - [Tablespoons to Cubic Feet Converter](https://top10k.com/tool/tablespoon-to-cubic-foot): Convert tablespoons to cubic feet and cubic feet to tablespoons. Useful for cooking volume to space calculations, storage sizing, and recipe scaling. - [Tablespoons to Cubic Inches Converter](https://top10k.com/tool/tablespoon-to-cubic-inch): Converts US tablespoons to cubic inches with instant bidirectional conversion and a quick-reference table for common cooking volumes. - [Tablespoons to Cubic Meters Converter](https://top10k.com/tool/tablespoon-to-cubic-meter): Converts tablespoons (US, UK, metric) to cubic meters with precision results and a reference table. - [Tablespoons to Cups Converter](https://top10k.com/tool/tablespoon-to-cup): Convert tablespoons to cups instantly. Supports US, metric, and Imperial cup sizes with a clear fraction breakdown. - [Tablespoons to Fluid Ounces Converter](https://top10k.com/tool/tablespoon-to-fluid-ounce): Converts a tablespoon measurement to US fluid ounces (1 tbsp = 0.5 fl oz) with a simple input and instant result. - [Tablespoons to UK Gallons Converter](https://top10k.com/tool/tablespoon-to-gallon-uk): Converts tablespoons (US metric tablespoon, 15 mL) to UK imperial gallons (4.54609 L) and shows the reverse conversion. Useful for scaling recipes or converting between US and UK volume measurements. - [Tablespoons to US Gallons Converter](https://top10k.com/tool/tablespoon-to-gallon-us): Converts tablespoons to US liquid gallons and shows the reverse conversion - [Tablespoons to Liters Converter](https://top10k.com/tool/tablespoon-to-liter): Converts tablespoons (US) to liters and vice versa, with a reference table for common cooking measurements. - [Tablespoons to Milliliters Converter](https://top10k.com/tool/tablespoon-to-milliliter): Converts tablespoons (US, UK, metric) to milliliters with instant results and a reference table. - [Tablespoons to Pints Converter](https://top10k.com/tool/tablespoon-to-pint): Convert tablespoons to pints instantly. Shows US and UK pint results side by side with a formula reference. - [Tablespoons to Quarts Converter](https://top10k.com/tool/tablespoon-to-quart): Convert tablespoons to quarts instantly. 64 US tablespoons equals exactly 1 US liquid quart. Shows the result with the conversion formula plus cups, fluid ounces, pints, and milliliters. - [Tablespoons to Teaspoons Converter](https://top10k.com/tool/tablespoon-to-teaspoon): Convert tablespoons to teaspoons instantly. 1 tablespoon equals exactly 3 teaspoons. Includes bidirectional conversion and a quick-reference table. - [Teaspoons to Cups Converter](https://top10k.com/tool/teaspoon-cooking-to-cup-cooking): Converts teaspoon cooking measurements to cups (48 tsp = 1 cup), with secondary outputs in tablespoons and fluid ounces, plus a reference table - [Teaspoons to Grams Converter](https://top10k.com/tool/teaspoon-cooking-to-gram-cooking): Convert teaspoon cooking measurements to grams for common ingredients including water, flour, sugar, salt, butter, and honey. Get accurate gram weights for precise baking and cooking. - [Teaspoons to Ounces Converter](https://top10k.com/tool/teaspoon-cooking-to-ounce-cooking): Converts teaspoon cooking measurements to fluid ounces (1 tsp = 1/6 fl oz), with common recipe presets and a reference table. - [Teaspoons to Pounds Converter](https://top10k.com/tool/teaspoon-cooking-to-pound-cooking): Convert teaspoon cooking measurements to pounds for common ingredients including water, flour, sugar, salt, butter, and honey. Get accurate pound weights for scaling recipes. - [Teaspoons to Tablespoons Converter](https://top10k.com/tool/teaspoon-cooking-to-tablespoon-cooking): Convert teaspoons to tablespoons for cooking and baking. 3 teaspoons equal 1 tablespoon. Handles fractional amounts and shows common cooking fractions. - [Teaspoons to Barrels Converter](https://top10k.com/tool/teaspoon-to-barrel): Convert teaspoons to US fluid barrels and back. Useful for large-scale cooking, brewing, and industrial volume conversions. - [Teaspoons to Cubic Feet Converter](https://top10k.com/tool/teaspoon-to-cubic-foot): Convert teaspoons to cubic feet and see equivalent values in tablespoons, fluid ounces, cups, pints, quarts, gallons, milliliters, and liters — all at once. - [Teaspoons to Cubic Inches Converter](https://top10k.com/tool/teaspoon-to-cubic-inch): Convert teaspoons to cubic inches and other common volume units with instant bidirectional conversion. - [Teaspoons to Cubic Meters Converter](https://top10k.com/tool/teaspoon-to-cubic-meter): Converts a volume in teaspoons (tsp) to cubic meters (m³). Uses the US teaspoon definition: 1 tsp = 0.00000492892 m³. - [Teaspoons to Cups Converter](https://top10k.com/tool/teaspoon-to-cup): Convert teaspoons to cups instantly. 1 US cup = 48 teaspoons. Shows decimal result, nearest fraction, and a quick-reference table. - [Teaspoons to Fluid Ounces Converter](https://top10k.com/tool/teaspoon-to-fluid-ounce): Converts teaspoons to US fluid ounces (1 fluid ounce = 6 teaspoons) with a simple input and instant result. - [Teaspoons to UK Gallons Converter](https://top10k.com/tool/teaspoon-to-gallon-uk): Converts US teaspoons to UK (imperial) gallons and back, showing intermediate milliliter and liter values for cooking and recipe scaling. - [Teaspoons to US Gallons Converter](https://top10k.com/tool/teaspoon-to-gallon-us): Convert teaspoons to US liquid gallons instantly. Includes reverse conversion from gallons back to teaspoons with a reference table for common cooking and volume measurements. - [Teaspoons to Liters Converter](https://top10k.com/tool/teaspoon-to-liter): Converts a volume in teaspoons (US) to liters and milliliters. - [Teaspoons to Milliliters Converter](https://top10k.com/tool/teaspoon-to-milliliter) - [Teaspoons to Pints Converter](https://top10k.com/tool/teaspoon-to-pint): Converts a volume in US teaspoons to pints instantly. - [Teaspoons to Quarts Converter](https://top10k.com/tool/teaspoon-to-quart): Converts a volume in US teaspoons to quarts instantly. Shows decimal quarts, the nearest common fraction, and a quick-reference table. - [Teaspoons to Tablespoons Converter](https://top10k.com/tool/teaspoon-to-tablespoon): Convert teaspoons to tablespoons instantly. 3 teaspoons equal exactly 1 tablespoon. Includes bidirectional conversion and a quick-reference table. - [Teaspoons to Milliliters Converter](https://top10k.com/tool/teaspoons-to-ml): Convert US teaspoons to milliliters instantly. Two-way converter, cooking equivalents table, and 3-decimal precision. - [Terabytes to Bits Converter](https://top10k.com/tool/terabyte-to-bit): Converts terabytes to bits (TB to b); 1 TB = 8 trillion bits; also shows tebibytes-to-bits (TiB) binary conversion. - [Terabytes to Bytes Converter](https://top10k.com/tool/terabyte-to-byte) - [Terabytes to Gibibytes Converter](https://top10k.com/tool/terabyte-to-gibibyte): Converts terabytes (TB, SI decimal) to gibibytes (GiB, IEC binary). 1 TB = 931.3226 GiB because 1 TB = 10^12 bytes and 1 GiB = 2^30 bytes. - [Terabytes to Gigabytes Converter](https://top10k.com/tool/terabyte-to-gigabyte): Converts terabytes to gigabytes (TB to GB); 1 TB = 1000 GB; also shows tebibytes-to-gibibytes (TiB to GiB) binary conversion. - [Terabytes to Kibibytes Converter](https://top10k.com/tool/terabyte-to-kibibyte): Converts terabytes to kibibytes. Supports both binary TB (1 TB = 1,073,741,824 KiB) and SI decimal TB (1 TB = 976,562,500 KiB) with a step-by-step breakdown. - [Terabytes to Kilobytes Converter](https://top10k.com/tool/terabyte-to-kilobyte): Converts terabytes to kilobytes (TB to KB); 1 TB = 1 billion KB; also shows tebibytes-to-kibibytes (TiB to KiB) binary conversion - [Terabytes to Mebibytes Converter](https://top10k.com/tool/terabyte-to-mebibyte): Converts a value in decimal terabytes to binary mebibytes (1 TB ≈ 953,674.3164 MiB). - [Terabytes to Megabytes Converter](https://top10k.com/tool/terabyte-to-megabyte): Converts terabytes to megabytes (TB to MB); 1 TB = 1,000,000 MB; also shows tebibytes-to-mebibytes (TiB to MiB) binary conversion. - [Terabytes to Petabytes Converter](https://top10k.com/tool/terabyte-to-petabyte): Converts terabytes to petabytes (1 PB = 1,000 TB decimal SI; 1 PiB = 1,024 TiB binary IEC). - [Teslas to Gauss Converter](https://top10k.com/tool/tesla-to-gauss): Converts magnetic flux density in teslas (T) to gauss (G). Instant results with milliTesla and microTesla cross-reference. 1 T = 10,000 G. - [Teslas to Microteslas Converter](https://top10k.com/tool/tesla-to-microtesla): Convert teslas (T) to microteslas (µT) of magnetic flux density. 1 T = 1,000,000 µT. Instant results with formula and common reference values. - [Tesla to Millitesla Converter](https://top10k.com/tool/tesla-to-millitesla) - [Tonnes to Carats Converter](https://top10k.com/tool/tonne-to-carat): Convert metric tonnes to carats (ct), the standard gemstone weight unit. 1 metric tonne = 5,000,000 carats. - [Tonnes to Grains Converter](https://top10k.com/tool/tonne-to-grain): Convert mass from metric tonnes to grains. One metric tonne is approximately 15,432,358.353 grains. - [Tonnes to Grams Converter](https://top10k.com/tool/tonne-to-gram): Converts metric tonnes to grams instantly with a clean, client-side interface. Supports decimal values and bulk conversions. - [Tonnes to Kilograms Converter](https://top10k.com/tool/tonne-to-kilogram): Converts metric tonnes to kilograms instantly with a clean, client-side interface. - [Tonnes to Micrograms Converter](https://top10k.com/tool/tonne-to-microgram): Converts a mass value in metric tonnes to micrograms. 1 metric tonne equals exactly 1,000,000,000,000 (one trillion) micrograms. - [Tonnes to Milligrams Converter](https://top10k.com/tool/tonne-to-milligram): Convert metric tonnes to milligrams instantly. Enter a value in tonnes and get the exact equivalent in milligrams with a clear step-by-step breakdown. - [Tonnes to Ounces Converter](https://top10k.com/tool/tonne-to-ounce): Convert metric tonnes to ounces instantly. 1 tonne equals 35,273.9619 ounces. Supports decimals and batch conversion. - [Tonnes to Pounds Converter](https://top10k.com/tool/tonne-to-pound): Convert metric tonnes to pounds instantly. 1 tonne equals exactly 2204.62262 pounds. Supports decimal input and bulk conversion table. - [Tonnes to Stones Converter](https://top10k.com/tool/tonne-to-stone): Convert metric tonnes to stones instantly. Accurate conversion with full breakdown including pounds and kilograms. - [Torr to Atmospheres Converter](https://top10k.com/tool/torr-to-atmosphere): Converts pressure values from torr to standard atmospheres (atm) with formula explanation and reference table. - [Torr to Bars Converter](https://top10k.com/tool/torr-to-bar): Convert pressure in torr to bar. 1 torr = 0.00133322 bar. Includes reverse bar-to-torr conversion and a reference table of common pressure values. - [Torr to inHg Converter](https://top10k.com/tool/torr-to-inhg): Converts pressure values from torr to inches of mercury (inHg), used in US weather and aviation contexts. - [Torr to Kilopascals Converter](https://top10k.com/tool/torr-to-kilopascal): Convert Torr pressure values to kilopascals with instant results and reference table. - [Torr to mmHg Converter](https://top10k.com/tool/torr-to-mmhg): Converts pressure values from torr to millimeters of mercury (mmHg). Torr and mmHg are nearly identical — 1 torr ≈ 0.999999858 mmHg — but this tool clarifies the distinction and handles both direct… - [Torr to Pascals Converter](https://top10k.com/tool/torr-to-pascal): Convert Torr pressure values to Pascals with instant results and common reference values. - [Torr to PSI Converter](https://top10k.com/tool/torr-to-psi): Convert Torr pressure values to pounds per square inch (PSI) with instant calculation and reference table. - [Turns to Arcminutes Converter](https://top10k.com/tool/turn-to-arcminute): Convert turns (full rotations) to arcminutes. 1 turn equals exactly 21,600 arcminutes. Also shows the result in degrees, radians, and gradians. - [Turns to Arcseconds Converter](https://top10k.com/tool/turn-to-arcsecond): Converts turns (full rotations) to arcseconds. 1 turn = 1,296,000 arcseconds. Also shows the result in degrees, arcminutes, and radians. - [Turns to Degrees Converter](https://top10k.com/tool/turn-to-degree): Converts turns (full rotations) to degrees. 1 turn = 360 degrees. Also shows the result in radians and gradians. - [Turns to Gradians Converter](https://top10k.com/tool/turn-to-gradian): Converts turns (full rotations) to gradians (gon), where 1 turn = 400 gradians. Also shows degrees and radians. - [Turns to Radians Converter](https://top10k.com/tool/turn-to-radian): Converts turns (full rotations) to radians, where 1 turn = 2π radians. Shows the formula and a step-by-step breakdown. - [UK Ring Size to EU Ring Size Converter](https://top10k.com/tool/uk-ring-to-eu-ring): Convert a UK ring size letter (e.g. "L") to the equivalent EU ring size in millimeters (e.g. "52"), or go the other way, using a standard ring-size conversion chart. - [UK Ring Size to US Ring Size Converter](https://top10k.com/tool/uk-ring-to-us-ring): Converts a UK ring size (letter, e.g. "L") to the equivalent US ring size (numeric, e.g. "6") using a standard ring-size conversion table based on inner circumference and diameter. - [UK Shoe Size to CM Converter](https://top10k.com/tool/uk-shoe-to-cm-shoe): Convert an adult UK shoe size to the ISO 19407:2023 technical foot-length reference in centimeters, millimeters, and inches. - [UK to EU Shoe Size Converter](https://top10k.com/tool/uk-shoe-to-eu-shoe): Convert UK shoe sizes to European (EU) shoe sizes for men, women, and children. Instant lookup with a full size chart for all genders. - [UK to US Shoe Size Converter](https://top10k.com/tool/uk-shoe-to-us-shoe): Convert UK shoe sizes to US shoe sizes for men, women, and children using an accurate lookup table. Supports whole and half sizes. - [US Ring Size to EU Ring Size Converter](https://top10k.com/tool/us-ring-to-eu-ring): Converts US ring sizes to European (EU) ring sizes (circumference in mm) using a standard lookup table. Instant, client-side, no signup needed. - [US Ring Size to UK Ring Size Converter](https://top10k.com/tool/us-ring-to-uk-ring) - [US Shoe Size to CM Converter](https://top10k.com/tool/us-shoe-to-cm-shoe): Converts US shoe sizes to foot length in centimeters for men, women, and children. - [US to EU Shoe Size Converter](https://top10k.com/tool/us-shoe-to-eu-shoe): Convert US shoe sizes to European (EU) shoe sizes for men, women, and children. Instant lookup with full size charts for all genders. - [US to UK Shoe Size Converter](https://top10k.com/tool/us-shoe-to-uk-shoe): Converts US shoe sizes to UK shoe sizes for men, women, and children using standard lookup tables. - [Watt Hours to BTU Converter](https://top10k.com/tool/watt-hour-to-btu): Converts watt-hours (Wh) to British thermal units (BTU) and back; 1 Wh = 3.41214 BTU; useful for HVAC, heat pumps, and energy comparisons. - [Watt Hours to Calories Converter](https://top10k.com/tool/watt-hour-to-calorie): Converts watt hours (Wh) to calories (cal) and vice versa, useful for comparing electrical energy with small-scale thermal energy in chemistry and physics. - [Watt Hours to Electronvolts Converter](https://top10k.com/tool/watt-hour-to-electronvolt): Converts watt-hours (Wh) to electronvolts (eV) and back — 1 Wh = 2.24694 × 10²² eV; bidirectional with scientific notation display. - [Watt Hours to Foot Pounds Converter](https://top10k.com/tool/watt-hour-to-foot-pound): Converts watt-hours (Wh) to foot-pounds (ft·lbf) and back. 1 Wh = 2,655.22 ft·lbf. Useful for mechanical work, engineering, and firearms energy calculations. - [Watt Hours to Joules Converter](https://top10k.com/tool/watt-hour-to-joule): Converts watt hours (Wh) to joules (J) and vice versa, useful for electrical energy storage, battery capacity, and physics calculations. - [Watt Hours to Kilocalories Converter](https://top10k.com/tool/watt-hour-to-kilocalorie): Convert watt-hours (Wh) to kilocalories (kcal / food Calories) using the exact thermochemical factor. Includes a reverse kcal-to-Wh converter and a quick-reference table. - [Watt Hours to Kilojoules Converter](https://top10k.com/tool/watt-hour-to-kilojoule): Converts watt hours (Wh) to kilojoules (kJ) and vice versa, useful for comparing electrical energy storage with thermal energy values in engineering and science. - [Watt Hours to Kilowatt Hours Converter](https://top10k.com/tool/watt-hour-to-kilowatt-hour): Converts watt-hours (Wh) to kilowatt-hours (kWh) and back. 1 kWh = 1000 Wh exactly. Useful for electricity bills, solar panels, and battery sizing. - [Watts to BTU per Hour Converter](https://top10k.com/tool/watt-to-btu-per-hour): Convert watts to BTU/hr for HVAC and heating system power ratings. - [Watts to Foot Pounds per Minute Converter](https://top10k.com/tool/watt-to-foot-pound-per-minute): Convert watts to foot-pounds per minute for mechanical power analysis. Accurate conversion with a reference table of common machinery power ratings. - [Watts to Horsepower Converter](https://top10k.com/tool/watt-to-horsepower): Convert watts to mechanical, electrical, and metric horsepower for motor and engine power comparisons. Includes a reverse HP-to-watts mode and a common power reference table. - [Watts to Kilowatts Converter](https://top10k.com/tool/watt-to-kilowatt): Convert watts to kilowatts instantly. Enter any watt value and get the kilowatt equivalent with a common appliance reference table. - [Watts to Megawatts Converter](https://top10k.com/tool/watt-to-megawatt): Convert watts to megawatts instantly. Enter any watt value and get the megawatt equivalent with a reference table of large-scale power sources. - [Watts to Horsepower Converter](https://top10k.com/tool/watts-to-horsepower): Converts watts to mechanical, electrical, and metric horsepower with a quick reference table for common power ratings. - [Weeks to Days Converter](https://top10k.com/tool/week-to-day): Convert any number of weeks into days. 1 week = 7 days. Supports decimals and shows a full time breakdown including hours, minutes, and seconds. - [Weeks to Decades Converter](https://top10k.com/tool/week-to-decade): Convert any number of weeks into decades. Uses the mean Gregorian factor of 521.775 weeks per decade (365.2425 days/year × 10 years / 7 days/week). Supports decimals and shows a plain-English break… - [Weeks to Hours Converter](https://top10k.com/tool/week-to-hour): Converts a number of weeks into hours (1 week = 168 hours). Supports decimals and shows a full breakdown in weeks, days, and hours. - [Weeks to Microseconds Converter](https://top10k.com/tool/week-to-microsecond): Converts weeks to microseconds (1 week = 604,800,000,000 microseconds). Supports decimal input and shows a full breakdown. - [Weeks to Milliseconds Converter](https://top10k.com/tool/week-to-millisecond): Converts weeks to milliseconds (1 week = 604,800,000 milliseconds). Supports decimals and shows a full breakdown in days, hours, seconds, and milliseconds. - [Weeks to Minutes Converter](https://top10k.com/tool/week-to-minute): Convert any number of weeks to minutes instantly. 1 week = 10,080 minutes. Supports decimal weeks and shows hours and seconds too. - [Weeks to Months Converter](https://top10k.com/tool/week-to-month): Converts weeks to months using the average month length (1 month = 365.25 ÷ 12 ÷ 7 ≈ 4.348214 weeks). Supports decimals and shows a plain-English breakdown. - [Weeks to Seconds Converter](https://top10k.com/tool/week-to-second): Convert weeks to seconds instantly. 1 week = 604,800 seconds. Enter any number of weeks and get the exact second count. - [Weeks to Years Converter](https://top10k.com/tool/week-to-year): Convert weeks to years using the precise astronomical factor: 1 year = 52.1775 weeks (365.25 days / 7). Supports decimals and shows a full time breakdown. - [Weight Converter](https://top10k.com/tool/weight): Convert weight and mass units instantly across milligrams, grams, kilograms, tonnes, ounces, pounds, stone, and US tons. - [Yards to Centimeters Converter](https://top10k.com/tool/yard-to-centimeter): Converts a length value in yards to centimeters instantly. - [Yards to Feet Converter](https://top10k.com/tool/yard-to-foot): Converts a length value in yards to feet instantly (1 yard = 3 feet exactly) with two-way conversion and a quick-reference table. - [Yards to Furlongs Converter](https://top10k.com/tool/yard-to-furlong) - [Yards to Inches Converter](https://top10k.com/tool/yard-to-inch): Convert a length value in yards to inches instantly. Supports reverse conversion from inches to yards and includes a quick-reference table of common yard measurements. - [Yards to Kilometers Converter](https://top10k.com/tool/yard-to-kilometer): Converts a length value in yards to kilometers instantly. Also supports reverse conversion from kilometers to yards. - [Yards to Light Years Converter](https://top10k.com/tool/yard-to-light-year): Converts a distance in yards to light years using the exact conversion factor. - [Yards to Meters Converter](https://top10k.com/tool/yard-to-meter): Converts yards to meters instantly (1 yard = 0.9144 meters exactly) with two-way conversion. - [Yards to Micrometers Converter](https://top10k.com/tool/yard-to-micrometer): Converts a length value in yards to micrometers instantly. - [Yards to Miles Converter](https://top10k.com/tool/yard-to-mile): Converts a length value in yards to miles instantly. Also supports reverse conversion from miles to yards. - [Yards to Millimeters Converter](https://top10k.com/tool/yard-to-millimeter): Converts a length value in yards to millimeters instantly. - [Yards to Nanometers Converter](https://top10k.com/tool/yard-to-nanometer): Converts a length value in yards to nanometers instantly. Useful for science, engineering, and precision measurement tasks. - [Yards to Nautical Miles Converter](https://top10k.com/tool/yard-to-nautical-mile): Converts a length value in yards to nautical miles instantly. - [Yarn Weight Converter](https://top10k.com/tool/yarn-weight-converter): Converts between yarn weight categories (lace, fingering, sport, DK, worsted, bulky, super bulky) and their WPI (wraps per inch) / ply equivalents, with a needle and hook size reference table. - [Years to Days Converter](https://top10k.com/tool/year-to-day): Converts a number of years to the equivalent number of days using the standard Julian year of 365.25 days. - [Years to Decades Converter](https://top10k.com/tool/year-to-decade): Converts years to decades (and decades to years), showing the result with decimal precision and a breakdown of remaining years. - [Years to Hours Converter](https://top10k.com/tool/year-to-hour): Converts a number of years to the equivalent number of hours. Uses the Julian year definition: 1 year = 365.25 days = 8,766 hours. - [Years to Microseconds Converter](https://top10k.com/tool/year-to-microsecond): Converts a number of years to the equivalent number of microseconds using the Julian year (1 year = 31,557,600,000,000 µs). - [Years to Milliseconds Converter](https://top10k.com/tool/year-to-millisecond): Converts a number of years to the equivalent number of milliseconds using the Julian year definition (1 year = 365.25 days = 31,557,600,000 ms). - [Years to Minutes Converter](https://top10k.com/tool/year-to-minute): Convert a number of years to the equivalent number of minutes. Uses the Julian year (365.25 days = 525,960 minutes) for precise long-duration calculations. - [Years to Months Converter](https://top10k.com/tool/year-to-month): Converts a number of years to the equivalent number of months. Multiplies by 12 — the exact number of months in one calendar year. - [Years to Seconds Converter](https://top10k.com/tool/year-to-second): Convert a number of years to the equivalent number of seconds. Uses the Julian year (365.25 days = 31,557,600 seconds) for precise long-duration calculations. - [Years to Weeks Converter](https://top10k.com/tool/year-to-week): Converts a number of years to the equivalent number of weeks. Uses the Julian year definition of 365.25 days, giving approximately 52.178571 weeks per year. ## Finance Tools (341) - [401(k) Calculator](https://top10k.com/tool/401k-calculator): Projects 401(k) retirement balance growth over time based on contributions, employer match, annual return, and years to retirement. - [Accelerator Commission Calculator](https://top10k.com/tool/accelerator-commission): Calculate tiered sales commission with accelerator rates above quota — base rate below quota, accelerator rate above it. - [Accrued Interest Bond Calculator](https://top10k.com/tool/accrued-interest-bond): Calculates accrued interest, clean price, and dirty settlement price on bonds using Actual/Actual ICMA, US 30/360, Actual/360, and Actual/365 conventions. - [Accumulated Depreciation Calculator](https://top10k.com/tool/accumulated-depreciation): Calculates accumulated depreciation and book value over an asset's life using straight-line, declining balance, or sum-of-years-digits methods, with a full year-by-year schedule. - [User Activation Rate Calculator](https://top10k.com/tool/activation-rate-calc) - [Allowance For Doubtful Accounts Calculator](https://top10k.com/tool/allowance-for-doubtful) - [Amortization Calculator](https://top10k.com/tool/amortization-calculator): Calculates loan amortization schedule showing monthly payments, principal, interest breakdown, and total costs over the full loan term with a printable payment table. - [Amortization of Intangibles Calculator](https://top10k.com/tool/amortization-of-intangibles) - [Annual Cost of Habit Calculator](https://top10k.com/tool/annual-cost-of-habit): Calculate the true yearly and multi-year cost of a recurring habit — coffee, cigarettes, subscriptions, takeout — to reveal long-term financial impact. - [Annuity Calculator](https://top10k.com/tool/annuity-calculator): Calculates present value, future value, and periodic payment for ordinary annuities and annuities due. - [ARPU Calculator](https://top10k.com/tool/arpu-calculator) - [ARR Calculator](https://top10k.com/tool/arr-calculator): Calculate Annual Recurring Revenue (ARR) from MRR or individual subscription data for SaaS businesses. - [Asset Turnover Ratio Calculator](https://top10k.com/tool/asset-turnover-ratio): Calculate the asset turnover ratio (Net Revenue / Average Total Assets) to measure how efficiently a company uses its assets to generate revenue. - [Australia Capital Gains Tax Calculator](https://top10k.com/tool/australia-capital-gains-tax): Calculates Australian CGT liability including the 50% CGT discount for assets held over 12 months, with marginal tax rate table. - [Australia Corporate Tax Calculator](https://top10k.com/tool/australia-corporate-tax): Calculates Australian corporate income tax liability using the standard 30% rate (or 25% base rate for small business entities) on taxable income. - [Australia Income Tax Calculator](https://top10k.com/tool/australia-income-tax-calculator): Calculates Australian income tax for 2024-25 FY using ATO tax brackets, Medicare Levy, and shows take-home pay breakdown. - [Australia Mortgage Calculator](https://top10k.com/tool/australia-mortgage-calculator): A client-side mortgage repayment calculator for Australian home loans. Enter the loan amount, interest rate, loan term, and repayment frequency to get your repayment amount, total interest, and tot… - [Australia VAT Calculator](https://top10k.com/tool/australia-vat-calculator): Calculates Australian GST (10%) — add GST to a net price or extract GST from a GST-inclusive price. - [Austria Capital Gains Tax Calculator](https://top10k.com/tool/austria-capital-gains-tax): Calculates Austrian capital gains tax (Kapitalertragsteuer / KESt) on investment profits, applying the 27.5% flat rate on stocks and funds and 25% on bank interest. - [Austria Corporate Tax Calculator](https://top10k.com/tool/austria-corporate-tax): Calculates Austrian corporate income tax (Körperschaftsteuer, KöSt) at the standard 25% rate (23% from 2024) for companies operating in Austria. - [Austria Mortgage Calculator](https://top10k.com/tool/austria-mortgage-calculator): Calculate monthly mortgage payments for an Austrian home loan in euros. Enter property price, down payment, interest rate, and loan term to see the monthly payment, total interest, one-time purchas… - [Auto Loan Calculator](https://top10k.com/tool/auto-loan-calculator) - [Average Deal Size Calculator](https://top10k.com/tool/average-deal-size) - [Bad Debt Expense Calculator](https://top10k.com/tool/bad-debt-expense): Calculate bad debt expense using the percentage of sales method or the percentage of receivables (aging) method. Compare both approaches side by side. - [Belgium Capital Gains Tax Calculator](https://top10k.com/tool/belgium-capital-gains-tax): Calculates Belgian capital gains tax on stocks, real estate, and other assets. Belgium generally exempts long-term private capital gains but taxes speculative and professional gains. - [Belgium Corporate Tax Calculator](https://top10k.com/tool/belgium-corporate-tax): Calculates Belgian corporate income tax using the standard 25% rate and the reduced 20% rate for qualifying SMEs on the first €100,000 of taxable profit. - [Belgium Mortgage Calculator](https://top10k.com/tool/belgium-mortgage-calculator): Calculate monthly and annual mortgage payments for a Belgian property purchase in EUR, using the fixed-rate annuity amortization Belgian lenders typically quote. - [Beta Coefficient Calculator](https://top10k.com/tool/beta-coefficient-calculator): Calculate the beta coefficient (systematic risk) of a stock by entering paired return data for the stock and market index. Computes covariance of stock returns vs. market returns divided by varianc… - [Bill Split By Percentage](https://top10k.com/tool/bill-split-by-percentage): Splits a bill among multiple people by custom percentages rather than equally. Assign each person a percentage share and see exactly what they owe. - [Black-Scholes Option Price Calculator](https://top10k.com/tool/black-scholes-calculator): Calculates European call and put option prices using the Black-Scholes model. Enter stock price, strike price, time to expiry, volatility, and risk-free rate. - [Bond Convexity Calculator](https://top10k.com/tool/bond-convexity): Calculates bond convexity and modified duration to measure price sensitivity to interest rate changes. - [Bond Duration Calculator](https://top10k.com/tool/bond-duration-calculator): Calculate Macaulay duration and modified duration of a bond given coupon rate, face value, yield to maturity, and years to maturity. - [Bond Equivalent Yield Calculator](https://top10k.com/tool/bond-equivalent-yield): Calculate the bond equivalent yield (BEY) from a discount yield or zero-coupon bond price, annualizing the return to a 365-day basis for easy comparison with coupon bonds. - [Bond Price Calculator](https://top10k.com/tool/bond-price-calculator): Calculates the present value (price) of a bond given face value, coupon rate, market yield, and periods to maturity. - [Bond Price Calculator](https://top10k.com/tool/bond-price-calculator-detail): Calculate the present value (price) of a bond from coupon rate, yield to maturity, face value, and years to maturity, with a full cash-flow schedule. - [Bond Yield Calculator](https://top10k.com/tool/bond-yield-calculator): Calculate the yield to maturity (YTM) and current yield of a bond given its face value, coupon rate, current market price, and years to maturity. - [Book Value Calculator](https://top10k.com/tool/book-value-calculator): Calculates the book value of an asset or company by subtracting accumulated depreciation and liabilities from total assets. - [Brazil Capital Gains Tax Calculator](https://top10k.com/tool/brazil-capital-gains-tax): Calculates Brazilian IRPF capital gains tax on asset sales using the four progressive brackets (15%/17.5%/20%/22.5% based on gain size) per Brazilian tax law. - [Brazil Corporate Tax Calculator](https://top10k.com/tool/brazil-corporate-tax): Calculates Brazilian corporate income tax including IRPJ (15% + 10% surtax) and CSLL (9%) on taxable profit for companies. - [Brazil Mortgage Calculator](https://top10k.com/tool/brazil-mortgage-calculator): Calculate mortgage payments for a home loan in Brazil. Enter the home price in Brazilian reais, down payment, fixed interest rate, term, and amortization system (Price or SAC) to get the monthly pa… - [Break-Even Calculator](https://top10k.com/tool/break-even-calculator): Calculate your break-even point in units and revenue, contribution margin per unit, and see a profit/loss chart across unit ranges. - [Bulk Buy Savings Calculator](https://top10k.com/tool/bulk-buy-savings) - [Burn Rate Calculator](https://top10k.com/tool/burn-rate-calculator): Calculate monthly gross and net burn rate for startups, plus runway in months based on current cash balance. - [CAC Payback Period Calculator](https://top10k.com/tool/cac-payback-period): Calculates the months needed to recover the Customer Acquisition Cost (CAC) from gross margin, given CAC, average monthly revenue per customer, and gross margin percentage — a key SaaS efficiency m… - [CAGR Calculator](https://top10k.com/tool/cagr-calculator): Calculate the Compound Annual Growth Rate (CAGR) between a beginning value and an ending value over a specified number of years. Also shows year-by-year growth projections. - [Canada Capital Gains Tax Calculator](https://top10k.com/tool/canada-capital-gains-tax): Calculates Canadian capital gains tax owing based on province, income, gain amount, and inclusion rate. - [Canada Corporate Tax Calculator](https://top10k.com/tool/canada-corporate-tax): Calculates Canadian federal and provincial corporate income tax for 2024 using the general rate (15%) and small business deduction (9%) thresholds. - [Canada Income Tax Calculator](https://top10k.com/tool/canada-income-tax-calculator): Estimates Canadian federal income tax for 2024 using the 5-bracket progressive tax system plus CPP and EI deductions, with provincial tax note. - [Canada Mortgage Calculator](https://top10k.com/tool/canada-mortgage-calculator): Calculate Canadian mortgage payments using Canada's semi-annual compounding convention. Enter price, down payment, rate, and amortization to get the monthly payment, total interest, and total repaid. - [Canada VAT Calculator](https://top10k.com/tool/canada-vat-calculator): Calculates Canadian GST/HST/PST by province — enter the pre-tax amount, select your province, and get a breakdown of federal and provincial taxes plus total. - [Capital Gains Tax Calculator](https://top10k.com/tool/capital-gains-tax-calculator): Calculate estimated capital gains tax on the profit from selling an investment asset, with short-term vs long-term rate differentiation. - [CAPM Calculator](https://top10k.com/tool/capm-calculator): Calculate expected return on an asset using the Capital Asset Pricing Model: E(R) = Rf + β × (Rm − Rf). Instant results with step-by-step breakdown. - [Car Lease Monthly Payment Calculator](https://top10k.com/tool/car-lease-calculator): Calculate the monthly payment for a car lease based on vehicle price, residual value, money factor, and lease term. Includes depreciation fee, finance charge, and tax breakdown. - [Carry Trade Calculator](https://top10k.com/tool/carry-trade-calculator): Calculate the profit or loss from a forex carry trade — borrowing in a low-interest-rate currency and investing in a high-interest-rate currency — given position size, interest rate differential, h… - [Cashback Calculator](https://top10k.com/tool/cashback-calculator): Calculates cashback earned on purchases by rate, supports multi-category spending, and projects annual rewards for credit card or loyalty cashback programs. - [Commission Tier Calculator](https://top10k.com/tool/commission-tier-calculator) - [Compound Interest Calculator](https://top10k.com/tool/compound-interest-calculator): Calculate how an investment or savings account grows over time with compound interest. Enter your principal, rate, compounding frequency, and optional monthly contributions to see your future balan… - [Consumer Surplus Calculator](https://top10k.com/tool/consumer-surplus-calculator): Calculate consumer surplus, producer surplus, and total economic surplus from willingness-to-pay, market price, minimum supply price, and quantity. Visualizes supply and demand with shaded surplus … - [Cost Per Use Calculator](https://top10k.com/tool/cost-per-use-calculator): Calculate the true cost per use of any item. Divide the purchase price by the number of uses to see how much value you get from everyday purchases. - [Coupon Stacking Calculator](https://top10k.com/tool/coupon-stacking-calculator) - [Covered Call Calculator](https://top10k.com/tool/covered-call-calculator): Calculate maximum profit, maximum loss, and breakeven price for a covered call options strategy given stock price, strike price, and premium received. - [CPI Inflation Calculator](https://top10k.com/tool/cpi-inflation-calculator): Calculates the inflation-adjusted value of money between two years using CPI data, showing purchasing power changes over time. - [Credit Card Payoff Calculator](https://top10k.com/tool/credit-card-payoff-calculator): Find out exactly how long it will take to pay off your credit card balance, how much interest you will pay in total, and how much you can save by adding extra payments each month. - [Cross Elasticity of Demand Calculator](https://top10k.com/tool/cross-elasticity-calculator): Calculates the cross-price elasticity of demand between two goods, showing whether they are substitutes, complements, or independent. - [Crypto Profit Calculator](https://top10k.com/tool/crypto-profit-calculator): Calculate cryptocurrency trade profit or loss given buy price, sell price, quantity, and optional trading fees. Shows net profit, ROI percentage, and break-even price. - [Currency Converter](https://top10k.com/tool/currency): Convert between major world currencies with live exchange rates. Supports USD, EUR, GBP, JPY, CNY, KRW, AUD, CAD, SGD, and more. - [Currency Correlation Helper](https://top10k.com/tool/currency-correlation-helper): Manually enter price series for two forex pairs and compute the Pearson correlation coefficient to assess how closely the pairs move together. - [Currency Inflation Calculator](https://top10k.com/tool/currency-inflation-calculator): Calculates the inflation-adjusted value of money over time using a user-supplied or preset annual inflation rate. - [Current Ratio Calculator](https://top10k.com/tool/current-ratio-calculator): Calculates the current ratio (current assets divided by current liabilities) to assess a company's short-term liquidity and ability to meet near-term obligations. - [Current Yield Bond Calculator](https://top10k.com/tool/current-yield-bond): Calculates the current yield of a bond (annual coupon payment divided by current market price) and compares it to coupon rate. - [DCA Calculator (Dollar-Cost Averaging)](https://top10k.com/tool/dca-calculator): Calculates the projected portfolio value, total gains, and share accumulation for a dollar-cost averaging investment strategy, with a Chart.js growth visualization and year-by-year breakdown table. - [Debt Snowball Calculator](https://top10k.com/tool/debt-snowball-calculator): Plans debt payoff using the snowball method (smallest balance first), showing payoff order, timeline, and total interest compared to the avalanche method. - [Debt to Equity Ratio Calculator](https://top10k.com/tool/debt-to-equity-ratio): Calculates the debt-to-equity ratio from total liabilities and shareholders equity, with interpretation guidance on financial leverage and risk. - [Debt-to-Income Calculator](https://top10k.com/tool/debt-to-income-calculator): Calculates front-end and back-end debt-to-income ratios from monthly income and debt obligations, with mortgage qualification guidance. - [Declining Balance Depreciation Calculator](https://top10k.com/tool/declining-balance-depreciation): Calculate declining balance and double-declining balance depreciation schedules with a year-by-year book value table and chart. - [Denmark Capital Gains Tax Calculator](https://top10k.com/tool/denmark-capital-gains-tax): Calculates Danish tax on 2026 share income (aktieindkomst) using the progressive 27% and 42% brackets. - [Denmark Corporate Tax Calculator](https://top10k.com/tool/denmark-corporate-tax): Calculates Danish corporate income tax for 2026 using the flat 22% rate, with net income and effective rate breakdown for Danish businesses. - [Denmark Mortgage Calculator](https://top10k.com/tool/denmark-mortgage-calculator): Estimate monthly mortgage payments in Denmark (DKK) from property value, loan amount, bond interest rate, and term, including the bidrag (contribution fee) charged on top of the bond rate. - [Depreciation Calculator](https://top10k.com/tool/depreciation-calculator): Calculate asset depreciation schedules using straight-line, declining balance, or sum-of-years-digits methods with a full year-by-year table. - [Discount Calculator](https://top10k.com/tool/discount-calculator): Calculate sale price, savings amount, and final cost from any discount percentage. Supports stacked discounts and sales tax. - [Discount Impact on Margin Calculator](https://top10k.com/tool/discount-impact-on-margin): Calculate how a discount erodes your gross margin and how many extra units you must sell to maintain the same total gross profit. - [Dividend Reinvestment Calculator (DRIP)](https://top10k.com/tool/dividend-reinvestment-calculator): Calculate compound portfolio growth by reinvesting dividends over time — shows year-by-year table with shares, dividends, and total value. - [Dividend Yield Calculator](https://top10k.com/tool/dividend-yield-calculator): Calculates dividend yield percentage from annual dividend per share and stock price. - [Double Time Calculator](https://top10k.com/tool/double-time-calculator): Calculates double-time pay for overtime hours worked — computes earnings at 2x the regular hourly rate and shows total compensation breakdown. - [Maximum Drawdown Calculator](https://top10k.com/tool/drawdown-calculator): Calculate maximum drawdown, drawdown percentage, and recovery factor for a trading account or investment portfolio given peak and trough equity values. - [DuPont Analysis Calculator](https://top10k.com/tool/dupont-analysis-calculator): Breaks down Return on Equity (ROE) into its three components using the DuPont formula: net profit margin, asset turnover, and financial leverage. - [EBITDA Calculator](https://top10k.com/tool/ebitda-calculator): Calculate EBITDA, EBITDA margin, and EV/EBITDA multiple from income statement inputs. Useful for business valuation and financial analysis. - [Emergency Fund Calculator](https://top10k.com/tool/emergency-fund-calculator): Calculate how much money you need in your emergency fund based on monthly expenses and desired months of coverage. - [Exchange Rate Margin Calculator](https://top10k.com/tool/exchange-rate-margin-calculator): Calculate the markup or margin a currency exchange provider charges compared to the mid-market rate, revealing the true cost of a currency conversion. - [Expansion Revenue Calculator](https://top10k.com/tool/expansion-revenue-calc): Calculates SaaS Expansion MRR — additional recurring revenue from existing customers through upsells, cross-sells, and plan upgrades — and Net Revenue Retention (NRR) given starting MRR, churn, con… - [FICA Tax Calculator](https://top10k.com/tool/fica-tax-calculator): Calculate US FICA payroll tax withholding: 6.2% Social Security up to the annual wage base, 1.45% Medicare, plus 0.9% Additional Medicare Tax above $200,000, employee side only. - [FIFO Inventory Calculator](https://top10k.com/tool/fifo-inventory-calculator): Calculate cost of goods sold (COGS) and ending inventory value using the First-In First-Out (FIFO) accounting method. Add purchase lots and sales, then see per-unit cost, COGS, and remaining invent… - [FIRE Number Calculator](https://top10k.com/tool/fire-number-calculator): Calculates your Financial Independence / Retire Early (FIRE) number — the investment portfolio size needed to retire — using the 4% safe withdrawal rate rule. - [Fiscal Year Calculator](https://top10k.com/tool/fiscal-year-calculator) - [Forex Compounding Calculator](https://top10k.com/tool/forex-compounding): Calculates compound growth of a forex trading account over multiple periods given a starting balance and per-period return percentage. - [Forex Position Size Calculator](https://top10k.com/tool/forex-position-size): Calculates the correct forex lot size from account balance, risk percentage, and stop-loss pips, with standard, mini, and micro lot outputs. - [France Capital Gains Tax Calculator](https://top10k.com/tool/france-capital-gains-tax): Estimates French capital gains tax on asset sales: 30% PFU vs progressive scale for shares and crypto, plus property taper relief and social charges. - [France Corporate Tax Calculator](https://top10k.com/tool/france-corporate-tax): Calculates French corporate income tax (IS) for companies based on taxable profit, applying the standard 25% rate and reduced 15% SME rate where applicable. - [France Income Tax Calculator](https://top10k.com/tool/france-income-tax-calculator) - [France Mortgage Calculator](https://top10k.com/tool/france-mortgage-calculator): Calculate French mortgage (credit immobilier) monthly payments including assurance emprunteur borrower insurance and frais de notaire notary fees, with a year-by-year payment schedule. - [France VAT Calculator](https://top10k.com/tool/france-vat-calculator): Calculates French VAT (TVA) at standard 20%, reduced 10% or 5.5%, or super-reduced 2.1% rates — add or remove tax from any price. - [Future Value Calculator](https://top10k.com/tool/future-value-calculator): Calculates the future value of an investment or savings based on present value, interest rate, compounding frequency, and time period. - [Futures Profit Calculator](https://top10k.com/tool/futures-profit-calculator): Calculates profit or loss on a futures contract given entry price, exit price, contract size, and number of contracts. - [GDP Calculator](https://top10k.com/tool/gdp-calculator): Calculate Gross Domestic Product using the Expenditure approach (C+I+G+NX) and the Income approach. Enter each component to see a full breakdown table and GDP per capita when population is provided. - [GDP Deflator Calculator](https://top10k.com/tool/gdp-deflator-calculator): Calculate the GDP deflator from nominal and real GDP, or find real/nominal GDP given the deflator. Includes inflation rate between periods and a multi-year analysis table. - [Germany Capital Gains Tax Calculator](https://top10k.com/tool/germany-capital-gains-tax) - [Germany Corporate Tax Calculator](https://top10k.com/tool/germany-corporate-tax): Calculate German corporate tax liability including corporate income tax (15%), solidarity surcharge (5.5% of CIT), and trade tax (Gewerbesteuer) based on municipality multiplier. - [Germany Income Tax Calculator](https://top10k.com/tool/germany-income-tax-calculator): Estimates German income tax and solidarity surcharge from 2024 taxable income (zu versteuerndes Einkommen, zvE). - [Germany Mortgage Calculator](https://top10k.com/tool/germany-mortgage-calculator): Calculate monthly mortgage payments for a German home loan (Baufinanzierung). Enter the interest rate (Sollzins), initial repayment rate (Tilgung), and down payment (Eigenkapital) to see the monthl… - [Germany VAT Calculator](https://top10k.com/tool/germany-vat-calculator): Calculates German VAT (Mehrwertsteuer/MwSt) at 19% standard and 7% reduced rates — add or remove tax from a net or gross price. - [Gold Price by Weight Calculator](https://top10k.com/tool/gold-price-by-weight): Calculate the value of gold by weight using a user-supplied spot price. Supports grams, troy ounces, pennyweights, and tolas, with karat purity selection from 24K down to 8K. - [Gross Margin Ratio Calculator](https://top10k.com/tool/gross-margin-ratio): Calculate gross margin ratio (gross profit percentage) from revenue and cost of goods sold. Includes markup percentage and break-even revenue analysis. - [Gross Revenue Retention Calculator](https://top10k.com/tool/gross-revenue-retention): Calculates Gross Revenue Retention (GRR) — a SaaS metric showing the percentage of recurring revenue retained from existing customers, excluding expansions. - [Gross To Net Calculator](https://top10k.com/tool/gross-to-net-calculator): Calculates net pay from gross salary by subtracting configurable tax rate and deductions. - [Group Gift Splitter](https://top10k.com/tool/group-gift-splitter): Splits a group gift cost evenly or by custom amounts among contributors, showing each person's share and optional collection tracking. - [Happy Hour Savings Calculator](https://top10k.com/tool/happy-hour-savings): Calculate how much you save during happy hour versus regular pricing, including per-drink savings, total savings for a group, and annual savings if you go regularly. - [Hourly to Salary Calculator](https://top10k.com/tool/hourly-to-salary-calculator): Converts an hourly wage to annual, monthly, biweekly, and weekly salary figures based on hours worked per week. - [Implied Volatility Calculator](https://top10k.com/tool/implied-volatility-calc): Calculates the implied volatility of a call or put option by numerically solving the Black-Scholes pricing formula (Newton-Raphson iteration) given the observed market price, stock price, strike, t… - [Income Elasticity of Demand Calculator](https://top10k.com/tool/income-elasticity-calculator): Calculates income elasticity of demand (YED = % change in quantity demanded / % change in income). Accepts either percentage changes directly or before/after values for both quantity and income. Di… - [India Capital Gains Tax Calculator](https://top10k.com/tool/india-capital-gains-tax): Calculates Indian capital gains tax (LTCG/STCG) on equities, mutual funds, and real estate, applying current FY2024-25 tax rates and exemption thresholds. - [India Corporate Tax Calculator](https://top10k.com/tool/india-corporate-tax): Calculates India corporate income tax liability based on company type (domestic/foreign), turnover, and applicable surcharges under the Income Tax Act. - [India Income Tax Calculator](https://top10k.com/tool/india-income-tax-calculator): Estimates Indian income tax liability under both the new (default, FY2024-25) and old tax regime slab rates for a given gross annual income. - [India Mortgage Calculator](https://top10k.com/tool/india-mortgage-calculator): Calculate your India home loan EMI, total interest, and total repayment amount from loan amount, interest rate, and tenure. - [India VAT Calculator](https://top10k.com/tool/india-vat-calculator): Calculate GST/VAT amounts and totals for India's standard tax rates (5%, 12%, 18%, 28%) on goods and services. Add or remove tax from any price instantly. - [Indonesia Capital Gains Tax Calculator](https://top10k.com/tool/indonesia-capital-gains-tax): Estimates capital gains tax in Indonesia on asset sales, covering the flat 2.5% final tax on land/buildings and 0.1% on listed shares. - [Indonesia Corporate Tax Calculator](https://top10k.com/tool/indonesia-corporate-tax): Calculates Indonesia corporate income tax at 22%, or 19% for qualifying IDX-listed companies receiving the 3-point reduction. - [Indonesia Income Tax Calculator](https://top10k.com/tool/indonesia-income-tax-calculator) - [Indonesia Mortgage Calculator](https://top10k.com/tool/indonesia-mortgage-calculator): Calculate your Indonesia home loan (KPR) monthly installment, total interest, and total repayment from loan amount, interest rate, and tenure. - [Indonesia VAT Calculator](https://top10k.com/tool/indonesia-vat-calculator): Calculates Indonesian Value-Added Tax (PPN) at the standard 12% rate (or 11% prior rate), computing tax amount, gross price (inclusive), and net price (exclusive) from any starting value. - [Inflation Calculator](https://top10k.com/tool/inflation-calculator): Project the future equivalent purchasing power of money given an annual inflation rate, or find what a past dollar amount is worth in today's dollars. - [Interest Coverage Ratio Calculator](https://top10k.com/tool/interest-coverage-ratio): Calculates the interest coverage ratio (ICR = EBIT / Interest Expense) to show how easily a company can pay its interest obligations, with an interpretation guide. - [Option Intrinsic Value Calculator](https://top10k.com/tool/intrinsic-value-option): Calculates the intrinsic value of call and put options — max(0, S-K) for calls, max(0, K-S) for puts — and shows time value given the option market price, plus ITM/ATM/OTM status. - [Inventory Days Calculator](https://top10k.com/tool/inventory-days-calculator): Calculates Days Sales of Inventory (DSI), inventory turnover ratio, and related supply chain metrics for business and financial analysis. - [Investment Calculator](https://top10k.com/tool/investment-calculator): Calculate the future value of an investment with compound interest, optional regular contributions, and inflation adjustment to see real purchasing power over time. - [Ireland Capital Gains Tax Calculator](https://top10k.com/tool/ireland-capital-gains-tax): Calculates Irish CGT liability on asset disposals — applies 33% standard CGT rate, deducts the €1,270 annual exemption, and handles the entrepreneur relief 10% rate; shows net gain, tax due, and pr… - [Ireland Corporate Tax Calculator](https://top10k.com/tool/ireland-corporate-tax): Calculates Irish corporation tax liability — applies the 12.5% trading rate on active income and 25% on passive/non-trading income, shows effective rate, and covers the OECD Pillar Two 15% minimum … - [Ireland Income Tax Calculator](https://top10k.com/tool/ireland-income-tax-calculator): Estimates Irish PAYE income tax, USC, and PRSI for 2024 given gross annual salary and marital status. - [Ireland Mortgage Calculator](https://top10k.com/tool/ireland-mortgage-calculator): Calculate Irish mortgage monthly repayments, total interest, and a year-by-year amortization schedule from property price, deposit, interest rate, and term. - [Ireland VAT Calculator](https://top10k.com/tool/ireland-vat-calculator): Adds or removes Irish VAT at the standard rate (23%), reduced rate (13.5%), or second reduced rate (9%) for quick price calculations. - [Iron Condor Calculator](https://top10k.com/tool/iron-condor-calculator): Calculates the maximum profit, maximum loss, breakeven prices, and profit/loss zones for an iron condor options strategy given the four strike prices and premiums collected. - [IRR Calculator (Internal Rate of Return)](https://top10k.com/tool/irr-calculator): Calculate the Internal Rate of Return for a series of cash flows using numerical iteration (Newton-Raphson). Enter an initial investment and future cash flows to find the discount rate at which NPV… - [Italy Capital Gains Tax Calculator](https://top10k.com/tool/italy-capital-gains-tax): Estimates Italian capital gains tax on investments using the standard 26% substitutive tax rate on qualifying gains from shares and financial instruments. - [Italy Corporate Tax Calculator](https://top10k.com/tool/italy-corporate-tax): Calculates Italian corporate income tax (IRES) at 24% plus regional IRAP at 3.9% on taxable business profit, with a full breakdown of each component. - [Italy Income Tax Calculator](https://top10k.com/tool/italy-income-tax-calculator): Estimates Italian IRPEF income tax based on gross annual income using official tax brackets. - [Italy Mortgage Calculator](https://top10k.com/tool/italy-mortgage-calculator): Calculate an Italian mortgage (mutuo) monthly payment, total interest, and a year-by-year amortization schedule from the loan amount, TAN interest rate, and term in years. - [Italy VAT Calculator](https://top10k.com/tool/italy-vat-calculator): Calculates Italian VAT (IVA) at standard 22%, reduced 10%, 5%, and super-reduced 4% rates — add or remove tax from any price. - [Japan Capital Gains Tax Calculator](https://top10k.com/tool/japan-capital-gains-tax): Estimates Japanese capital gains tax on stocks and real estate, applying the 20.315% flat rate (15% national + 5% local + 0.315% reconstruction) for listed securities and progressive rates for real… - [Japan Corporate Tax Calculator](https://top10k.com/tool/japan-corporate-tax): Calculates Japanese corporate income tax liability based on taxable income, applying the national and local corporate tax rates for Japan. - [Japan Income Tax Calculator](https://top10k.com/tool/japan-income-tax-calculator): Estimates Japanese national income tax and a simplified standard-rate residence tax from annual income using 2024 rules. - [Japan Mortgage Calculator](https://top10k.com/tool/japan-mortgage-calculator): A client-side mortgage repayment calculator for Japan home loans. Enter the loan principal in yen, the annual interest rate, and the loan term to get your monthly repayment, total interest, and a y… - [Japan VAT (Consumption Tax) Calculator](https://top10k.com/tool/japan-vat-calculator): Calculate Japan consumption tax (shouhizei) at the standard 10% or reduced 8% rate. Add tax to a net price or extract it from a tax-inclusive amount. - [Life Insurance Needs Calculator](https://top10k.com/tool/life-insurance-needs-calculator): Estimates how much life insurance coverage you need using the DIME method (Debt + Income replacement + Mortgage + Education). Enter your income, debts, mortgage, education costs, and existing asset… - [Loan Calculator](https://top10k.com/tool/loan-calculator): Calculate monthly loan payments, total interest, and a full year-by-year amortization schedule for any personal, auto, or installment loan. - [Forex Lot Size Calculator](https://top10k.com/tool/lot-size-calculator-forex): Calculates the correct forex lot size (standard, mini, micro) based on account balance, risk percentage, stop loss in pips, and currency pair pip value to enforce proper risk management. - [LTV to CAC Ratio Calculator](https://top10k.com/tool/ltv-to-cac-ratio): Calculates the LTV:CAC ratio for SaaS businesses — computes customer lifetime value, customer acquisition cost, and their ratio to assess unit economics health. - [Lump Sum Calculator](https://top10k.com/tool/lump-sum-calculator): Calculate the future value of a one-time lump sum investment using compound interest. See year-by-year growth, total interest earned, and a visual breakdown. - [Macaulay Duration Calculator](https://top10k.com/tool/macaulay-duration): Calculates the Macaulay duration and modified duration of a bond from coupon rate, face value, yield to maturity, and periods to maturity — measures interest rate sensitivity. - [MACRS Depreciation Helper](https://top10k.com/tool/macrs-depreciation-helper): Calculates Modified Accelerated Cost Recovery System (MACRS) depreciation schedules for US tax purposes. - [Malaysia Capital Gains Tax Calculator](https://top10k.com/tool/malaysia-capital-gains-tax): Calculates Malaysia capital gains tax on property (RPGT rates vary by holding period and resident/non-resident status) and the new CGT on shares/unlisted securities introduced in 2024. - [Malaysia Corporate Tax Calculator](https://top10k.com/tool/malaysia-corporate-tax): Calculates Malaysia corporate income tax liability based on taxable income, with rates for small and medium enterprises vs standard companies. - [Malaysia Income Tax Calculator](https://top10k.com/tool/malaysia-income-tax-calculator): Calculates Malaysia personal income tax (YA 2024 brackets) for tax residents, showing chargeable income, tax payable by bracket, effective rate, and monthly take-home estimate. - [Malaysia Mortgage Calculator](https://top10k.com/tool/malaysia-mortgage-calculator): Calculate your Malaysia home loan monthly installment, total interest, and a year-by-year amortization summary from loan amount, interest rate, and tenure. - [Malaysia VAT Calculator](https://top10k.com/tool/malaysia-vat-calculator): Calculates Malaysian Sales and Service Tax (SST) — adds or strips 10% sales tax, standard 8% service tax, or specified 6% service tax. - [Margin Call Calculator](https://top10k.com/tool/margin-call-calculator) - [Margin Required Forex](https://top10k.com/tool/margin-required-forex): Calculates the required margin for a forex trade given lot size, leverage, currency pair, and account currency. - [Marginal Cost Calculator](https://top10k.com/tool/marginal-cost-calculator): Calculate marginal cost (change in total cost divided by change in quantity produced) — a key economics concept for production and pricing decisions. - [Marginal Revenue Calculator](https://top10k.com/tool/marginal-revenue-calculator): Calculate marginal revenue (MR = change in total revenue / change in quantity) and display a demand schedule table showing TR, MR, and average revenue at multiple price-quantity points. - [Marginal Utility Calculator](https://top10k.com/tool/marginal-utility-calculator): Compute marginal utility and total utility from a table of quantity and total utility values, illustrating the law of diminishing marginal utility. - [Markup Calculator](https://top10k.com/tool/markup-calculator): Calculate selling price from cost plus a markup percentage, or derive the markup percentage from a known cost and selling price. 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Enter the home price in Mexican pesos, down payment, fixed interest rate, and loan term to get the monthly payment, total interest, and total … - [Minimum Payment Calculator](https://top10k.com/tool/minimum-payment-calculator): Shows how long it takes to pay off a credit card balance with minimum payments and total interest paid. - [Crypto Mining Profit Calculator](https://top10k.com/tool/mining-profit-calculator): Calculate estimated daily, monthly, and annual crypto mining profit given hash rate, power consumption, electricity cost, and coin price. - [Modified Duration Calculator](https://top10k.com/tool/modified-duration): Calculates the modified duration of a bond to measure its price sensitivity to interest rate changes. - [Mortgage Affordability Calculator](https://top10k.com/tool/mortgage-affordability-calculator): Estimates maximum home price and monthly payment based on gross income, monthly debts, down payment, interest rate, and loan term using debt-to-income rules. - [Mortgage Calculator](https://top10k.com/tool/mortgage-calculator): Calculate monthly mortgage payment, total interest paid, and full amortization breakdown for any home loan. - [Mortgage Payoff Calculator](https://top10k.com/tool/mortgage-payoff-calculator): Shows how extra monthly or lump-sum payments reduce a mortgage's payoff date and total interest paid. - [Mortgage Refinance Calculator](https://top10k.com/tool/mortgage-refinance-calculator): Calculates monthly savings, break-even point, and total interest saved when refinancing a mortgage at a new rate. - [Mortgage vs Rent Calculator](https://top10k.com/tool/mortgage-vs-rent-move): Compares the total financial cost of buying vs renting a home over a specified time horizon, including equity built, opportunity cost of down payment, and break-even year. - [MRR Calculator](https://top10k.com/tool/mrr-calculator): Calculates Monthly Recurring Revenue (MRR) from number of customers and average revenue per account, plus ARR, ARPA, and growth projections. - [Net Revenue Retention Calculator](https://top10k.com/tool/net-revenue-retention): Calculates Net Revenue Retention (NRR) for SaaS companies — measures how much recurring revenue is retained from existing customers including expansions, contractions, and churn. - [Personal & Family Net Worth Calculator](https://top10k.com/tool/net-worth-calculator): Calculate your personal net worth by summing all assets and subtracting all liabilities. Categorize cash, investments, real estate, and debt to get a clear financial snapshot. - [Netherlands Capital Gains Tax Calculator](https://top10k.com/tool/netherlands-capital-gains-tax): Estimates Dutch Box 3 wealth tax on investment assets based on the fictitious yield system used in the Netherlands. - [Netherlands Corporate Tax Calculator](https://top10k.com/tool/netherlands-corporate-tax): Calculates Dutch vennootschapsbelasting (Vpb) corporate income tax for a given profit using the current two-tier bracket rates: 19% up to €200,000 and 25.8% above. - [Netherlands Income Tax Calculator](https://top10k.com/tool/netherlands-income-tax-calculator): Estimates Dutch personal income tax (inkomstenbelasting) for Box 1 employment income using the 2024 two-bracket system, plus general and labour tax credits. - [Netherlands Mortgage Calculator](https://top10k.com/tool/netherlands-mortgage-calculator): Calculate Dutch mortgage monthly payments, total interest, and an amortization summary from property price, deposit, interest rate, and term, using annuity or linear repayment. - [Netherlands VAT Calculator](https://top10k.com/tool/netherlands-vat-calculator): Calculates VAT (BTW) for the Netherlands at standard 21% and reduced 9% rates, supporting add/remove VAT and invoice breakdown. - [New Zealand Capital Gains Tax (Bright-Line Test)](https://top10k.com/tool/new-zealand-capital-gains-tax) - [New Zealand Corporate Tax Calculator](https://top10k.com/tool/new-zealand-corporate-tax): Calculates New Zealand company income tax liability at the flat 28% rate, with taxable income breakdown, tax payable, and after-tax profit. - [New Zealand Income Tax Calculator](https://top10k.com/tool/new-zealand-income-tax-calculator): Calculates New Zealand PAYE income tax, ACC earner levy, and net take-home pay for a given annual salary using current NZ tax brackets. - [New Zealand Mortgage Calculator](https://top10k.com/tool/new-zealand-mortgage-calculator): A client-side mortgage repayment calculator for New Zealand home loans. 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Supports up to 20 periods with an optional initial investment. - [Operating Margin Calculator](https://top10k.com/tool/operating-margin-calculator): Calculate operating margin (EBIT / revenue) and related profitability metrics from revenue and operating expenses. Understand how much of each sales dollar becomes operating profit. - [Option Breakeven Calculator](https://top10k.com/tool/option-breakeven-calc): Calculates the breakeven price, max profit, max loss, and risk/reward ratio for long call and long put options at expiration. - [Option Delta Calculator (Black-Scholes)](https://top10k.com/tool/option-delta-calculator): Calculates the delta of a European call or put option using the Black-Scholes model, plus gamma, theta, vega, and rho. Enter stock price, strike, time to expiry, volatility, and risk-free rate. - [Option Gamma Calculator](https://top10k.com/tool/option-gamma-calculator): Calculates gamma of a European call or put option using the Black-Scholes model. Enter stock price, strike price, time to expiration, risk-free rate, and implied volatility to get gamma — the rate … - [Option Rho Calculator](https://top10k.com/tool/option-rho-calculator): Calculates the rho Greek for call and put options using the Black-Scholes model, showing sensitivity of option price to interest rate changes. - [Option Theta Calculator](https://top10k.com/tool/option-theta-calculator): Calculates the theta (time decay) of a stock option using the Black-Scholes model, showing daily dollar decay per contract for calls and puts given stock price, strike, volatility, rate, and days t… - [Option Vega Calculator](https://top10k.com/tool/option-vega-calculator): Calculates the vega of European stock options using the Black-Scholes model. Vega measures how much an option price changes for a 1% move in implied volatility. - [Options Profit Calculator](https://top10k.com/tool/options-profit-calculator): Calculate profit or loss for long and short call and put options at expiration given the strike price, premium, number of contracts, and stock price at expiration. - [Overtime Pay Calculator](https://top10k.com/tool/overtime-pay-calc-hr) - [Overtime Pay Calculator](https://top10k.com/tool/overtime-pay-calculator) - [Payables Turnover Calculator](https://top10k.com/tool/payables-turnover): Calculates the accounts payable turnover ratio and days payable outstanding (DPO), showing how efficiently a company pays its suppliers relative to credit purchases. - [Payback Period Calculator](https://top10k.com/tool/payback-period-calculator): Calculate how many years it takes to recover an initial investment from annual cash flows. Supports both simple payback and discounted payback period with variable year-by-year cash flows. - [Paycheck Take-Home Calculator](https://top10k.com/tool/paycheck-take-home-calculator): Estimate your net take-home pay from a gross annual salary using 2024 US federal tax brackets, FICA taxes, and simplified state income tax rates. See a full breakdown by federal tax, Social Securit… - [Personal Loan Calculator](https://top10k.com/tool/personal-loan-calculator): Calculate monthly payments, total interest, and a full amortization schedule for a personal loan. Compare loan terms and see a month-by-month repayment breakdown. - [Philippines Capital Gains Tax Calculator](https://top10k.com/tool/philippines-capital-gains-tax): Calculates capital gains tax in the Philippines on real property (6% on the higher of selling price or zonal value) and shares of stock (15% on net gain), per BIR rules. - [Philippines Corporate Tax Calculator](https://top10k.com/tool/philippines-corporate-tax): Calculates Philippines corporate income tax using the CREATE Act rates — 25% regular rate for large corporations, 20% for domestic corporations with net taxable income up to PHP 5 million and total… - [Philippines Income Tax Calculator](https://top10k.com/tool/philippines-income-tax-calculator): Calculates Philippine annual income tax using the TRAIN Law 2023 graduated tax table for compensation income (employees), with SSS, PhilHealth, and Pag-IBIG deductions. - [Philippines Mortgage Calculator](https://top10k.com/tool/philippines-mortgage-calculator): Calculate Philippines home loan monthly amortization, total interest, and a year-by-year repayment schedule from property price, down payment, interest rate, and loan term. - [Philippines VAT Calculator](https://top10k.com/tool/philippines-vat-calculator): Calculates Philippine Value Added Tax (VAT) at the standard 12% rate — add VAT to a net price, remove VAT from a gross price, or break any amount into net, VAT, and gross components. - [Pip Value Calculator](https://top10k.com/tool/pip-value-calculator): Calculate the value of one pip for any forex currency pair, lot size, and account currency. 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Switch to selling-price mode to find the price needed to hit a target margin. - [PTO Accrual Calculator](https://top10k.com/tool/pto-accrual-calculator): Calculates accrued paid time off balance based on accrual rate, pay period frequency, hours worked, and days already used. - [Put-Call Parity Calculator](https://top10k.com/tool/put-call-parity) - [Quick Ratio Calculator](https://top10k.com/tool/quick-ratio-calculator): Calculate the quick ratio (acid-test ratio) — (Cash + Short-term Investments + Receivables) / Current Liabilities — to measure a company's ability to meet short-term obligations without liquidating… - [SaaS Quick Ratio Calculator](https://top10k.com/tool/quick-ratio-saas): Calculate SaaS Quick Ratio: (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR). Measures growth efficiency — how much new revenue you generate per dollar lost. A ratio above 4 signals heal… - [Quota to OTE Calculator](https://top10k.com/tool/quota-to-ote): Calculate sales On-Target Earnings (OTE) from quota, commission rate, base salary, and attainment percentage. Shows commission at quota, multiple attainment tiers, and the base-to-variable pay spli… - [Real vs Nominal Calculator](https://top10k.com/tool/real-vs-nominal-calculator): Converts between real and nominal values using inflation rate — adjusts nominal GDP, income, or prices to real terms and vice versa. - [Receivables Turnover Calculator](https://top10k.com/tool/receivables-turnover): Calculates accounts receivable turnover ratio and days sales outstanding (DSO) to measure how efficiently a business collects on credit sales. - [Renewal Rate Calculator](https://top10k.com/tool/renewal-rate-calc) - [Rent Split by Room Calculator](https://top10k.com/tool/rent-split-by-room): Calculates fair rent splits among roommates based on room size (sq ft), amenities (private bathroom, closet size, natural light), and equal-share adjustments. - [Rent vs. Buy Calculator](https://top10k.com/tool/rent-vs-buy-calculator): Compares the total cost of renting versus buying a home over a specified time horizon, accounting for mortgage payments, appreciation, opportunity cost, and ongoing expenses. - [Restaurant Tax & Tip Calculator](https://top10k.com/tool/restaurant-tax-tip): Calculate meal subtotal, tax amount, tip amount, and total bill with optional per-person split. Enter the bill, tax rate, tip percentage, and number of diners. - [Retirement Calculator](https://top10k.com/tool/retirement-calculator): Estimates how much you will have saved at retirement based on current savings, monthly contributions, expected return rate, and years to retirement. - [Return On Assets Calculator](https://top10k.com/tool/return-on-assets-calculator): Calculates ROA = Net Income / Total Assets (expressed as a percentage) to measure how efficiently a company uses its assets to generate profit. - [Revenue Churn Calculator](https://top10k.com/tool/revenue-churn-calculator): Calculates monthly and annual revenue churn rate from lost MRR data for SaaS businesses. - [Risk Reward Ratio Calculator](https://top10k.com/tool/risk-reward-ratio): Calculates the risk/reward ratio of a trade from entry price, stop loss, and take profit, plus the break-even win rate and expected value per trade. - [Road Trip Split Calculator](https://top10k.com/tool/road-trip-split-calculator): Splits road trip costs (fuel, tolls, parking, food) evenly or by distance driven among multiple passengers, showing each person's share. - [ROI Calculator](https://top10k.com/tool/roi-calculator): Calculate return on investment (ROI %) and net profit from any initial investment and final value. Enter a holding period in years to also see the annualized return (CAGR) and investment multiple. - [Roth IRA Calculator](https://top10k.com/tool/roth-ira-calculator): Projects Roth IRA growth over time based on annual contribution, current balance, expected return rate, and years to retirement. - [Rule of 40 Calculator](https://top10k.com/tool/rule-of-40-calculator): Calculates the SaaS Rule of 40 score by adding revenue growth rate (%) and profit margin (%) — scores above 40 indicate a healthy, balanced SaaS business. - [Rule of 72 Calculator](https://top10k.com/tool/rule-of-72-calculator): Estimates how many years it takes an investment to double at a given annual interest rate using the Rule of 72 (years = 72 / rate); also calculates required rate to double in N years. - [Startup Runway Calculator](https://top10k.com/tool/runway-calculator): Calculate how many months of runway your startup has left based on current cash balance and monthly burn rate. See your zero-cash date and break-even target instantly. - [Salary Proration Calculator](https://top10k.com/tool/salary-proration-calculator): Calculates prorated salary for a partial pay period based on start/end dates, annual salary, and working days convention. - [Salary To Hourly Calculator](https://top10k.com/tool/salary-to-hourly-calculator) - [Sales Quota Attainment Calculator](https://top10k.com/tool/sales-quota-attainment): Calculates sales quota attainment percentage, tracks progress toward quota, and shows how much revenue remains to hit target or overachieve. - [Sales Tax Calculator](https://top10k.com/tool/sales-tax-calculator): Calculate sales tax for any U.S. state, VAT for EU countries, or any custom tax rate. Add tax to or remove tax from a price. - [Sales Velocity Calculator](https://top10k.com/tool/sales-velocity-calc) - [Savings Calculator](https://top10k.com/tool/savings-calculator): Calculates future savings balance with compound interest based on principal, rate, and time. - [Savings Goal Calculator](https://top10k.com/tool/savings-goal-calculator): Calculate the monthly contribution needed to reach a savings goal by a target date, or find how long it will take to reach your goal given a fixed monthly deposit — factoring in starting balance an… - [Scrap Gold Value Calculator](https://top10k.com/tool/scrap-gold-value): Calculate the melt or scrap value of gold jewelry by entering weight, karat (8K–24K), and a live or custom spot price per troy ounce. 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This tool explains the rules, calculates stamp duty on property transactions, and estimates income tax when trading profits may be reclassified as ordinary income. - [Singapore Corporate Tax Calculator](https://top10k.com/tool/singapore-corporate-tax): Calculates Singapore corporate income tax liability including the partial tax exemption scheme for new startups and existing companies. - [Singapore Income Tax Calculator](https://top10k.com/tool/singapore-income-tax-calculator): Calculates Singapore personal income tax using the official YA2024 progressive resident tax rates, showing the tax breakdown by bracket. - [Singapore Mortgage Calculator](https://top10k.com/tool/singapore-mortgage-calculator): A client-side mortgage repayment calculator for Singapore home loans. 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Enter your monthly contribution, expected annual return, and investment duration to see your total invested amount, estimated retur… - [South Africa Capital Gains Tax Calculator](https://top10k.com/tool/south-africa-capital-gains-tax): Calculates South African capital gains tax (CGT) for individuals and companies, applying the correct inclusion rate (40% individual / 80% company) and the annual exclusion (R40,000 for individuals). - [South Africa Corporate Tax Calculator](https://top10k.com/tool/south-africa-corporate-tax): Calculates South African corporate income tax using the flat 27% rate (2024–25), with a breakdown of taxable income, provisional tax, and effective rate for companies registered in South Africa. - [South Africa Income Tax Calculator](https://top10k.com/tool/south-africa-income-tax-calculator): Calculates South African personal income tax using SARS tax brackets and rebates for the 2024/2025 tax year; shows tax payable, effective rate, and take-home amount. - [South Africa Mortgage Calculator](https://top10k.com/tool/south-africa-mortgage-calculator): Calculate South African bond (mortgage) monthly repayments, total interest, and a year-by-year repayment schedule from property price, deposit, interest rate, and loan term in ZAR. - [South Africa VAT Calculator](https://top10k.com/tool/south-africa-vat-calculator): Calculates South African VAT at the standard 15% SARS rate — add VAT to a net price, remove VAT from a gross price, or break any amount into net, VAT, and gross components. - [Spain Capital Gains Tax Calculator](https://top10k.com/tool/spain-capital-gains-tax): Calculates Spanish capital gains tax (ganancias patrimoniales) using the progressive savings tax brackets — 19%, 21%, 23%, 27%, 28% — for 2026. - [Spain Corporate Tax Calculator](https://top10k.com/tool/spain-corporate-tax): Calculates Spanish corporate income tax liability based on taxable profit, applying the standard 25% rate and common reduced rates for startups and SMEs. - [Spain Income Tax Calculator](https://top10k.com/tool/spain-income-tax-calculator): Estimates Spanish IRPF income tax liability based on gross salary using 2024 progressive tax brackets. - [Spain Mortgage Calculator](https://top10k.com/tool/spain-mortgage-calculator): Calculate a Spain mortgage (hipoteca) monthly payment, total interest, and a year-by-year amortization schedule from the loan amount, interest rate, and term in years. - [Spain VAT Calculator](https://top10k.com/tool/spain-vat-calculator): Adds or removes Spanish IVA (VAT) at standard 21%, reduced 10%, or super-reduced 4% rates. - [Spread to Treasury Calculator](https://top10k.com/tool/spread-to-treasury): Calculate the spread of a bond or loan above the matching benchmark Treasury yield. Enter the instrument yield and the Treasury rate to get the spread in basis points and percentage. - [Staking Reward Calculator](https://top10k.com/tool/staking-reward-calculator): Projects cryptocurrency staking rewards from net APY or gross APY with validator commission, with an optional constant-price USD snapshot. - [Stock Average Calculator](https://top10k.com/tool/stock-average-calculator): Calculates the average cost per share when buying a stock at multiple price points (dollar-cost averaging). Add as many purchase lots as needed and see your blended cost basis instantly. - [Stock Profit Calculator](https://top10k.com/tool/stock-profit-calculator): Calculate the profit or loss from a stock trade, including total cost basis, sale proceeds, net gain or loss, return percentage, and annualized return. - [Stop Loss Calculator](https://top10k.com/tool/stop-loss-calculator): Calculate stop loss price, position size, and maximum dollar risk for a trade given entry price, stop loss percentage or price, account size, and risk percentage per trade. - [Straddle Calculator](https://top10k.com/tool/straddle-calculator): Calculates profit/loss, breakeven prices, and maximum loss for a long straddle options strategy given underlying price, strike price, call premium, and put premium. - [Straight Line Depreciation Calculator](https://top10k.com/tool/straight-line-depreciation-calculator): Calculates annual depreciation, accumulated depreciation, and book value over the asset's useful life using the straight-line method. - [Straight-Line Depreciation Detail Calculator](https://top10k.com/tool/straight-line-depreciation-detail): Calculate annual depreciation expense and generate a full year-by-year depreciation schedule using the straight-line method. - [Strangle Options Calculator](https://top10k.com/tool/strangle-calculator): Calculate the profit/loss profile, breakeven prices, and max loss for a long or short strangle options strategy at expiration. - [Student Loan Calculator](https://top10k.com/tool/student-loan-calculator): Calculates monthly student loan payment, total interest, and repayment schedule for standard and graduated repayment plans. - [Subscription Cost Tracker](https://top10k.com/tool/subscription-cost-tracker): Track and total monthly and annual recurring subscription costs. Add multiple services, normalize billing cycles to monthly and annual views, and see your total spend at a glance. - [Sum of Years Depreciation Calculator](https://top10k.com/tool/sum-of-years-depreciation): Calculates asset depreciation using the Sum-of-Years-Digits (SYD) method, showing annual depreciation schedule with book value for each year. - [Supplemental Bonus Tax Calculator](https://top10k.com/tool/supplemental-bonus-tax-calculator): Calculates the federal tax withheld on a supplemental wage payment (bonus, commission, severance) using the IRS flat 22% supplemental withholding rate (37% for amounts over $1M in a year when combi… - [Forex Swap Rate Calculator](https://top10k.com/tool/swap-rate-calculator): Calculates overnight swap (rollover) charges or credits for holding a forex position based on interest rate differential, lot size, and currency pair. - [Sweden Capital Gains Tax Calculator](https://top10k.com/tool/sweden-capital-gains-tax): Calculates Swedish capital gains tax on stocks, funds, a private residence, and other assets — shows purchase price, sale price, capital gain, and tax due in SEK. - [Sweden Corporate Tax Calculator](https://top10k.com/tool/sweden-corporate-tax): Calculates Swedish corporate income tax at the flat 20.6% rate — enter taxable profit in SEK to see tax liability and net profit after tax. - [Sweden Mortgage Calculator](https://top10k.com/tool/sweden-mortgage-calculator): Estimate monthly mortgage payments in Sweden (SEK) from loan amount, interest rate, and term, applying the Swedish mandatory amortization rules based on loan-to-value ratio and income. - [Switzerland Capital Gains Tax Calculator](https://top10k.com/tool/switzerland-capital-gains-tax): Explains and calculates Swiss capital gains tax treatment — private investors are generally tax-exempt on securities gains (Privatvermögen), while professional traders may be taxed at income rates;… - [Switzerland Corporate Tax Calculator](https://top10k.com/tool/switzerland-corporate-tax): Estimates Swiss corporate income tax by combining the federal rate (~8.5% on profit after tax) with a user-selected cantonal/communal multiplier to show effective combined rate. - [Switzerland Mortgage Calculator](https://top10k.com/tool/switzerland-mortgage-calculator): Calculate monthly and annual mortgage payments for a Swiss property purchase, split into a first and second mortgage, using Switzerland's typical amortization rules and the standard 33% affordabili… - [Take Home Pay Calculator](https://top10k.com/tool/take-home-pay-calculator): Estimates net take-home pay after federal income tax, Social Security, and Medicare deductions for US employees. - [Take Profit Calculator](https://top10k.com/tool/take-profit-calculator): Calculate take-profit price targets, profit amount, and risk-reward ratio for forex and stock trades based on entry price, stop loss, and desired reward. - [Tax Equivalent Yield Calculator](https://top10k.com/tool/tax-equivalent-yield): Calculates the pre-tax yield a taxable bond must offer to match the after-tax return of a tax-exempt municipal bond, given the investor's marginal tax rate. - [Term Life Insurance Premium Estimator](https://top10k.com/tool/term-life-premium-estimator): Estimates monthly and annual term life insurance premiums based on age, gender, health class, coverage amount, and term length. - [Thailand Capital Gains Tax Calculator](https://top10k.com/tool/thailand-capital-gains-tax): Estimates capital gains tax in Thailand — capital gains are generally taxed as ordinary income under personal income tax progressive brackets (0–35%), while gains on shares sold through the Stock E… - [Thailand Corporate Tax Calculator](https://top10k.com/tool/thailand-corporate-tax): Calculates Thailand corporate income tax at the standard 20% rate, with qualifying SME tiers of 0%, 15%, and 20%, and shows net profit after tax. - [Thailand Income Tax Calculator](https://top10k.com/tool/thailand-income-tax-calculator): Calculates Thai personal income tax (PIT) using Thailand Revenue Department progressive tax brackets with standard deductions for employment income. - [Thailand VAT Calculator](https://top10k.com/tool/thailand-vat-calculator): Calculates Thailand VAT (7%) — adds VAT to a pre-tax price or extracts VAT from a VAT-inclusive total, showing net price, VAT amount, and gross price in Thai Baht. - [Time and a Half Calculator](https://top10k.com/tool/time-and-a-half-calculator): Calculates overtime pay at time-and-a-half rate (1.5x) given regular hourly wage and overtime hours worked. - [Tip Calculator](https://top10k.com/tool/tip-calculator): Calculate tip amount and per-person total with adjustable percentage, bill split, and optional round-up. - [Tip Split Calculator](https://top10k.com/tool/tip-split-calculator): Split a restaurant bill among any number of people with a custom tip percentage, optional tax, and per-person custom amounts for unequal splits. - [Trial Conversion Rate Calculator](https://top10k.com/tool/trial-conversion-rate) - [UAE Mortgage Calculator](https://top10k.com/tool/uae-mortgage-calculator): Calculate UAE home loan monthly payments, total interest, and a year-by-year repayment schedule from property price, buyer type, down payment, and interest rate. - [UK Capital Gains Tax Calculator](https://top10k.com/tool/uk-capital-gains-tax): Calculates UK capital gains tax liability based on asset type, gain amount, income, and tax year. - [UK Corporate Tax Calculator](https://top10k.com/tool/uk-corporate-tax): Calculate UK corporation tax for tax year 2023/24 onwards using the small profits rate (19% up to £50,000), main rate (25% over £250,000), and marginal relief taper for profits between £50,001 and … - [UK Income Tax Calculator](https://top10k.com/tool/uk-income-tax-calculator): Calculates UK income tax, National Insurance, and take-home pay using HMRC bands for the 2024/25 tax year. - [UK Mortgage Calculator](https://top10k.com/tool/uk-mortgage-calculator): Calculate UK mortgage monthly repayments, total interest, and a year-by-year repayment schedule from property price, deposit, interest rate, and term. - [UK VAT Calculator](https://top10k.com/tool/uk-vat-calculator): Calculates UK VAT (Value Added Tax) at standard 20%, reduced 5%, or zero rate — add or remove VAT from any price with a breakdown. - [Units of Production Depreciation Calculator](https://top10k.com/tool/units-of-production-depreciation): Calculates asset depreciation expense per period based on actual units produced rather than time elapsed. - [Upsell Rate Calculator](https://top10k.com/tool/upsell-rate-calc): Calculate your upsell rate — the percentage of existing customers who upgraded to a higher plan or purchased add-ons — and see the resulting revenue uplift. - [USA Capital Gains Tax Calculator](https://top10k.com/tool/usa-capital-gains-tax): Calculate US federal capital gains tax for short-term and long-term gains based on your 2024 taxable income, filing status, and gain amount. - [USA Corporate Tax Calculator](https://top10k.com/tool/usa-corporate-tax): Calculates US federal corporate income tax at the flat 21% rate (post-TCJA 2017), with breakdown of tax liability and effective rate. - [USA Income Tax Calculator](https://top10k.com/tool/usa-income-tax-calculator): Estimates US federal income tax liability for 2024 using progressive tax brackets for single/married/head-of-household filers. - [USA Sales Tax Calculator](https://top10k.com/tool/usa-vat-calculator): Calculate US sales tax and total price for any state. Includes a reference table of all 50-state rates. Note: the USA uses sales tax, not VAT. - [USD to EUR Converter](https://top10k.com/tool/usd-to-eur): Convert US Dollars to Euros using a user-editable reference rate, with common amounts table and reverse conversion. - [Utility Split Calculator](https://top10k.com/tool/utility-split-calculator): Split a shared utility bill among multiple roommates or people based on equal shares or custom usage percentages. - [Vietnam Capital Gains Tax Calculator](https://top10k.com/tool/vietnam-capital-gains-tax): Calculates Vietnamese individual income tax on transfers using 2% of the real-estate transfer price or 0.1% of securities sale value. - [Vietnam Corporate Tax Calculator](https://top10k.com/tool/vietnam-corporate-tax): Calculates Vietnam corporate income tax from taxable profit at 20%, 17%, 15%, or qualifying 10% rates under current law. - [Vietnam Income Tax Calculator](https://top10k.com/tool/vietnam-income-tax-calculator): Calculates Vietnamese personal income tax (PIT) using the 2026 progressive 7-bracket tax schedule (5%–35%) with personal deduction of 11M VND/month and dependent deduction of 4.4M VND/month. - [Vietnam Mortgage Calculator](https://top10k.com/tool/vietnam-mortgage-calculator): A client-side mortgage calculator for Vietnam home loans. Enter the loan principal in VND, the annual interest rate, and the loan term to get the monthly payment, total interest, total paid, and a … - [Vietnam VAT Calculator](https://top10k.com/tool/vietnam-vat-calculator): Calculates Vietnam Value Added Tax (VAT) at standard 10% rate — add or remove VAT from a price, covers reduced 8% rate and 0% exported goods. - [W-4 Withholding Calculator](https://top10k.com/tool/w4-withholding-calculator): Estimates US federal income tax withholding per paycheck based on filing status, pay frequency, gross pay, and Form W-4 Step 2-4 adjustments, using projected 2026 IRS percentage-method brackets. - [WACC Calculator](https://top10k.com/tool/wacc-calculator): Calculate Weighted Average Cost of Capital (WACC) using equity and debt weights, cost of equity via CAPM, and after-tax cost of debt. - [Wedding Budget Calculator](https://top10k.com/tool/wedding-budget-calculator): Plan and track your wedding budget by allocating costs across venue, catering, photography, flowers, attire, entertainment, and more. See how spending compares to your total budget in real time. - [Win Rate Calculator](https://top10k.com/tool/win-rate-calculator): Calculate your sales win rate from won and lost deals, plus revenue metrics like average deal size, revenue per opportunity, and projected annual revenue from your pipeline. - [Working Capital Calculator](https://top10k.com/tool/working-capital-calculator): Calculates working capital (Current Assets minus Current Liabilities), current ratio, and quick ratio to assess short-term liquidity and operational efficiency. - [Yield to Call Calculator](https://top10k.com/tool/yield-to-call): Calculates the yield to call (YTC) of a callable bond given current price, coupon rate, call price, and time to call date. Compares YTC against YTM and current yield. - [Yield to Maturity Calculator](https://top10k.com/tool/yield-to-maturity-calculator): Calculates the yield to maturity (YTM) of a bond given its current price, coupon rate, face value, and years to maturity using iterative approximation. - [Yield to Maturity Detail Calculator](https://top10k.com/tool/yield-to-maturity-detail): Calculates the yield to maturity (YTM) of a bond with a detailed cash flow schedule showing each coupon period, present value of each payment, and cumulative totals. - [Zero Coupon Bond Price Calculator](https://top10k.com/tool/zero-coupon-bond-price): Calculates the current price, yield to maturity, and total return of zero-coupon bonds given face value, maturity, and discount rate. ## Health & Fitness (563) - [A-a Gradient Calculator](https://top10k.com/tool/a-a-gradient-calculator): Calculates the alveolar-arterial (A-a) oxygen gradient from PaO2, PaCO2, FiO2, and atmospheric pressure to help assess pulmonary gas exchange. - [A-a Oxygen Gradient Calculator](https://top10k.com/tool/a-a-oxygen-gradient): Calculates the alveolar-arterial (A-a) oxygen gradient to assess the cause of hypoxemia in pulmonology and critical care settings. - [ABCD2 TIA Score Calculator](https://top10k.com/tool/abcd2-tia-detailed): Calculates the ABCD2 score for predicting short-term stroke risk after a transient ischemic attack (TIA). Scores Age, Blood pressure, Clinical features, Duration, and Diabetes. Total 0–7; displays … - [ABCD2 TIA Risk Score Calculator](https://top10k.com/tool/abcd2-tia-score): Calculates the ABCD2 score to stratify 2-day stroke risk after a transient ischemic attack (TIA), scoring age, blood pressure, clinical features, duration, and diabetes. - [ABCDE Mole Check Helper](https://top10k.com/tool/abcde-mole-helper) - [Absolute Neutrophil Count (ANC) Chemo Helper](https://top10k.com/tool/absolute-neutrophil-chemo): Calculates Absolute Neutrophil Count from a CBC differential to assess chemotherapy-induced neutropenia risk, dose-hold thresholds, and nadir timing. - [Accommodation Amplitude](https://top10k.com/tool/accommodation-amplitude): Estimates the amplitude of accommodation in diopters based on near point distance measurements for clinical optometry use. - [Adjusted Body Weight Calculator](https://top10k.com/tool/adjusted-body-weight): Calculates Adjusted Body Weight (AdjBW) for obese patients for drug dosing. Formula: AdjBW = IBW + 0.4 × (ABW − IBW). Used when actual weight exceeds 130% of IBW, primarily for aminoglycosides. - [AIMS65 Score](https://top10k.com/tool/aims65-score): Calculates the AIMS65 score for predicting in-hospital mortality risk in patients with upper gastrointestinal bleeding. - [Albumin-Globulin Ratio Calculator](https://top10k.com/tool/albumin-globulin-ratio): Calculate the albumin-to-globulin (A/G) ratio from serum total protein and albumin values. Helps interpret liver function, kidney disease, and immune system status. - [Alcohol Calories Calculator](https://top10k.com/tool/alcohol-calories-calculator): Calculate total calories in alcoholic drinks based on drink type, volume, ABV, and quantity. Displays alcohol vs carbohydrate calories, pure ethanol mass, US standard drinks, and UK alcohol units. - [Alcohol Units Calculator](https://top10k.com/tool/alcohol-units-calculator): Calculate UK alcohol units per serving and total intake from drink volume (ml) and ABV%. Compare session totals against the UK Chief Medical Officers' lower-risk weekly drinking guidelines. - [Alligation Calculator](https://top10k.com/tool/alligation-calculator) - [Alvarado Appendicitis Score](https://top10k.com/tool/alvarado-appendicitis): Calculates the Alvarado (MANTRELS) score to assess the probability of acute appendicitis based on clinical signs, symptoms, and lab values. - [Aminoglycoside Dosing Calculator](https://top10k.com/tool/aminoglycoside-dosing): Calculates weight-based aminoglycoside (gentamicin, tobramycin, amikacin) initial doses and extended-interval dosing from patient weight and renal function; for educational reference only. - [Aminoglycoside Dosing Interval Calculator](https://top10k.com/tool/aminoglycoside-interval): Estimates an initial aminoglycoside antibiotic (gentamicin/tobramycin) interval from Cockcroft-Gault creatinine clearance with optional Hartford nomogram level guidance; educational only. - [ANC Absolute Neutrophil Count Calculator](https://top10k.com/tool/anc-absolute-neutrophil): Calculates Absolute Neutrophil Count (ANC) from WBC and differential percentages to assess infection risk and neutropenia severity. - [ANC Calculator](https://top10k.com/tool/anc-calculator): Calculates Absolute Neutrophil Count (ANC) from a CBC report using WBC count, neutrophil percentage (segmented + band), and interprets risk of infection. - [Animal IV Fluid Rate Calculator](https://top10k.com/tool/animal-fluid-rate): Calculates IV fluid infusion rate (mL/hr and drops/min) for veterinary patients based on species, body weight, and indication such as maintenance, shock, or dehydration correction. - [Anion Gap Calculator](https://top10k.com/tool/anion-gap): Calculate serum anion gap (Na - Cl - HCO3) and albumin-corrected anion gap for metabolic acidosis workup; interprets high/normal/low gap and shows delta gap for mixed disorder detection. - [Anion Gap Calculator](https://top10k.com/tool/anion-gap-calculator): Calculates the anion gap from serum sodium, chloride, and bicarbonate values to help identify acid-base disorders. - [Ankle Fracture Risk (Ottawa Rules)](https://top10k.com/tool/ankle-fracture-risk): Applies the Ottawa Ankle Rules to determine whether an ankle X-ray is needed after injury, starting with pain in the malleolar zone and then bone tenderness or inability to bear weight. - [Antibiotic Dose by Weight Calculator](https://top10k.com/tool/antibiotic-dose-by-weight): Calculate weight-based medication arithmetic from an exact clinician- or pharmacist-provided prescription instruction in mg/kg/day or mg/kg/dose, with optional liquid mL conversion. - [Aortic Dissection Risk Score (ADD-RS)](https://top10k.com/tool/aortic-dissection-score): Calculates the Aortic Dissection Detection Risk Score (ADD-RS) to help clinicians assess pre-test probability of acute aortic dissection. - [APACHE II Score Calculator](https://top10k.com/tool/apache-ii): Calculates the APACHE II (Acute Physiology and Chronic Health Evaluation II) score used in ICUs to estimate patient mortality risk based on 12 acute physiology variables, age, and chronic health st… - [APACHE II Score Calculator](https://top10k.com/tool/apache-ii-score): Calculates the APACHE II (Acute Physiology and Chronic Health Evaluation II) score to assess ICU patient severity and estimate in-hospital mortality risk. - [Apfel PONV Score Calculator](https://top10k.com/tool/apfel-ponv-score): Calculates the Apfel score to predict risk of postoperative nausea and vomiting (PONV) based on 4 clinical risk factors. - [Apgar Score](https://top10k.com/tool/apgar-score): Calculates the Apgar score for newborn assessment across 5 criteria (Appearance, Pulse, Grimace, Activity, Respiration), scoring each 0-2 for a total of 0-10. - [APRI Score Calculator (Liver Fibrosis)](https://top10k.com/tool/apri-fibrosis): Calculates APRI (AST-to-Platelet Ratio Index) to non-invasively assess liver fibrosis in hepatitis C. Interprets score against significant fibrosis (>1.5) and cirrhosis (>2.0) thresholds. - [APRI Score Calculator](https://top10k.com/tool/apri-score): Calculates the AST-to-Platelet Ratio Index (APRI) score to assess liver fibrosis and cirrhosis risk in patients with chronic liver disease. - [ASA Physical Status Classifier](https://top10k.com/tool/asa-physical-status): Classify a patient's pre-anesthetic physical status using the American Society of Anesthesiologists (ASA) PS classification system (I-VI). - [Ascites SAAG Calculator](https://top10k.com/tool/ascites-saag-calculator): Calculates the Serum-Ascites Albumin Gradient (SAAG) to determine the cause of ascites — portal hypertension vs non-portal causes. - [ASCVD Risk Calculator](https://top10k.com/tool/ascvd-risk-calculator): Estimates 10-year atherosclerotic cardiovascular disease (ASCVD) risk using the ACC/AHA 2013 Pooled Cohort Equations, with inputs for age, cholesterol, blood pressure, smoking, diabetes, and race/sex. - [ASPRI Score Calculator](https://top10k.com/tool/aspri-score): Calculates the Age–Spleen–Platelet Ratio Index (ASPRI), a published non-invasive index studied for cirrhosis in chronic hepatitis B. - [ATRIA Bleeding Score](https://top10k.com/tool/atria-bleeding-score): Calculates the ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) bleeding risk score to estimate major bleeding risk in patients on warfarin anticoagulation therapy. - [ATRIA Stroke Score](https://top10k.com/tool/atria-stroke-score): Calculates the ATRIA (AnTicoagulation and Risk factors In Atrial fibrillation) stroke risk score for patients with atrial fibrillation to estimate annual stroke risk. - [Attack Rate Calculator](https://top10k.com/tool/attack-rate-calculator): Calculates the attack rate (proportion of exposed population that develops disease) in an outbreak investigation. - [Attributable Risk Calculator](https://top10k.com/tool/attributable-risk-calculator): Computes attributable risk (AR), attributable risk percent (AR%), population attributable risk (PAR), and relative risk (RR) from a 2x2 epidemiology table of exposed and unexposed incidence rates. - [AUDIT Alcohol Use Disorders Identification Test](https://top10k.com/tool/audit-alcohol): Interactive 10-item WHO AUDIT questionnaire that scores alcohol use risk (Low / Hazardous / Harmful / Dependent, score 0–40) with zone interpretation and a prompt to seek support if score is elevated. - [AUDIT-C Score Calculator](https://top10k.com/tool/audit-c-score): Calculates the AUDIT-C alcohol use screening score (3-question subset of the full AUDIT tool) and interprets the risk level for unhealthy drinking. - [AUDIT Alcohol Use Disorders Identification Test](https://top10k.com/tool/audit-full): Full 10-question AUDIT screening tool for identifying hazardous, harmful, and dependent alcohol use. Developed by the World Health Organization. - [Baby Clothing Size Chart](https://top10k.com/tool/baby-clothing-size): Converts baby age and measurements (height and weight) to clothing sizes across US, EU, and UK standards with an interactive size chart lookup. - [Baby Feeding Amount Calculator](https://top10k.com/tool/baby-feeding-amount): Calculates recommended formula or breast milk feeding amounts for infants based on age and body weight. - [Baby Growth Percentile](https://top10k.com/tool/baby-growth-percentile): Looks up a baby's weight, length, and head circumference percentile using WHO growth chart reference data for ages 0-24 months. - [Baby Sleep Schedule](https://top10k.com/tool/baby-sleep-schedule): Generate a recommended daily sleep schedule for infants and toddlers based on age in weeks or months. - [Baby Weight Percentile Calculator](https://top10k.com/tool/baby-weight-percentile): Looks up weight-for-age percentile for infants 0–24 months using WHO Child Growth Standards LMS parameters. Enter sex, age in months, and weight in kg or lbs to get percentile, z-score, and a refer… - [BASDAI Spondylitis Score Calculator](https://top10k.com/tool/basdai-spondylitis): Calculates the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) score to assess disease activity in ankylosing spondylitis patients. - [Beck Depression Inventory Helper](https://top10k.com/tool/beck-depression-helper): Guides users through the 21-item BDI-II screening questionnaire and calculates a total score with severity classification (minimal, mild, moderate, or severe depression). - [Bilirubin Unit Converter](https://top10k.com/tool/bilirubin-unit-converter): Convert bilirubin levels between mg/dL and µmol/L with reference ranges for adults and newborns. - [Bioavailability Calculator](https://top10k.com/tool/bioavailability-calculator): Calculate absolute and relative bioavailability of a drug given AUC values for oral vs. intravenous (or reference) routes, used in pharmacokinetics. - [Biomechanics Joint Torque Calculator](https://top10k.com/tool/biomechanics-joint-torque): Calculate signed joint torque from applied force, distance to the force application point, and force angle for biomechanics analysis. - [BISAP Score for Pancreatitis](https://top10k.com/tool/bisap-pancreatitis): Calculates the BISAP score (BUN, Impaired mental status, SIRS, Age >60, Pleural effusion) to predict in-hospital mortality in acute pancreatitis. - [Bishop Score Calculator](https://top10k.com/tool/bishop-score): Calculates the Bishop Score for cervical ripeness assessment before labor induction — 5 parameters (dilation, effacement, station, consistency, position) scored 0–13. - [Bishop Score Induction Calculator](https://top10k.com/tool/bishop-score-induction): Calculates the Bishop score for cervical ripeness assessment to predict labor induction success based on dilation, effacement, station, consistency, and position. - [Bladder Capacity Calculator](https://top10k.com/tool/bladder-capacity-calc): Estimates pediatric expected bladder capacity from age using the ICCS formula and compares a recorded maximum voided volume. - [Blatchford GI Bleed Score Calculator](https://top10k.com/tool/blatchford-gi-bleed): Calculates the Glasgow-Blatchford Score (GBS) to predict the need for medical intervention in upper GI bleeding, based on blood urea, hemoglobin, systolic BP, pulse, presentation features, and como… - [Blood Alcohol Content Calculator](https://top10k.com/tool/blood-alcohol-content-calculator): Estimates BAC (blood alcohol concentration) using the Widmark formula based on drinks consumed, body weight, sex, and time elapsed. - [Blood Pressure Category Checker](https://top10k.com/tool/blood-pressure-category-checker): Classifies a blood pressure reading (systolic/diastolic) into AHA categories (Normal, Elevated, Stage 1, Stage 2, Crisis) with guidance. - [Blood Pressure Classifier](https://top10k.com/tool/blood-pressure-classifier): Classify your blood pressure reading using the AHA 2017 guidelines. Get instant color-coded results (Normal, Elevated, Stage 1, Stage 2, or Hypertensive Crisis), log multiple readings, and track yo… - [Blood Volume Estimator](https://top10k.com/tool/blood-volume-estimate): Estimate total blood volume based on patient weight, sex, and body composition using Nadler's formula, used in transfusion medicine. - [BMI Calculator](https://top10k.com/tool/bmi): Calculate Body Mass Index, determine your weight category, find your ideal weight range, and estimate daily calorie needs using the Mifflin-St Jeor formula. - [BMI Calculator](https://top10k.com/tool/bmi-calculator): Calculate Body Mass Index from height and weight in metric or imperial units, with full WHO weight-category interpretation and healthy weight range. - [BMI During Pregnancy Calculator](https://top10k.com/tool/bmi-pregnancy): Calculates pre-pregnancy BMI and recommended gestational weight gain ranges based on 2009 IOM guidelines, with trimester-by-trimester gain guidance for singleton and twin pregnancies. - [BMI Prime Calculator](https://top10k.com/tool/bmi-prime-calculator): Calculates BMI Prime — the ratio of your BMI to the upper limit of the normal BMI range (25) — and classifies weight status from severely underweight to super obese. - [BMR Calculator](https://top10k.com/tool/bmr-calculator): Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor, Harris-Benedict, or Katch-McArdle formula. Enter age, sex, height, weight, and optional body fat percentage for a side-by-side c… - [BMR Katch-McArdle Calculator](https://top10k.com/tool/bmr-katch-mcardle): Calculates Basal Metabolic Rate using the Katch-McArdle formula which accounts for lean body mass for more accurate results than Mifflin or Harris-Benedict. - [BODE Index COPD Calculator](https://top10k.com/tool/bode-index-copd): Calculates the BODE index for COPD prognosis using BMI, FEV1%, dyspnea grade, and 6-minute walk distance. - [Body Fat Calculator](https://top10k.com/tool/body-fat-calculator): Estimate body fat percentage using the U.S. Navy method (waist, neck, hip measurements) and other proven formulas. - [Body Surface Area Calculator](https://top10k.com/tool/body-surface-area-calculator): Calculate body surface area (BSA) in square meters from height and weight using four validated clinical formulas: Mosteller, Du Bois, Haycock, and Boyd. Compare results side by side for medical dos… - [Body Surface Area for Chemotherapy](https://top10k.com/tool/body-surface-area-chemo): Calculates body surface area (BSA) using multiple formulas (Mosteller, DuBois, Haycock, Gehan-George) to support chemotherapy dosing calculations. - [Body Surface Area (DuBois Formula) Calculator](https://top10k.com/tool/body-surface-area-dubois): Calculates body surface area using the DuBois & DuBois formula (BSA = 0.007184 × height^0.725 × weight^0.425) with metric and imperial inputs. - [Body Surface Area Calculator (Mosteller)](https://top10k.com/tool/body-surface-area-mosteller): Calculates body surface area (BSA) using the Mosteller formula. Commonly used for chemotherapy dosing, drug dosing, and burn area estimation. - [Bone Density T-Score Calculator](https://top10k.com/tool/bone-density-t-score) - [Braden Pressure Ulcer Risk Scale](https://top10k.com/tool/braden-pressure-ulcer): Scores pressure ulcer/injury risk using the 6-subscale Braden Scale (sensory perception, moisture, activity, mobility, nutrition, friction/shear) with clinical interpretation. - [Breast Cancer Risk-Factor Illustration (Gail Inputs)](https://top10k.com/tool/breast-cancer-risk-gail): Educationally illustrates how selected Gail-model risk factors can change baseline risk; it is not the NCI BCRAT calculation. - [Breast Milk Storage Guidelines](https://top10k.com/tool/breast-milk-storage): Shows safe storage durations for expressed breast milk based on storage location (room temp, cooler, fridge, freezer) and milk type. - [Broselow Tape Estimator](https://top10k.com/tool/broselow-tape-helper): Educationally maps pediatric length to publicly documented Broselow color zones and estimated weight ranges; not for dosing or equipment selection. - [BUN/Creatinine Ratio Calculator](https://top10k.com/tool/bun-creatinine-ratio): Calculates the blood urea nitrogen to creatinine ratio and interprets whether it suggests pre-renal azotemia, intrinsic renal damage, or normal kidney function. - [BUN to Urea Converter](https://top10k.com/tool/bun-to-urea-converter): Converts between blood urea nitrogen (BUN) in mg/dL and serum urea in mmol/L or mg/dL, used by clinicians interpreting kidney function lab results across different reporting conventions. - [Burn Fluid Parkland Formula Calculator](https://top10k.com/tool/burn-fluid-parkland): Calculates 24-hour fluid resuscitation volumes for burn patients using the Parkland formula (4 mL × kg × %TBSA), split between first 8 hours and next 16 hours. - [Burn Lund-Browder Chart](https://top10k.com/tool/burn-lund-browder): Calculates total body surface area (TBSA) burned using the Lund-Browder method, accounting for age-adjusted body proportions for children and adults. - [Burn Percentage Calculator](https://top10k.com/tool/burn-percentage-calculator): Calculates the percentage of body surface area (BSA) affected by burns using the Rule of Nines for adults and the Lund-Browder method for children. - [Burn Rule of Nines Calculator](https://top10k.com/tool/burn-rule-of-nines): Estimates total body surface area (TBSA) burned using the Rule of Nines for adult burn assessment. - [C-SSRS Helper](https://top10k.com/tool/c-ssrs-helper): Columbia Suicide Severity Rating Scale (C-SSRS) screening helper that walks through ideation and behavior items and produces a risk summary. - [Caffeine Half-Life Calculator](https://top10k.com/tool/caffeine-half-life-calculator): Calculate how much caffeine remains in your system at any time. Uses exponential decay with a configurable half-life (default 5.7 hours) to show caffeine level over 24 hours and estimate when it is… - [CAGE Questionnaire](https://top10k.com/tool/cage-questionnaire): Screens for alcohol use disorder using the 4-question CAGE questionnaire; score ≥2 indicates clinically significant alcohol use. - [Calcium Correction for Albumin Calculator](https://top10k.com/tool/calcium-correction-albumin): Corrects measured serum calcium for low albumin using the Payne formula: corrected Ca = measured Ca + 0.8 × (4.0 - albumin). Useful for evaluating true calcium status in hypoalbuminemic patients. - [Calcium Unit Converter](https://top10k.com/tool/calcium-unit-converter): Converts calcium lab values between mg/dL, mmol/L, and mEq/L units used in clinical lab reports. - [Daily Calorie Calculator](https://top10k.com/tool/calorie-calculator): Calculate your daily calorie target based on age, sex, height, weight, activity level, and weight goal. Get BMR, TDEE, a deficit or surplus breakdown, and a macronutrient split — all goal-aware. - [Calorie Deficit Calculator for Weight Goal](https://top10k.com/tool/calorie-deficit-for-goal): Calculate the daily calorie deficit needed to reach a target weight by a specific date, based on your TDEE and the 3,500 cal/lb (7,700 cal/kg) rule. - [Calorie Density Calculator](https://top10k.com/tool/calorie-density-calculator): Calculate calorie density (calories per gram or per 100g) for any food. Compare multiple foods side by side to make smarter diet choices. - [Calories Burned Calculator](https://top10k.com/tool/calories-burned-calculator): Calculates calories burned during exercise using MET values, duration, and body weight. - [CAM Delirium Helper](https://top10k.com/tool/cam-delirium-helper): Guides clinicians through the Confusion Assessment Method (CAM) to screen for delirium at the bedside. - [Canadian C-Spine Rule](https://top10k.com/tool/canadian-c-spine-rule): Applies the Canadian C-Spine Rule decision algorithm to determine whether cervical spine imaging is required after blunt trauma. - [Canadian CT Head Rule](https://top10k.com/tool/canadian-ct-head-rule): Clinical decision aid for ordering CT head scans in minor head injury patients with GCS 13-15, based on the validated Canadian CT Head Rule criteria. - [Caprini Score](https://top10k.com/tool/caprini-score): Calculates the Caprini VTE Risk Assessment Score for surgical patients to estimate deep vein thrombosis (DVT) and venous thromboembolism risk. - [Caprini VTE Risk Score Calculator](https://top10k.com/tool/caprini-vte-score): Calculate Caprini DVT/VTE risk-factor points for surgical patients and view the CHEST general-surgery risk category. - [Carb Cycling Calculator](https://top10k.com/tool/carb-cycling-calculator): Calculate daily carbohydrate intake targets for high, medium, and low carb days based on body weight, activity level, and goal (fat loss, muscle gain, maintenance). - [Insulin-to-Carb Ratio Calculator](https://top10k.com/tool/carb-ratio-calculator): Calculates the insulin-to-carbohydrate ratio (ICR) for diabetes management, showing how many grams of carbohydrates are covered by one unit of rapid-acting insulin, with a meal dose estimator. - [Carboplatin AUC Dose Calculator](https://top10k.com/tool/carboplatin-auc-dose): Calculates the carboplatin chemotherapy dose (mg) using the Calvert formula: Dose = AUC × (GFR + 25), where GFR is estimated from creatinine clearance via the Cockcroft-Gault equation. Used for onc… - [Cardiac Output Calculator](https://top10k.com/tool/cardiac-output-calculator): Calculate cardiac output (CO = Stroke Volume × Heart Rate) and cardiac index (CI = CO / BSA) with normal range indicators. Useful for medical education and clinical reference. - [Case Fatality Rate Calculator](https://top10k.com/tool/case-fatality-rate): Calculates the case fatality rate (proportion of confirmed cases that result in death) for infectious diseases and outbreaks. - [Cat Medication Dosage Calculator](https://top10k.com/tool/cat-medication-dosage): Calculates safe medication doses for cats based on body weight and common veterinary drug dosing guidelines. - [Catch-Up Growth Calculator](https://top10k.com/tool/catch-up-growth-calculator): Calculates the catch-up growth velocity and daily pediatric energy/protein requirements needed for an underweight or stunted child to reach target weight-for-age, accounting for normal growth over … - [CD4 Percent Calculator](https://top10k.com/tool/cd4-percent-calculator): Calculate CD4 percentage from absolute CD4 count and total lymphocyte count for HIV immune monitoring. - [Centor / McIsaac Score Calculator](https://top10k.com/tool/centor-mcisaac-score): Calculates the Centor and age-modified McIsaac score for estimating Group A Streptococcal pharyngitis probability, with antibiotic recommendation guidance. - [Centor Score Calculator](https://top10k.com/tool/centor-score): Calculates the modified Centor (McIsaac) score to estimate the probability of Group A streptococcal pharyngitis and inform testing. - [Modified Centor Score (McIsaac)](https://top10k.com/tool/centor-strep-detail): Calculates the Modified Centor (McIsaac) score for group A streptococcal pharyngitis to inform a guideline-appropriate testing pathway. - [CHA2DS2-VASc Score Calculator](https://top10k.com/tool/cha2ds2-vasc-score): Calculates the CHA2DS2-VASc score for stroke risk in patients with non-valvular atrial fibrillation. - [CHA2DS2-VASc Stroke Risk Calculator](https://top10k.com/tool/cha2ds2-vasc-stroke) - [CHADS2 Score Calculator](https://top10k.com/tool/chads2-score): Calculates the CHADS2 score to estimate annual stroke risk in patients with non-valvular atrial fibrillation. - [Charlson Comorbidity Index](https://top10k.com/tool/charlson-comorbidity-index): Calculate the Charlson Comorbidity Index (CCI) score and estimated 10-year survival probability from 19 medical conditions plus age adjustment. - [Child-Pugh Score Calculator](https://top10k.com/tool/child-pugh-score): Calculates the Child-Pugh score for cirrhosis severity, classifying liver disease into Class A, B, or C based on 5 clinical parameters. - [Child-Turcotte-Pugh Score Calculator](https://top10k.com/tool/child-turcotte-pugh) - [Cholesterol Unit Converter](https://top10k.com/tool/cholesterol-unit-converter): Converts cholesterol levels (total, LDL, HDL, triglycerides) between mg/dL and mmol/L, with reference ranges shown for each measurement. - [CIWA-Ar Alcohol Withdrawal Scale](https://top10k.com/tool/ciwa-ar-alcohol-withdrawal): Calculates the Clinical Institute Withdrawal Assessment for Alcohol, Revised (CIWA-Ar) score across 10 items to quantify alcohol withdrawal severity and guide management. - [CKD-EPI 2021 eGFR Calculator](https://top10k.com/tool/ckd-epi-2021): Estimates glomerular filtration rate (eGFR) using the 2021 CKD-EPI creatinine equation (race-free) for chronic kidney disease staging. - [Drug Clearance Calculator](https://top10k.com/tool/clearance-calculator): Calculate drug clearance rate from volume of distribution and elimination half-life using standard pharmacokinetics formulas. - [Clinical Frailty Scale](https://top10k.com/tool/clinical-frailty-scale): Interactive reference tool for the Clinical Frailty Scale (CFS 1–9). Select the description that best matches the patient to display the CFS score, category label, and brief clinical guidance. For … - [Cobb Angle Calculator](https://top10k.com/tool/cobb-angle-calculator): Calculate the Cobb angle from vertebral end-plate measurements to assess scoliosis severity and determine treatment thresholds. - [Cockcroft-Gault CrCl Calculator](https://top10k.com/tool/cockcroft-gault-crcl): Estimates creatinine clearance (CrCl) using the Cockcroft-Gault equation for kidney function assessment and drug dosing. - [Color Vision Deficiency Helper](https://top10k.com/tool/color-vision-helper): Learn about the four main types of color vision deficiency — protanopia, deuteranopia, tritanopia, and achromatopsia — see which color pairs are commonly confused, and explore an Ishihara-style pla… - [Colorectal Cancer Risk Score](https://top10k.com/tool/colorectal-risk-score): Estimates relative colorectal cancer risk based on established risk factors: age, family history, personal history of polyps, diet, BMI, smoking, and physical activity. - [Respiratory System Compliance Calculator](https://top10k.com/tool/compliance-respiratory): Calculates static and dynamic respiratory compliance (Cstat and Cdyn) from ventilator settings to assess lung and chest wall mechanics in mechanically ventilated patients. - [Compounding Ratio Calculator](https://top10k.com/tool/compounding-ratio): Calculate ingredient quantities for compounded medications given a target batch size and formula ratios. Scale any pharmacy compounding formula up or down instantly. - [Constant-Murley Shoulder Score](https://top10k.com/tool/constant-shoulder-score): Calculates the Constant-Murley Score for shoulder function assessment, covering pain, ADL, range of motion, and strength domains. - [Contact Lens Prescription Converter](https://top10k.com/tool/contact-lens-conversion): Estimates contact lens power from a glasses prescription by applying a vertex-distance adjustment to sphere power; cylinder and axis are displayed unchanged. - [Contrast-Induced Nephropathy Risk Calculator](https://top10k.com/tool/contrast-nephropathy-risk): Estimates the risk of contrast-induced nephropathy (CIN) after contrast administration using the Mehran risk score, based on patient risk factors including hypotension, IABP use, CHF, age, anemia, … - [Corrected Anion Gap Calculator](https://top10k.com/tool/corrected-anion-gap): Calculates the albumin-corrected anion gap to detect high-AG metabolic acidosis in patients with hypoalbuminemia; inputs Na, Cl, HCO3, and serum albumin. - [Corrected Calcium Calculator](https://top10k.com/tool/corrected-calcium-calculator): Estimates albumin-corrected total calcium using the Payne formula; it does not measure or reliably predict ionized calcium. - [Corrected Gestational Age Calculator](https://top10k.com/tool/corrected-gestational-age): Calculates the corrected (adjusted) gestational age for premature infants by subtracting weeks born early from the chronological age, used until the baby reaches 2 years. - [Corrected QT Bazett Calculator](https://top10k.com/tool/corrected-qt-bazett): Calculates the corrected QT interval (QTc) using Bazett's formula from a measured QT interval and heart rate. Includes normal range interpretation and QT prolongation risk flag. - [Corrected QT Fridericia Calculator](https://top10k.com/tool/corrected-qt-fridericia): Calculates the heart rate-corrected QT interval (QTc) using the Fridericia formula (QTc = QT / RR^(1/3)), an alternative to Bazett's formula that is more accurate at elevated heart rates. - [Corrected Reticulocyte Count Calculator](https://top10k.com/tool/corrected-reticulocyte): Calculates the Corrected Reticulocyte Count (CRC) and Reticulocyte Production Index (RPI) from patient hematocrit and reticulocyte percentage to assess bone marrow response to anemia. - [Corrected Reticulocyte Count](https://top10k.com/tool/corrected-reticulocyte-count) - [Corrected Sodium Calculator](https://top10k.com/tool/corrected-sodium-calculator): Calculates corrected serum sodium in hyperglycemic patients using both the Katz (1.6 mEq/L per 100 mg/dL glucose) and Hillier (2.4 mEq/L per 100 mg/dL glucose) correction formulas. - [Corrected WBC for NRBCs Calculator](https://top10k.com/tool/corrected-wbc-nrbc): Calculate a peripheral-blood WBC correction when nucleated red blood cells are counted during a 100-WBC smear differential. - [Correction Insulin Dose Calculator](https://top10k.com/tool/correction-insulin-dose): Performs correction-bolus arithmetic from current glucose, target glucose, and a clinician-provided insulin sensitivity factor; it does not prescribe a dose. - [COWS Opioid Withdrawal Scale](https://top10k.com/tool/cows-opioid-withdrawal): Calculates the clinician-administered Clinical Opiate Withdrawal Scale (COWS) severity score across 11 items; it does not determine medication timing or dose. - [Creatine Loading Calculator](https://top10k.com/tool/creatine-loading-calculator): Calculate your creatine loading phase doses and maintenance doses based on body weight. Compare the fast-loading protocol against the slow-saturation (no-load) approach. - [Creatinine Clearance for Antibiotic Dosing](https://top10k.com/tool/creatinine-clearance-abx): Calculates creatinine clearance (CrCl) using the Cockcroft-Gault equation and maps the result to standard antibiotic dose-adjustment tiers for vancomycin, gentamicin, piperacillin-tazobactam, and m… - [Creatinine Clearance (Cockcroft-Gault)](https://top10k.com/tool/creatinine-clearance-cockcroft-gault): Estimates kidney function (creatinine clearance) using the Cockcroft-Gault formula based on age, weight, sex, and serum creatinine. - [Creatinine Clearance for Drug Dosing](https://top10k.com/tool/creatinine-clearance-dosing): Calculates creatinine clearance using the Cockcroft-Gault equation for renal drug dosing adjustment — takes age, weight, sex, and serum creatinine, outputs CrCl in mL/min with renal impairment stage. - [Creatinine Unit Converter](https://top10k.com/tool/creatinine-unit-converter): Converts serum creatinine levels between mg/dL and micromol/L (umol/L), with normal reference ranges for men and women and a note on clinical significance. - [Crohn's Disease Activity Index (CDAI)](https://top10k.com/tool/crohns-cdai): Calculates the Crohn's Disease Activity Index (CDAI) to assess disease severity across 8 weighted clinical variables with remission/mild/moderate/severe classification. - [Crown-to-Root Ratio Calculator](https://top10k.com/tool/crown-to-root-ratio): Calculate the crown-to-root ratio for a tooth given clinical crown length and root length. Helps dentists assess tooth prognosis and suitability for prosthetic treatment. - [Cryoprecipitate Dose Calculator](https://top10k.com/tool/cryoprecipitate-dose): Calculates the number of cryoprecipitate units needed to raise fibrinogen levels to a target concentration based on patient weight and blood volume. - [Cunningham BMR Calculator](https://top10k.com/tool/cunningham-bmr): Calculates Resting Metabolic Rate (RMR) using the Cunningham formula based on lean body mass. More accurate than Harris-Benedict or Mifflin-St Jeor for athletes and muscular individuals. - [CURB-65 Pneumonia Severity Score](https://top10k.com/tool/curb-65-pneumonia): Calculates the CURB-65 score for community-acquired pneumonia severity, with risk stratification and treatment setting recommendations (outpatient, hospital, ICU). - [CURB-65 Score Calculator](https://top10k.com/tool/curb-65-score): Calculates the CURB-65 pneumonia severity score to estimate 30-day mortality risk and guide hospitalization decisions. - [CURB-65 / COPD Severity Calculator](https://top10k.com/tool/curb-copd): Calculates the CURB-65 pneumonia severity score (Confusion, Urea, Respiratory rate, Blood pressure, age ≥65) and separately the GOLD COPD severity classification (FEV1% predicted), displaying risk … - [Daily Calorie Deficit Calculator](https://top10k.com/tool/daily-calorie-deficit-calculator): Calculates the daily calorie deficit needed to reach a target weight loss goal within a specified timeframe, based on TDEE. - [Daily Fiber Target Calculator](https://top10k.com/tool/daily-fiber-target): Calculate your recommended daily dietary fiber intake based on age, sex, and calorie intake using Institute of Medicine (IOM) guidelines. See how your current intake compares and get a list of high… - [DALY Calculator](https://top10k.com/tool/daly-calculator): Calculates Disability-Adjusted Life Years (DALYs) by combining Years of Life Lost (YLL) and Years Lived with Disability (YLD) for epidemiological burden-of-disease analysis. - [DALYs Averted Calculator](https://top10k.com/tool/dalys-averted): Estimates disability-adjusted life years (DALYs) averted by a health intervention, combining years of life lost (YLL) and years lived with disability (YLD). - [DAPT Score Calculator](https://top10k.com/tool/dapt-score): Calculates the DAPT (Dual Antiplatelet Therapy) Score to estimate whether continuing DAPT beyond 12 months after coronary stent placement benefits or harms a patient. - [DAS28 Rheumatoid Arthritis Score](https://top10k.com/tool/das28-rheumatoid): Calculates the DAS28 disease activity score for rheumatoid arthritis using tender/swollen joint counts, ESR or CRP, and patient global assessment. - [DASH Score Calculator](https://top10k.com/tool/dash-score): Calculates the Disabilities of the Arm, Shoulder and Hand (DASH) outcome measure score from 30 questionnaire items to assess upper-extremity disability. - [DAST-10 Drug Abuse Screening Test](https://top10k.com/tool/dast-10-drug): Interactive DAST-10 questionnaire (10-item Drug Abuse Screening Test) that scores responses and interprets severity of drug use problems. - [Respiratory Dead Space Calculator](https://top10k.com/tool/dead-space-calculator): Calculate physiological dead space (Vd/Vt ratio) using the Bohr equation from PaCO2 and PeCO2 values. Also estimates anatomical dead space by body weight for ventilator management. - [Pediatric Dehydration Percentage Calculator](https://top10k.com/tool/dehydration-percent-pediatric): Estimates dehydration severity percentage in children based on pre-illness weight and current weight, and classifies severity (mild/moderate/severe) with corresponding fluid replacement guidance pe… - [Delta Gap Calculator](https://top10k.com/tool/delta-gap-calculator): Calculates the delta gap (delta-delta ratio) in nephrology to differentiate mixed acid-base disorders. Inputs: sodium, chloride, bicarbonate, and albumin. Interprets whether a concurrent metabolic … - [Dental Age Estimator](https://top10k.com/tool/dental-age-estimator): Estimates a child's age from dental eruption stage or estimates eruption timing from known age, based on primary and permanent tooth charts. - [Dental Bitewing X-Ray Angle Calculator](https://top10k.com/tool/dental-bitewing-angle): Calculate the correct horizontal and vertical angulation for dental bitewing radiographs based on tooth position and arch type to minimize geometric distortion. - [Dental Radiation Dose Calculator](https://top10k.com/tool/dental-radiation-dose): Estimate effective radiation dose from dental X-ray procedures. Select an X-ray type, enter the number of images or exposures, and see the dose in microsieverts (µSv) and millirem (mrem) with conte… - [Dialysis Clearance Calculator](https://top10k.com/tool/dialysis-clearance-biomed): Calculates Daugirdas second-generation single-pool Kt/V, URR, and an effective urea-clearance estimate from measured session data. - [Diaper Count Estimator](https://top10k.com/tool/diaper-count-estimator): Estimate how many diapers a baby needs per day, week, and month based on age stage. Plan your diaper supply and budget with confidence. - [Dilution for Injection Calculator](https://top10k.com/tool/dilution-for-injection): Calculate the diluent volume needed to prepare an injectable medication at a target concentration. Supports vials, reconstitution, and serial dilutions. - [DIPSS Myelofibrosis Score](https://top10k.com/tool/dipss-myelofibrosis): Calculates the Dynamic International Prognostic Scoring System (DIPSS) score for myelofibrosis to estimate overall survival risk group: Low, Intermediate-1, Intermediate-2, or High. - [Disinfection CT Value Calculator](https://top10k.com/tool/disinfection-ct-value): Calculates CT value (disinfectant concentration × contact time) for water treatment and compares against EPA and WHO reference tables for pathogen inactivation. - [DLQI Dermatology Life Quality Index](https://top10k.com/tool/dlqi-quality-of-life): Calculates the Dermatology Life Quality Index (DLQI) score from 10 standardized patient-reported questions about skin condition impact on daily life, with score interpretation - [Dog Medication Dosage Calculator](https://top10k.com/tool/dog-medication-dosage): Calculates medication dosage for dogs based on body weight and the drug's dose rate (mg/kg), with a reference table of common canine medications. - [Dosage By Weight Calculator](https://top10k.com/tool/dosage-by-weight-calculator): Calculates medication dose in mg (or ml) based on patient weight (kg or lb) and a dose per kg value. - [Hepatic Dose Adjustment Guide](https://top10k.com/tool/dose-adjustment-hepatic): Calculate Child-Pugh score for hepatic impairment classification and get general dose adjustment guidance for drugs metabolized by the liver. - [Renal Dose Adjustment Guide](https://top10k.com/tool/dose-adjustment-renal) - [Anticoagulant Dose Calculator](https://top10k.com/tool/dose-of-anticoagulant): Weight-based dosing guide for common anticoagulants (heparin UFH, enoxaparin, fondaparinux) covering therapeutic, prophylactic, and bridging indications. For educational reference only. - [Radiation Dose Rate Calculator](https://top10k.com/tool/dose-rate-calculator): Estimate gamma dose-equivalent rate and accumulated dose for an ideal unshielded point source using a user-supplied reference gamma constant. - [IV Drops Per Minute Calculator](https://top10k.com/tool/drops-per-minute-iv): Convert an IV infusion rate in mL/hr to drops per minute for manual gravity drip sets; supports standard (20 gtt/mL), pediatric (60 gtt/mL), and blood (10 gtt/mL) drip factors. - [Drug Burden Index Calculator](https://top10k.com/tool/drug-burden-index): Calculates the Drug Burden Index (DBI) for elderly patients — a pharmacological load score measuring cumulative exposure to sedative and anticholinergic drugs based on dose and minimum effective dose. - [Drug Elution Rate Calculator](https://top10k.com/tool/drug-elution-rate) - [Due Date Calculator](https://top10k.com/tool/due-date-calculator): Estimates a pregnancy due date based on the first day of the last menstrual period (LMP) using Naegele's rule. - [Duke Endocarditis Criteria](https://top10k.com/tool/duke-endocarditis-criteria): Applies the modified Duke criteria (major and minor) to classify infective endocarditis likelihood as Definite, Possible, or Rejected. - [Duke Treadmill Score Calculator](https://top10k.com/tool/duke-treadmill-score): Calculates the Duke Treadmill Score to estimate cardiovascular risk and prognosis from exercise stress test results. - [ECOG Performance Status Scale](https://top10k.com/tool/ecog-performance-status): Interactive reference and scorer for the ECOG (Eastern Cooperative Oncology Group) performance status scale used in oncology to assess patient functional ability for clinical trials and treatment d… - [Edinburgh Postnatal Depression Scale (EPDS)](https://top10k.com/tool/edinburgh-postnatal-depression): Interactive 10-item Edinburgh Postnatal Depression Scale questionnaire that scores perinatal depression risk (0–30), with cut-off guidance and a prompt to seek professional support if score is elev… - [EDSS Multiple Sclerosis Scale](https://top10k.com/tool/edss-multiple-sclerosis): Reference and lookup tool for the Expanded Disability Status Scale (EDSS), the standard measure of disability in multiple sclerosis. Select any score from 0 to 10 to view its clinical description, … - [eGFR Calculator](https://top10k.com/tool/egfr-calculator): Estimates glomerular filtration rate using the CKD-EPI 2021 creatinine equation (no race variable) to stage chronic kidney disease. - [eGFR for Contrast Safety Checker](https://top10k.com/tool/egfr-for-contrast): Estimates eGFR using the CKD-EPI 2021 creatinine equation and flags contrast media safety thresholds (eGFR <30 high risk, 30–45 caution) for radiology and imaging decisions. Educational reference o… - [eGFR Dose Adjustment for Eye Medications](https://top10k.com/tool/egfr-for-eye-meds): Calculates CKD-EPI eGFR from serum creatinine and flags dose adjustment requirements for common ophthalmic drugs (carbonic anhydrase inhibitors, systemic acetazolamide) in patients with chronic kid… - [eGFR MDRD Calculator](https://top10k.com/tool/egfr-mdrd-calculator): Estimate glomerular filtration rate using the 4-variable MDRD equation (serum creatinine, age, sex, race) to stage chronic kidney disease per KDIGO guidelines. - [Ejection Fraction Calculator](https://top10k.com/tool/ejection-fraction-calculator): Calculate cardiac ejection fraction (EF) from end-diastolic volume (EDV) and end-systolic volume (ESV). Shows EF percentage and classification: normal, mildly reduced, moderately reduced, or severe… - [Electrolyte Replacement Reference](https://top10k.com/tool/electrolyte-replacement) - [EPO Dosing Calculator](https://top10k.com/tool/epo-dosing): Calculates erythropoietin (EPO/epoetin alfa) dosing for anemia management in chronic kidney disease (CKD) and dialysis patients, based on body weight and target hemoglobin. For reference only — alw… - [Epworth Sleepiness Scale](https://top10k.com/tool/epworth-sleepiness): Score daytime sleepiness by rating likelihood of dozing in 8 everyday situations; total 0-24 with severity interpretation. - [Estimated Fetal Weight Calculator](https://top10k.com/tool/estimated-fetal-weight): Estimates fetal weight using Hadlock ultrasound biometry formulas (BPD, HC, AC, FL). Returns EFW in grams and pounds, with percentile interpretation by gestational age. - [Exchange Transfusion Volume](https://top10k.com/tool/exchange-transfusion-volume): Calculates the blood volume needed for a neonatal double-volume exchange transfusion based on the infant's weight. - [Febrile Seizure Risk](https://top10k.com/tool/febrile-seizure-risk): Educational checklist of febrile-seizure recurrence factors: age at onset, family history, fever height, and fever duration before the seizure. - [Fecal Elastase Interpretation Helper](https://top10k.com/tool/fecal-elastase-helper): Interprets fecal elastase-1 test results to assess exocrine pancreatic insufficiency (EPI) severity and provides guidance on next steps. - [FENa Calculator](https://top10k.com/tool/fena-calculator): Calculates Fractional Excretion of Sodium (FENa) to differentiate pre-renal azotemia from intrinsic acute kidney injury. Uses the formula: FENa (%) = (urine Na × plasma Cr) / (plasma Na × urine Cr)… - [FEV1/FVC Ratio Calculator](https://top10k.com/tool/fev1-fvc-ratio): Calculate the FEV1/FVC ratio from spirometry values and compare it with a fixed 0.70 airflow-obstruction reference. - [FFP Dose Calculator](https://top10k.com/tool/ffp-dose-calc): Calculates the volume and number of units of Fresh Frozen Plasma (FFP) needed based on patient weight and selected dosing target for coagulation factor replacement. - [FIB-4 Fibrosis Index Calculator](https://top10k.com/tool/fib-4-fibrosis): Calculates the FIB-4 score to estimate liver fibrosis severity using age, AST, ALT, and platelet count. Commonly used to assess fibrosis in NAFLD, NASH, and chronic hepatitis. - [FIB-4 Index Calculator](https://top10k.com/tool/fib-4-index): Calculate the FIB-4 (Fibrosis-4) index to estimate liver fibrosis severity using age, AST, ALT, and platelet count. Interpret results as low, indeterminate, or high risk for advanced fibrosis. - [FIB-4 Index Calculator](https://top10k.com/tool/fib4-index-detail): Calculates the FIB-4 (Fibrosis-4) index for estimating liver fibrosis severity in patients with chronic liver disease, using age, AST, ALT, and platelet count, with interpretation of low/indetermin… - [Fisher Grade Calculator](https://top10k.com/tool/fisher-grade): Classify subarachnoid hemorrhage severity on CT scan using the Fisher grading scale (grades 1–4) to estimate cerebral vasospasm risk. - [Fitzpatrick Skin Type Classifier](https://top10k.com/tool/fitzpatrick-skin-type) - [FLIPI Lymphoma Score](https://top10k.com/tool/flipi-lymphoma): Calculates the Follicular Lymphoma International Prognostic Index (FLIPI) — scores age, Ann Arbor stage, hemoglobin, number of nodal areas, and serum LDH to stratify follicular lymphoma prognosis. - [Fluid Balance Calculator](https://top10k.com/tool/fluid-balance-calc): Calculate a patient's 24-hour fluid balance by summing all inputs (IV fluids, oral intake, blood products) and outputs (urine, drainage, insensible losses), then displaying the net balance. - [Fluid Maintenance Calculator](https://top10k.com/tool/fluid-maintenance-calculator): Calculates daily IV fluid maintenance requirements for pediatric patients using the Holliday-Segar method (4-2-1 rule), outputting mL/day and mL/hour rates. - [Fluoride Dose Calculator](https://top10k.com/tool/fluoride-dose-calculator): Calculates recommended fluoride supplementation dose for children based on age and water fluoride concentration per dental guidelines. - [Formula Mixing Calculator](https://top10k.com/tool/formula-mixing-calculator): Scale the exact water-to-scoop ratio printed on an infant formula label. Always follow the product label; this tool does not prescribe a mixing ratio. - [Fractional Excretion of Sodium (FENa) Calculator](https://top10k.com/tool/fractional-excretion-sodium): Calculates the Fractional Excretion of Sodium (FENa) to help differentiate pre-renal from intrinsic renal acute kidney injury using urine sodium, serum sodium, urine creatinine, and serum creatinin… - [Fractional Excretion of Urea Calculator](https://top10k.com/tool/fractional-excretion-urea): Calculates the Fractional Excretion of Urea (FEUrea) to differentiate prerenal from intrinsic acute kidney injury. Unlike FENa, FEUrea remains valid when the patient is on loop or thiazide diuretics. - [Fractional Shortening Calculator](https://top10k.com/tool/fractional-shortening): Calculate cardiac fractional shortening (FS%) from echocardiogram LV internal dimensions at end-diastole (LVEDD) and end-systole (LVESD), with interpretation of normal vs. abnormal ranges. - [Educational Fracture Risk Estimator](https://top10k.com/tool/fracture-risk-frax): Provides an educational, non-clinical fracture-risk estimate from common risk factors; it is not the official FRAX calculator. - [Frailty Index Calculator](https://top10k.com/tool/frailty-index-calculator): Calculates a clinical frailty index score based on health deficit accumulation to assess vulnerability in older adults. - [Framingham 10-Year Cardiovascular Risk Calculator — CHD, Heart](https://top10k.com/tool/framingham-10-year-risk): Estimates 10-year general cardiovascular disease risk using the 2008 Framingham lipid model for adults aged 30–74 without baseline CVD. - [Framingham Risk Score Calculator](https://top10k.com/tool/framingham-risk-score): Estimates 10-year cardiovascular disease (CVD) risk using the Framingham Heart Study point-score algorithm for age, cholesterol, HDL, blood pressure, smoking, and diabetes. - [Free Water Deficit Calculator](https://top10k.com/tool/free-water-deficit): Calculates free water deficit in hypernatremia using FWD = TBW × (serum Na / 140 − 1), where TBW is estimated from weight and sex. Outputs deficit in liters and suggests a safe correction rate. - [Free Water Deficit Calculator](https://top10k.com/tool/free-water-deficit-calculator): Calculates the free water deficit in hypernatremia patients based on body weight, sex, and serum sodium. - [GAD-2 Anxiety Screener](https://top10k.com/tool/gad-2-anxiety): Two-item Generalized Anxiety Disorder (GAD-2) screener. Presents both questions with 4-point Likert scale (0=Not at all, 1=Several days, 2=More than half the days, 3=Nearly every day). Sums to 0-6 … - [GAD-7 Anxiety Scale](https://top10k.com/tool/gad-7-anxiety): Interactive 7-item Generalized Anxiety Disorder (GAD-7) questionnaire that scores anxiety severity — Minimal, Mild, Moderate, or Severe — with a total 0–21 score and guidance on next steps. - [GAD-7 Anxiety Score Calculator](https://top10k.com/tool/gad-7-anxiety-score): Scores the 7-item Generalized Anxiety Disorder scale (GAD-7), shows total score, severity level, and clinical interpretation; for educational/screening reference only. - [Gait Speed Calculator](https://top10k.com/tool/gait-speed-calculator): Calculates walking gait speed from distance and time, interprets clinical thresholds used in rehabilitation and geriatric assessment. - [Glasgow Coma Scale (GCS) Calculator](https://top10k.com/tool/gcs-glasgow-coma): Calculates the Glasgow Coma Scale score from eye, verbal, and motor response subscores to assess level of consciousness. - [Revised Geneva Score for PE](https://top10k.com/tool/geneva-pe-detail): Calculates the Revised Geneva Score to assess pre-test probability of pulmonary embolism with per-criterion point breakdown and clinical guidance. - [Geneva Score for PE Calculator](https://top10k.com/tool/geneva-score-pe) - [Gentamicin Dosing Calculator](https://top10k.com/tool/gentamicin-dosing): Calculates once-daily and traditional (multiple-daily) gentamicin dosing based on patient weight, renal function (CrCl), and indication — a reference tool for infectious disease and critical care. - [Gestational Age Calculator](https://top10k.com/tool/gestational-age-calculator): Calculates current gestational age and estimated due date from LMP or from a known gestational age at ultrasound date. - [Gestational Age by Ultrasound](https://top10k.com/tool/gestational-age-ultrasound): Estimates gestational age and estimated due date from ultrasound measurements (CRL, BPD, FL, HC) using standard obstetric formulas. - [Timed Up and Go (TUG) Test Interpreter](https://top10k.com/tool/get-up-and-go-test): Interprets the Timed Up and Go (TUG) test score for elderly fall-risk assessment. Enter the time in seconds to get a risk classification, clinical interpretation, and recommended follow-up actions. - [GFR CKD-EPI Calculator](https://top10k.com/tool/gfr-ckd-epi-calculator): Estimates Glomerular Filtration Rate (eGFR) using the 2021 CKD-EPI creatinine equation to stage chronic kidney disease. - [Glasgow Alcoholic Hepatitis Score Calculator](https://top10k.com/tool/glasgow-alcoholic-hepatitis): Calculates the Glasgow Alcoholic Hepatitis Score (GAHS) to predict 28-day survival in alcoholic hepatitis. Score ≥9 indicates poor prognosis and need for corticosteroid therapy. - [Glasgow-Blatchford Score (Detailed)](https://top10k.com/tool/glasgow-blatchford-detailed): Calculates the Glasgow-Blatchford Score (GBS) for upper GI bleeding risk stratification — predicts need for clinical intervention and risk of rebleeding or death. - [Glasgow Coma Scale](https://top10k.com/tool/glasgow-coma-scale) - [Glasgow-Imrie Pancreatitis Score](https://top10k.com/tool/glasgow-imrie-pancreatitis): Calculates the Glasgow-Imrie (Imrie) score for predicting severe acute pancreatitis at 48 hours using 8 clinical criteria. - [Glasgow Outcome Scale](https://top10k.com/tool/glasgow-outcome-scale): Rates neurological outcome after traumatic brain injury using the 5-level Glasgow Outcome Scale (GOS), with level descriptions and interpretation. - [Gleason Score Reference](https://top10k.com/tool/gleason-score-reference): Interactive reference for the Gleason grading system used in prostate cancer pathology — maps primary and secondary grades (1–5) to Gleason score, Grade Group, and clinical interpretation. - [Glucose mg/dL to mmol/L Converter](https://top10k.com/tool/glucose-mg-dl-to-mmol): Converts blood glucose levels between mg/dL (US) and mmol/L (international) units, with clinical reference ranges for fasting, postprandial, and A1C correlation. - [Glycemic Load Calculator](https://top10k.com/tool/glycemic-load-calculator): Calculate glycemic load (GL = GI × carbs / 100) for any food and classify it as low, medium, or high. Includes a reference table of 30+ common foods with GI and typical serving sizes. - [GRACE ACS Score](https://top10k.com/tool/grace-acs-score): Calculates the GRACE (Global Registry of Acute Coronary Events) score to estimate in-hospital and 6-month mortality risk after acute coronary syndrome. - [GRACE Score Calculator](https://top10k.com/tool/grace-score): Calculate the GRACE (Global Registry of Acute Coronary Events) score to estimate in-hospital and 6-month mortality risk for acute coronary syndrome patients. - [Growth Velocity Calculator](https://top10k.com/tool/growth-velocity-calculator): Calculate child growth velocity (height and weight gain per month or year) and compare against standard pediatric growth rate references for infants, toddlers, and children. - [GTT Glucose Screening Interpreter](https://top10k.com/tool/gtt-glucose-screening): Interprets 1-hour 50g glucose challenge test (GCT) and 3-hour 100g OGTT results for gestational diabetes screening using Carpenter-Coustan or NDDG criteria. - [Half Life Drug Calculator](https://top10k.com/tool/half-life-drug-calculator): Calculates drug concentration remaining in the body after a given number of half-lives, and estimates how long until a drug is mostly eliminated. - [Hamilton Anxiety Rating Scale](https://top10k.com/tool/hamilton-anxiety): Score the Hamilton Anxiety Rating Scale (HAM-A) — a 14-item clinician-rated questionnaire measuring anxiety severity across psychic and somatic dimensions. - [Hamilton Depression Rating Scale (HAM-D 17)](https://top10k.com/tool/hamilton-depression): Scores the 17-item Hamilton Depression Rating Scale (HAM-D) to assess depression severity in clinical settings. - [Harris-Benedict BMR Calculator](https://top10k.com/tool/harris-benedict-bmr): Calculates Basal Metabolic Rate using the Harris-Benedict equation and Mifflin-St Jeor formula, multiplied by activity factor for Total Daily Energy Expenditure (TDEE). - [Harris Hip Score Calculator](https://top10k.com/tool/harris-hip-score): Calculates the Harris Hip Score (HHS) to assess hip function and pain after hip arthroplasty or injury. - [Harvey-Bradshaw Index](https://top10k.com/tool/harvey-bradshaw-index): Calculates the Harvey-Bradshaw Index (HBI) to assess Crohn's disease activity. Scores general well-being, abdominal pain, number of liquid stools per day, abdominal mass, and complications. - [HAS-BLED Bleeding Risk Score](https://top10k.com/tool/has-bled-bleeding): Calculates the HAS-BLED score to estimate major bleeding risk in patients on anticoagulation therapy for atrial fibrillation (scores 0-9 with risk interpretation). - [HAS-BLED Score Calculator](https://top10k.com/tool/has-bled-score): Calculate the HAS-BLED bleeding risk score for patients on anticoagulation therapy with atrial fibrillation — scores risk factors H/A/S/B/L/E/D with interpretation. - [HbA1c to eAG Converter](https://top10k.com/tool/hba1c-to-eag): Convert HbA1c (%) to estimated Average Glucose (eAG) in mg/dL and mmol/L using the ADA formula. Also converts eAG back to HbA1c. Shows diabetes management interpretation tiers. - [Heart Pathway Score (HEART Score)](https://top10k.com/tool/heart-pathway-score) - [Heart Rate Zone Calculator](https://top10k.com/tool/heart-rate-zone-calculator): Calculate your maximum heart rate using the Tanaka or classic 220-age formula, then see your five training zones. Enter a resting heart rate to switch to the Karvonen (heart rate reserve) formula f… - [HEART Score Calculator](https://top10k.com/tool/heart-score-calculator): Calculates the HEART score for chest pain risk stratification (History, ECG, Age, Risk factors, Troponin) to classify patients as low, moderate, or high risk for major adverse cardiac events. - [HEART Score for ED Chest Pain](https://top10k.com/tool/heart-score-ed): Calculates the HEART score (History, ECG, Age, Risk factors, Troponin) to risk-stratify chest pain patients in the emergency department. Score 0–10 maps to low, moderate, or high risk for major adv… - [Hemoglobin Rise Per Unit of pRBC](https://top10k.com/tool/hemoglobin-rise-per-unit): Estimates the expected hemoglobin increase after transfusing packed red blood cells (pRBC) based on patient weight and starting Hgb. - [Hemoglobin Unit Converter](https://top10k.com/tool/hemoglobin-unit-converter): Convert hemoglobin concentration between g/dL, g/L, mmol/L, mg/dL, and mg/L. Includes an accessible conversion chart and optional comparison with the range printed on your own laboratory report. - [Heparin Dosing Calculator](https://top10k.com/tool/heparin-dosing-calculator): Illustrates one institutional-style high-intensity VTE UFH regimen using an 80 units/kg bolus and 18 units/kg/hr infusion. Not for prescribing. - [Herd Immunity Threshold Calculator](https://top10k.com/tool/herd-immunity-threshold): Calculates the idealized homogeneous-population threshold HIT = 1 − 1/R0 and a simple vaccine-efficacy coverage adjustment. - [HINT Vertigo Helper](https://top10k.com/tool/hint-vertigo-helper): Educational guide to the 3-part HINTS examination for trained clinicians assessing acute vestibular syndrome; it does not assess positional BPPV. - [HIV Risk Assessment](https://top10k.com/tool/hiv-risk-assessment): Estimates relative HIV transmission risk for common exposure routes using CDC-published per-act transmission probability data. Educational reference only — not a diagnostic tool. - [HOMA-β Beta Cell Function Calculator](https://top10k.com/tool/homa-beta-cell): Calculates pancreatic beta-cell function percentage using the HOMA-β formula from fasting plasma glucose and fasting insulin levels. - [HOMA-IR Calculator](https://top10k.com/tool/homa-ir-calculator): Calculates the Homeostatic Model Assessment of Insulin Resistance (HOMA-IR) score from fasting glucose and fasting insulin values to assess insulin resistance. - [HOMA-IR Insulin Resistance Calculator](https://top10k.com/tool/homa-ir-insulin): Calculates the HOMA-IR index from fasting glucose and insulin levels to estimate insulin resistance. - [Hunt-Hess Subarachnoid Hemorrhage Scale](https://top10k.com/tool/hunt-hess-detailed): Grades subarachnoid hemorrhage (SAH) severity using the Hunt-Hess clinical grading scale (Grades I-V) with mortality risk and management guidance. - [Hunt and Hess Score Calculator](https://top10k.com/tool/hunt-hess-score): Calculates the Hunt and Hess grade for subarachnoid hemorrhage severity and prognosis. Select the clinical findings that best match your patient to determine the grade and estimated surgical mortal… - [ICH Score Calculator](https://top10k.com/tool/ich-score): Calculates the ICH (Intracerebral Hemorrhage) Score for 30-day mortality risk in patients with intracerebral hemorrhage, based on GCS, ICH volume, intraventricular hemorrhage, infratentorial origin… - [ICH Volume ABC/2 Calculator](https://top10k.com/tool/ich-volume-abc): Calculates intracerebral hemorrhage (ICH) volume using the ABC/2 formula from CT scan measurements (A = longest axis, B = perpendicular width, C = number of slices x slice thickness), with severity… - [Ideal Body Weight Calculator](https://top10k.com/tool/ideal-body-weight): Calculates Ideal Body Weight (IBW) using four validated clinical formulas — Devine, Robinson, Miller, and Hamwi — plus the BMI-based healthy weight range. Inputs: height (cm or ft/in), sex. Results… - [Ideal Weight Calculator](https://top10k.com/tool/ideal-weight-calculator): Calculate your ideal body weight using four clinically recognized formulas — Devine, Robinson, Miller, and Hamwi — plus the BMI-based healthy weight range (BMI 18.5–24.9) for your height and sex. - [Intermittent Fasting Eating Window Calculator](https://top10k.com/tool/if-eating-window-calculator): Calculates eating and fasting windows for intermittent fasting protocols (16:8, 18:6, 20:4, OMAD) based on a chosen fasting duration and start time. - [IIEF Erectile Function Score Calculator](https://top10k.com/tool/iief-erectile-function): Scores the International Index of Erectile Function (IIEF-5 / SHIM) questionnaire to assess erectile dysfunction severity — a validated clinical tool used by urologists worldwide. - [Dental Impression Material Ratio Calculator](https://top10k.com/tool/impression-material-ratio): Calculates water-to-powder mixing ratios for dental impression materials (alginate, gypsum, plaster) based on the amount needed, with volume and weight outputs. - [Incidence Rate & Cumulative Incidence Calculator](https://top10k.com/tool/incidence-rate-calculator): Calculate person-time incidence rates with exact Garwood Poisson 95% confidence intervals or cumulative incidence (risk) with Wilson score intervals. - [Infant Formula Intake Calculator](https://top10k.com/tool/infant-formula-intake): Estimates daily formula intake using the AAP weight-based rule of thumb and usual 32 fl oz/day upper limit, with a per-feeding breakdown for discussion with a pediatrician. - [IV Infusion Rate Calculator](https://top10k.com/tool/infusion-rate-calculator): Calculate IV infusion pump rates (mL/hr) and gravity drip rates (gtt/min) from volume and time, or convert weight-based medication doses (mcg/kg/min, mg/kg/hr) to pump rates. - [INR Reversal Calculator](https://top10k.com/tool/inr-reversal-calculator) - [Insomnia Severity Index](https://top10k.com/tool/insomnia-severity-index) - [Insulin Dose Calculator](https://top10k.com/tool/insulin-dose-calculator): Calculate correction (sliding scale) and meal bolus insulin doses based on current blood glucose, target glucose, insulin sensitivity factor, and carbohydrate intake. - [Insulin Sensitivity Factor Calculator](https://top10k.com/tool/insulin-sensitivity-factor): Calculates Insulin Sensitivity Factor (ISF) — also called correction factor — using the 1800 Rule for regular insulin or 1700 Rule for rapid-acting insulin, to determine how much 1 unit of insulin … - [Intraocular Pressure Correction Calculator](https://top10k.com/tool/intraocular-pressure-correction): Corrects measured intraocular pressure (IOP) for central corneal thickness (CCT) using the Ehlers correction formula for glaucoma screening and management. - [IOL Power Helper](https://top10k.com/tool/iol-power-helper): Estimates intraocular lens (IOL) power for cataract surgery using the SRK/T formula. Enter axial length, keratometry readings, and desired post-op refraction to calculate the recommended IOL power.… - [IPI Lymphoma Score](https://top10k.com/tool/ipi-lymphoma): Calculates the International Prognostic Index (IPI) for aggressive non-Hodgkin lymphoma — scores age, LDH, ECOG performance status, Ann Arbor stage, and extranodal sites to predict overall survival. - [IPSS Prostate Symptom Score](https://top10k.com/tool/ipss-prostate-symptom): Calculates the International Prostate Symptom Score (IPSS) to assess lower urinary tract symptoms and BPH severity - [IPSS-R MDS Score](https://top10k.com/tool/ipss-r-mds): Calculates the Revised International Prognostic Scoring System (IPSS-R) for myelodysplastic syndromes — scores cytogenetics, bone marrow blasts, hemoglobin, platelets, and ANC to stratify MDS risk … - [Iron Deficit Calculator](https://top10k.com/tool/iron-deficit-calculator): Calculates the total iron deficit in mg using the Ganzoni formula based on patient weight, actual hemoglobin, and target hemoglobin. - [Iron Deficit Calculator (Ganzoni Formula)](https://top10k.com/tool/iron-deficit-ganzoni): Calculates total iron deficit using the Ganzoni formula based on patient weight, actual hemoglobin, and target hemoglobin, used to determine intravenous iron dosing in iron deficiency anemia. - [Iron Dose Total Calculator](https://top10k.com/tool/iron-dose-total-detail) - [Iron Saturation Calculator](https://top10k.com/tool/iron-saturation-lab): Calculates transferrin saturation (iron saturation %) from serum iron and TIBC lab values, with interpretation for iron deficiency and iron overload. - [IV Drip Rate Calculator](https://top10k.com/tool/iv-drip-rate-calculator): Calculates IV infusion rate as drops per minute (gtt/min) and mL per hour from volume, time, and drop factor, with a reverse rate calculator for gravity drip sets. - [Karnofsky Performance Status](https://top10k.com/tool/karnofsky-performance) - [Katch-McArdle BMR Calculator](https://top10k.com/tool/katch-mcardle-bmr): Calculates Basal Metabolic Rate using the Katch-McArdle formula (BMR = 370 + 21.6 × LBM) from lean body mass, with TDEE across all five activity levels. - [Katz ADL Score](https://top10k.com/tool/katz-adl-score) - [KDIGO AKI Staging](https://top10k.com/tool/kdigo-aki-staging): Stages acute kidney injury (AKI) per KDIGO 2012 guidelines using serum creatinine rise (absolute or percentage) or urine output criteria to produce a Stage 1/2/3 result. - [Keto Macro Calculator](https://top10k.com/tool/keto-macro-calculator): Calculates daily macronutrient targets (fat, protein, carbs) for a ketogenic diet based on personal stats and goals. - [Khorana VTE Risk Score for Cancer Patients](https://top10k.com/tool/khorana-vte-cancer): Calculates the Khorana Score to predict venous thromboembolism (VTE) risk in ambulatory cancer patients starting chemotherapy, based on cancer site, CBC, and BMI. - [Killip Class Calculator](https://top10k.com/tool/killip-class-calculator): Determines Killip classification (I–IV) for acute myocardial infarction based on clinical signs of heart failure, with associated 30-day mortality estimates. - [King's College Criteria for Liver Failure](https://top10k.com/tool/kings-college-criteria): Applies the King's College Hospital criteria to assess prognosis in acute liver failure — separate criterion sets for acetaminophen (paracetamol) and non-acetaminophen etiologies, indicating whethe… - [Knee Society Score](https://top10k.com/tool/knee-society-score): Calculates the two separate scores in the historical 1989 Knee Society Clinical Rating System from clinician-assessed knee and function inputs. - [Kt/V Dialysis Calculator](https://top10k.com/tool/kt-v-dialysis): Calculates Kt/V dialysis adequacy using the Daugirdas second-generation formula to assess whether a hemodialysis session delivered sufficient urea clearance. - [Lawton IADL Score](https://top10k.com/tool/lawton-iadl-score) - [LDL Cholesterol Calculator](https://top10k.com/tool/ldl-calculator): Estimates LDL cholesterol using the Friedewald equation: LDL = Total Cholesterol - HDL - (Triglycerides / 5). Works with mg/dL or mmol/L. - [LDL Cholesterol Calculator (Friedewald)](https://top10k.com/tool/ldl-friedewald): Estimates LDL cholesterol using the Friedewald equation from total cholesterol, HDL, and triglycerides. Shows step-by-step formula breakdown in mg/dL and mmol/L. - [Lean Body Mass Calculator](https://top10k.com/tool/lean-body-mass-calculator): Calculates lean body mass (total weight minus body fat) using the Boer formula for men and women. - [Lean Body Weight Calculator](https://top10k.com/tool/lean-body-weight): Calculate Lean Body Weight (LBW) using the Janmahasatian formula (2005), the most widely used clinical equation for drug dosing. Also shows the older Hume formula for comparison. Inputs: weight, he… - [Leg Length Discrepancy Calculator](https://top10k.com/tool/leg-length-discrepancy): Calculate leg length discrepancy (LLD) from direct or indirect measurements and estimate the recommended heel lift or orthopaedic correction needed. - [Levothyroxine Dose Calculator](https://top10k.com/tool/levothyroxine-dose-calculator): Estimates a starting levothyroxine dose for hypothyroidism based on body weight and clinical condition. For educational reference only — always consult a licensed physician before starting or adjus… - [Levothyroxine Weight-Based Dose Calculator](https://top10k.com/tool/levothyroxine-weight-dose): Estimates initial levothyroxine (T4) dose in mcg/day based on patient weight and indication (hypothyroidism or TSH suppression), with a physician verification disclaimer. - [Life Expectancy Estimator](https://top10k.com/tool/life-expectancy-estimator): Estimates remaining life expectancy based on current age, sex, and key lifestyle factors — smoking, BMI, exercise, and diet — using actuarial adjustment factors applied to US SSA life table baselines. - [Lille Model for Alcoholic Hepatitis](https://top10k.com/tool/lille-model): Calculates the Lille score to predict 6-month mortality and assess steroid response in severe alcoholic hepatitis. Score > 0.45 = non-responder; score <= 0.45 = responder. - [Loading Dose Calculator](https://top10k.com/tool/loading-dose-calculator): Calculate a pharmacokinetic loading dose from target plasma concentration, volume of distribution, and body weight to rapidly reach a therapeutic drug level. - [Local Anesthetic Max Dose Calculator](https://top10k.com/tool/local-anesthetic-max-dose): Calculates the maximum safe dose of local anesthetics (lidocaine, bupivacaine, mepivacaine, prilocaine, articaine) based on patient weight for dental and medical procedures. - [LogMAR Visual Acuity Converter](https://top10k.com/tool/logmar-converter): Converts visual acuity notations across LogMAR, standard and reduced-distance Snellen fractions (feet and meters), decimal acuity, and estimated ETDRS letter scores. - [Lung-RADS Score Helper](https://top10k.com/tool/lung-rads-helper): Determine Lung-RADS category (2–4X) from CT lung nodule findings and recommend follow-up interval per ACR 2022 guidelines. - [Macronutrient Calculator](https://top10k.com/tool/macro-calculator): Calculate your daily protein, fat, and carbohydrate targets based on your calorie goal, fitness goal (cut, maintain, or bulk), and preferred diet style. Outputs grams, calories, and percentages per… - [Maddrey Discriminant Function](https://top10k.com/tool/maddrey-discriminant): Calculates Maddrey Discriminant Function (DF = 4.6 × PT prolongation + serum bilirubin) to assess severity of alcoholic hepatitis and guide steroid therapy decisions. - [Maddrey's Discriminant Function Calculator](https://top10k.com/tool/maddreys-discriminant-function): Calculates Maddrey's Discriminant Function (MDF) score to assess severity of alcoholic hepatitis and guide steroid therapy decisions. - [Drug Maintenance Dose Calculator](https://top10k.com/tool/maintenance-dose-calculator): Calculates the maintenance dose of a drug based on clearance rate and target steady-state concentration. - [Mallampati Score Helper](https://top10k.com/tool/mallampati-helper): Interactive reference tool for classifying Mallampati airway score (Class I-IV) based on oropharyngeal visibility for pre-intubation assessment. - [Mallampati Score Airway Assessment](https://top10k.com/tool/mallampati-reference): Interactive reference for the Mallampati airway classification (Class I-IV) used in pre-anesthesia assessment. Shows visual descriptions of each class and predicts difficult intubation risk. - [MAP Calculator](https://top10k.com/tool/map-calculator): Calculates Mean Arterial Pressure (MAP) from systolic and diastolic blood pressure using the formula MAP = DBP + (1/3)(SBP - DBP), with clinical interpretation. - [MASCC Febrile Neutropenia Risk Score](https://top10k.com/tool/mascc-febrile-neutropenia) - [Massive Transfusion Protocol Ratio Calculator](https://top10k.com/tool/massive-transfusion-ratio): Estimates adult fixed-pack pRBC, FFP, and apheresis platelet quantities for educational comparison of massive transfusion ratios. - [Max Heart Rate Calculator](https://top10k.com/tool/max-heart-rate-calculator): Calculates maximum heart rate and target heart rate training zones based on age using multiple formulas (Fox, Tanaka, Gulati). Compare results side by side and see five training zones for each form… - [Mayo UC Score Calculator](https://top10k.com/tool/mayo-uc-score): Calculates the full and partial Mayo Score for Ulcerative Colitis disease activity assessment used in clinical trials and gastroenterology practice. - [McFarland Standard Calculator](https://top10k.com/tool/mcfarland-standard): Looks up nominal McFarland turbidity values and approximate bacterial density, with clear OD and organism limitations. - [mcg/kg/min Drip Rate Calculator](https://top10k.com/tool/mcg-kg-min-calculator): Converts between mcg/kg/min dose rates and mL/hr infusion rates for vasoactive IV drips (dopamine, dobutamine, norepinephrine). Enter drug concentration, patient weight, and desired dose to get pum… - [MCV MCH MCHC Calculator](https://top10k.com/tool/mcv-mch-mchc-calculator): Calculates the three key red blood cell indices — Mean Corpuscular Volume (MCV), Mean Corpuscular Hemoglobin (MCH), and Mean Corpuscular Hemoglobin Concentration (MCHC) — from CBC inputs, with norm… - [MDQ Bipolar Screening](https://top10k.com/tool/mdq-bipolar): Interactive Mood Disorder Questionnaire (MDQ) screening tool for bipolar disorder with scored results and interpretation - [MDRD GFR Calculator](https://top10k.com/tool/mdrd-gfr): Estimates glomerular filtration rate using the 4-variable MDRD equation and the 2021 race-free CKD-EPI formula, with KDIGO CKD stage classification. - [Meal Calorie Splitter](https://top10k.com/tool/meal-calorie-splitter): Split a meal's total calories among multiple people based on what each person ate, and calculate each person's calorie share. - [Mean Arterial Pressure Calculator](https://top10k.com/tool/mean-arterial-pressure-calculator): Calculates mean arterial pressure (MAP) from systolic and diastolic blood pressure readings, with clinical interpretation. - [Mean Arterial Pressure Clinical Calculator](https://top10k.com/tool/mean-arterial-pressure-clinical): Calculates Mean Arterial Pressure (MAP) from systolic and diastolic blood pressure readings, with clinical interpretation ranges for critical care and general practice. - [Melanoma Breslow Thickness Helper](https://top10k.com/tool/melanoma-breslow-helper): Classify melanoma staging by Breslow thickness (AJCC 8th edition). Get T-stage, sentinel lymph node biopsy guidance, mitotic-rate context, and survival estimates. - [MELD 3.0 Score Calculator](https://top10k.com/tool/meld-3-0): Calculates the adult MELD 3.0 score used in U.S. liver allocation from bilirubin, INR, creatinine, sodium, albumin, dialysis status, and sex. - [MELD-Na Score Calculator](https://top10k.com/tool/meld-na): Calculates the historical 2016 MELD-Na score for education and comparison. U.S. OPTN allocation has used the newer MELD 3.0 formula since July 2023. - [MELD-Na Score Calculator](https://top10k.com/tool/meld-na-score): Calculates the historical 2016 MELD-Na score for education and comparison; current U.S. OPTN allocation uses MELD 3.0. - [MELD-Na Transplant Score](https://top10k.com/tool/meld-na-transplant): Calculates the historical 2016 MELD-Na score for comparison. Current U.S. OPTN liver allocation uses MELD 3.0, not MELD-Na. - [MELD Score Calculator](https://top10k.com/tool/meld-score): Calculates the Model for End-Stage Liver Disease (MELD and MELD-Na) score for liver transplant priority and 90-day mortality risk assessment in patients with chronic liver disease. - [MELD Score Calculator](https://top10k.com/tool/meld-score-calculator): Calculates the Model for End-Stage Liver Disease (MELD) score to assess liver disease severity and transplant priority. - [Bacterial Meningitis Score (BMS) Calculator](https://top10k.com/tool/meningitis-bacterial-score): Calculate the Bacterial Meningitis Score (BMS) for children 29 days to 19 years with suspected meningitis. Scores CSF Gram stain, CSF ANC, CSF protein, peripheral ANC, and seizure history to strati… - [MET Calculator](https://top10k.com/tool/met-calculator): Calculates calories burned during physical activity using Metabolic Equivalent of Task (MET) values, body weight, and duration. - [MEWS Score Calculator](https://top10k.com/tool/mews-score): Calculate the original Subbe Modified Early Warning Score (MEWS) from systolic BP, heart rate, respiratory rate, temperature, and AVPU consciousness level. Educational use only; follow local escala… - [Mid-Parental Height Calculator](https://top10k.com/tool/mid-parental-height): Predicts a child's adult height using the mid-parental height formula based on both parents' heights and the child's sex, with the ±2 SD range (±8.5 cm / ±3.35 in) displayed in both metric and impe… - [MIDAS Migraine Disability Assessment](https://top10k.com/tool/midas-migraine-disability): Scores the MIDAS (Migraine Disability Assessment) questionnaire to grade how much migraines affect your daily activities over the past 3 months. - [Mifflin-St Jeor BMR Calculator](https://top10k.com/tool/mifflin-st-jeor-bmr): Calculates Basal Metabolic Rate using the Mifflin-St Jeor equation, then applies an activity multiplier to show Total Daily Energy Expenditure (TDEE) for weight maintenance, loss, or gain. - [Milliequivalent Calculator](https://top10k.com/tool/milliequivalent-calculator) - [Minute Ventilation Calculator](https://top10k.com/tool/minute-ventilation): Calculates minute ventilation (MV = tidal volume x respiratory rate) for clinical respiratory assessment. Supports mL and L inputs with normal range guidance. - [MMSE Cognitive Score Calculator](https://top10k.com/tool/mmse-cognitive): Calculates the Mini-Mental State Examination (MMSE) total score from domain sub-scores and interprets the result for cognitive impairment screening. - [MNA Nutrition Elderly](https://top10k.com/tool/mna-nutrition-elderly): Mini Nutritional Assessment (MNA) screening tool to identify malnutrition risk in elderly patients - [MoCA Score Reference](https://top10k.com/tool/moca-reference) - [Modified Rankin Scale](https://top10k.com/tool/modified-rankin-scale): Scores neurological disability and independence after stroke using the 7-point Modified Rankin Scale (0–6) with clinical interpretation. - [Morse Fall Scale Calculator](https://top10k.com/tool/morse-fall-scale) - [Mortality Rate Calculator](https://top10k.com/tool/mortality-rate-calculator): Calculates crude mortality rate, case fatality rate (CFR), infection fatality rate (IFR), and years of potential life lost (YPLL) from deaths and population data. - [D’Amico Prostate Cancer Risk Group Calculator](https://top10k.com/tool/mskcc-prognosis): Classifies localized prostate cancer as low, intermediate, or high risk using the published D’Amico criteria and three inputs: pretreatment PSA, biopsy Gleason score, and clinical T stage. - [NAFLD Fibrosis Score Calculator](https://top10k.com/tool/nafld-fibrosis-score): Calculates the NAFLD Fibrosis Score (NFS) to estimate liver fibrosis stage in non-alcoholic fatty liver disease. Scores below -1.455 indicate low fibrosis risk (F0–F2); scores above 0.676 indicate … - [Navy Body Fat Calculator](https://top10k.com/tool/navy-body-fat-calculator): Estimates body fat percentage using the US Navy circumference method (neck, waist, hips for women; neck, waist for men) for both imperial and metric units. - [NCCN Prostate Cancer Risk Stratification Calculator](https://top10k.com/tool/nccn-risk-prostate): Stratifies localized prostate cancer into NCCN risk categories based on clinical T stage, PSA, Gleason Grade Group, core involvement, and PSA density. - [Neck Disability Index](https://top10k.com/tool/neck-disability-index): Score neck pain and disability using the 10-item NDI questionnaire (0–50 points) with severity classification from no disability to complete disability. - [Neonatal Bilirubin Risk Estimator](https://top10k.com/tool/neonatal-bilirubin-risk) - [Net Carbs Calculator](https://top10k.com/tool/net-carbs-calculator): Calculates net carbohydrates by subtracting fiber and sugar alcohols from total carbs, useful for ketogenic and low-carb diet tracking. - [NEWS2 Score Calculator](https://top10k.com/tool/news2-score): Calculate the National Early Warning Score 2 (NEWS2) to detect clinical deterioration. Scores respiratory rate, oxygen saturation, supplemental oxygen use, systolic BP, pulse, consciousness level, … - [NEXUS C-Spine Rule](https://top10k.com/tool/nexus-c-spine): Applies the NEXUS (National Emergency X-Radiography Utilization Study) low-risk criteria to decide if cervical spine imaging can be safely omitted after blunt trauma. - [NIHSS Stroke Scale (Detailed)](https://top10k.com/tool/nihss-detailed) - [NIHSS Stroke Scale Calculator](https://top10k.com/tool/nihss-stroke-scale): Scores NIH Stroke Scale (NIHSS) across 11 neurological items to quantify stroke severity and guide clinical decision-making. - [NIHSS Stroke Score Calculator](https://top10k.com/tool/nihss-stroke-score): Calculates the NIH Stroke Scale score (0-42) for assessing stroke severity across 11 neurological domains. - [Non-HDL Cholesterol Calculator](https://top10k.com/tool/non-hdl-cholesterol): Calculates non-HDL cholesterol from a standard lipid panel (Total Cholesterol minus HDL), with risk category interpretation per ACC/AHA guidelines. - [NYHA Heart Failure Classification Reference](https://top10k.com/tool/nyha-class-reference): Interactive reference for the New York Heart Association (NYHA) functional classification of heart failure. Select a class to view symptom criteria, clinical context, and typical management guidance. - [1RM Calculator](https://top10k.com/tool/one-rep-max-calculator): Estimate your one-rep max (1RM) from any weight and rep count using five validated formulas: Epley, Brzycki, Lander, Lombardi, and O'Conner. Generates a full training percentage table. - [One Rep Max Epley Calculator](https://top10k.com/tool/one-rep-max-epley): Estimates your one-repetition maximum (1RM) using the Epley formula from weight lifted and reps performed. - [Opioid Conversion Calculator](https://top10k.com/tool/opioid-conversion-calculator): Converts between opioid medications using morphine milligram equivalent (MME) ratios for safe dose comparisons. - [Opioid Morphine Equivalent Calculator](https://top10k.com/tool/opioid-morphine-equivalent): Converts opioid doses to oral morphine milligram equivalents (MME) using standard conversion factors for morphine, oxycodone, hydrocodone, fentanyl patch, codeine, tramadol, hydromorphone, and bupr… - [ORBIT Bleeding Score](https://top10k.com/tool/orbit-bleeding-score): Calculate the ORBIT bleeding risk score for patients on anticoagulation therapy. Scores age, renal impairment, prior bleeding, iron deficiency or anaemia, and antiplatelet use to predict major blee… - [Osmolarity of IV Fluid Calculator](https://top10k.com/tool/osmolarity-iv-fluid): Calculates the osmolarity (mOsm/L) of an IV solution from its components — dextrose, NaCl, KCl, and other additives — to assess tonicity and peripheral vs. central vein administration suitability. - [Oswestry Disability Index (ODI) Calculator](https://top10k.com/tool/oswestry-disability-index): Scores low back pain disability using the standardized 10-section Oswestry Disability Index questionnaire, with disability grade interpretation. - [Ottawa Ankle Rule](https://top10k.com/tool/ottawa-ankle-rule): Clinical decision aid implementing the Ottawa Ankle Rules — guides whether ankle or foot X-rays are needed after injury based on validated clinical criteria to reduce unnecessary imaging. - [Ottawa Knee Rule](https://top10k.com/tool/ottawa-knee-rule): Clinical decision tool implementing the Ottawa Knee Rules to determine whether a knee X-ray is indicated after acute knee injury. Five criteria checklist with pass/fail recommendation and sensitivi… - [Ovulation Calculator](https://top10k.com/tool/ovulation-calculator): Estimates ovulation date and fertile window based on last menstrual period and cycle length. - [Oxygenation Index Calculator](https://top10k.com/tool/oxygenation-index): Calculates the oxygenation index (OI) used in critical care to assess severity of hypoxemic respiratory failure. - [Pack Year Calculator](https://top10k.com/tool/pack-year-calculator) - [Padua Score](https://top10k.com/tool/padua-score): Calculates the Padua Prediction Score for VTE risk in hospitalized medical patients, with risk category and prophylaxis recommendation. - [Padua VTE Prophylaxis Score](https://top10k.com/tool/padua-vte-prophylaxis) - [PANSS Helper](https://top10k.com/tool/panss-helper): Calculates the Positive and Negative Syndrome Scale (PANSS) total score and subscale scores to assess schizophrenia symptom severity in clinical settings. - [PaO2/FiO2 Ratio Calculator](https://top10k.com/tool/pao2-fio2-ratio): Calculates the PaO2/FiO2 ratio (P/F ratio) used to assess the severity of acute respiratory distress syndrome (ARDS) and hypoxemic respiratory failure. - [Parkland Formula Calculator](https://top10k.com/tool/parkland-formula-calculator): Calculates IV fluid resuscitation volume for burn patients using the Parkland formula (4 mL × weight kg × %TBSA burned). Shows 24-hour total and the standard 8-hour / 16-hour split. - [PASI Psoriasis Score Calculator](https://top10k.com/tool/pasi-psoriasis-score): Calculates the Psoriasis Area and Severity Index (PASI) score used to assess psoriasis severity. - [PCL-5 PTSD Checklist Scorer](https://top10k.com/tool/pcl-5-ptsd): Scores the PTSD Checklist for DSM-5 (PCL-5), a 20-item self-report measure of PTSD symptom severity with cut-point guidance. - [Predicted Peak Flow Calculator](https://top10k.com/tool/peak-flow-predicted): Calculate predicted peak expiratory flow rate (PEFR) in L/min using Nunn & Gregg equations for adults and an ATS pediatric height-based reference equation. - [Pediatric Blood Pressure Percentile](https://top10k.com/tool/pediatric-blood-pressure-percentile): Estimates blood pressure percentile for children aged 1-17 using AAP 2017 normative tables by age, sex, and height percentile, classifying readings as Normal, Elevated, Stage 1 HTN, or Stage 2 HTN. - [Pediatric BSA Dose Calculator](https://top10k.com/tool/pediatric-bsa-dose): Calculates pediatric drug doses based on body surface area (BSA) using Mosteller and DuBois formulas for safe dosing in children. - [Pediatric Dose Calculator](https://top10k.com/tool/pediatric-dose-calculator): Calculates weight-based pediatric medication doses in mg and liquid volume in mL from a child's weight, using mg/kg dosing for common preset and custom drugs. - [Pediatric Acetaminophen Dose Calculator](https://top10k.com/tool/pediatric-dosing-acetaminophen) - [Pediatric Ibuprofen Dosing Calculator](https://top10k.com/tool/pediatric-dosing-ibuprofen) - [Pediatric ETT Size Calculator](https://top10k.com/tool/pediatric-ett-size-detail): Calculates pediatric endotracheal tube (ETT) size, insertion depth, and cuff pressure recommendations by age and weight — for emergency medicine and anesthesia providers. - [Pediatric Fluid Maintenance Calculator](https://top10k.com/tool/pediatric-fluid-maintenance): Calculates daily and hourly pediatric maintenance fluid requirements using the Holliday-Segar (4-2-1) formula based on patient weight. - [Pediatric GFR Calculator (Bedside Schwartz)](https://top10k.com/tool/pediatric-gfr-bedside): Calculates estimated GFR in children using the Bedside Schwartz formula: eGFR = 0.413 × height(cm) / serum creatinine(mg/dL), used to assess kidney function in pediatric patients. - [Pediatric Maintenance Fluids Calculator](https://top10k.com/tool/pediatric-maintenance-fluids): Calculates pediatric IV maintenance fluid rate (mL/hr) and daily volume using the Holliday-Segar method based on weight. - [Pediatric Weight-Based Dose Calculator](https://top10k.com/tool/pediatric-weight-dose): Calculates weight-based pediatric medication doses (mg/kg) for common drugs; enter child weight and the mg/kg dose to get total dose and volume from concentration; for educational reference only. - [Pediatric Weight Estimation](https://top10k.com/tool/pediatric-weight-estimation): Estimates a child's weight by age using standard pediatric formulas (APLS Classic and Luscombe-Owens) for emergency dosing situations. - [Penicillin Allergy Risk Stratifier](https://top10k.com/tool/penicillin-allergy-helper) - [PERC Rule PE Calculator](https://top10k.com/tool/perc-detail): Applies the Pulmonary Embolism Rule-out Criteria (PERC) to determine if PE workup can be safely excluded in low-pretest-probability patients, with per-criterion clinical rationale. - [PERC Rule](https://top10k.com/tool/perc-rule): Applies the PERC (Pulmonary Embolism Rule-out Criteria) score to assess PE risk and determine if further testing is needed. - [PERC Rule for Pulmonary Embolism](https://top10k.com/tool/perc-rule-pe): Apply the PERC Rule (Pulmonary Embolism Rule-out Criteria) to determine whether PE can be excluded without further testing in low-risk patients. - [PERC Rule for PE (Simplified)](https://top10k.com/tool/perc-rule-simplified): Pulmonary Embolism Rule-out Criteria (PERC) checklist — 8 clinical criteria to rule out PE without D-dimer testing in low-risk ED patients. - [Perceived Stress Scale (PSS-10)](https://top10k.com/tool/perceived-stress-scale) - [Periodontal Risk Helper](https://top10k.com/tool/periodontal-risk-helper): Estimates a patient's periodontal disease risk level (low/moderate/high) based on clinical factors such as bleeding on probing, pocket depths, bone loss, smoking status, and systemic conditions lik… - [PHQ-2 Depression Screener](https://top10k.com/tool/phq-2-depression): Screens for depression using the validated 2-question Patient Health Questionnaire (PHQ-2); scores 0-6 with interpretation and recommended follow-up. - [PHQ-9 Depression Screening](https://top10k.com/tool/phq-9-depression): Scores the 9-item Patient Health Questionnaire to screen for depression severity and guide clinical decisions. - [PHQ-9 Depression Score Calculator](https://top10k.com/tool/phq-9-depression-score): Interactive PHQ-9 questionnaire that scores 9 depression-symptom questions and shows the severity category with a disclaimer to consult a professional. - [PI-RADS Helper](https://top10k.com/tool/pi-rads-helper) - [PIM2 Pediatric Mortality Index Calculator](https://top10k.com/tool/pim2-pediatric): Calculates PIM2 (Pediatric Index of Mortality 2) score to estimate probability of death in a pediatric ICU based on 10 clinical variables at admission. - [Platelet Dose & CCI Calculator](https://top10k.com/tool/platelet-dose-calc): Estimate an adult platelet product amount and calculate observed corrected count increment (CCI) after transfusion. - [Pooled Cohort ASCVD Risk Calculator](https://top10k.com/tool/pooled-cohort-ascvd): Estimates 10-year atherosclerotic cardiovascular disease (ASCVD) risk using the 2013 ACC/AHA Pooled Cohort Equations for men and women of White and African-American race/ethnicity. - [Population Attributable Risk Calculator](https://top10k.com/tool/population-attributable-risk): Calculates Population Attributable Risk (PAR) and Population Attributable Risk Percent (PAR%) — the proportion of disease in the total population attributable to the exposure — using prevalence of … - [Positive Predictive Value Epi](https://top10k.com/tool/positive-predictive-value-epi): Calculates PPV, NPV, sensitivity, specificity, and likelihood ratios from a 2x2 contingency table for epidemiological test evaluation. - [PRECISE-DAPT Score Calculator](https://top10k.com/tool/precise-dapt-score): Calculates the PRECISE-DAPT nomogram score for out-of-hospital bleeding risk after PCI; the result does not determine treatment duration by itself. - [Preeclampsia Risk Calculator](https://top10k.com/tool/preeclampsia-risk): Estimates first-trimester preeclampsia risk using NICE/ACOG clinical risk factors including prior preeclampsia, chronic hypertension, diabetes, kidney disease, autoimmune disease, multifetal pregna… - [Pregnancy Due Date Calculator](https://top10k.com/tool/pregnancy-due-date-calculator): Calculate your estimated due date from your last menstrual period (LMP) or conception date. See your current pregnancy week, trimester, days remaining, and a milestone timeline from first prenatal … - [Pregnancy Due Date (LMP) Calculator](https://top10k.com/tool/pregnancy-due-date-lmp): Calculates estimated due date and current gestational age from the last menstrual period (LMP) using Naegele's rule. - [Pregnancy Weight Gain Calculator](https://top10k.com/tool/pregnancy-weight-gain-calculator): Calculates recommended total and per-trimester weight gain during pregnancy based on pre-pregnancy BMI using IOM guidelines. - [Prevalence Calculator](https://top10k.com/tool/prevalence-calculator): Calculates point prevalence and period prevalence of a condition from case counts and population size, with confidence intervals. - [Prism Diopter Calculator](https://top10k.com/tool/prism-diopter-calc): Calculate prismatic effect at any point on a spectacle lens using Prentice's rule, and convert between prism diopters and other prism power units. - [Procalcitonin Helper](https://top10k.com/tool/procalcitonin-helper) - [Prostate Volume Calculator](https://top10k.com/tool/prostate-volume-calculator): Calculates prostate gland volume using the ellipsoid formula (length × width × height × 0.523) from transrectal ultrasound measurements, and derives PSA density when a PSA level is provided. - [Protein Intake Calculator](https://top10k.com/tool/protein-intake-calculator): Recommends daily protein intake in grams based on body weight, activity level, and fitness goal. - [Protein Per Kg Calculator](https://top10k.com/tool/protein-per-kg-calculator): Calculate daily protein intake in grams based on body weight (kg or lb) and activity or goal level — sedentary, active, muscle gain, or athlete. - [PSA Density Calculator](https://top10k.com/tool/psa-density-calculator): Calculates PSA density (PSA level divided by prostate volume) to help assess prostate cancer risk. Values ≥0.15 ng/mL² suggest higher risk. - [PSA Density Calculator (Urology)](https://top10k.com/tool/psa-density-uro): Calculates PSA density (PSAD) — serum PSA divided by prostate volume — with clinical interpretation used in urology to separate prostate cancer from benign prostatic hyperplasia. - [PSA Doubling Time Calculator](https://top10k.com/tool/psa-doubling-time): Calculate PSA doubling time (PSADT) from two PSA measurements over time. Used to monitor prostate cancer progression and guide treatment decisions. - [PSA Velocity Calculator](https://top10k.com/tool/psa-velocity-calculator) - [PSI / PORT Score Calculator (Pneumonia Severity)](https://top10k.com/tool/psi-port-score): Calculates the Pneumonia Severity Index (PSI/PORT) score to stratify community-acquired pneumonia patients into risk classes I–V with 30-day mortality estimates. - [PSQI Sleep Quality Calculator](https://top10k.com/tool/psqi-sleep-quality): Score the Pittsburgh Sleep Quality Index (PSQI) across 7 components to assess overall sleep quality. A global score above 5 indicates poor sleep quality. - [Q-Angle Calculator](https://top10k.com/tool/q-angle-calculator): Calculates the Q-angle (quadriceps angle) of the knee from anatomical landmarks; helps assess patellar tracking and knee alignment. - [QALY Calculator](https://top10k.com/tool/qaly-calculator): Calculate Quality-Adjusted Life Years (QALYs) by combining life years gained with a health utility score (0–1), used in health economics and cost-effectiveness analysis. - [qSOFA Score Calculator](https://top10k.com/tool/qsofa-score): Calculates the quick Sequential Organ Failure Assessment (qSOFA) score to screen for sepsis risk at the bedside. - [qSOFA Sepsis Score Calculator](https://top10k.com/tool/qsofa-sepsis): Calculates the quick SOFA (qSOFA) score for bedside sepsis screening using 3 binary criteria: altered mentation (GCS < 15), respiratory rate >= 22/min, and systolic BP <= 100 mmHg. - [QTc Calculator](https://top10k.com/tool/qtc-calculator): Calculates corrected QT interval (QTc) using Bazett, Fridericia, Framingham, and Hodges formulas from QT interval and heart rate. - [QTc Framingham Calculator](https://top10k.com/tool/qtc-framingham): Calculates the corrected QT interval using the Framingham formula (QTc = QT + 0.154 × (1 − RR)) to assess cardiac arrhythmia risk. - [QUICKI Index Calculator](https://top10k.com/tool/quicki-index): Calculates the Quantitative Insulin Sensitivity Check Index (QUICKI) from fasting glucose and insulin levels to assess insulin resistance. - [R0 Reproduction Number Calculator](https://top10k.com/tool/r0-reproduction-number): Calculates the basic reproduction number (R0) of an infectious disease from transmission rate, contact rate, and infectious duration, with epidemic threshold interpretation. - [Rankin Scale Reference](https://top10k.com/tool/rankin-scale-reference): Interactive reference for the modified Rankin Scale (mRS), showing all 6 disability levels (0–5) with clinical descriptions plus a score interpreter for stroke outcome assessment. - [Ranson Criteria Calculator](https://top10k.com/tool/ranson-criteria): Calculates the Ranson Criteria score for acute pancreatitis severity — 5 admission criteria + 6 criteria at 48 hours, with mortality risk interpretation. - [Ranson Criteria for Pancreatitis](https://top10k.com/tool/ranson-criteria-pancreatitis): Calculates Ranson Criteria score for acute pancreatitis severity: 5 criteria at admission + 6 criteria at 48 hours; score ≥3 predicts severe disease and higher mortality. - [Renal Stone Risk Calculator](https://top10k.com/tool/renal-stone-risk): Estimates kidney stone recurrence risk using clinical risk factors (stone type history, urine volume, dietary calcium, BMI, family history) and provides evidence-based prevention guidance. - [Rep Max Percentage Table](https://top10k.com/tool/rep-max-percentage-table): Given a 1-rep-max (1RM) weight, generates a full table of estimated weights and rep counts from 1RM (100%) down to 50%, using the Epley and Brzycki formulas, with kg/lb toggle. - [Dental Restoration Material Mix Ratio Calculator](https://top10k.com/tool/restoration-material-mix): Calculates representative weight-based component ratios for amalgam, glass ionomer cement, and dual-cure composite cement. - [Reticulocyte Production Index Calculator](https://top10k.com/tool/reticulocyte-index-lab): Calculates the Reticulocyte Production Index (RPI) from reticulocyte count, hematocrit, and maturation time to assess whether bone marrow is responding appropriately to anemia. - [Reticulocyte Production Index (RPI) Calculator](https://top10k.com/tool/reticulocyte-production-index): Calculates the Reticulocyte Production Index to assess bone marrow response to anemia using reticulocyte percentage, hematocrit, and maturation time. - [Reverse Diet Calculator](https://top10k.com/tool/reverse-diet-calculator): Plans a reverse dieting protocol — gradually increasing calorie intake after a cut to restore TDEE and minimize fat regain, with a weekly calorie increase schedule. - [Revised Cardiac Risk Index](https://top10k.com/tool/revised-cardiac-risk-index): Calculates the Revised Cardiac Risk Index (RCRI / Lee Index) score and canonical Lee Class (I–IV) for estimating perioperative cardiac risk in non-cardiac surgery. - [Reynolds Risk Score Calculator](https://top10k.com/tool/reynolds-risk-score): Estimates 10-year cardiovascular risk in women without diabetes using the Reynolds Risk Score algorithm. - [RhoGAM Dose Calculator](https://top10k.com/tool/rhogam-dose-calc): Calculates the appropriate RhoGAM (Rh immunoglobulin) dose for Rh-negative mothers based on gestational age and fetal blood exposure. Helps clinicians determine standard or large-volume doses. - [RIFLE AKI Criteria](https://top10k.com/tool/rifle-aki-criteria): Classifies acute kidney injury (AKI) severity using the RIFLE criteria (Risk, Injury, Failure, Loss, End-stage) based on changes in serum creatinine, GFR reduction, or urine output — outputs the hi… - [Rockall Score (Detailed)](https://top10k.com/tool/rockall-detailed): Calculates the full (pre- and post-endoscopy) Rockall score to predict rebleeding risk and mortality in upper gastrointestinal bleeding. - [Rockall GI Bleed Score](https://top10k.com/tool/rockall-gi-bleed): Calculate the Rockall Score for upper GI bleeding to predict risk of rebleeding and mortality. Supports pre-endoscopy and post-endoscopy scoring with risk category interpretation. - [RSI Drug Dose Calculator](https://top10k.com/tool/rsi-drug-dose): Calculate weight-based doses for common Rapid Sequence Intubation (RSI) induction and paralytic agents — etomidate, ketamine, succinylcholine, and rocuronium. - [Rule of 3 Hemoglobin](https://top10k.com/tool/rule-of-3-hemoglobin): Calculates expected hemoglobin and hematocrit using the hematology Rule of 3 (Hct = 3 x Hgb) and predicts post-transfusion pRBC response by patient weight. - [Running VDOT Calculator](https://top10k.com/tool/running-vdot-calculator): Calculates Jack Daniels VDOT running fitness score from a race time and predicts equivalent race times and training paces. - [San Francisco Syncope Rule](https://top10k.com/tool/san-francisco-syncope): San Francisco Syncope Rule (SFSR) — 5 clinical criteria to identify ED syncope patients at high risk for serious outcomes within 7 days. - [San Francisco Syncope Rule](https://top10k.com/tool/san-francisco-syncope-detail): Calculates the San Francisco Syncope Rule score to identify ED syncope patients at high risk for serious short-term outcomes. - [SAPS II Score Calculator](https://top10k.com/tool/saps-ii): Calculates the Simplified Acute Physiology Score II (SAPS II) for ICU patients to predict in-hospital mortality based on 17 physiological variables. - [Schwartz Pediatric GFR Calculator](https://top10k.com/tool/schwartz-pediatric-gfr): Estimates glomerular filtration rate (eGFR) in children using the Schwartz formula (eGFR = k × height / serum creatinine), with age-based k values. - [SCORAD Eczema Score](https://top10k.com/tool/scorad-eczema): Calculates the SCORAD (SCORing Atopic Dermatitis) index to assess eczema severity using affected body surface area, intensity signs, and subjective symptoms. - [Screening Yield Calculator](https://top10k.com/tool/screening-yield-calculator): Calculate cases detected, number needed to screen (NNS), positive predictive value (PPV), negative predictive value (NPV), and false positive rate for a disease screening program given population s… - [Serum Osmolal Gap Calculator](https://top10k.com/tool/serum-osmolal-gap): Calculates the osmolal gap (measured minus calculated osmolality) to screen for unmeasured osmoles such as toxic alcohols; inputs Na, glucose, BUN, and measured osmolality. - [Serum Osmolality Calculator](https://top10k.com/tool/serum-osmolality-calculator): Calculates serum osmolality using the formula 2×Na + BUN/2.8 + glucose/18 to help detect hyperosmolar states. - [Sgarbossa Criteria Calculator](https://top10k.com/tool/sgarbossa-criteria): Scores ECG findings using Sgarbossa criteria to identify acute MI in the presence of LBBB or paced rhythm. Supports both original and modified (Smith) Sgarbossa scoring. - [Modified Sgarbossa Criteria](https://top10k.com/tool/sgarbossa-modified) - [Shock Index Calculator](https://top10k.com/tool/shock-index-calculator): Calculates the shock index (heart rate divided by systolic blood pressure) to assess hemodynamic instability and shock severity in clinical settings. - [SIRS Criteria Calculator](https://top10k.com/tool/sirs-criteria): Evaluates Systemic Inflammatory Response Syndrome criteria — checks 4 clinical parameters and indicates SIRS status when 2 or more are met. - [SIRS Criteria for Sepsis Calculator](https://top10k.com/tool/sirs-criteria-sepsis): Calculates SIRS (Systemic Inflammatory Response Syndrome) score using 4 binary criteria: temperature, heart rate, respiratory rate/PaCO2, and WBC count. Two or more criteria met indicates SIRS; SIR… - [SLEDAI Lupus Score Calculator](https://top10k.com/tool/sledai-lupus-score): Calculate the SLE Disease Activity Index (SLEDAI-2K) score to assess disease activity in systemic lupus erythematosus; 24 weighted clinical and lab descriptors summed to give a total score with int… - [Sleep Cycle Calculator](https://top10k.com/tool/sleep-calculator): Calculate the ideal bedtime or wake-up time based on 90-minute sleep cycles and a 14-minute fall-asleep buffer, so you always wake at the end of a cycle feeling refreshed. - [SMART-COP Score Calculator](https://top10k.com/tool/smart-cop-score): Calculates the SMART-COP score to predict the need for intensive respiratory or vasopressor support (IRVS) in adults hospitalized with community-acquired pneumonia. - [Smoking Pack Years Calculator](https://top10k.com/tool/smoking-pack-years): Calculates pack-years of smoking history (packs per day x years smoked) used in clinical risk assessment for lung cancer screening and COPD staging. - [Snellen Acuity Converter](https://top10k.com/tool/snellen-acuity-converter): Converts between Snellen fractions (20/20, 6/6), decimal, LogMAR, and percentage visual acuity scales used in ophthalmology. - [Sodium Correction for Glucose Calculator](https://top10k.com/tool/sodium-correction-glucose): Corrects measured serum sodium for hyperglycemia using the Katz formula (1.6 mEq/L per 100 mg/dL glucose above 100) or the Hillier formula (2.4 factor). Supports mg/dL and mmol/L input. - [Sodium Correction Rate Calculator](https://top10k.com/tool/sodium-correction-rate-calculator): Estimates the safe IV fluid rate to correct hyponatremia, based on current and target sodium levels and patient weight, with a warning not to exceed 10-12 mEq/L per 24 hours. - [Sodium Deficit Calculator](https://top10k.com/tool/sodium-deficit-calculator): Calculates total body sodium deficit in hyponatremia. Formula: Na deficit (mEq) = TBW × (target Na − current Na), where TBW = weight × sex factor (0.6 male, 0.5 female, 0.45 elderly). Shows safe co… - [Sodium Intake Checker](https://top10k.com/tool/sodium-intake-checker): Log your daily sodium intake from multiple food items and see whether you are within recommended limits. Includes a list of common high-sodium foods with typical sodium content in mg. - [Sodium Potassium Ratio](https://top10k.com/tool/sodium-potassium-ratio): Calculates the sodium-to-potassium ratio from serum lab values and interprets the result against clinical reference ranges. - [SOFA Organ Failure Assessment](https://top10k.com/tool/sofa-organ-failure): Calculates the Sequential Organ Failure Assessment (SOFA) score and compares baseline vs current values to detect delta-SOFA, identify which organ systems are failing, and estimate ICU mortality risk. - [SOFA Score Calculator](https://top10k.com/tool/sofa-score): Calculates the Sequential Organ Failure Assessment (SOFA) score to assess ICU patient organ dysfunction across 6 systems. - [Sokal CML Prognostic Score](https://top10k.com/tool/sokal-cml-score): Calculates the Sokal prognostic score for chronic myelogenous leukemia (CML) from age, spleen size, platelet count, and blast percentage to stratify low, intermediate, or high risk. - [Specific Gravity (Pharmacy) Calculator](https://top10k.com/tool/specific-gravity-pharmacy): Converts between mass, volume, and concentration using specific gravity for pharmaceutical liquids. Calculates density, weight per mL, and adjusts formulation volumes for compounding and dispensing. - [Spectrophotometric Cell Count Calculator](https://top10k.com/tool/spectrophotometric-cell-count): Estimates bacterial cell count from absorbance (OD600) readings using the Beer-Lambert law and user-supplied extinction coefficient or standard curves. - [Spetzler-Martin AVM Grade](https://top10k.com/tool/spetzler-martin-grade): Calculates the Spetzler-Martin grading scale for arteriovenous malformations (AVMs) to guide surgical risk assessment. - [Spherical Equivalent Calculator](https://top10k.com/tool/spherical-equivalent-calc): Calculates the spherical equivalent (SE) of an eyeglass prescription from sphere, cylinder, and axis values — used in ophthalmology to summarize refractive error. - [Spinal Cord ASIA Impairment Scale](https://top10k.com/tool/spinal-cord-asia): Classify spinal cord injury severity using the ASIA Impairment Scale (AIS grades A–E) from motor and sensory exam findings. - [SpO2/FiO2 Ratio Calculator](https://top10k.com/tool/spo2-fio2-ratio): Calculates the SpO2/FiO2 (S/F) ratio used as a non-invasive surrogate for the PaO2/FiO2 ratio in pulmonology and ARDS assessment. - [SpO2/FiO2 Ratio Calculator](https://top10k.com/tool/spo2-fio2-ratio-calculator): Calculates the SpO2/FiO2 (SF) ratio used to estimate respiratory function and classify ARDS severity in clinical settings. - [Standardized Mortality Ratio Calculator](https://top10k.com/tool/standardized-mortality-ratio): Calculates the Standardized Mortality Ratio (SMR) by dividing observed deaths by expected deaths, with 95% confidence intervals, used in epidemiology and occupational health studies. - [Step To Calorie Calculator](https://top10k.com/tool/step-to-calorie-calculator): Converts daily step count to calories burned based on body weight, height, and walking pace. Uses MET-based formula accounting for stride length. - [Steroid Equivalence Calculator](https://top10k.com/tool/steroid-equivalence): Convert between equivalent anti-inflammatory doses of corticosteroids — prednisone, methylprednisolone, dexamethasone, hydrocortisone, betamethasone, and triamcinolone — using standard potency ratios. - [Stool Osmotic Gap Calculator](https://top10k.com/tool/stool-osmotic-gap): Calculates the stool osmotic gap to differentiate osmotic from secretory diarrhea using stool sodium and potassium values. - [Sugar Intake Checker](https://top10k.com/tool/sugar-intake-checker) - [Target Heart Rate Calculator](https://top10k.com/tool/target-heart-rate-calculator): Calculates target heart rate zones for exercise using age, resting heart rate, and the Karvonen formula. Displays five training intensity zones with bpm ranges. - [TDEE Calculator](https://top10k.com/tool/tdee-calculator): Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) using the Mifflin-St Jeor and Harris-Benedict formulas. - [Tegner Activity Scale](https://top10k.com/tool/tegner-activity-scale): Standardized 11-level (0–10) activity scoring tool for knee injuries. Select current and pre-injury activity levels from occupational and sports descriptors to document functional outcome in orthop… - [Pre-test to Post-test Probability Calculator](https://top10k.com/tool/test-pretest-probability): Applies Bayes' theorem via likelihood ratios to convert pre-test probability, test sensitivity, and specificity into post-test probability of disease. - [Free Testosterone Calculator](https://top10k.com/tool/testosterone-free-calc): Calculate free testosterone concentration from total testosterone, SHBG, and albumin using the Vermeulen equation. Results in pmol/L and ng/dL with clinical reference ranges. - [TIBC Calculator (Total Iron-Binding Capacity)](https://top10k.com/tool/tibc-calculator): Calculate Total Iron-Binding Capacity (TIBC = UIBC + Serum Iron) and Transferrin Saturation to evaluate iron deficiency and iron overload. - [Tidal Volume Calculator](https://top10k.com/tool/tidal-volume-calculator): Calculates ideal body weight-based tidal volume for mechanical ventilation using the ARDSNet lung-protective protocol (6 mL/kg IBW) from patient height and sex. - [Timed Up And Go](https://top10k.com/tool/timed-up-and-go): Interprets the Timed Up and Go (TUG) test result in seconds to assess fall risk and mobility in older adults. - [TIMI Flow Grade](https://top10k.com/tool/timi-flow-grade): Classifies coronary artery blood flow (TIMI 0–3) from angiographic findings — reference guide for interventional cardiology with grade descriptions, clinical significance, and outcomes context. - [TIMI Risk Score Calculator](https://top10k.com/tool/timi-risk-score): Calculates the TIMI (Thrombolysis in Myocardial Infarction) risk score for unstable angina and NSTEMI. Seven yes/no criteria produce a score of 0-7 with a corresponding risk category and 14-day eve… - [TIMI Score for NSTEMI/UA](https://top10k.com/tool/timi-score-nstemi): Calculates the TIMI risk score for non-ST-elevation MI and unstable angina to stratify 14-day cardiac event risk. - [TIMI Score for STEMI](https://top10k.com/tool/timi-score-stemi): Calculates the TIMI (Thrombolysis in Myocardial Infarction) risk score for ST-elevation myocardial infarction patients to predict 30-day mortality. - [TNM Staging Breast Cancer](https://top10k.com/tool/tnm-staging-breast) - [TNM Staging Colon Cancer](https://top10k.com/tool/tnm-staging-colon) - [TNM Staging for Lung Cancer](https://top10k.com/tool/tnm-staging-lung) - [Prostate Cancer TNM Staging](https://top10k.com/tool/tnm-staging-prostate): Interactive TNM staging reference for prostate cancer (AJCC 8th edition). Select T, N, M values plus PSA level and Gleason grade group to get the overall AJCC stage group and NCCN risk group. - [Tooth Numbering Converter](https://top10k.com/tool/tooth-numbering-converter): Convert permanent and primary tooth identifiers between Universal (US), ISO/FDI, and text-safe Palmer notation. - [Total Daily Insulin Calculator](https://top10k.com/tool/total-daily-insulin): Estimate total daily insulin dose (TDD) for type 1 or type 2 diabetes management, then split it into basal and bolus components using standard clinical rules of thumb. - [Transferrin Saturation Calculator](https://top10k.com/tool/transferrin-saturation): Calculates transferrin saturation percentage from serum iron and TIBC values to help assess iron status and screen for iron deficiency or iron overload. - [Transferrin Saturation Calculator](https://top10k.com/tool/transferrin-saturation-calculator): Calculates transferrin saturation percentage from serum iron and total iron-binding capacity (TIBC) to help assess iron status. - [Transfusion Volume Calculator](https://top10k.com/tool/transfusion-volume-calc): Calculate the required packed red blood cell (pRBC) transfusion volume based on patient weight, current hemoglobin, and target hemoglobin using the standard formula: Volume = weight × (target Hgb −… - [Transtubular Potassium Gradient (TTKG) Calculator](https://top10k.com/tool/transtubular-potassium-gradient): Calculate the Transtubular Potassium Gradient (TTKG) to assess renal potassium handling. Helps distinguish renal from extrarenal causes of hyperkalemia or hypokalemia. - [Triglyceride Converter](https://top10k.com/tool/triglyceride-converter): Convert triglyceride (blood lipid) levels between mg/dL and mmol/L. Enter a value in either unit and get the instant equivalent with clinical range interpretation. - [Truelove-Witts Severity Index](https://top10k.com/tool/truelove-witts-severity): Classifies ulcerative colitis severity (mild/moderate/severe) using the Truelove and Witts criteria. - [Tumor Doubling Time Calculator](https://top10k.com/tool/tumor-doubling-time): Calculates tumor doubling time (days) and growth rate constant from two serial size measurements (diameter or volume) taken at known time intervals — used in oncology imaging follow-up. - [IV Units Per Hour Calculator](https://top10k.com/tool/units-per-hour-calculator): Calculates intravenous infusion rate in units per hour from ordered dose and concentration; used for heparin, insulin, and other unit-dosed IV drips - [UPDRS Helper](https://top10k.com/tool/updrs-helper): Calculates the Unified Parkinson's Disease Rating Scale (UPDRS) total and subscale scores to assess motor and non-motor symptom severity in Parkinson's disease patients. - [Urea Reduction Ratio Calculator](https://top10k.com/tool/urea-reduction-ratio): Calculates the Urea Reduction Ratio (URR) for intermittent hemodialysis from paired pre- and post-dialysis BUN measurements, comparing the result against the standard 65% reference threshold. - [Urine Anion Gap Calculator](https://top10k.com/tool/urine-anion-gap): Calculate the urine anion gap (UAG = urine Na + urine K − urine Cl) to differentiate renal tubular acidosis from GI causes of non-anion-gap metabolic acidosis. - [Urine Output Rate Calculator](https://top10k.com/tool/urine-output-rate) - [Vaccine Efficacy Calculator](https://top10k.com/tool/vaccine-efficacy-calculator): Calculates vaccine efficacy (VE) from clinical trial data using attack rates in vaccinated vs. unvaccinated groups (VE = 1 - RR). - [Vancomycin AUC Dosing Calculator](https://top10k.com/tool/vancomycin-auc-dosing): Calculates vancomycin AUC/MIC ratio and recommended dose using Bayesian-informed pharmacokinetic parameters (weight, renal function, two-level serum concentrations) per ASHP/IDSA 2020 consensus gui… - [Vancomycin Dosing Calculator](https://top10k.com/tool/vancomycin-dosing): Estimates initial vancomycin IV doses and dosing interval from patient weight, renal function (CrCl), and indication; for educational reference only, always verify with clinical pharmacist. - [VBAC Success Score](https://top10k.com/tool/vbac-success-score): Predicts the probability of a successful vaginal birth after cesarean (VBAC) using the Grobman model — factors in maternal age, BMI, ethnicity, prior vaginal delivery, prior VBAC, and indication fo… - [Vertex Distance Calculator](https://top10k.com/tool/vertex-distance-calc): Converts eyeglass lens prescriptions between different vertex distances — the gap from the back of the lens to the cornea. Commonly used when switching between glasses and contact lenses. - [Visual Field Defect Interpreter](https://top10k.com/tool/visual-field-helper): Map visual field loss patterns to probable anatomical lesion sites along the visual pathway — from retina through optic nerve, chiasm, optic tract, LGN, optic radiations, to visual cortex. For opht… - [Vitamin D Dose Calculator](https://top10k.com/tool/vitamin-d-dose-calculator): Estimates the daily vitamin D3 supplementation dose needed to reach a target serum 25(OH)D level based on current level and body weight. - [VO2 Max Calculator](https://top10k.com/tool/vo2-max-calculator): Estimates VO2 max (maximal oxygen uptake) from exercise test inputs using standard formulas. - [Volume of Distribution Calculator](https://top10k.com/tool/volume-of-distribution): Calculates apparent volume of distribution (Vd), weight-normalized Vd, route-adjusted loading dose, and first-order clearance. - [Waist to Height Ratio Calculator](https://top10k.com/tool/waist-to-height-ratio-calculator): Calculates waist-to-height ratio (WHtR) to assess cardiovascular and metabolic health risk based on waist circumference and height measurements. - [Waist To Hip Ratio Calculator](https://top10k.com/tool/waist-to-hip-ratio-calculator): Calculates waist-to-hip ratio and interprets cardiovascular risk level based on WHO guidelines for men and women. - [Warfarin Dosing Calculator](https://top10k.com/tool/warfarin-dosing-calculator) - [Water Intake by Weight Calculator](https://top10k.com/tool/water-by-weight-calculator): Calculates daily water intake recommendation based on body weight using the 35 mL/kg/day clinical default and the half-ounce-per-pound rule, with adjustments for activity level and climate. - [Water Coliform MPN Calculator](https://top10k.com/tool/water-coliform-mpn): Calculates the Most Probable Number (MPN) of coliform bacteria per 100 mL of water from a 3-tube or 5-tube dilution series, using the standard MPN table lookup method per EPA/WHO guidelines. - [Water Deficit in Hypernatremia](https://top10k.com/tool/water-deficit-hypernatremia): Estimates total body water deficit in hypernatremia using the Adrogue-Madias formula. Inputs: weight, sex, current serum sodium, and target sodium (140 mEq/L). Outputs volume of water to infuse and… - [Daily Water Intake Calculator](https://top10k.com/tool/water-intake-calculator): Calculate your recommended daily water intake based on weight, activity level, and climate. Get results in mL and fl oz, plus glass and bottle equivalents and an hourly hydration schedule. - [Weight Loss Timeline](https://top10k.com/tool/weight-loss-timeline): Estimates how long it will take to reach a goal weight based on current weight, target weight, and weekly calorie deficit. - [Wells Score for DVT Calculator](https://top10k.com/tool/well-leg-dvt): Calculates the Wells clinical prediction score for deep vein thrombosis (DVT) probability based on 10 clinical criteria. Includes both the original 3-tier and revised 2-tier score interpretations. - [Wells Criteria for PE (Simplified) Calculator](https://top10k.com/tool/well-pe-simplified): Calculates the simplified Wells score to estimate probability of pulmonary embolism (PE) using 7 clinical criteria. - [PRAM Asthma Severity Score Calculator](https://top10k.com/tool/wells-asthma-score): Calculates the Pediatric Respiratory Assessment Measure (PRAM) for acute asthma severity in children aged 2–17 years. - [ALT-70 Cellulitis Score Calculator](https://top10k.com/tool/wells-cellulitis): Calculates the ALT-70 score to help differentiate lower-extremity cellulitis from pseudocellulitis in adults. - [Wells Criteria for DVT](https://top10k.com/tool/wells-criteria-dvt): Calculate the Wells Criteria pre-test probability score for deep vein thrombosis (DVT) risk stratification. - [Wells Criteria for PE](https://top10k.com/tool/wells-criteria-pe): Clinical decision tool that scores risk factors for pulmonary embolism (PE) using the Wells criteria scoring system to stratify low, moderate, or high pre-test probability. - [Wells Criteria for Recurrent DVT](https://top10k.com/tool/wells-criteria-recurrence): Scores the probability of recurrent deep vein thrombosis (DVT) using the modified Wells criteria for recurrence, helping clinicians decide on further diagnostic workup. - [Wells DVT Score Calculator](https://top10k.com/tool/wells-dvt-score): Calculate the Wells DVT (Deep Vein Thrombosis) score to estimate pre-test probability of DVT using 10 clinical criteria. - [Wells PE Score (Pulmonary Embolism)](https://top10k.com/tool/wells-pe-detail): Computes the Wells criteria score for pulmonary embolism pre-test probability, classifying risk as low, moderate, or high with recommended next steps. - [Wilks Coefficient Calculator](https://top10k.com/tool/wilks-coefficient): Calculates the Wilks score for powerlifting — bodyweight-adjusted total used to compare strength across weight classes (uses Wilks2 2020 formula). - [Winters Formula Calculator](https://top10k.com/tool/winters-formula-calculator): Calculates the expected pCO2 compensation for metabolic acidosis using Winters formula (pCO2 = 1.5 x HCO3 + 8 +/- 2). Determines if respiratory compensation is adequate, inadequate (concurrent resp… - [Winter's Formula Compensation Calculator](https://top10k.com/tool/winters-formula-compensation): Calculates the expected respiratory compensation (pCO2) for metabolic acidosis using Winter's formula: expected pCO2 = 1.5 × HCO3 + 8 ± 2. Compares measured pCO2 to the expected range to detect con… - [WOMAC Score Calculator](https://top10k.com/tool/womac-score): Calculate WOMAC Likert raw and normalized scores from licensed pain, stiffness, and physical-function subscale totals. - [WPSS MDS Score](https://top10k.com/tool/wpss-mds): Calculates the WHO Prognostic Scoring System (WPSS) score for myelodysplastic syndromes (MDS) based on WHO category, karyotype risk group, and transfusion dependence — outputs total score and risk … - [WPSS MDS Score Calculator](https://top10k.com/tool/wpss-mds-score): Calculate the WHO Prognostic Scoring System (WPSS) score for Myelodysplastic Syndromes (MDS) to estimate prognosis and risk category. - [Y-BOCS Helper](https://top10k.com/tool/y-bocs-helper): Yale-Brown Obsessive Compulsive Scale (Y-BOCS) scoring tool that calculates total OCD severity score from 10 subscale items with clinical interpretation. - [YEARS Algorithm for PE Calculator](https://top10k.com/tool/years-algorithm-pe): Calculates the YEARS algorithm score for pulmonary embolism (PE) risk stratification to guide D-dimer threshold selection. - [Years of Life Lost Calculator](https://top10k.com/tool/years-of-life-lost): Calculates Years of Life Lost (YLL) — an epidemiology metric measuring premature mortality burden by comparing age at death to standard life expectancy. ## Marketing Tools (25) - [A/B Test Sample Size Calculator](https://top10k.com/tool/ab-test-sample-size) - [A/B Test Statistical Significance Calculator](https://top10k.com/tool/ab-test-significance) - [Marketing Attribution Helper](https://top10k.com/tool/attribution-helper): Compares first-touch, last-touch, and linear multi-touch attribution models to show how revenue credit is distributed across marketing channels for a given conversion path. - [Bounce Rate Impact Calculator](https://top10k.com/tool/bounce-rate-impact): Shows how reducing bounce rate affects total conversions. Enter monthly visitors, current bounce rate, conversion rate of engaged visitors, and a target bounce rate to see current vs. projected con… - [Churn Rate Calculator](https://top10k.com/tool/churn-rate-calculator): Calculate monthly and annual customer churn rate, retention rate, and average customer lifetime for SaaS businesses. - [Marketing Conversion Rate Calculator](https://top10k.com/tool/conversion-rate-marketing): Calculates marketing conversion rate from visitors and conversions, plus revenue impact, cost per conversion, and funnel drop-off analysis. - [CPA Calculator](https://top10k.com/tool/cpa-calculator): Calculate Cost Per Acquisition (CPA) for ad campaigns — total spend divided by conversions, with ROAS and break-even analysis. - [CPM Calculator](https://top10k.com/tool/cpm-calculator): Calculate Cost Per Mille (CPM), total ad spend, or total impressions for digital advertising campaigns. Solve for any one of the three variables given the other two. - [CTR Calculator (Marketing)](https://top10k.com/tool/ctr-calculator-marketing): Calculates click-through rate from impressions and clicks, benchmarks against industry averages, and projects clicks for a given CTR target. - [DAU/MAU Ratio Calculator](https://top10k.com/tool/dau-mau-ratio): Calculate DAU/MAU (stickiness) and WAU/MAU ratios for your app, then benchmark against consumer and B2B SaaS norms to understand user engagement health. - [Email CTR Calculator](https://top10k.com/tool/email-ctr-calc): Calculate email click-through rate (CTR) and click-to-open rate (CTOR) from sends, opens, and clicks, with industry benchmark comparisons. - [Email List Growth Rate Calculator](https://top10k.com/tool/email-list-growth): Calculates email list growth rate, net new subscribers, and projects future list size given current subscriber count, new subscribers, and unsubscribes per period. - [Email Open Rate Calculator](https://top10k.com/tool/email-open-rate): Calculates email open rate, click-through rate (CTR), click-to-open rate (CTOR), and unsubscribe rate from campaign raw numbers, with industry benchmark comparisons. - [Engagement Rate Calculator](https://top10k.com/tool/engagement-rate-marketing): Calculate social media engagement rate from likes, comments, shares, saves, and follower count. Supports By Reach, By Followers, and By Impressions formulas with platform benchmarks. - [Ad Frequency Cap Calculator](https://top10k.com/tool/frequency-cap-calc): Calculates the optimal ad frequency cap given a campaign flight duration, target reach, and total impressions budget; helps prevent ad fatigue by limiting how many times each unique user sees your ad. - [Funnel Drop-Off Rate Calculator](https://top10k.com/tool/funnel-drop-off): Calculates the drop-off rate and conversion rate at each stage of a marketing or sales funnel given visitor counts per stage. - [Impressions to Reach Converter](https://top10k.com/tool/impressions-to-reach): Convert total impressions to estimated unique reach using average frequency, or reverse-calculate impressions from reach and frequency. Useful for campaign planning and media buying. - [Lead Score Calculator](https://top10k.com/tool/lead-score-calculator): Calculate a composite lead score from weighted criteria across demographics, behavior, and engagement to prioritize outreach and forecast conversion likelihood. - [Magic Number SaaS](https://top10k.com/tool/magic-number-saas): Calculates the SaaS Magic Number — a sales efficiency metric that measures how much ARR growth is generated per dollar of sales and marketing spend. - [ROAS Marketing Calculator](https://top10k.com/tool/roas-marketing): Calculate Return on Ad Spend (ROAS) and related metrics for digital marketing campaigns. Analyze profitability, break-even ROAS, target spend, and revenue goals. - [SaaS Margin Calculator](https://top10k.com/tool/saas-margin-calculator): Calculate gross margin, operating margin, and net margin for SaaS businesses — the core profitability metrics investors and operators use to evaluate subscription software companies. - [Sales Cycle Length Calculator](https://top10k.com/tool/sales-cycle-length): Calculate average sales cycle length from deal start and close dates, compare against industry benchmarks, and estimate time-to-revenue for pipeline forecasting. - [Share of Voice Calculator](https://top10k.com/tool/share-of-voice): Calculate your brand's share of voice versus competitors from impression or mention counts, with a breakdown bar chart showing each competitor's slice. - [UTM Builder](https://top10k.com/tool/utm-builder): Build properly URL-encoded UTM tracking links for Google Analytics and any analytics platform. Add source, medium, campaign, term, content, and campaign ID — then copy, save presets, or display a c… - [Viral Coefficient Calculator](https://top10k.com/tool/viral-coefficient-calc): Compute K-factor (viral coefficient) from invites sent per user and conversion rate, with growth cycle projections to see when a product goes viral. ## Education (56) - [Attendance Grade Impact](https://top10k.com/tool/attendance-grade-impact): Calculates how class absences affect a student's final grade percentage based on attendance policy weight. - [Attendance Percentage Calculator](https://top10k.com/tool/attendance-percentage-calculator): Calculate your attendance percentage from classes attended vs. total classes held, and find out how many more classes you need to attend to reach a target percentage. - [Bibliography Formatter](https://top10k.com/tool/bibliography-formatter): Formats book, journal, and website citations in APA, MLA, Chicago, and Harvard styles from structured input fields. - [Citation Generator APA](https://top10k.com/tool/citation-generator-apa): Generates APA 7th edition citations for books, journal articles, websites, and videos from user-entered metadata fields. - [Citation Generator Chicago](https://top10k.com/tool/citation-generator-chicago): Generates properly formatted Chicago style citations (author-date and notes-bibliography) for books, journal articles, and websites. - [Citation Generator MLA](https://top10k.com/tool/citation-generator-mla): Generates properly formatted MLA 9th edition citations for books, websites, journal articles, and videos from user-entered source details. - [Class Rank Percentile Calculator](https://top10k.com/tool/class-rank-percentile): Converts a student's class rank and class size into a percentile ranking. - [College GPA Converter](https://top10k.com/tool/college-gpa-converter): Convert letter grades (A+, A, A-, B+, B, B-, C+, C, C-, D+, D, F) to GPA points on a standard 4.0 scale. Add multiple courses with credit hours to calculate a weighted cumulative GPA instantly. - [College Credit Hour Calculator](https://top10k.com/tool/credit-hour-calculator): Calculate total credit hours, GPA impact, and estimated tuition cost from a list of college courses and grades. Supports custom cost-per-credit-hour and multiple grading scales. - [Cumulative GPA Calculator](https://top10k.com/tool/cumulative-gpa-calculator): Combines your previous cumulative GPA (with total credits earned) and your current semester grades to calculate your new overall cumulative GPA. - [Curve Grade Calculator](https://top10k.com/tool/curve-grade-calculator): Adjusts raw exam scores using common curving methods (add points, square root curve, scale to highest score) and shows letter grades before and after curving. - [Essay Word Counter](https://top10k.com/tool/essay-word-counter): Counts words, characters, sentences, and paragraphs in an essay and tracks progress toward a word-count target. - [Exam Average Calculator](https://top10k.com/tool/exam-average-calculator): Calculates your exam average from multiple test scores, with optional custom weights per exam and letter grade output based on standard grading scales. - [Exam Pass Mark Calculator](https://top10k.com/tool/exam-pass-mark-calculator): Calculates the exact and whole-mark target needed to pass an exam, allowable marks lost, or evaluates an achieved score with margin or deficit. - [Final Exam Grade Calculator](https://top10k.com/tool/final-grade-calculator): Find out the minimum score you need on your final exam to reach your target grade. Enter your current grade, goal grade, and the exam weight to get an instant answer. - [Flashcard Generator](https://top10k.com/tool/flashcard-generator-edu): Paste a list of term/definition pairs to instantly generate printable flashcards. Supports keyboard navigation for self-quiz mode and a print-ready layout for paper flash cards. - [Flashcard Maker & Study Tool](https://top10k.com/tool/flashcard-maker): Create digital flashcards with spaced repetition. Add cards, study sessions, track progress. All saved to your browser locally, no signup required. - [GPA Calculator](https://top10k.com/tool/gpa-calculator): Calculate your unweighted or weighted GPA on a 4.0 scale. Add courses with name, letter grade, and credit hours. Supports A+/A/A-/B+/.../F with standard 4.0 mapping, plus optional Honors (+0.5) and… - [Grade Average By Category](https://top10k.com/tool/grade-average-by-category): Calculate a weighted grade average by grouping assignments into categories such as homework, quizzes, and exams, each with its own weight percentage. - [Grade Calculator](https://top10k.com/tool/grade-calculator): Add assignments with name, score earned, and total possible points. Supports equal-weighted and custom-weighted modes. Computes your overall percentage and letter grade instantly in your browser. - [Grade Needed on Final Exam Calculator](https://top10k.com/tool/grade-needed-on-final): Calculates the minimum grade needed on a final exam to achieve a desired course grade, given current grade and final exam weight. - [Grade Percentage Calculator](https://top10k.com/tool/grade-percentage-calculator): Converts raw score and total points into a percentage grade and letter grade using standard grading scales. - [Grade Weight Calculator](https://top10k.com/tool/grade-weight-calculator): Calculate your weighted final grade from multiple assignments or categories, each with its own score and percentage weight. - [High School GPA Calculator](https://top10k.com/tool/high-school-gpa): Calculates weighted and unweighted high school GPA from letter grades and credit hours, supporting standard and honors/AP course weighting. - [Letter Grade Converter](https://top10k.com/tool/letter-grade-converter): Converts between letter grades, percentage scores, and GPA points using common US grading scales. - [Lexile Converter](https://top10k.com/tool/lexile-converter): Converts Lexile reading measures to grade-level equivalents and reading difficulty descriptions to help teachers and parents match books to readers. - [Math Worksheet Generator](https://top10k.com/tool/math-worksheet-generator): Generate printable math practice worksheets with randomized arithmetic problems for configurable grade levels and problem counts. - [Multiplication Table Generator](https://top10k.com/tool/multiplication-table-generator): Generate a printable multiplication table for any number or range, from 1×1 up to 20×20. - [Number Line Generator](https://top10k.com/tool/number-line-generator): Generate a printable SVG number line with configurable start, end, and interval values. Add labeled points for classroom use, homework, and math lessons. - [Order of Operations Helper](https://top10k.com/tool/order-of-operations-helper): Steps through PEMDAS/BODMAS order of operations for a math expression, showing each reduction step until a final answer is reached. - [Percentile Rank Calculator](https://top10k.com/tool/percentile-rank-calculator): Calculates the percentile rank of a score within a dataset. Enter scores and a target value to see PR using both the strict formula and the inclusive midpoint formula, plus a sorted table highlight… - [Percentile To Z Score](https://top10k.com/tool/percentile-to-z-score): Converts between percentile rank and z-score (standard score) using the standard normal distribution, useful for test scores and academic assessments. - [Periodic Table Reference](https://top10k.com/tool/periodic-table-reference): Searchable periodic table reference showing atomic number, symbol, name, atomic mass, electron configuration, and group/period for all 118 elements. - [Place Value Tool](https://top10k.com/tool/place-value-tool): Visualizes and explains place values in whole numbers and decimals, helping students understand number structure. - [Text Similarity Checker](https://top10k.com/tool/plagiarism-similarity-checker): Compares two text passages client-side and reports a similarity percentage using word overlap and Jaccard similarity, with matched phrases highlighted. - [Points to Letter Grade](https://top10k.com/tool/points-to-letter-grade): Converts a raw point score to a letter grade (A, B, C, D, F) based on total points possible and configurable grade thresholds. - [Reading Level Grade](https://top10k.com/tool/reading-level-grade): Analyzes pasted text and computes multiple readability scores (Flesch-Kincaid, Gunning Fog, Coleman-Liau) to estimate the US school grade level required to read it. - [Rounding Rules Helper](https://top10k.com/tool/rounding-rules-helper): Enter a number and choose decimal places to see the rounded result with a step-by-step explanation of which rounding rule applied — round half up, round half down, round half to even (banker's roun… - [Rubric Score Calculator](https://top10k.com/tool/rubric-score-calculator): Calculate weighted rubric scores for assignments. Define up to 8 criteria with custom weights and scores on a 0–4 scale. Instantly see the total weighted score, percentage, and letter grade. - [School Countdown Timer](https://top10k.com/tool/school-countdown-timer) - [Scientific Calculator](https://top10k.com/tool/scientific-calculator) - [Semester Credit GPA Calculator](https://top10k.com/tool/semester-credit-gpa): Calculate your semester GPA by entering the letter grade and credit hours for each course. Uses the standard 4.0 scale with support for plus/minus grades. - [Semester Grade Calculator](https://top10k.com/tool/semester-grade-calculator): Calculate your semester GPA by entering each course name, grade, and credit hours. Instantly see your weighted GPA and letter grade summary. - [Sig Fig Counter](https://top10k.com/tool/sig-fig-counter): Count the significant figures in any number. Applies standard sig fig rules and highlights which digits are significant. - [Spelling Test Generator](https://top10k.com/tool/spelling-test-generator): Generates a printable spelling test from a user-supplied word list, with numbered blank lines and optional answer key. - [Standard Score Converter](https://top10k.com/tool/standard-score-converter): Converts between standard scores, percentile ranks, z-scores, T-scores, stanines, and NCE scores used in educational assessment. - [Stanine Converter](https://top10k.com/tool/stanine-converter) - [Study Time Planner](https://top10k.com/tool/study-time-planner): Distributes study hours across multiple subjects based on their difficulty and credit weight, generating a printable weekly study schedule. - [T Score Converter](https://top10k.com/tool/t-score-converter): Converts raw scores to T scores (mean=50, SD=10) and vice versa for standardized test interpretation. - [Test Grade Percentage Calculator](https://top10k.com/tool/test-grade-percentage) - [Test Score Calculator](https://top10k.com/tool/test-score-calculator): Calculates the percentage score and letter grade from correct answers or missed questions and total test questions. - [Times Table Quiz](https://top10k.com/tool/times-table-quiz): Interactive multiplication quiz that lets users practice times tables (1–12) with configurable speed, tracks score and streaks, and gives instant right/wrong feedback. - [Unit Circle Reference](https://top10k.com/tool/unit-circle-reference): Interactive reference showing the unit circle with angles in degrees and radians, plus sine, cosine, and tangent values for all standard angles. - [USA Country Facts](https://top10k.com/tool/usa-country-facts): Quick-reference page displaying key facts about the United States — population, area, capital, GDP, currency, time zones, and more. - [Weighted GPA Calculator](https://top10k.com/tool/weighted-gpa-calculator): Calculates weighted GPA using course credits and letter grades, supporting standard, honors (+0.5), and AP/IB (+1.0) weight levels. Shows both weighted (5.0 scale) and unweighted (4.0 scale) GPA si… - [Math Word Problem Generator](https://top10k.com/tool/word-problem-generator): Generates random math word problems across topics (addition, subtraction, multiplication, division, fractions, percentages, distance/rate/time) at selectable grade levels (1-8), with a "Show Answer… ## Productivity (55) - [Acronym Generator](https://top10k.com/tool/acronym-generator): Generate acronyms and initialisms from any phrase, or expand an existing acronym into creative word suggestions with our backronym generator. Supports multiple styles and themes. - [Anagram Solver](https://top10k.com/tool/anagram-solver): Find all valid English words hidden in a set of scrambled letters. Supports wildcards (?), minimum word length filter, and groups results by word length — largest first. - [Bill Splitter](https://top10k.com/tool/bill-splitter): Splits a restaurant or group bill evenly among any number of people, with optional tip percentage and individual custom amounts. - [Billable Hours Calculator](https://top10k.com/tool/billable-hours-calculator): Track billable time entries with hourly rates and calculate the total invoice amount instantly in your browser. - [Break Reminder Timer](https://top10k.com/tool/break-reminder-timer): A configurable interval timer that reminds you to take regular breaks using browser notifications and an audible beep. Set your work interval and break duration, then start the countdown. - [Burndown Helper](https://top10k.com/tool/burndown-helper): Generates a sprint burndown chart showing ideal vs actual remaining work over the sprint duration based on story points. - [Character Counter](https://top10k.com/tool/character-counter): Paste or type text to instantly count characters (with and without spaces), words, sentences, paragraphs, and reading time. Live progress bars show Twitter/X, SMS, title tag, meta description, and … - [Cost Variance Calculator (EVM)](https://top10k.com/tool/cost-variance-calc) - [Countdown Timer Tool](https://top10k.com/tool/countdown-timer-tool): A real-time countdown timer where you set hours, minutes, and seconds — supports start, pause, resume, and reset; plays a browser notification sound when time is up. - [CPI & SPI Calculator](https://top10k.com/tool/cpi-spi-calculator) - [Critical Path Helper](https://top10k.com/tool/critical-path-helper): Identifies the critical path in a project by calculating earliest and latest start and finish times for each task given dependencies and durations. - [Cycle Time Calculator (PM)](https://top10k.com/tool/cycle-time-pm): Project management cycle time calculator for agile teams. Single-item mode shows calendar days, working days (Mon–Fri), hours, and minutes. Batch mode accepts multiple start/end date pairs and retu… - [Daily Schedule Maker](https://top10k.com/tool/daily-schedule-maker): Build a structured daily schedule by adding time-blocks with activity labels, then view and print a clean visual timeline. - [Earned Value Calculator](https://top10k.com/tool/earned-value-calc) - [Estimate at Completion (EAC) Calculator](https://top10k.com/tool/estimate-at-completion) - [Expense Splitter](https://top10k.com/tool/expense-splitter): Split a shared expense among multiple people equally or by custom amounts. See exactly how much each person owes or is owed. - [Focus Timer](https://top10k.com/tool/focus-timer): A configurable countdown timer with start, pause, and reset controls. Plays an alert and sends a browser notification when time is up. Perfect for Pomodoro sessions and focused work blocks. - [Gantt Chart Duration Calculator](https://top10k.com/tool/gantt-duration-calc): Calculate task durations and project end dates for Gantt chart planning. Supports working-days-only mode that skips weekends, so your timeline reflects real business capacity. - [Habit Tracker](https://top10k.com/tool/habit-tracker): A client-side daily habit tracker where you add up to 10 habits, mark them complete each day, and see a 7-day streak grid stored in localStorage. - [Hashtag Generator](https://top10k.com/tool/hashtag-generator): Generate relevant hashtags for any topic or post. Results are grouped by popularity tier (Popular, Mid-tier, Niche) with platform-specific recommendations for Instagram, Twitter/X, TikTok, and Link… - [Invoice Generator](https://top10k.com/tool/invoice-generator): Client-side invoice builder — fill in seller/buyer details, add line items, auto-calculates totals with tax, then print or save as PDF via browser print dialog. - [Lead Time Calculator (Project Management)](https://top10k.com/tool/lead-time-pm): Project management lead time calculator for lean and agile teams. Measures total lead time from order/request date to delivery date, then breaks it into queue time (waiting to start), active work t… - [Meeting Cost Calculator](https://top10k.com/tool/meeting-cost-calculator): Calculates the real dollar cost of a meeting based on number of attendees, average salary, and duration. - [Moving Box Estimator](https://top10k.com/tool/moving-box-estimator): Estimates how many moving boxes of each size (small, medium, large, wardrobe) you need based on the number of rooms and household size. - [Moving Cost Estimator](https://top10k.com/tool/moving-cost-estimator): Estimates the cost of a residential move based on move distance, home size, number of rooms, and optional add-on services (packing, storage, insurance). - [Paper Size Reference Chart](https://top10k.com/tool/paper-size-reference): Interactive reference showing all ISO A/B/C, US letter/legal/tabloid paper sizes with dimensions in mm, cm, and inches, plus a to-scale visual comparison. - [PERT Estimate Calculator](https://top10k.com/tool/pert-estimate-calculator): Calculates a weighted project time estimate using the PERT formula: (Optimistic + 4×Most Likely + Pessimistic) / 6, with standard deviation and 3-sigma confidence range. - [Planned Value Calculator](https://top10k.com/tool/planned-value-calc): Free online EVM Planned Value Calculator. Compute PV, SV, CV, SPI, CPI, and EAC for Earned Value Management project tracking. - [Pomodoro Timer](https://top10k.com/tool/pomodoro-timer): Free Pomodoro Technique timer with configurable work and break intervals, session counter, and audio notifications. - [Project Deadline Calculator](https://top10k.com/tool/project-deadline-calculator): Calculate a project deadline date from a start date and duration in working days (Mon–Fri), skipping weekends. Shows the end date, total calendar days, and a milestone breakdown. - [Business Quote Generator](https://top10k.com/tool/quote-generator-business): Generate a printable business price quote or estimate with line items, subtotal, tax, and total — entirely client-side, no server upload required. - [Reading List Tracker](https://top10k.com/tool/reading-list-tracker) - [Reading Time Estimator](https://top10k.com/tool/reading-time-estimator): Paste any text to instantly calculate reading time at four speeds, speaking time, and Flesch readability score with grade level. - [Resource Utilization Calculator](https://top10k.com/tool/resource-utilization-pm): Calculates team resource utilization rate from available hours and allocated hours; flags over/under-allocation for project management. - [Salary Per Meeting Calculator](https://top10k.com/tool/salary-per-meeting-calculator): Calculates the real cost of a meeting in salary dollars based on attendee count, hourly rates, and meeting duration. - [Schedule Variance Calculator](https://top10k.com/tool/schedule-variance-calc) - [Sprint Velocity Calculator](https://top10k.com/tool/sprint-velocity-calc): Calculate average sprint velocity for Agile/Scrum teams by entering completed story points per sprint. Forecast how many sprints remain to clear your backlog. - [Sprint Velocity Calculator](https://top10k.com/tool/sprint-velocity-calculator): Calculates average sprint velocity from completed story points across multiple sprints, and forecasts how many sprints are needed to finish a backlog. - [Stopwatch Tool](https://top10k.com/tool/stopwatch-tool): A browser-based stopwatch with start/stop/reset controls and lap recording that displays elapsed time in HH:MM:SS.ms format. - [Story Point Estimator](https://top10k.com/tool/story-point-estimator): Agile planning poker tool — enter task descriptions and team votes, then calculate the consensus story point estimate using Fibonacci scale. - [Story Point to Hours Converter](https://top10k.com/tool/story-point-to-hours): Converts agile story points to estimated hours using a configurable velocity ratio for sprint planning. - [Team Capacity Calculator](https://top10k.com/tool/team-capacity-calc): Calculate sprint capacity in story points or hours for an agile team. Accounts for team size, sprint length, daily hours, public holidays, time-off days, and a focus factor to reduce overhead. - [Text Summarizer](https://top10k.com/tool/text-summarizer): Paste any long article, essay, or document and instantly get an extractive summary of the top N most important sentences, powered by a word-frequency scoring algorithm — all in your browser. - [Three Point Estimate](https://top10k.com/tool/three-point-estimate): Calculates project task duration estimates using PERT/three-point estimation (optimistic, most likely, pessimistic) with weighted average and standard deviation. - [Time Blocking Planner](https://top10k.com/tool/time-blocking-planner): Build your daily schedule by adding named time blocks with start/end times and color labels. View them on a visual 24-hour timeline and export the full schedule as plain text. - [Time Tracker](https://top10k.com/tool/time-tracker): Simple client-side time tracker with named tasks, start/stop/lap, per-task totals, and a copyable session log. - [Timesheet Calculator](https://top10k.com/tool/timesheet-calculator): Weekly timesheet calculator — enter start/end times and break minutes for each day (Mon–Sun), get daily hours, weekly total, and optional pay calculation at an hourly rate. - [To-Do List Maker](https://top10k.com/tool/to-do-list-maker): A simple, fast to-do list with add/complete/delete tasks, priority levels, localStorage persistence, and plain-text export — all client-side, no account required. - [Typing Speed Test](https://top10k.com/tool/typing-speed-test): Free online typing speed test. Measures words per minute (WPM), characters per minute (CPM), accuracy, and errors. Choose your duration and difficulty, then type the displayed paragraph to see your… - [VPS Auto Script](https://top10k.com/tool/vps): Generate bash automation scripts for VPS management: clone websites, install/remove SSL, delete domains, run backups, and set up auto-restart monitoring. - [W-9 Form Generator](https://top10k.com/tool/w9): Fill out and sign IRS Form W-9 in your browser. Enter your name, tax classification, address, and TIN, draw your signature, and download the completed PDF. - [Weekly Planner](https://top10k.com/tool/weekly-planner) - [WIP Limit Calculator](https://top10k.com/tool/wip-limit-calculator): Calculates the recommended Work-in-Progress (WIP) limit for a Kanban team or workflow stage using Little's Law (WIP = Throughput x Cycle Time), given throughput rate and target cycle time. - [Word Frequency Counter](https://top10k.com/tool/word-frequency-counter): Paste any text and instantly see a ranked frequency table of every word — with count and percentage. Filter out stop words, numbers, and punctuation, set a minimum word length, and view a top-10 ba… - [Word Goal Tracker](https://top10k.com/tool/word-goal-tracker): Track your writing progress toward a word count goal. Paste or type text to see word count, progress bar, estimated pages, and reading time update in real time. ## Language Tools (38) - [Abbreviation Expander](https://top10k.com/tool/abbreviation-expander): Look up the full expansion of common abbreviations and acronyms across medical, technology, legal, military, and general English categories. - [Arabic Transliterator](https://top10k.com/tool/arabic-transliterator): Converts Arabic script text to Latin characters using simplified phonetic romanization, including support for common diacritics (harakat) and Arabic letter variants. - [CJK Character Counter](https://top10k.com/tool/character-count-cjk) - [Character Counter With Spaces](https://top10k.com/tool/character-counter-with-spaces): Counts characters including spaces, characters excluding spaces, words, sentences, paragraphs, and lines in any text — live as you type. - [Cyrillic Transliterator](https://top10k.com/tool/cyrillic-transliterator): Converts Cyrillic text (Russian, Bulgarian, Serbian, Ukrainian) to Latin script using BGN/PCGN or ISO 9 schemes, with optional reverse transliteration from Latin back to Cyrillic. - [Furigana Helper](https://top10k.com/tool/furigana-helper): Displays Japanese kanji with hiragana reading guides (furigana) above them. Wrap each annotation as {kanji|reading} and see ruby-annotated output. - [Hangul Romanizer](https://top10k.com/tool/hangul-romanizer): Converts Korean Hangul text to Revised Romanization of Korean (RR) — the official South Korean standard — with a syllable-by-syllable breakdown table. - [IPA Transcription Helper](https://top10k.com/tool/ipa-transcription-helper): Searchable IPA (International Phonetic Alphabet) symbol reference chart with phoneme descriptions, audio category filters, and click-to-copy symbols. - [Language Detector](https://top10k.com/tool/language-detector): Identify the language of text across 29 supported languages using stopword analysis and Unicode script patterns. Runs entirely in your browser. - [Language Difficulty Estimator](https://top10k.com/tool/language-difficulty-estimator): Estimates how difficult a target language is for an English speaker to learn using FSI category ratings. Shows estimated study hours to reach professional working proficiency. - [Leetspeak Translator](https://top10k.com/tool/leetspeak-translator): Converts normal text to leet speak (1337) and back, with configurable substitution levels from basic to extreme. - [NATO Phonetic Alphabet Converter](https://top10k.com/tool/nato-phonetic-converter): Converts any text into NATO phonetic alphabet words (Alpha, Bravo, Charlie...) for clear spoken communication over radio or phone. - [Number to Words Converter](https://top10k.com/tool/number-to-words-converter): Converts any number up to trillions into its English word form, supporting both cardinal (one, two, three) and ordinal (first, second, third) forms. - [Ordinal Number Converter](https://top10k.com/tool/ordinal-number-converter): Convert cardinal numbers to their ordinal forms — both numeral (1st, 2nd, 3rd) and word form (first, second, third). Supports numbers up to one trillion. - [Pig Latin Translator](https://top10k.com/tool/pig-latin-translator): Translates English text to Pig Latin following standard rules for words starting with consonants, vowels, and special cases. - [Pinyin Helper](https://top10k.com/tool/pinyin-helper): Converts Chinese characters to Pinyin romanization with tone marks, helping learners read and pronounce Mandarin. - [Pluralizer](https://top10k.com/tool/pluralizer): Converts English singular nouns to their correct plural form using built-in pluralization rules (irregular + suffix-based). - [Readability Grade Checker](https://top10k.com/tool/readability-grade-checker): Analyzes text and calculates readability scores including Flesch Reading Ease, Flesch-Kincaid Grade Level, and Gunning Fog Index. - [Reading Speed by Language](https://top10k.com/tool/reading-speed-by-language): Estimates reading time for text in different languages using published average silent reading speeds (WPM or characters per minute) from peer-reviewed linguistics research. - [Reading Time Calculator](https://top10k.com/tool/reading-time-calculator): Estimates reading time for a block of text based on a configurable words-per-minute reading speed, showing total words, sentences, and paragraphs. - [Rhyme Finder](https://top10k.com/tool/rhyme-finder) - [Romaji Converter](https://top10k.com/tool/romaji-converter): Converts Japanese hiragana and katakana text to Hepburn romanization (romaji), useful for learners reading Japanese without kanji knowledge. - [Roman Numeral Date Converter](https://top10k.com/tool/roman-numeral-date-converter): Converts a calendar date (day, month, year) into Roman numerals in DD·MM·YYYY format, and parses Roman numeral dates back to standard dates. - [Sentence Rephraser](https://top10k.com/tool/sentence-rephraser): A client-side writing tool that offers multiple rephrasing strategies — formal, casual, concise, and active voice hint — using rule-based JavaScript transformations. No API calls, fully offline. - [Speaking Time Calculator](https://top10k.com/tool/speaking-time-calculator): Estimates speech duration from word count at slow, average, or fast speaking rates. - [Syllable Count English](https://top10k.com/tool/syllable-count-english): Counts the number of syllables in English words and sentences using a client-side syllabification algorithm, with per-word breakdown. - [Syllable Divider](https://top10k.com/tool/syllable-divider) - [Text To Speech Helper](https://top10k.com/tool/text-to-speech-helper): Read any text aloud using your browser's built-in Web Speech API. Choose from available voices, adjust rate, pitch, and volume, then play, pause, or stop at any time. - [Verb Conjugation Helper](https://top10k.com/tool/verb-conjugation-helper): Shows conjugation tables for common English verbs across all tenses (present, past, future, perfect) and persons. - [Vocabulary Size Estimator](https://top10k.com/tool/vocabulary-size-estimator): Estimates your vocabulary size in English using a quiz-based sampling approach — marks words as known or unknown from frequency-ranked word lists, then projects your total vocabulary size. - [Word Count Chinese](https://top10k.com/tool/word-count-chinese) - [German Word Count Tool](https://top10k.com/tool/word-count-german): Counts words, characters, sentences, and paragraphs in German text with real-time stats; handles German-specific compound words, umlauts (ä, ö, ü), and the sharp S (ß) correctly. - [Word Count Japanese](https://top10k.com/tool/word-count-japanese) - [Word Count Spanish](https://top10k.com/tool/word-count-spanish): Counts words, characters, sentences, and paragraphs in Spanish text, with accent-aware and unique word frequency analysis. - [Word Counter Multilingual](https://top10k.com/tool/word-counter-multilingual) - [Words Per Page Calculator](https://top10k.com/tool/words-per-page-calculator): Estimates the number of pages a given word count will fill, based on font size, line spacing, and margins. - [Words To Number Converter](https://top10k.com/tool/words-to-number-converter): Converts English number words (e.g. "forty-two", "one hundred and twenty three") into their numeric digit form. - [WPM Calculator](https://top10k.com/tool/wpm-calculator): Measures your typing or reading speed in words per minute with a live timed test. ## Music Tools (47) - [432 Hz Tuning Calculator](https://top10k.com/tool/432hz-converter): Calculate and convert standard 440 Hz tuning frequencies to 432 Hz tuning for any musical note. Compare exact Hz values and cents side by side with tone previews. - [Audio File Size Calculator](https://top10k.com/tool/audio-file-size-calculator): Estimates audio file size based on sample rate, bit depth, channels, and duration for uncompressed formats like WAV and AIFF. - [BPM Tap Counter](https://top10k.com/tool/bpm-tap-counter): Tap any key or click to detect the beats per minute (BPM) of a song. Real-time BPM calculation with rolling average and consistency meter. - [BPM Tap Tempo Calculator (Detailed)](https://top10k.com/tool/bpm-tap-detailed): Tap-tempo BPM calculator with real-time beat interval display, note subdivision timings (whole through 32nd notes including triplets), rolling average stats, and a manual BPM input. - [BPM to Hz Calculator](https://top10k.com/tool/bpm-to-hz-calculator): Converts beats per minute (BPM) to frequency in Hz and period in milliseconds — useful for syncing LFOs, delays, and effects to musical tempo in music production. - [BPM to Milliseconds Calculator](https://top10k.com/tool/bpm-to-milliseconds-calculator): Converts BPM (beats per minute) to note durations in milliseconds for all standard note values (whole, half, quarter, eighth, sixteenth, triplets) — essential for audio producers setting delay/reve… - [Brown Noise Generator](https://top10k.com/tool/brown-noise-generator) - [Capo Position Finder](https://top10k.com/tool/capo-position-finder): Finds the capo fret position needed to play a song in a different key using open chord shapes on guitar. - [Capo Transposer](https://top10k.com/tool/capo-transposer): Transposes guitar chord names when a capo is placed on any fret. Enter the chord shown in a tab and the capo fret to get the actual sounding chord, or work in reverse to find what shape to play. - [Cents to Ratio Calculator](https://top10k.com/tool/cents-to-ratio-calculator): Convert musical intervals between cents and frequency ratios using the standard formula ratio = 2^(cents/1200). Supports bidirectional conversion with instant results. - [Chord Finder](https://top10k.com/tool/chord-finder): Shows the notes in any major, minor, diminished, augmented, or 7th chord given a root note and chord quality. - [Chord Inversion Finder](https://top10k.com/tool/chord-inversion-finder): Identifies chord inversions and voicings by analyzing note sets, showing root position and all inversions for common chord types. - [Circle of Fifths Tool](https://top10k.com/tool/circle-of-fifths-tool): Interactive circle of fifths reference: click any key to see its major/minor scale notes, key signature (sharps/flats), relative minor, and chord suggestions — rendered as an SVG circle with clicka… - [Delay Time Calculator](https://top10k.com/tool/delay-time-calculator): Converts BPM to delay time in milliseconds for common note values (whole, half, quarter, eighth, sixteenth, dotted, triplet) used in audio production. - [Equal Temperament Calculator](https://top10k.com/tool/equal-temperament-calculator): Calculates the frequency of any note in 12-tone equal temperament given a reference pitch (A4) and semitone interval. - [Frequency To Cents](https://top10k.com/tool/frequency-to-cents): Converts a frequency ratio or two frequencies (Hz) to cents, and converts cents back to a frequency ratio or a target frequency. Uses the standard formula cents = 1200 × log₂(f2 / f1). - [Frequency to Note Converter](https://top10k.com/tool/frequency-to-note-converter): Converts a frequency in Hz to the nearest musical note name, octave, MIDI number, and cents deviation from equal temperament. - [Guitar Chord Finder](https://top10k.com/tool/guitar-chord-finder): Displays finger positions and fretboard diagrams for common guitar chords across all 12 keys (major, minor, 7th, maj7, m7, sus2, sus4). - [Music Interval Calculator](https://top10k.com/tool/interval-calculator): Calculates the musical interval between two notes, showing semitone distance and interval name (unison, third, fifth, octave, etc.) - [Interval Ratio Calculator](https://top10k.com/tool/interval-ratio-calculator): Calculates the frequency ratio, cents value, and interval name for any two musical notes or arbitrary frequencies. - [Just Intonation Calculator](https://top10k.com/tool/just-intonation-calculator): Generates the just intonation frequency scale from a root note, showing the pure-ratio frequency for every interval and comparing it to equal temperament. - [Key Signature Finder](https://top10k.com/tool/key-signature-finder): Identifies the musical key signature from a set of sharps or flats, showing the major and relative minor keys with all notes in the scale. - [Online Metronome](https://top10k.com/tool/metronome): Free online metronome with adjustable BPM (40-300), multiple time signatures, accent on beat 1, and three sound styles. Keep perfect time during practice with a visual beat indicator. - [Metronome Subdivision Calculator](https://top10k.com/tool/metronome-subdivision): Calculates the millisecond duration for every subdivision (whole, half, quarter, eighth, sixteenth, thirty-second, triplets, and dotted notes) at any tempo in BPM. Also converts a target duration i… - [Music Mode Finder](https://top10k.com/tool/mode-finder): Identifies the musical mode (Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian, Ionian) for any root note and displays its interval pattern, scale notes, and characteristic sound. - [Music Interval Calculator](https://top10k.com/tool/music-interval-calculator): Pick two notes and instantly find the musical interval between them. Returns the interval name, semitones, cents, frequency ratio (just intonation and equal temperament), quality, and consonance/di… - [Note Duration Calculator](https://top10k.com/tool/note-duration-calculator): Calculates the duration in milliseconds and seconds of musical notes (whole, half, quarter, eighth, sixteenth) given a tempo in BPM, with dotted and triplet variants. - [Note Frequency Calculator](https://top10k.com/tool/note-frequency-calculator): Calculate the precise frequency (Hz) of any musical note. Shows period, wavelength in air, neighboring semitones, and all octaves. Supports A4 = 440, 432, 415, and 444 Hz tuning standards. - [Note To Frequency Detailed](https://top10k.com/tool/note-to-frequency-detailed): Converts any musical note (C0–B8) to its exact frequency in Hz, MIDI number, wavelength, and period, with a full reference table for all 12 chromatic notes in the selected octave. - [Piano Chord Finder](https://top10k.com/tool/piano-chord-finder): Displays piano chord shapes for any root note and chord type (major, minor, 7th, maj7, min7, sus2, sus4, dim, aug) with an interactive SVG keyboard diagram. - [Pink Noise Generator](https://top10k.com/tool/pink-noise-generator) - [Polyrhythm Calculator](https://top10k.com/tool/polyrhythm-calculator): Calculates polyrhythm ratios, note durations, and LCM cycle lengths for two or more simultaneous rhythmic patterns at a given tempo. - [Reverb Time Calculator (RT60)](https://top10k.com/tool/reverb-time-calculator): Calculates RT60 reverberation time for a room using the Sabine formula — takes room volume and total absorption as inputs, used in acoustics and studio design. - [Sample Rate Converter](https://top10k.com/tool/sample-rate-converter): Converts audio sample counts between different sample rates (e.g. 44100 Hz to 48000 Hz) and calculates duration and file size estimates. - [Scale Degree Finder](https://top10k.com/tool/scale-degree-finder): Find all scale degrees, note names, intervals, and solfege syllables for any root note and scale type — major, minor, modes, pentatonic, and blues. - [Scale Finder](https://top10k.com/tool/scale-finder): Identifies all notes in any major, minor, pentatonic, blues, or modal scale given a root note, and displays them on a virtual piano keyboard. - [Song Key Detector Helper](https://top10k.com/tool/song-key-detector-helper): Identifies the most likely musical key from a set of selected notes using key signature matching, showing major and relative minor candidates ranked by note coverage. - [Song Length Calculator](https://top10k.com/tool/song-length-calculator): Add multiple song lengths together to get the total duration of a playlist or album. Supports HH:MM:SS and MM:SS formats. - [Tap BPM Counter](https://top10k.com/tool/tap-bpm-counter): Tap any key or button repeatedly to measure the BPM (beats per minute) of a song in real time. - [BPM Tempo Change Calculator](https://top10k.com/tool/tempo-changer): Calculate the playback-speed percentage, ratio, repitch change, and adjusted duration when moving from one BPM to another. This calculator does not process audio files. - [Time Signature Calculator](https://top10k.com/tool/time-signature-calculator): Calculates bar duration, beat duration, and subdivisions for any time signature at a given BPM tempo. - [Time Signature Converter](https://top10k.com/tool/time-signature-converter): Converts between time signatures by calculating beat equivalencies and total duration, helping musicians understand rhythmic relationships across different meters. - [Transpose Tool](https://top10k.com/tool/transpose-tool): Transposes musical chords and notes up or down by a specified number of semitones. Paste a chord chart or list of chords and get the transposed result instantly. - [Transposition By Interval](https://top10k.com/tool/transposition-by-interval): Transposes musical notes or chords up or down by a specified interval (semitones or interval name), showing the resulting pitches in scientific notation and solfege. - [Ukulele Chord Finder](https://top10k.com/tool/ukulele-chord-finder): Displays ukulele chord diagrams (fret positions for G-C-E-A tuning) for major, minor, 7th, and other common chord types across all 12 keys, rendered on SVG fretboard grids. - [Vocal Range Finder](https://top10k.com/tool/vocal-range-finder): Identify your vocal range by entering your lowest and highest comfortable notes. The tool classifies your voice type (Bass, Baritone, Tenor, Alto, Mezzo-Soprano, Soprano) and shows your range in se… - [White Noise Generator](https://top10k.com/tool/white-noise-generator) ## Design Tools (20) - [Aspect Ratio Canvas Calculator](https://top10k.com/tool/aspect-ratio-canvas): Calculates canvas or artboard dimensions that maintain a given aspect ratio. Enter width or height and get the missing dimension instantly, with common preset ratios like 16:9, 4:3, 1:1, and A4. - [Color Harmony Generator](https://top10k.com/tool/color-harmony-generator): Generate color harmony palettes (complementary, analogous, triadic, split-complementary, tetradic) from a base hex color, with live preview swatches and copyable hex codes. - [Contrast Ratio WCAG Checker](https://top10k.com/tool/contrast-ratio-wcag): Calculates the WCAG 2.1 contrast ratio between two colors and shows AA/AAA pass/fail for normal and large text. - [CSS Grid Track Calculator](https://top10k.com/tool/css-grid-track-calc): Generate CSS grid-template-columns and grid-template-rows values by calculating track sizes using fr units, fixed widths, and minmax(), helping web designers create precise grid layouts. - [Fabric Cost Per Garment Calculator](https://top10k.com/tool/fabric-cost-per-garment): Estimates fabric cost per garment from fabric width, yardage required per piece, price per yard, and waste percentage. - [CSS Flex Basis Calculator](https://top10k.com/tool/flex-basis-calculator): Calculates the optimal flex-basis value for CSS flexbox items given a container width, number of items, and gap size, and generates the full CSS snippet. - [Golden Ratio Typography Calculator](https://top10k.com/tool/golden-ratio-typography): Derives optimal body font size, line height, and line width from a base font size using the golden ratio (1.618). Helps designers create harmonious, readable typographic scales. - [Grid Column Calculator](https://top10k.com/tool/grid-column-calculator): Calculate CSS grid column widths, gutters, and margins given container width, number of columns, and gutter size. - [Image Resolution Calculator](https://top10k.com/tool/image-resolution-needed): Calculates the minimum image resolution (pixels) needed to print or display at a given physical size and DPI/PPI. Enter your output size and target quality to get the required pixel dimensions. - [Letter Spacing Calculator](https://top10k.com/tool/letter-spacing-calculator) - [Line Height Recommender](https://top10k.com/tool/line-height-recommender): Recommends optimal CSS line-height values for body text, headings, and captions based on font size and line length (measure), following typographic best practices for readability. - [Pixel to Point Design Converter](https://top10k.com/tool/pixel-to-point-design): Converts pixel values to typographic points (pt) and vice versa for any screen DPI, helping designers align digital and print dimensions. - [Print Bleed Calculator for Artwork](https://top10k.com/tool/print-bleed-calculator-art): Calculate the total artwork canvas size including bleed and safe zone for print production. Enter your trim size and bleed amount to get the exact document size to set up in your design application. - [PX to EM Converter](https://top10k.com/tool/px-to-em-converter): Converts CSS pixel values to em units (and back) based on a configurable base font size, with a reference table for common px values and multi-value batch conversion. - [Responsive Breakpoint Helper](https://top10k.com/tool/responsive-breakpoint-helper) - [Shadow Elevation Helper](https://top10k.com/tool/shadow-elevation-helper): Generate CSS box-shadow values for Material Design elevation levels. Pick an elevation, customize color and shadow direction, preview live on a card, and copy the CSS. - [Spacing Scale Generator](https://top10k.com/tool/spacing-scale-generator): Generates a CSS/Tailwind-style spacing scale from a base unit and ratio multiplier, outputting pixel values, rem values, and ready-to-paste CSS custom properties. - [Spacing Token Generator](https://top10k.com/tool/spacing-token-generator): Generates a CSS spacing token scale (margin/padding custom properties) from a base unit and scale ratio. Outputs named tokens with T-shirt or numeric naming, copy-ready CSS, SCSS, or Tailwind config. - [Viewport Unit Calculator](https://top10k.com/tool/viewport-unit-calculator): Converts CSS viewport units (vw, vh, vmin, vmax) to pixels and vice versa based on configurable screen dimensions. Includes a live reference table for common viewport percentages. - [CSS Z-Index Organizer](https://top10k.com/tool/z-index-organizer): Manage CSS z-index stacking contexts by adding named layers, assigning z-index values, and visualizing the stacking order to prevent conflicts. ## Travel Tools (31) - [Altitude Air Pressure Calculator](https://top10k.com/tool/altitude-air-pressure-calculator): Calculates air pressure, air density, and oxygen percentage at any altitude using the barometric formula, useful for hikers, pilots, and travelers. - [Australia Country Facts](https://top10k.com/tool/australia-country-facts): A comprehensive reference page of key facts about Australia — geography, population, government, economy, and travel essentials. - [Baggage Allowance Checker](https://top10k.com/tool/baggage-allowance-checker): Check if your luggage dimensions and weight fit within carry-on or checked bag limits for major airlines. - [Best Time To Book Estimator](https://top10k.com/tool/best-time-to-book-estimator): Estimates the best time window to book flights or hotels to minimize cost based on destination, travel type, and days until departure. - [Brazil Country Facts](https://top10k.com/tool/brazil-country-facts): Static reference page covering key facts about Brazil: capital, population, area, language, currency (BRL), time zones, government type, GDP, and notable landmarks. - [Brazil Time Zones Overview](https://top10k.com/tool/brazil-time-zones): Reference page listing all Brazilian time zones (BRT, BRST, AMT, ACT, FNT) with current times, UTC offsets, and the states/regions covered by each zone. - [Canada Time Zones Overview](https://top10k.com/tool/canada-time-zones): Shows current time across all Canadian time zones with a live clock display and time zone converter for Canadian provinces and territories. - [Car Rental Cost Calculator](https://top10k.com/tool/car-rental-cost-calculator): Calculates total car rental cost including daily rate, insurance, taxes, and extra fees. - [China Country Facts](https://top10k.com/tool/china-country-facts): Quick-reference fact sheet for China covering geography, population, economy, government, culture, and key statistics in a searchable, categorized layout. - [Currency Tip by Country](https://top10k.com/tool/currency-tip-by-country): Shows tipping customs, local currency, and suggested tip amounts for 50+ countries. Enter your bill amount and destination to get culturally appropriate tip guidance. - [Daylight Hours Calculator](https://top10k.com/tool/daylight-hours-calculator): Calculates sunrise-to-sunset daylight and civil-light duration by latitude and date using standard solar zenith definitions. - [Distance Between Cities](https://top10k.com/tool/distance-between-cities): Calculates the straight-line (great-circle) distance between two cities using their latitude/longitude coordinates entered by the user, in km and miles. - [Distance Calculator (Coordinates)](https://top10k.com/tool/distance-calculator): Compute the great-circle (Haversine) distance between two latitude/longitude coordinate pairs in kilometers, miles, nautical miles, and meters. Also returns the initial bearing with a 16-point comp… - [Driving Time Estimator](https://top10k.com/tool/driving-time-estimator): Estimates moving time, stops, known delays, and schedule cushion from distance and average speed, calculating an arrival or required departure date and time. - [Flight Time Calculator](https://top10k.com/tool/flight-time-calculator): Estimates still-air flight duration between two airports from great-circle distance and a preset or custom speed in mph or knots. - [Flight Time Estimator](https://top10k.com/tool/flight-time-estimator): Estimate flight duration and distance between major airports using great-circle distance and calibrated aircraft-speed presets. - [Fuel Cost Calculator](https://top10k.com/tool/fuel-cost-calculator): Calculate the fuel cost of any road trip. Enter distance, vehicle fuel efficiency, and fuel price to get total fuel used and total cost. Optionally split the cost among passengers. - [Fuel Trip Cost Calculator](https://top10k.com/tool/fuel-trip-cost-calculator): Calculate the total fuel cost for any road trip by entering distance, fuel efficiency, and price per unit. - [Japan Time Zones Overview](https://top10k.com/tool/japan-time-zones): Displays the current Japan Standard Time (JST, UTC+9) and converts it to any selected world time zone in real time. - [Jet Lag Calculator](https://top10k.com/tool/jet-lag-calculator): Estimate jet lag severity, expected recovery days, and get a personalized 7-day sleep adjustment plan based on your origin and destination time zones, travel date, and normal sleep schedule. - [Layover Calculator](https://top10k.com/tool/layover-calculator): Calculate layover duration between connecting flights by entering arrival and departure times. Shows hours and minutes of layover and whether it meets minimum connection time requirements. - [Mileage Reimbursement Calculator](https://top10k.com/tool/mileage-reimbursement-calculator): Calculates business mileage reimbursement amounts using IRS standard mileage rates (2024/2025) for business, medical, and charity driving. - [Packing List Generator](https://top10k.com/tool/packing-list-generator): Generates a customizable travel packing checklist based on trip type (beach, business, camping, etc.), duration, and destination climate. - [Packing Time Estimator](https://top10k.com/tool/packing-time-estimator): Estimates how long it will take to pack for a move or trip based on number of rooms, boxes, and helpers. - [Passport Photo Resizer](https://top10k.com/tool/passport-photo-resizer): Resize and crop a photo to official passport and visa dimensions for the US, EU, UK, Canada, Australia, and more. Uses the Canvas API — no upload, fully private. - [Road Trip Cost Calculator](https://top10k.com/tool/road-trip-cost-calculator): Estimates the total fuel cost for a road trip given distance, vehicle fuel efficiency (MPG or L/100km), and gas price per gallon or liter. - [Russia Country Facts](https://top10k.com/tool/russia-country-facts): A comprehensive quick-reference page of key facts about Russia — geography, population, government, economy, and travel essentials. - [Speed By Country Converter](https://top10k.com/tool/speed-by-country-converter): Convert speed limits between km/h and mph, showing which unit each country uses, for travelers switching between driving regions. - [Travel Budget Calculator](https://top10k.com/tool/travel-budget-calculator): Plan your total trip cost by entering expenses across six categories — flights, accommodation, food, activities, local transport, and miscellaneous — then set a total budget to see a full breakdown… - [Trip Cost Calculator](https://top10k.com/tool/trip-cost-calculator): Estimate the total cost of any trip. Calculate fuel, accommodation, food, activities, and custom expenses. Split costs among travelers and save scenarios locally. - [Visa-Free Days Tracker](https://top10k.com/tool/visa-free-days-tracker): Track remaining visa-free days in a destination country using the 90/180-day Schengen rule or custom rolling-window rules, based on entered entry and exit dates. ## Food & Cooking (213) - [ABV Calculator](https://top10k.com/tool/abv-calculator): Calculates Alcohol By Volume (ABV) for homebrewed beer, wine, or cider from original gravity (OG) and final gravity (FG) readings, using both the standard and alternate formulas. - [Wine Acid Addition Calculator](https://top10k.com/tool/acid-addition-wine): Calculates how much tartaric, malic, or citric acid to add to wine to reach a target titratable acidity level. - [Agave Syrup Cups to Grams Converter](https://top10k.com/tool/agave-syrup-cups-to-grams): Converts agave syrup and agave nectar between US cups, tablespoons, and teaspoons and weight in grams and ounces, using a standard density of 336 g per US cup. - [Agave Syrup Grams to Cups Converter](https://top10k.com/tool/agave-syrup-grams-to-cups): Convert agave syrup or nectar weight in grams to US cup measurements using a standard density of 336 g per cup, with a quick reference table for common amounts. - [Alcohol Attenuation Calculator](https://top10k.com/tool/alcohol-attenuation-calculator): Calculates apparent and real attenuation and ABV from original and final gravity readings for homebrewing beer, cider, and wine fermentation. - [Almond Flour Cups to Grams](https://top10k.com/tool/almond-flour-cups-to-grams): Converts almond flour measured in US cups to grams, using almond flour's actual density (not generic flour), with a quick reference table for common amounts. - [Almond Flour Grams to Cups Converter](https://top10k.com/tool/almond-flour-grams-to-cups): Convert almond flour weight in grams to US cup measurements using almond flour's actual density, with a quick reference table for common amounts. - [Almonds Cups to Grams](https://top10k.com/tool/almonds-cups-to-grams): Converts whole raw almonds from cups to grams (and ounces), using a standard density figure, with a quick reference table. - [Almonds Grams to Cups](https://top10k.com/tool/almonds-grams-to-cups): Converts a weight of whole raw almonds in grams to the equivalent volume in US cups, using a standard density figure, with a quick reference table. - [Apparent Attenuation Calculator](https://top10k.com/tool/apparent-attenuation-calculator): Calculates the apparent attenuation percentage in homebrewing to indicate how much fermentable sugar yeast consumed. - [Baker's Percentage Calculator](https://top10k.com/tool/baker-percentage-calculator): Convert bread recipe ingredient weights to baker's percentages (relative to total flour weight) and scale recipes up or down. - [Baking Pan Size Converter](https://top10k.com/tool/baking-pan-size-converter): Converts recipe volumes between different baking pan sizes (round, square, rectangular) so you can substitute pans without ruining your recipe. - [Baking Soda Cups to Grams Converter](https://top10k.com/tool/baking-soda-cups-to-grams): Convert a measurement of baking soda from US cups and common fractions to grams using the standard density of 220 g per cup. - [Baking Soda Grams to Cups Converter](https://top10k.com/tool/baking-soda-grams-to-cups): Convert grams of baking soda to US cups instantly. Uses the standard density of 220 g per cup for accurate baking measurements. - [Biga Calculator](https://top10k.com/tool/biga-calculator): Calculates biga pre-ferment quantities for bread baking. Enter total flour weight and biga percentage to get flour, water, and yeast amounts for both the biga and the final dough. - [Black Beans Cups to Grams](https://top10k.com/tool/black-beans-cups-to-grams): Convert a quantity of black beans from cups to grams for dry (uncooked) and cooked (boiled and drained) black beans, with a quick reference table. - [Black Beans Grams to Cups](https://top10k.com/tool/black-beans-grams-to-cups): Convert black beans between grams and cups for dry (uncooked) and cooked (boiled and drained) beans, with a live bidirectional converter and reference table. - [Bread Flour Cups to Grams](https://top10k.com/tool/bread-flour-cups-to-grams): Converts bread flour measured in US cups to grams (and vice versa) using accurate bread-flour density, with support for common fractional cup amounts. - [Bread Flour Grams to Cups](https://top10k.com/tool/bread-flour-grams-to-cups): Converts bread flour between grams and US cups using the correct bread-flour density, with live-updating inputs in both directions and common preset amounts. - [Bread Hydration Calculator](https://top10k.com/tool/bread-hydration-calculator): Calculates bread dough hydration percentage from flour and water weights, or determines water needed for a target hydration level. - [Breadcrumbs Cups to Grams](https://top10k.com/tool/breadcrumbs-cups-to-grams): Converts plain dry breadcrumbs measured in US cups to grams (and back), with a live-converting input and a quick reference table for common amounts. - [Breadcrumbs Grams to Cups](https://top10k.com/tool/breadcrumbs-grams-to-cups): Converts plain dry breadcrumbs measured in grams to US cups (and back), with a live-converting input and a quick reference table for common amounts. - [Brine Ratio Calculator](https://top10k.com/tool/brine-ratio-calculator): Calculates how much salt (and optionally sugar) to dissolve in a given volume of water to achieve a target brine concentration percentage for meat, vegetable, or cheese brining. - [Brix to Gravity Converter](https://top10k.com/tool/brix-to-gravity-converter): Convert Brix sugar readings to specific gravity (SG) for homebrewing; also convert SG back to Brix and calculate potential alcohol by volume. - [Brown Sugar Cups to Grams Converter](https://top10k.com/tool/brown-sugar-cups-to-grams): Converts brown sugar volume measurements (cups, tablespoons, teaspoons) to grams and ounces for accurate baking. - [Brown Sugar Grams to Cups Converter](https://top10k.com/tool/brown-sugar-grams-to-cups): Convert brown sugar between grams and cups (packed or unpacked) using standard culinary density values, with tablespoon and teaspoon breakdowns. - [Butter Cups to Grams Converter](https://top10k.com/tool/butter-cups-to-grams): Converts butter measurements between cups, half-cups, tablespoons, teaspoons, sticks, and grams/ounces for US and metric recipes. - [Butter Grams to Cups Converter](https://top10k.com/tool/butter-grams-to-cups): Converts butter weight in grams to cups, tablespoons, and teaspoons using standard density (911 g/L) with a quick-reference conversion table. - [Butter to Oil Converter](https://top10k.com/tool/butter-to-oil-converter): Converts butter measurements to equivalent cooking oil amounts using the standard 4:3 butter-to-oil ratio, with support for cups, tablespoons, grams, and ounces. - [Cake Flour Cups to Grams](https://top10k.com/tool/cake-flour-cups-to-grams): Converts cake flour measured in US cups to grams (and vice versa) using cake flour's lighter, finer density, with support for common fractional cup amounts. - [Cake Flour Grams to Cups](https://top10k.com/tool/cake-flour-grams-to-cups): Converts cake flour weight in grams to US cups (and back) using the sifted cake flour density of about 114 g per cup, with live two-way conversion and preset amounts. - [Calorie In Recipe Calculator](https://top10k.com/tool/calorie-in-recipe-calculator): Tallies total and per-serving calories by adding ingredients with their calorie counts. Calculate the exact calorie content of any homemade recipe. - [Candy Stage Temperature Reference](https://top10k.com/tool/candy-stage-temperature): Look up candy-making temperature stages — thread, soft ball, firm ball, hard ball, soft crack, and hard crack — in both Fahrenheit and Celsius, and find which stage a given temperature falls in. - [Candy Temperature Guide](https://top10k.com/tool/candy-temperature-guide): Interactive reference guide showing candy-making temperature stages (thread, soft ball, firm ball, hard ball, soft crack, hard crack) with a temperature lookup tool in Fahrenheit and Celsius. - [Caramel Temperature Stages](https://top10k.com/tool/caramel-temperature): Reference tool for sugar cooking temperature stages — thread, soft ball, firm ball, hard ball, soft crack, hard crack, and caramel — with instant °F/°C toggle and altitude correction. - [Cashews Cups to Grams](https://top10k.com/tool/cashews-cups-to-grams): Converts whole raw cashews from cups to grams (and ounces), using a standard density figure, with a quick reference table. - [Cashews Grams to Cups](https://top10k.com/tool/cashews-grams-to-cups): Converts grams of whole raw cashews to cups (and tablespoons), using a standard density figure, with a quick reference table. - [Catering Quantity Calculator](https://top10k.com/tool/catering-quantity-calculator) - [Chia Seeds Cups to Grams](https://top10k.com/tool/chia-seeds-cups-to-grams): Converts a quantity of chia seeds from cups to grams (and ounces), using a standard density figure, with a quick reference table. - [Chia Seeds Grams to Cups](https://top10k.com/tool/chia-seeds-grams-to-cups): Converts a quantity of chia seeds from grams to cups (and ounces), using the same fixed density figure as the cups-to-grams converter, with a quick reference table. - [Chickpeas Cups to Grams](https://top10k.com/tool/chickpeas-cups-to-grams): Convert a quantity of chickpeas from cups to grams for dry, cooked (boiled), and canned (drained) chickpeas, with a quick reference table. - [Chickpeas Grams to Cups](https://top10k.com/tool/chickpeas-grams-to-cups): Convert a quantity of chickpeas from grams to cups for dry, cooked (boiled), and canned (drained) chickpeas, with a quick reference table. - [Chocolate Chips Cups to Grams](https://top10k.com/tool/chocolate-chips-cups-to-grams): Converts chocolate chips from US cups, including common fractions, to grams and ounces using a verified density figure, with a quick reference table. - [Chocolate Chips Grams to Cups](https://top10k.com/tool/chocolate-chips-grams-to-cups): Converts chocolate chips from grams to cups and ounces using a verified density figure, with a quick reference table. - [Chocolate Tempering Guide](https://top10k.com/tool/chocolate-tempering): Interactive guide and temperature tracker for tempering dark, milk, and white chocolate. Shows the three-stage temperature curve with target ranges in both Fahrenheit and Celsius. - [CO2 Volumes Calculator for Homebrewing](https://top10k.com/tool/co2-volumes-calculator): Calculates CO2 volumes in beer based on temperature and residual CO2 at bottling or kegging, plus priming sugar amounts (corn sugar, table sugar, DME) needed to hit a target carbonation level. - [Cocktail Dilution Calculator](https://top10k.com/tool/cocktail-dilution-calculator) - [Cocktail Ratio Calculator](https://top10k.com/tool/cocktail-ratio-calculator): Scales cocktail recipes up or down by batch size, calculates ingredient amounts in oz/ml, and shows alcohol by volume percentage. - [Cocoa Powder Cups to Grams Converter](https://top10k.com/tool/cocoa-powder-cups-to-grams): Converts cocoa powder volume measurements (cups, tablespoons, teaspoons) to grams and ounces using standard density values for baking precision. - [Cocoa Powder Grams to Cups Converter](https://top10k.com/tool/cocoa-powder-grams-to-cups): Converts cocoa powder between grams and US cups (and tablespoons/teaspoons), accounting for natural vs Dutch-process cocoa powder densities. - [Coconut Flour Cups to Grams](https://top10k.com/tool/coconut-flour-cups-to-grams): Converts coconut flour between US cups and grams using coconut flour's own density, with live bidirectional inputs and a quick reference table. - [Coconut Flour Grams to Cups Converter](https://top10k.com/tool/coconut-flour-grams-to-cups): Convert coconut flour weight in grams to US cup measurements using coconut flour's real density, with a quick reference table for common amounts. - [Coconut Oil Cups to Grams Converter](https://top10k.com/tool/coconut-oil-cups-to-grams): Converts coconut oil volume in US cups, tablespoons, and teaspoons to weight in grams and ounces using coconut oil density of 218 g/cup. - [Coffee To Water Ratio Calculator](https://top10k.com/tool/coffee-to-water-ratio-calculator): Calculates the ideal coffee-to-water ratio for different brewing methods (pour-over, French press, espresso, etc.) so you always brew the perfect cup. - [Cold Brew Ratio Calculator](https://top10k.com/tool/cold-brew-ratio-calculator): Calculates how much ground coffee and water to use for any cold brew batch size, supporting concentrate (1:4) and regular (1:8) ratios for immersion or slow-drip methods. - [Condensed Milk Cups to Grams Converter](https://top10k.com/tool/condensed-milk-cups-to-grams): Converts sweetened condensed milk measurements between cups, tablespoons, teaspoons, grams, and ounces, with a reference table matching standard 14 oz can sizes. - [Condensed Milk Grams to Cups Converter](https://top10k.com/tool/condensed-milk-grams-to-cups): Converts sweetened condensed milk weight (grams or ounces) to volume in cups, tablespoons, and teaspoons, using the standard 306 g per US cup density. - [Cooking Measurement Converter](https://top10k.com/tool/cooking-measurement-converter): Convert between cups, tablespoons, teaspoons, fluid ounces, milliliters, liters, pints, quarts, and gallons. Ingredient-aware density mode converts volume to weight in grams for flour, sugar, butte… - [Corn Syrup Cups to Grams Converter](https://top10k.com/tool/corn-syrup-cups-to-grams): Convert corn syrup volume in cups (US) to grams using the standard density of 328 g per cup, for both light and dark corn syrup. - [Corn Syrup Grams to Cups Converter](https://top10k.com/tool/corn-syrup-grams-to-cups): Converts grams of corn syrup (light or dark) to US cups using the standard density of 328 g per cup. - [Cornmeal Cups to Grams](https://top10k.com/tool/cornmeal-cups-to-grams): Converts a cup amount of cornmeal into grams (and vice versa), using cornmeal's own density, for cornbread, polenta, and other recipes. - [Cornmeal Grams to Cups Converter](https://top10k.com/tool/cornmeal-grams-to-cups): Convert cornmeal weight in grams to US cup measurements using cornmeal's actual density, with a quick reference table for common amounts. - [Cornstarch Cups to Grams Converter](https://top10k.com/tool/cornstarch-cups-to-grams): Convert cornstarch volume in cups (US) to grams using the standard density of 120 g per cup. Supports common fractions and decimal amounts. - [Cornstarch Grams to Cups Converter](https://top10k.com/tool/cornstarch-grams-to-cups): Converts grams of cornstarch to US cups (and back), with a quick-reference table for common amounts. - [Cottage Cheese Cups to Grams Converter](https://top10k.com/tool/cottage-cheese-cups-to-grams): Converts cottage cheese measurements between cups, tablespoons, teaspoons, grams, and ounces, using a standard 225 g per US cup density figure. - [Cottage Cheese Grams to Cups Converter](https://top10k.com/tool/cottage-cheese-grams-to-cups): Converts a gram amount of cottage cheese to US cups, tablespoons, teaspoons, and ounces, using a standard 225 g per US cup density figure. - [Couscous Cups to Grams](https://top10k.com/tool/couscous-cups-to-grams): Converts a US cup measurement of dry, uncooked couscous into grams, using standard couscous density, with a live-updating input and preset amounts. - [Couscous Grams to Cups](https://top10k.com/tool/couscous-grams-to-cups): Converts a gram weight of dry, uncooked couscous into US cups, using standard couscous density, with a live-updating input and a reference table. - [Cream Cheese Cups to Grams Converter](https://top10k.com/tool/cream-cheese-cups-to-grams): Converts US cups of cream cheese to grams using a standard density of 232 g per cup, with a quick-reference table of common amounts. - [Cream Cheese Grams to Cups Converter](https://top10k.com/tool/cream-cheese-grams-to-cups): Convert cream cheese weight in grams to US cup measurements using cream cheese's standard density, with a quick reference table for common amounts. - [Deep Fry Oil Temp Guide](https://top10k.com/tool/deep-fry-oil-temp): Reference guide and calculator for deep frying oil temperatures by food type, with Fahrenheit/Celsius conversion. - [Dehydrator Time Guide](https://top10k.com/tool/dehydrator-time-guide) - [Dilution Gravity Calculator](https://top10k.com/tool/dilution-gravity-calculator): Calculate the resulting specific gravity after diluting homebrew wort or beer by adding water, given original volume, original gravity, and volume of water added. - [Dough Hydration Calculator](https://top10k.com/tool/dough-hydration-calculator): Calculates bread dough hydration percentage and baker's percentages for flour, water, salt, and yeast. - [Dried Cranberries Cups to Grams](https://top10k.com/tool/dried-cranberries-cups-to-grams): Converts dried cranberries (craisins) from US cups, including common fractions, to grams and ounces using a verified density figure, with a quick reference table. - [Dried Cranberries Grams to Cups](https://top10k.com/tool/dried-cranberries-grams-to-cups): Converts dried cranberries (craisins) from grams to cups and ounces using a verified density figure, with a quick reference table. - [Dry Brine Calculator](https://top10k.com/tool/dry-brine-calculator): Calculates the amount of salt needed for dry brining meat by weight, with guidance on salt percentage by meat type (chicken, beef, pork, turkey) and brining time recommendations. - [Egg Size Converter](https://top10k.com/tool/egg-size-converter): Convert between egg sizes (small, medium, large, extra-large, jumbo) for recipe substitutions. Find out how many eggs of one size replace another. - [Espresso Ratio Calculator](https://top10k.com/tool/espresso-ratio-calculator): Calculates the brew ratio (coffee dose to yield) for espresso shots to help dial in the perfect extraction. - [Evaporated Milk Cups to Grams](https://top10k.com/tool/evaporated-milk-cups-to-grams): Converts evaporated milk measurements between cups, tablespoons, teaspoons, grams, and ounces using its standard 252 g/cup density, with a reference table for common baking amounts. - [Evaporated Milk Grams to Cups Converter](https://top10k.com/tool/evaporated-milk-grams-to-cups): Convert evaporated milk weight in grams to US cup measurements using evaporated milk's standard density, with a quick reference table for common amounts. - [Fermentation Salt Ratio](https://top10k.com/tool/fermentation-salt-ratio): Calculates the amount of salt needed for vegetable fermentation based on produce weight and desired salt percentage. - [Final Gravity Calculator](https://top10k.com/tool/final-gravity-calculator): Calculates apparent and real attenuation, fermented extract, and ABV for homebrewing beer from original and final gravity readings. - [Flax Seeds Cups to Grams](https://top10k.com/tool/flax-seeds-cups-to-grams): Converts a quantity of whole flax seeds from US cups to grams (and ounces), using a standard density figure, with a quick reference table. - [Flax Seeds Grams to Cups](https://top10k.com/tool/flax-seeds-grams-to-cups): Converts a quantity of flax seeds from grams to US cups using the correct density for whole flaxseed, with a quick reference table. - [Flour Cups to Grams Converter](https://top10k.com/tool/flour-cups-to-grams): Converts cups of flour to grams (and vice versa) for common flour types: all-purpose, bread, cake, whole wheat, almond, and more. - [Flour Grams to Cups Converter](https://top10k.com/tool/flour-grams-to-cups): Converts flour weight in grams to US cup measurements for common flour types used in baking. - [Food Cost Calculator](https://top10k.com/tool/food-cost-calculator): Calculate food cost percentage and ideal menu pricing for restaurant or catering operations. Add ingredients, set a target food cost percentage, and get the recommended selling price instantly. - [Grated Parmesan Cups to Grams Converter](https://top10k.com/tool/grated-parmesan-cups-to-grams): Converts finely grated parmesan cheese measurements between cups, tablespoons, teaspoons, grams, and ounces, using a standard 100 g per US cup density figure. - [Grated Parmesan Grams to Cups Converter](https://top10k.com/tool/grated-parmesan-grams-to-cups): Converts a gram amount of finely grated parmesan cheese to US cups, tablespoons, teaspoons, and ounces, using a standard 100 g per US cup density figure. - [Grill Temperature Guide](https://top10k.com/tool/grill-temperature-guide): Quick-reference guide and lookup tool for recommended grill temperatures and cooking times for different meats, vegetables, and fish, with doneness levels. - [Grocery Budget Calculator](https://top10k.com/tool/grocery-budget-calculator): Plan and track your weekly or monthly grocery budget by itemizing food categories, setting spending limits, and instantly seeing totals vs. budget. - [Heavy Cream Cups to Grams Converter](https://top10k.com/tool/heavy-cream-cups-to-grams): Converts US cups of heavy cream (heavy whipping cream) to grams using a standard density of 238 g per cup, with a quick-reference table of common amounts. - [Heavy Cream Grams to Cups Converter](https://top10k.com/tool/heavy-cream-grams-to-cups): Converts a gram measurement of heavy cream (heavy whipping cream) to US cups using the same standard 238 g/cup density as the cups-to-grams converter, with a quick-reference table. - [Honey Cups to Grams Converter](https://top10k.com/tool/honey-cups-to-grams): Converts honey measurements from cups and other volume units to grams and ounces, accounting for honey's density of approximately 340g per cup. - [Honey Grams to Cups Converter](https://top10k.com/tool/honey-grams-to-cups): Converts honey between grams and US cups, tablespoons, and teaspoons using honey's density of approximately 1.42 g/mL. - [Hydrometer Temperature Correction Calculator](https://top10k.com/tool/hydrometer-temperature-correction) - [IBU Bitterness Calculator](https://top10k.com/tool/ibu-bitterness-calculator): Calculate International Bitterness Units (IBU) for homebrewing beer recipes using Tinseth or Rager formula with multiple hop additions. - [Jam Pectin Ratio Calculator](https://top10k.com/tool/jam-pectin-ratio): Calculate the correct amount of pectin to add for homemade jam or jelly based on fruit weight, sugar ratio, and pectin type (liquid vs powdered, low-sugar vs regular). - [Keg Carbonation Calculator](https://top10k.com/tool/keg-carbonation-calculator): Calculate the CO2 pressure needed to carbonate beer in a keg to a target volumes-of-CO2 level at a given serving temperature using Henry's Law. - [Ketchup Cups to Grams](https://top10k.com/tool/ketchup-cups-to-grams): Convert ketchup volume (cups, tablespoons, teaspoons) to weight in grams and ounces using a standard ketchup density. - [Ketchup Grams to Cups](https://top10k.com/tool/ketchup-grams-to-cups): Converts ketchup weight in grams to cups, tablespoons, and teaspoons using a standard 270 g per US cup density, with a quick reference table. - [Kombucha Ratio Calculator](https://top10k.com/tool/kombucha-ratio-calculator) - [Lentils Cups to Grams](https://top10k.com/tool/lentils-cups-to-grams): Convert a quantity of dry lentils from cups to grams for red, green, brown, and black lentils, with a quick reference table. - [Lentils Grams to Cups](https://top10k.com/tool/lentils-grams-to-cups): Convert a quantity of dry lentils from grams to cups for red, green, brown, and black lentils, with a quick reference table. - [Levain Build Calculator](https://top10k.com/tool/levain-build-calculator): Calculates the quantities of starter, flour, and water needed to build a sourdough levain to a target weight and hydration ratio. - [Macaroni Cups to Grams](https://top10k.com/tool/macaroni-cups-to-grams): Converts dry, uncooked elbow macaroni from cups to grams and back, with a reference table for common cup amounts and adjustable rounding. - [Macaroni Grams to Cups Converter](https://top10k.com/tool/macaroni-grams-to-cups): Convert dry, uncooked elbow macaroni from grams to US cups, with adjustable decimal precision and a reference table for common amounts. - [Maple Syrup Cups to Grams Converter](https://top10k.com/tool/maple-syrup-cups-to-grams): Converts maple syrup measurements from cups and other volume units to grams and ounces, using maple syrup's density of 322g per cup. - [Maple Syrup Grams to Cups Converter](https://top10k.com/tool/maple-syrup-grams-to-cups): Convert maple syrup weight in grams to US cup measurements using maple syrup's actual density, with a quick reference table for common amounts. - [Mash Water Ratio Calculator](https://top10k.com/tool/mash-water-ratio-calculator): Calculates the amount of water needed for the mash step in all-grain homebrewing based on grain bill weight and desired water-to-grain ratio (qt/lb or L/kg). - [Mayonnaise Cups to Grams](https://top10k.com/tool/mayonnaise-cups-to-grams): Converts mayonnaise from cups, tablespoons, or teaspoons to grams (and ounces), using a sourced density figure, with a quick reference table. - [Mayonnaise Grams to Cups](https://top10k.com/tool/mayonnaise-grams-to-cups): Converts mayonnaise weight in grams (or ounces) to cups, tablespoons, and teaspoons, using a sourced density figure, with a quick reference table. - [Meal Prep Calculator](https://top10k.com/tool/meal-prep-calculator) - [Meat Cooking Time Calculator](https://top10k.com/tool/meat-cooking-time-calculator): Estimates oven roasting time for beef, chicken, pork, lamb, and turkey based on weight, desired doneness, and cooking temperature. - [Meat Resting Time Calculator](https://top10k.com/tool/meat-resting-time): Calculate how long to rest meat after cooking based on type and weight so juices redistribute for optimal flavor and texture. - [Meat Thawing Time Calculator](https://top10k.com/tool/meat-thawing-time-calculator): Estimates safe thawing time for different cuts and weights of meat using refrigerator, cold water, and microwave methods. - [Milk Cups to Grams Converter](https://top10k.com/tool/milk-cups-to-grams): Converts US cups of milk to grams using the density of whole milk (1 US cup = 240 ml, whole milk ≈ 244 g/cup); includes options for whole, skim, and 2% milk. - [Milk Grams to Cups Converter](https://top10k.com/tool/milk-grams-to-cups): Converts milk measurements between grams and cups — whole milk density ~244 g/cup (US cup); also supports ml and oz conversions. - [Molasses Cups to Grams](https://top10k.com/tool/molasses-cups-to-grams): Convert molasses from US cups (or fractions of a cup) to grams using a verified real-world density, for accurate baking measurements. - [Molasses Grams to Cups Converter](https://top10k.com/tool/molasses-grams-to-cups): Converts a weight of molasses in grams into US cups (with the nearest common fraction), using a verified real-world molasses density. - [Mozzarella Cups to Grams Converter](https://top10k.com/tool/mozzarella-cups-to-grams): Converts shredded mozzarella cheese measurements between cups, tablespoons, teaspoons, grams, and ounces, using a standard 112 g per US cup density figure. - [Mozzarella Grams to Cups Converter](https://top10k.com/tool/mozzarella-grams-to-cups): Converts a gram amount of shredded mozzarella cheese to US cups, tablespoons, teaspoons, and ounces, using a standard 112 g per US cup density figure. - [Must Weight Converter](https://top10k.com/tool/must-weight-converter): Convert grape must sugar content between Brix, Specific Gravity, Oechsle, KMW, and Baume scales for winemaking, with potential ABV estimate. - [Oats Cups to Grams Converter](https://top10k.com/tool/oats-cups-to-grams): Converts oats volume in cups to grams for rolled oats, quick oats, steel-cut oats, and oat flour with US and metric cup options. - [Oats Grams to Cups Converter](https://top10k.com/tool/oats-grams-to-cups): Converts oat weight in grams to US cup measurements for rolled oats, quick oats, and steel-cut oats (each has a different density). - [Olive Oil Cups to Grams Converter](https://top10k.com/tool/olive-oil-cups-to-grams): Converts olive oil volume in US cups to grams using olive oil density ~216 g/cup (0.911 g/mL × 237 mL). - [Olive Oil Grams to Cups Converter](https://top10k.com/tool/olive-oil-grams-to-cups): Converts olive oil weight in grams to US cups using olive oil's density (~0.911 g/mL). Also shows tablespoons, teaspoons, milliliters, and ounces. - [Original Gravity Calculator](https://top10k.com/tool/original-gravity-calculator): Calculates the original gravity (OG) of homebrewed beer from grain bill (malt type, weight, and potential extract points) and batch volume in gallons or liters. - [Oven Temperature Converter](https://top10k.com/tool/oven-temperature-converter): Convert oven temperatures between Fahrenheit, Celsius, gas mark, and named oven settings. Includes a full baking temperature reference table. - [Panko Cups to Grams](https://top10k.com/tool/panko-cups-to-grams): Converts panko breadcrumbs measured in US cups to grams (and back), with a live-converting input and a quick reference table for common amounts. - [Panko Grams to Cups](https://top10k.com/tool/panko-grams-to-cups): Converts panko breadcrumbs measured in grams to US cups (and back), with a live-converting input and a quick reference table for common amounts. - [Pasta Cups to Grams](https://top10k.com/tool/pasta-cups-to-grams): Converts cups of dry pasta to grams and back, with a shape selector since spaghetti, penne, macaroni, and other shapes pack to different densities in a measuring cup. - [Pasta Grams to Cups Converter](https://top10k.com/tool/pasta-grams-to-cups): Convert dry pasta between grams and cups with a shape selector, since spaghetti, penne, macaroni, and other shapes pack differently by volume. - [Peanut Butter Cups to Grams](https://top10k.com/tool/peanut-butter-cups-to-grams): Converts peanut butter from cups to grams (and ounces), using a sourced density figure, with a quick reference table. - [Peanut Butter Grams to Cups](https://top10k.com/tool/peanut-butter-grams-to-cups): Converts peanut butter from grams to cups (and ounces), using a sourced density figure, with a quick reference table. - [Peanuts Cups to Grams](https://top10k.com/tool/peanuts-cups-to-grams): Converts shelled peanuts from cups to grams (and ounces), using a sourced density figure, with a quick reference table. - [Peanuts Grams to Cups](https://top10k.com/tool/peanuts-grams-to-cups): Converts shelled peanuts from grams to cups (and ounces), using the same sourced density figure as the cups-to-grams converter, with a quick reference table. - [Pecans Cups to Grams](https://top10k.com/tool/pecans-cups-to-grams): Converts a volume measurement of chopped pecans from cups to grams and ounces, using a standard density figure, with a quick reference table. - [Pecans Grams to Cups Converter](https://top10k.com/tool/pecans-grams-to-cups): Convert a weight of chopped pecans in grams or ounces to the equivalent volume in US cups, with a fraction-friendly result and a quick reference table. - [Pickling Brine Ratio Calculator](https://top10k.com/tool/pickling-brine-ratio): Calculates water, salt, vinegar, and sugar amounts for refrigerator-pickle or fermentation brine, with salt-specific spoon estimates. - [Pistachios Cups to Grams](https://top10k.com/tool/pistachios-cups-to-grams): Converts shelled pistachios from cups to grams (and ounces), with a quick reference table. - [Pistachios Grams to Cups](https://top10k.com/tool/pistachios-grams-to-cups): Converts a weight of shelled pistachios in grams to the equivalent volume in US cups, using a standard density figure, with a quick reference table. - [Pizza Dough Calculator](https://top10k.com/tool/pizza-dough-calculator): Calculates ingredient weights for pizza dough (flour, water, salt, yeast, oil) from number of balls, ball weight, and hydration/salt/yeast/oil percentages using baker's percentages. - [Plato to Gravity Converter](https://top10k.com/tool/plato-to-gravity-converter): Converts between degrees Plato and specific gravity (SG) for homebrewing and professional brewing — bidirectional, shows both Plato→SG and SG→Plato using the standard formula. - [Poolish Calculator](https://top10k.com/tool/poolish-calculator): Calculates flour, water, and yeast quantities for a poolish pre-ferment based on total recipe flour and desired poolish percentage. - [Popcorn Kernels Cups to Grams](https://top10k.com/tool/popcorn-kernels-cups-to-grams): Convert unpopped popcorn kernels from cups to grams using a standard dry-kernel density, with a quick reference table and preset buttons for common stovetop batch sizes. - [Popcorn Kernels Grams to Cups Converter](https://top10k.com/tool/popcorn-kernels-grams-to-cups): Converts a gram measurement of unpopped popcorn kernels into US cups, using the standard density for raw kernels, with a live-updating input and common preset amounts. - [Portion Size Calculator](https://top10k.com/tool/portion-size-calculator): Calculates food portion sizes and recipe ingredient amounts per person for any group size or meal plan. - [Pour Over Coffee Ratio Calculator](https://top10k.com/tool/pour-over-ratio-calculator): Calculate the optimal coffee-to-water ratio for pour over brewing methods including Chemex, V60, and Kalita Wave. Adjust brew strength and serving size instantly. - [Powdered Sugar Cups to Grams Converter](https://top10k.com/tool/powdered-sugar-cups-to-grams): Converts powdered (confectioners) sugar measurements from US cups and fractions to grams, with a reference table for common baking amounts. - [Powdered Sugar Grams to Cups Converter](https://top10k.com/tool/powdered-sugar-grams-to-cups): Converts powdered (confectioners) sugar between grams and cups, accounting for the standard density of sifted vs unsifted powdered sugar. - [Priming Sugar Calculator](https://top10k.com/tool/priming-sugar-calculator): Calculates the amount of priming sugar (corn sugar, table sugar, dry malt extract, or honey) needed to carbonate a homebrewed beer to a target CO2 volume based on batch size and beer temperature. - [Pumpkin Seeds Cups to Grams](https://top10k.com/tool/pumpkin-seeds-cups-to-grams): Converts shelled pumpkin seeds (pepitas) from cups to grams (and ounces), using a standard density figure, with a quick reference table. - [Pumpkin Seeds Grams to Cups](https://top10k.com/tool/pumpkin-seeds-grams-to-cups): Converts a quantity of shelled pumpkin seeds (pepitas) from grams to cups (and ounces), using the same fixed density figure as the cups-to-grams converter, with a quick reference table. - [Quinoa Cups to Grams](https://top10k.com/tool/quinoa-cups-to-grams): Converts uncooked quinoa measured in US cups to grams, using quinoa's actual density, with a quick reference table for common amounts. - [Quinoa Grams to Cups Converter](https://top10k.com/tool/quinoa-grams-to-cups): Converts a gram measurement of raw, uncooked quinoa into US cups, using the standard density for dry quinoa, with a live-updating input and common preset amounts. - [Raisins Cups to Grams](https://top10k.com/tool/raisins-cups-to-grams): Converts seedless raisins from cups to grams (and ounces), using a standard USDA density figure, with a quick reference table. - [Raisins Grams to Cups](https://top10k.com/tool/raisins-grams-to-cups): Converts a weight of raisins in grams to the equivalent volume in US cups, using a standard density figure, with a quick reference table. - [Recipe Nutrition Calculator](https://top10k.com/tool/recipe-nutrition-calculator) - [Recipe Scaler & Converter](https://top10k.com/tool/recipe-scaler): Scale any recipe up or down by servings while preserving ingredient units and displaying convenient cooking fractions. - [Rice Cups to Grams Converter](https://top10k.com/tool/rice-cups-to-grams): Converts rice volume in cups to grams for multiple rice varieties: white, brown, jasmine, basmati, wild, and arborio rice. - [Rice Grams to Cups Converter](https://top10k.com/tool/rice-grams-to-cups): Converts rice weight in grams to cups (US, metric) for different rice varieties (white, brown, jasmine, basmati, arborio, wild) with cooked vs dry mode. - [Ricotta Cups to Grams Converter](https://top10k.com/tool/ricotta-cups-to-grams): Converts ricotta cheese measurements between cups, tablespoons, teaspoons, grams, and ounces, using a standard ~246 g per US cup density figure. - [Ricotta Grams to Cups Converter](https://top10k.com/tool/ricotta-grams-to-cups): Converts a gram amount of whole milk ricotta cheese to US cups, tablespoons, teaspoons, and ounces, using a standard 246 g per US cup density figure. - [Rye Flour Cups to Grams](https://top10k.com/tool/rye-flour-cups-to-grams): Converts rye flour measured in US cups to grams (and vice versa) using rye flour's own density, with a toggle for medium rye versus whole/pumpernickel rye and support for common fractional cup amou… - [Rye Flour Grams to Cups](https://top10k.com/tool/rye-flour-grams-to-cups): Converts a gram amount of rye flour into US cups, with a reverse toggle and a switch between medium rye and whole/pumpernickel rye, using rye flour's own density. - [Salt Cups to Grams Converter](https://top10k.com/tool/salt-cups-to-grams): Converts cups of salt to grams for cooking and baking, supporting multiple salt types (table, kosher, sea salt) with different densities. - [Salt Grams to Cups Converter](https://top10k.com/tool/salt-grams-to-cups): Converts a weight of salt in grams to volume in cups (and other units) for cooking and baking. - [Self Rising Flour Cups to Grams](https://top10k.com/tool/self-rising-flour-cups-to-grams): Converts self-rising flour measured in US cups to grams (and vice versa) using accurate self-rising flour density, with live-updating conversion as you type. - [Self Rising Flour Grams to Cups](https://top10k.com/tool/self-rising-flour-grams-to-cups): Converts self-rising flour measured in grams to US cups (and vice versa) using accurate self-rising flour density, with live-updating conversion as you type. - [Semolina Cups to Grams](https://top10k.com/tool/semolina-cups-to-grams): Converts a cup amount of semolina flour into grams (and vice versa), using semolina's coarse-grain density, for pasta dough and baking recipes. - [Semolina Grams to Cups](https://top10k.com/tool/semolina-grams-to-cups): Converts semolina flour weight in grams to US cups (and vice versa via a swap), using semolina's own coarse-grain density, with a quick-reference table for common amounts. - [Serving Size Calculator](https://top10k.com/tool/serving-size-calculator): Calculate how much food to buy and prepare for any event. Enter your guest count, meal type, and appetite level to get bulk shopping quantities for every food category. - [Sesame Seeds Cups to Grams](https://top10k.com/tool/sesame-seeds-cups-to-grams): Converts a quantity of whole sesame seeds from US cups (including common fractions) to grams, with a quick reference table. - [Sesame Seeds Grams to Cups](https://top10k.com/tool/sesame-seeds-grams-to-cups): Converts a quantity of whole sesame seeds from grams to US cups, showing the nearest common recipe fraction plus the precise decimal value. - [Shredded Cheddar Cups to Grams Converter](https://top10k.com/tool/shredded-cheddar-cups-to-grams): Converts shredded cheddar cheese measurements between cups, tablespoons, teaspoons, grams, and ounces, using a standard 113 g per US cup density figure. - [Shredded Cheddar Grams to Cups Converter](https://top10k.com/tool/shredded-cheddar-grams-to-cups): Converts a gram amount of shredded cheddar cheese to US cups, tablespoons, teaspoons, and ounces, using a standard 113 g per US cup density figure. - [Shredded Coconut Cups to Grams](https://top10k.com/tool/shredded-coconut-cups-to-grams): Converts shredded (desiccated, unsweetened) coconut between US cups and grams, with an ounce readout and a quick reference table. - [Shredded Coconut Grams to Cups](https://top10k.com/tool/shredded-coconut-grams-to-cups): Converts shredded (desiccated, unsweetened) coconut between grams and US cups, with an ounce readout and a quick reference table. - [Smoking Wood Guide](https://top10k.com/tool/smoking-wood-guide): Interactive reference guide for pairing smoking woods (hickory, apple, cherry, mesquite, etc.) with meat types, with flavor profiles and smoke intensity ratings. - [Sour Cream Cups to Grams Converter](https://top10k.com/tool/sour-cream-cups-to-grams): Converts US cups of sour cream to grams using a standard density of 240 g per cup, with a quick-reference table of common amounts. - [Sour Cream Grams to Cups Converter](https://top10k.com/tool/sour-cream-grams-to-cups): Convert sour cream weight in grams to US cup measurements using sour cream's standard density, with a quick reference table for common amounts. - [Sourdough Starter Calculator](https://top10k.com/tool/sourdough-starter-calculator): Calculates flour and water ratios to feed and maintain a sourdough starter at any hydration percentage. - [Sous Vide Time & Temperature Guide](https://top10k.com/tool/sous-vide-time-temp): Look up recommended sous vide temperatures and cooking times for various proteins and vegetables by doneness preference. - [Sparge Water Calculator](https://top10k.com/tool/sparge-water-calculator): Calculates the volume and temperature of sparge water needed for all-grain homebrewing, based on grain weight, mash thickness, pre-boil volume, and desired mash temperature. - [SRM Beer Color Calculator](https://top10k.com/tool/srm-color-calculator): Calculate the SRM (Standard Reference Method) color of your beer from grain bill ingredients and batch size. See the resulting color swatch and Lovibond values. - [Strike Water Temperature Calculator](https://top10k.com/tool/strike-water-temp-calculator): Calculates the required hot strike water temperature for homebrewing mash — accounts for grain mass, grain temperature, water volume, and target mash temperature using John Palmer's formula. - [Sugar Cups to Grams Converter](https://top10k.com/tool/sugar-cups-to-grams): Converts cups of sugar to grams for common sugar types (granulated, powdered, brown, raw/turbinado) with a handy reference table for fractional cup amounts. - [Sugar Grams to Cups Converter](https://top10k.com/tool/sugar-grams-to-cups): Converts sugar weight in grams to US cups for granulated, brown, and powdered sugar types. - [Sunflower Seeds Cups to Grams](https://top10k.com/tool/sunflower-seeds-cups-to-grams): Converts a quantity of shelled sunflower seeds from US cups (including common fractions) to grams, with a quick reference table. - [Sunflower Seeds Grams to Cups](https://top10k.com/tool/sunflower-seeds-grams-to-cups): Converts a weight of shelled sunflower seeds from grams to US cups, using the same 140 g/cup density as the cups-to-grams converter. - [Tangzhong Calculator](https://top10k.com/tool/tangzhong-calculator): Calculates the flour and water needed for a tangzhong (water roux) starter from a bread recipe's total flour weight, improving softness and shelf life of Asian-style milk bread. - [TDEE Activity Multiplier](https://top10k.com/tool/tdee-activity-multiplier): Multiply your Basal Metabolic Rate (BMR) by an activity level factor to estimate your Total Daily Energy Expenditure (TDEE) in calories. - [Tea Steeping Timer](https://top10k.com/tool/tea-steeping-timer): A countdown timer for steeping tea with preset times for common tea types (green, black, white, oolong, herbal) and temperature recommendations. - [Tea to Water Ratio Calculator](https://top10k.com/tool/tea-to-water-ratio): Calculate how much loose-leaf tea or how many tea bags you need for any volume of water. Supports green, black, white, oolong, herbal, and chai tea types with weak, medium, and strong brew strengths. - [Turkey Cooking Time Calculator](https://top10k.com/tool/turkey-cooking-time-calculator): Estimates roasting time for a whole turkey based on weight, stuffing status, and oven temperature. - [Vegetable Oil Cups to Grams Converter](https://top10k.com/tool/vegetable-oil-cups-to-grams): Converts vegetable oil volume in US cups, tablespoons, and teaspoons to weight in grams and ounces using vegetable oil density of 218 g/cup. - [Walnuts Cups to Grams](https://top10k.com/tool/walnuts-cups-to-grams): Convert a quantity of chopped walnuts from cups to grams for recipe scaling, using a standard baking-reference density. - [Walnuts Grams to Cups](https://top10k.com/tool/walnuts-grams-to-cups): Convert a weight of chopped walnuts in grams to the equivalent volume in US cups using 120 grams per cup, for recipe scaling. - [Water Cups to Grams Converter](https://top10k.com/tool/water-cups-to-grams): Converts water volume in cups (US, metric, or imperial) to grams and milliliters. Water has a density of 1 g/ml, so 1 US cup = 236.6 ml = 236.6 g. - [Water for Rice Calculator](https://top10k.com/tool/water-for-rice-calculator): Calculates the correct water-to-rice ratio for different rice varieties (white, brown, jasmine, basmati, sushi) and cooking methods so your rice turns out perfectly every time. - [Water Grams to Cups Converter](https://top10k.com/tool/water-grams-to-cups): Convert grams of water to US cups, tablespoons, teaspoons, and milliliters instantly using water's density of 1 g/mL. - [Wedding Alcohol Calculator](https://top10k.com/tool/wedding-alcohol-calculator): Estimates the total quantity of beer, wine, and spirits needed for a wedding reception based on guest count, event duration, and drink preference mix. - [Wedding Cake Servings Calculator](https://top10k.com/tool/wedding-cake-servings): Estimates the number of servings from a tiered wedding cake based on the number and size of round or square tiers, with options for dessert vs. finger-food portion sizes. - [Whole Wheat Flour Cups to Grams](https://top10k.com/tool/whole-wheat-flour-cups-to-grams): Converts whole wheat flour measured in US cups to grams (and vice versa) using standard whole wheat flour density, with support for common fractional cup amounts. - [Whole Wheat Flour Grams to Cups](https://top10k.com/tool/whole-wheat-flour-grams-to-cups): Converts whole wheat flour between grams and US cups using the correct whole wheat flour density, with live-updating inputs in both directions and a quick reference chart. - [Wine ABV Calculator](https://top10k.com/tool/wine-abv-calculator): Calculates wine alcohol by volume (ABV) from original and final gravity or Brix readings, with residual sugar estimate and wine style guide. - [Wine Bottle Calculator](https://top10k.com/tool/wine-bottle-calculator): Calculates how many wine bottles, glasses, or cases you need for a party or event given the number of guests and duration. - [Yeast Converter](https://top10k.com/tool/yeast-converter): Converts yeast quantities between active dry yeast, instant yeast, and fresh yeast — enter any amount and type to get equivalent amounts for all three forms. - [Yeast Pitch Rate Calculator](https://top10k.com/tool/yeast-pitch-rate-calculator): Calculates the correct amount of yeast to pitch for homebrewing beer based on batch volume, original gravity, and yeast type (ale vs lager). - [Yogurt Cups to Grams Converter](https://top10k.com/tool/yogurt-cups-to-grams): Converts US cups of plain yogurt to grams using a standard density of 245 g per cup, with a quick-reference table of common amounts. - [Yogurt Grams to Cups Converter](https://top10k.com/tool/yogurt-grams-to-cups): Convert yogurt weight in grams to US cup measurements using plain yogurt's standard density, with a quick reference table for common amounts. ## Science Tools (165) - [Acceleration Calculator](https://top10k.com/tool/acceleration-calculator): Calculates acceleration from change in velocity and time, or solves for any variable in the kinematic equation a = (v - u) / t. - [Allele Frequency Calculator](https://top10k.com/tool/allele-frequency-calculator): Calculates allele frequencies and Hardy-Weinberg equilibrium genotype frequencies for a population. - [Angular Acceleration Calculator](https://top10k.com/tool/angular-acceleration-calculator): Calculates angular acceleration from change in angular velocity over time. - [Angular Velocity Calculator](https://top10k.com/tool/angular-velocity-calculator) - [Apparent Temperature Calculator](https://top10k.com/tool/apparent-temperature-calculator): Calculates the apparent temperature (feels-like temperature) using the Australian Bureau of Meteorology formula, accounting for air temperature, humidity, and wind speed. - [Bacterial Growth Calculator](https://top10k.com/tool/bacterial-growth-calculator) - [Barlow Lens Magnification Calculator](https://top10k.com/tool/barlow-magnification): Calculates the effective magnification of a telescope eyepiece combined with a Barlow lens, including exit pupil and field of view. - [Beam Divergence Calculator](https://top10k.com/tool/beam-divergence-calculator): Calculates laser or Gaussian beam divergence half-angle from beam waist radius and wavelength, and beam radius at any propagation distance. - [Bernoulli Equation Calculator](https://top10k.com/tool/bernoulli-equation-calculator): Solves Bernoulli's equation for fluid dynamics to find unknown pressure, velocity, or elevation at a second point in a fluid flow system. - [Buoyancy Calculator](https://top10k.com/tool/buoyancy-calculator): Calculates the buoyant force on a submerged object using Archimedes' principle: F = ρ × g × V. - [Capacitance Calculator](https://top10k.com/tool/capacitance-calculator): Calculates capacitance of a parallel-plate capacitor using C = εA/d, with unit conversions for area and distance. - [Capacitor Energy Calculator](https://top10k.com/tool/capacitor-energy-calculator): Calculates the energy stored in a capacitor using E = ½CV², with inputs for capacitance and voltage. Supports multiple unit scales and solves for capacitance or voltage. - [Cell Density Calculator](https://top10k.com/tool/cell-density-calculator) - [Cell Doubling Time Calculator](https://top10k.com/tool/cell-doubling-time-calculator) - [Centripetal Acceleration Calculator](https://top10k.com/tool/centripetal-acceleration-calculator): Calculates centripetal acceleration using a = v²/r (linear speed) or a = ω²r (angular speed) for objects moving in circular motion. - [Centripetal Force Calculator](https://top10k.com/tool/centripetal-force-calculator) - [CFU per mL Calculator](https://top10k.com/tool/cfu-per-ml-calculator): Calculates colony-forming units per milliliter from plate count, dilution factor, and volume plated. - [Convective Available Energy](https://top10k.com/tool/convective-available-energy): Calculates Convective Available Potential Energy (CAPE) to assess atmospheric instability and thunderstorm potential from surface and parcel temperature data. - [Coriolis Force Calculator](https://top10k.com/tool/coriolis-force-calculator) - [Coulombs Law Calculator](https://top10k.com/tool/coulombs-law-calculator): Calculates the electrostatic force between two charges using Coulomb's Law (F = k*q1*q2/r^2). Supports solving for force, charge, or distance. - [Critical Angle Calculator](https://top10k.com/tool/critical-angle-calculator): Calculates the critical angle for total internal reflection using arcsin(n2/n1) when light travels from a denser to a less dense medium. - [De Broglie Frequency Calculator](https://top10k.com/tool/de-broglie-frequency-calculator): Calculates the de Broglie frequency of a particle from its kinetic energy using f = E/h, where h is Planck's constant. - [De Broglie Wavelength Calculator](https://top10k.com/tool/de-broglie-wavelength-calculator): Calculates the de Broglie wavelength of a particle given its mass and velocity using λ = h/mv. - [Decibel Calculator](https://top10k.com/tool/decibel-calculator): Converts between amplitude or sound-pressure ratios, power ratios, and decibels using the correct logarithmic formulas. - [Decibel Distance Calculator](https://top10k.com/tool/decibel-distance-calculator): Calculate how sound pressure level in decibels changes with distance from a source using the inverse-square law. - [Density Calculator](https://top10k.com/tool/density-calculator): Calculate density, mass, or volume using the formula ρ = m/V. Unit-aware with conversions across g, kg, lb, oz, mL, L, cm³, m³, in³, ft³, and gal. Includes a reference table of common material dens… - [Dilution Calculator](https://top10k.com/tool/dilution-calculator) - [Dilution Factor Calculator](https://top10k.com/tool/dilution-factor-calculator) - [Dilution Plating Calculator](https://top10k.com/tool/dilution-plating-calculator): Calculates colony-forming units per mL (CFU/mL) from serial dilution plating data, including dilution factor, plate count, and volume plated. - [Displacement Calculator](https://top10k.com/tool/displacement-calculator): Calculates displacement using kinematic equations given initial velocity, acceleration, and time. Also solves for any missing variable using s = v₀t + ½at². - [Doppler Effect Calculator](https://top10k.com/tool/doppler-effect-calculator): Calculate the observed frequency shift caused by the Doppler effect for sound or light waves when a source or observer is moving. - [Drip Fertigation Calculator](https://top10k.com/tool/drip-fertigation-calculator): Calculate fertilizer stock solution concentration, injection rate, and nutrient quantities for drip irrigation fertigation systems. - [Earthquake Energy Calculator](https://top10k.com/tool/earthquake-energy-calculator): Calculates the seismic energy released by an earthquake from its Richter or moment magnitude. - [Elastic Potential Energy Calculator](https://top10k.com/tool/elastic-potential-energy-calculator): Calculates the elastic potential energy stored in a spring using Hooke's Law (E = ½kx²). Supports multiple unit systems and displays step-by-step working. - [Electric Field Calculator](https://top10k.com/tool/electric-field-calculator): Calculates the electric field strength (E) at a point given a source charge and distance using Coulomb's Law: E = kQ/r². Supports solving for E, charge, or distance. - [Electric Power Calculator](https://top10k.com/tool/electric-power-calculator): Calculate electric power, current, voltage, or resistance using Ohm's law and power formulas (P=VI, V=IR, P=I²R, P=V²/R). - [Elongation Calculator](https://top10k.com/tool/elongation-calculator): Calculates percent elongation of a material specimen under tensile testing using original and final gauge lengths. - [Empirical Formula Calculator](https://top10k.com/tool/empirical-formula-calculator): Derives the empirical formula of a chemical compound from element percentages or masses. Finds the simplest whole-number ratio of atoms for any combination of elements. - [Entropy Change Calculator](https://top10k.com/tool/entropy-change-calculator): Calculates entropy change (DS) for thermodynamic processes using heat transfer and temperature, with reversible and irreversible process modes. - [Escape Velocity Calculator](https://top10k.com/tool/escape-velocity-calculator): Calculates the escape velocity of a planet, moon, or star from its mass and radius using v = √(2GM/r), with presets for solar system bodies and reverse solving for mass or radius. - [Exit Pupil Calculator](https://top10k.com/tool/exit-pupil-calculator): Calculates telescope exit pupil diameter, magnification, and true field of view from aperture, focal length, and eyepiece data. - [Fatigue Life Calculator](https://top10k.com/tool/fatigue-life-calculator): Estimates the fatigue life (cycles to failure) of a material using the Basquin power-law S-N relationship given stress amplitude and material constants. - [Fermi-Dirac Distribution Calculator](https://top10k.com/tool/fermi-dirac-distribution): Calculates and plots the Fermi-Dirac distribution f(E) = 1/(exp((E-Ef)/kT)+1) for a given Fermi energy and temperature, showing occupation probability vs energy. - [Final Velocity Calculator](https://top10k.com/tool/final-velocity-calculator): Calculate final velocity using kinematic equations. Enter initial velocity, acceleration, and either time or distance to get the final velocity instantly. - [First-Order ODE Solver](https://top10k.com/tool/first-order-ode-solver): Numerically solve a first-order ordinary differential equation dy/dx = f(x,y) using Euler's method with step-by-step table and Chart.js solution curve. - [Flow Rate Calculator](https://top10k.com/tool/flow-rate-calculator): Calculates volumetric flow rate (Q = A × v) from pipe cross-section area and fluid velocity, or solves for any missing variable. - [Fluid Pressure Calculator](https://top10k.com/tool/fluid-pressure-calculator): Calculate fluid pressure using the hydrostatic formula P = ρgh (density × gravity × depth), with support for metric and imperial unit systems. - [Flux to Magnitude Converter](https://top10k.com/tool/flux-to-magnitude): Convert between stellar flux (W/m²/μm or Jy) and astronomical magnitude using the standard logarithmic magnitude scale, with reference zero-points for common photometric bands (V, B, R, I, J). - [Force Calculator](https://top10k.com/tool/force-calculator): Calculate force, mass, or acceleration using Newton's second law F = m × a. Supports multiple units: Newtons, kilonewtons, pound-force; kilograms, grams, pounds; m/s² and g (Earth gravity). - [Free Fall Calculator](https://top10k.com/tool/free-fall-calculator): Calculate free-fall time, final velocity, and distance for an object dropped from a given height using g = 9.81 m/s². Supports both metric and imperial units. - [Frequency Calculator](https://top10k.com/tool/frequency-calculator): Convert between frequency (Hz), period (s), angular frequency (rad/s), and wavelength (m) for any wave, with selectable wave speed (light, sound in air, or custom). - [Friction Calculator](https://top10k.com/tool/friction-calculator): Calculate friction force using F = μN, where μ is the coefficient of friction and N is the normal force. Supports static and kinetic friction with common material presets. - [Geologic Time Converter](https://top10k.com/tool/geologic-time-converter): Convert elapsed time units and identify the eon, era, and period or epoch for an Earth age from 0 to 4,540 Ma using the ICS 2026/06 chart. - [Geostrophic Wind Calculator](https://top10k.com/tool/geostrophic-wind-calculator): Calculate geostrophic wind speed from the horizontal pressure gradient and Coriolis parameter at a given latitude using the formula Vg = (1/ρf)(dP/dn). - [Gravitational Force Calculator](https://top10k.com/tool/gravitational-force-calculator) - [Gravitational Potential Energy Calculator](https://top10k.com/tool/gravitational-potential-energy-calculator): Calculates gravitational potential energy using PE = m × g × h, with selectable gravitational acceleration presets (Earth, Moon, Mars, custom) and full metric/imperial unit support. - [Groundwater Flow Calculator](https://top10k.com/tool/groundwater-flow-calculator): Calculate groundwater flow rate (discharge) using Darcy's Law given hydraulic conductivity, hydraulic gradient, and cross-sectional area. - [Half Life Calculator](https://top10k.com/tool/half-life-calculator): Calculate remaining radioactive substance after a given number of half-lives, or find elapsed time given initial and final amounts. Supports any element or isotope. - [Hardness Conversion Calculator](https://top10k.com/tool/hardness-conversion-calculator): Converts between Rockwell (HRA, HRB, HRC), Brinell (HB), and Vickers (HV) hardness scales using a table for non-austenitic steels. - [Heat Engine Efficiency Calculator](https://top10k.com/tool/heat-engine-efficiency-calculator): Calculates Carnot and actual heat engine thermal efficiency from hot/cold reservoir temperatures and heat input/output values. - [Heat Index (NOAA)](https://top10k.com/tool/heat-index-noaa): Calculates the apparent temperature (heat index) using the NOAA Rothfusz regression formula given air temperature and relative humidity, with danger-level classification. - [Heat Transfer Calculator](https://top10k.com/tool/heat-transfer-calculator): Calculate heat transfer using Q = mcΔT. Enter mass, specific heat capacity, and initial/final temperatures to find heat gained or lost by a substance. - [Hooke's Law Calculator](https://top10k.com/tool/hookes-law-calculator): Calculates force, spring constant, or displacement using Hooke's Law: F = k * x. Also computes elastic potential energy stored in the spring. - [Horizontal Projectile Calculator](https://top10k.com/tool/horizontal-projectile-calculator): Calculates range, time of flight, and final velocity for a horizontally-launched projectile given initial height and velocity. - [Ideal Gas Law Calculator](https://top10k.com/tool/ideal-gas-law-calculator): Solves the ideal gas law (PV=nRT) for any one unknown variable given the other three — pressure, volume, moles, or temperature. - [Impulse Calculator](https://top10k.com/tool/impulse-calculator): Calculates impulse (J = F × t) given force and time, or from momentum change (J = m × Δv). Solve for any unknown with full unit support. - [Inclined Plane Calculator](https://top10k.com/tool/inclined-plane-calculator): Calculates forces, acceleration, friction, and normal force for an object on an inclined plane given angle, mass, and friction coefficient. - [Inductance Calculator](https://top10k.com/tool/inductance-calculator): Calculates the self-inductance of a solenoid coil from number of turns, length, and cross-sectional area using L = μ₀N²A/l, plus inductive reactance XL at a given frequency. - [Infiltration Rate Calculator](https://top10k.com/tool/infiltration-rate-calculator): Estimates water infiltration rate into soil using Horton's equation given initial rate, final rate, and decay constant. - [Initial Velocity Calculator](https://top10k.com/tool/initial-velocity-calculator): Calculates initial velocity using kinematic equations given final velocity, acceleration, and time or distance. - [Injection Pump Settings Calculator](https://top10k.com/tool/injection-pump-settings-calculator): Calculates fertigation injection pump settings for agriculture — computes injection rate, stock solution dilution ratio, and fertilizer concentration based on desired ppm, flow rate, and injector r… - [Kinematics Calculator](https://top10k.com/tool/kinematics-calculator): Solves for unknown kinematic variables (displacement, velocity, acceleration, time) using the five standard equations of motion. - [Kinetic Energy Calculator](https://top10k.com/tool/kinetic-energy-calculator): Calculates kinetic energy using KE = 0.5 * mass * velocity^2, with unit selection for mass (kg, g, lb, slug) and velocity (m/s, km/h, mph, ft/s). Also solves for mass or velocity given the other tw… - [Laser Spot Size Calculator](https://top10k.com/tool/laser-spot-size-calculator) - [Latent Heat Calculator](https://top10k.com/tool/latent-heat-calculator): Calculates the heat energy required for phase changes (melting, boiling, condensation) using mass and specific latent heat values for common substances. - [Length Contraction Calculator](https://top10k.com/tool/length-contraction-calculator): Calculates relativistic length contraction based on special relativity — computes contracted length given rest length and velocity as a fraction of c. - [Lens Equation Calculator](https://top10k.com/tool/lens-equation-calculator): Solve the thin lens equation (1/f = 1/do + 1/di) to find focal length, object distance, or image distance. - [Lifting Condensation Level](https://top10k.com/tool/lifting-condensation-level): Calculates the altitude at which an air parcel lifted dry-adiabatically reaches saturation (LCL), given surface temperature and dew point. - [Mean Absolute Error Calculator](https://top10k.com/tool/mae-calculator): Calculates Mean Absolute Error (MAE) between actual and predicted values — a common regression model evaluation metric in data science and machine learning. - [Magnetic Flux Calculator](https://top10k.com/tool/magnetic-flux-calculator): Calculates magnetic flux (Φ = B × A × cos θ) given magnetic field strength, area, and angle between the field and the surface normal. - [Magnetic Force Calculator](https://top10k.com/tool/magnetic-force-calculator): Calculates the magnetic force on a moving charged particle using F = qvB sin(theta). Enter charge, velocity, magnetic field strength, and angle to get the Lorentz force instantly. - [Magnification Calculator](https://top10k.com/tool/magnification-calculator): Calculates optical magnification from image size and object size, or from focal lengths of objective and eyepiece lenses. - [Mass Energy Equivalence Calculator](https://top10k.com/tool/mass-energy-equivalence-calculator): Calculates energy from mass using Einstein's E=mc² formula in joules and other units. - [Maximum Height Projectile Calculator](https://top10k.com/tool/maximum-height-projectile): Calculates the maximum height reached by a projectile given initial velocity and launch angle — h = (v² sin²θ) / (2g). - [Mechanical Energy Calculator](https://top10k.com/tool/mechanical-energy-calculator): Calculates total mechanical energy as the sum of kinetic energy (KE = 0.5mv²) and gravitational potential energy (PE = mgh). Enter mass, velocity, height, and gravitational acceleration to get KE, … - [MIC Interpretation Tool](https://top10k.com/tool/mic-interpretation) - [Mineral Hardness Reference](https://top10k.com/tool/mineral-hardness-reference): Searchable reference table of mineral hardness values on the Mohs scale (1-10), with common minerals at each level, scratch tests, and real-world hardness comparisons. - [Mirror Equation Calculator](https://top10k.com/tool/mirror-equation-calculator): Calculates focal length, object distance, or image distance for curved mirrors using the mirror equation 1/f = 1/do + 1/di - [Mixing Ratio Calculator](https://top10k.com/tool/mixing-ratio-calculator): Calculates the water vapor mixing ratio, specific humidity, absolute humidity, and vapor pressure of moist air from temperature, relative humidity, and atmospheric pressure. - [Molality Calculator](https://top10k.com/tool/molality-calculator): Calculates molality (moles of solute per kilogram of solvent) and solves for moles or solvent mass when given the other variables. - [Molecular Formula Calculator](https://top10k.com/tool/molecular-formula-calculator): Determines the molecular formula of a compound from its empirical formula and molar mass. - [Molecular Weight Calculator](https://top10k.com/tool/molecular-weight-calculator): Calculate the molar mass of any chemical formula. Parse complex molecules with parentheses, subscripts, and dot-separated hydrates. - [Moment of Inertia Calculator](https://top10k.com/tool/moment-of-inertia-calculator): Calculates moment of inertia for common shapes (solid cylinder, hollow cylinder, solid sphere, hollow sphere, thin rod) given mass and dimensions. - [Momentum Calculator](https://top10k.com/tool/momentum-calculator): Calculates momentum (p = mv) and impulse (J = F×Δt) for physics problems. Solve for mass, velocity, or momentum with metric and imperial unit support. - [Net Force Calculator](https://top10k.com/tool/net-force-calculator) - [Newton's Second Law Calculator](https://top10k.com/tool/newtons-second-law-calculator): Solves F = ma for force, mass, or acceleration. Enter any two known values to instantly compute the third. Supports metric (N, kg, m/s²) and imperial (lbf, lb, ft/s²) units. - [Normal Force Calculator](https://top10k.com/tool/normal-force-calculator): Calculates the normal force on an object on a flat or inclined surface given mass and angle, using N = mg·cos(θ). - [OD600 to Cell Density Calculator](https://top10k.com/tool/od600-to-cells-calculator): Converts OD600 absorbance readings to estimated cell count per mL for common microbial organisms. - [Ohm's Law Calculator](https://top10k.com/tool/ohms-law-calculator): Calculate voltage, current, resistance, and power using Ohm's Law (V=IR) and Watt's Law (P=VI). Enter any two known values to instantly compute the other two. - [Orbital Velocity Calculator](https://top10k.com/tool/orbital-velocity-calculator) - [Particle in a Box Energy Calculator](https://top10k.com/tool/particle-in-a-box-energy): Calculates quantum energy levels for a particle confined in a 1D, 2D, or 3D infinite potential well using the Schrodinger equation solution. - [Pendulum Period Calculator](https://top10k.com/tool/pendulum-period-calculator): Calculates the period of a simple pendulum given its length and gravitational acceleration using T = 2π√(L/g). - [Percent Composition Calculator](https://top10k.com/tool/percent-composition-calculator): Calculates the percent composition by mass of each element in a chemical compound. Enter any formula to see each element's mass percentage, atom count, and contribution to the total molar mass. - [Permeability Calculator](https://top10k.com/tool/permeability-calculator): Calculates hydraulic permeability of rock or soil using Darcy's law (Q = K·A·(dh/dL)). Solve for flow rate, hydraulic conductivity, cross-sectional area, or hydraulic gradient with unit conversions. - [Photon Energy Calculator](https://top10k.com/tool/photon-energy-calculator): Calculate the energy of a photon from its wavelength or frequency using E = hf = hc/λ. Returns results in joules, electron volts, and kilojoules per mole. - [Porosity Calculator](https://top10k.com/tool/porosity-calculator): Calculates rock or soil porosity (void ratio) from void volume and total volume, with multiple input methods including bulk and grain density. - [Potential Energy Calculator](https://top10k.com/tool/potential-energy-calculator): Calculates gravitational potential energy using PE = mass × g × height, with both metric (kg, m) and imperial (lb, ft) unit options. - [Potential Temperature Calculator](https://top10k.com/tool/potential-temperature-calculator): Computes the potential temperature of an air parcel using the Poisson formula. Enter actual temperature and pressure to find the equivalent temperature at standard reference pressure (1000 hPa). - [Power Calculator](https://top10k.com/tool/power-calculator): Calculate electrical or mechanical power using P=IV, P=V²/R, P=I²R, or P=W/t formulas. Enter known values to instantly solve for power or any missing variable. - [Projectile Motion Calculator](https://top10k.com/tool/projectile-motion-calculator) - [Projectile Motion with Air Drag Calculator](https://top10k.com/tool/projectile-with-drag): Simulates projectile trajectory accounting for air resistance using numerical integration, plots the path in real time. - [Radioactive Decay Calculator](https://top10k.com/tool/radioactive-decay-calculator): Calculates remaining quantity of a radioactive substance after a given time using N = N0 × e^(-λt), with half-life input. - [Radiometric Dating Calculator](https://top10k.com/tool/radiometric-dating-calculator): Calculate the age of a sample using radiometric decay equations for common isotope pairs: Carbon-14, Potassium-Argon, Uranium-Lead, and Rubidium-Strontium. - [Range of Projectile Calculator](https://top10k.com/tool/range-of-projectile-calculator): Calculates the horizontal range, maximum height, and time of flight of a projectile given initial velocity and launch angle, using standard kinematic equations (R = v²sin(2θ)/g). - [RC Time Constant Calculator](https://top10k.com/tool/rc-time-constant-calculator) - [Refractive Index Calculator](https://top10k.com/tool/refractive-index-calculator): Calculate the refractive index of a medium using n = c / v, or find the speed of light in a medium given its refractive index. Supports both directions of calculation. - [Resistance Parallel Calculator](https://top10k.com/tool/resistance-parallel-calculator): Calculate the total resistance of resistors connected in parallel using the reciprocal formula. Supports ohms, kilohms, and megaohms. - [Resistance Series Calculator](https://top10k.com/tool/resistance-series-calculator): Calculate the total resistance of resistors connected in series. Add up to 10 resistors with values in ohms, kilohms, or megaohms. - [Reynolds Number Calculator](https://top10k.com/tool/reynolds-number-calculator) - [Earthquake Magnitude Comparison](https://top10k.com/tool/richter-magnitude-calculator) - [Rock Density Calculator](https://top10k.com/tool/rock-density-calculator): Calculate rock bulk density, specific gravity, and unit weight from metric or US customary sample measurements. - [Rocket Mass Ratio Calculator](https://top10k.com/tool/rocket-mass-ratio): Calculates the Tsiolkovsky rocket equation mass ratio (initial to final mass) for a given delta-v and specific impulse (Isp). - [Runoff Coefficient Calculator](https://top10k.com/tool/runoff-coefficient-calculator): Estimates stormwater runoff coefficient (C) for rational method calculations based on land cover type and slope. - [Salinity Calculator](https://top10k.com/tool/salinity-calculator): Calculate water salinity in PSU/ppt from conductivity and temperature using the Practical Salinity Scale (PSS-78), and convert between salinity units (PSU, g/kg, mg/L). - [Saturation Vapor Pressure Calculator](https://top10k.com/tool/saturation-vapor-pressure): Calculates saturation vapor pressure from temperature using the Magnus and Buck equations, with output in hPa, kPa, mmHg, and inHg, plus a reference table. - [Seawater Density Calculator](https://top10k.com/tool/seawater-density-calculator): Calculates in-situ seawater density from temperature, Practical Salinity, and sea pressure using the legacy UNESCO EOS-80 polynomial. - [Second-Order ODE Solver](https://top10k.com/tool/second-order-ode-solver): Solves constant-coefficient second-order linear ODEs (ay''+by'+cy=0), classifying overdamped, critically damped, and underdamped cases. - [Sediment Size Classifier](https://top10k.com/tool/sediment-size-classifier): Classifies sediment particles by grain size using the Wentworth scale (gravel, sand, silt, clay). Enter a diameter in mm or micrometers to identify the sediment class. - [Serial Dilution Calculator (Microbiology)](https://top10k.com/tool/serial-dilution-microbio) - [Significant Wave Height Calculator](https://top10k.com/tool/significant-wave-height): Calculates significant wave height (Hs = 4√m₀) from wave spectrum variance, or estimates it from wind speed and fetch using the JONSWAP approximation. - [Simple Harmonic Motion Calculator](https://top10k.com/tool/simple-harmonic-motion-calculator): Calculates displacement, velocity, and acceleration for a simple harmonic oscillator given amplitude, angular frequency, and time. - [Slope Gradient Calculator](https://top10k.com/tool/slope-gradient-calculator): Calculates slope gradient, angle in degrees, percent grade, rise:run ratio, and 1-in-X notation from rise and run inputs. Used in road design, drainage, ramps, and surveying. - [Snell's Law Calculator](https://top10k.com/tool/snells-law-calculator): Calculate the angle of refraction or incidence using Snell's Law (n1·sin θ1 = n2·sin θ2). Enter refractive indices and one angle to compute the missing angle. Supports common optical media presets. - [Snow Water Equivalent Calculator](https://top10k.com/tool/snow-water-equivalent): Convert between snow depth and liquid water equivalent using snow density or the standard 10:1 ratio. Useful for hydrology, water-resource estimation, and snowpack analysis. - [Soil Classification Tool](https://top10k.com/tool/soil-classification-tool): Classifies soil type using the USDA texture triangle based on sand, silt, and clay percentages. Instantly identifies the soil textural class for agriculture, engineering, and environmental science. - [Sound Intensity Calculator](https://top10k.com/tool/sound-intensity-calculator): Calculate sound intensity level in decibels (dB) from acoustic power and area, or convert between intensity and dB SPL. - [Sound Pressure Level Calculator](https://top10k.com/tool/sound-pressure-level): Calculates sound pressure level (SPL) in decibels from pressure values, and converts between SPL and intensity. - [Sound Speed in Water Calculator](https://top10k.com/tool/sound-speed-in-water): Calculates acoustic velocity in seawater using Mackenzie (1981) and pure water using Lubbers & Graaff (1998) across metric and imperial units. - [Specific Gravity Calculator](https://top10k.com/tool/specific-gravity-calculator) - [Specific Heat Calculator](https://top10k.com/tool/specific-heat-calculator): Calculate heat energy transferred (Q), mass (m), specific heat capacity (c), or temperature change (ΔT) using the formula Q = mcΔT. - [Specific Stiffness Calculator](https://top10k.com/tool/specific-stiffness-calculator): Calculates specific stiffness (specific modulus) of materials by dividing Young's modulus by density, used in aerospace and lightweight structural design. - [Spring Constant Calculator](https://top10k.com/tool/spring-constant-calculator): Calculates the spring constant (k) using Hooke's Law: k = F / x, where F is force in Newtons and x is displacement in meters. - [Static Friction Calculator](https://top10k.com/tool/static-friction-calculator): Calculate maximum static friction force using the coefficient of static friction and normal force. Instantly determine whether an object will stay stationary or begin to slide. - [Steady-State Drug Concentration Calculator](https://top10k.com/tool/steady-state-concentration) - [Stefan-Boltzmann Calculator](https://top10k.com/tool/stefan-boltzmann-calculator): Calculates thermal radiation power emitted by a blackbody surface using the Stefan-Boltzmann law (P = εσT⁴A). Enter temperature, emissivity, and surface area to get radiated power in watts. - [Sterilization F Value Calculator](https://top10k.com/tool/sterilization-f-value): Calculate thermal-process F-value from sampled time-temperature data at a stated reference temperature and z-value, with an interval-by-interval audit table. - [Stoichiometry Calculator](https://top10k.com/tool/stoichiometry-calculator): Calculates mole ratios, limiting reagents, and theoretical yields from a balanced chemical equation. - [Strike and Dip Calculator](https://top10k.com/tool/strike-and-dip-calculator): Converts geological strike and dip measurements between formats and calculates apparent dip for any given traverse direction. - [Tension Force Calculator](https://top10k.com/tool/tension-force-calculator) - [Thermal Expansion Calculator](https://top10k.com/tool/thermal-expansion-calculator): Calculates linear or volumetric thermal expansion of materials given initial length/volume, temperature change, and expansion coefficient. - [Tide Range Calculator](https://top10k.com/tool/tide-range-calculator): Calculates the tidal range (difference between high tide and low tide heights) and classifies tides as microtidal, mesotidal, or macrotidal. - [Time Dilation Calculator](https://top10k.com/tool/time-dilation-calculator) - [Time Of Flight Calculator](https://top10k.com/tool/time-of-flight-calculator) - [UK Country Facts](https://top10k.com/tool/uk-country-facts): Displays key facts, statistics, and geographic information about the United Kingdom. - [UK Time Zones Overview](https://top10k.com/tool/uk-time-zones): Shows current time in UK regions, Crown Dependencies, and Gibraltar (GMT/BST and CET/CEST) with a live clock and full DST awareness. - [Uniform Acceleration Calculator](https://top10k.com/tool/uniform-acceleration-calculator): Solves all five kinematic equations for uniformly accelerated motion — enter any three of (u, v, a, s, t) and it calculates the remaining two with step-by-step working. - [Water Table Depth & Static Well Level Calculator](https://top10k.com/tool/water-table-depth-calculator): Calculate depth to standing water from a well measuring point, total well depth and water-column height, hydraulic head, or a linear two-well interpolation. - [Wave Height Calculator](https://top10k.com/tool/wave-height-calculator): Calculates ocean wave height, wavelength, wave speed, and wave energy from wind speed and fetch distance using empirical wave forecasting formulas (SMB method). - [Wave Period Calculator](https://top10k.com/tool/wave-period-calculator): Calculate wave period from frequency, or frequency from period, for physics and engineering applications. - [Wave Speed Calculator](https://top10k.com/tool/wave-speed-calculator): Calculates wave speed from frequency and wavelength using v = f × λ, or solves for frequency or wavelength given the other two values. - [Wavelength Calculator](https://top10k.com/tool/wavelength-calculator): Calculate wavelength, wave speed, or frequency using the wave equation v = f × λ. Supports all wave types including light, sound, radio, and water waves. - [Wavelength & Frequency Calculator](https://top10k.com/tool/wavelength-frequency-calculator): Convert between wavelength, frequency, and photon energy for electromagnetic radiation in any medium. Includes EM spectrum band classification with visible-light color identification. - [Wien's Law Calculator](https://top10k.com/tool/wiens-law-calculator): Calculate the peak wavelength of blackbody radiation for any temperature using Wien's displacement law (λ_max = b/T, b = 2.898×10⁻³ m·K), or find the temperature from a known peak wavelength. - [Work Calculator](https://top10k.com/tool/work-calculator): Calculates mechanical work (W = F × d × cos θ) given force, distance, and angle. Supports multiple unit systems. - [Z-Value Calculator (Microbiology)](https://top10k.com/tool/z-value-calculator): Calculates the Z-value in microbiology — the temperature change required for a 10-fold change in D-value — for sterilization and pasteurization validation. ## Gaming Tools (59) - [Aspect Ratio Game Calculator](https://top10k.com/tool/aspect-ratio-game-calculator) - [Bingo Card Generator](https://top10k.com/tool/bingo-card-generator): Generate printable 5x5 bingo cards with random numbers (standard 1-75 bingo) or a custom word/phrase list. Includes a free-space center square option. Print or download as many cards as you need. - [Blackjack Basic Strategy](https://top10k.com/tool/blackjack-basic-strategy): Interactive blackjack basic strategy chart that shows the statistically optimal play for any player hand vs dealer upcard. - [Board Game Score Tracker](https://top10k.com/tool/board-game-score-tracker): Track scores for up to 8 players across multiple rounds of any board game. See running totals and instantly spot the leader after every round. - [Character Name Generator](https://top10k.com/tool/character-name-generator): Generates random character names for RPGs, fantasy games, and fiction with options for race, gender, and style. - [Chess Elo Change Calculator](https://top10k.com/tool/chess-elo-change): Calculates the Elo rating change after a chess game based on both players' ratings and the game result. - [Chess Rating Calculator](https://top10k.com/tool/chess-rating-calculator): Calculates FIDE Elo rating change after a game or tournament using the official K-factor formula. Supports K=40, K=20, and K=10 based on player status. - [Chess Rating Performance Calculator](https://top10k.com/tool/chess-rating-performance): Calculates a player's tournament performance rating from their results against rated opponents. - [Coin Flipper](https://top10k.com/tool/coin-flipper): Flip a virtual coin once or up to 1000 times. Single-flip mode shows an animated coin landing on Heads or Tails. Multi-flip mode gives you aggregate stats: heads count, tails count, percentages, lo… - [Craps Odds Calculator](https://top10k.com/tool/craps-odds-calculator): Calculates true odds, house edge, and expected value for all craps bets including pass line, come, place, and proposition bets. - [Crit Chance Calculator](https://top10k.com/tool/crit-chance-calculator): Calculate zero, exact-K, at-least-K and expected critical hits across independent attacks, plus an average-hit damage multiplier. - [Crit Damage Calculator](https://top10k.com/tool/crit-damage-calculator): Calculate expected DPS and effective damage multiplier for RPG and action game characters. Enter base damage, crit chance, and crit multiplier to see average output per hit and per second. - [Crossword Grid Helper](https://top10k.com/tool/crossword-grid-helper): Interactive browser-based crossword grid builder. Set grid dimensions up to 21x21, toggle black and white squares, and auto-number cells following standard crossword numbering rules. - [D&D Ability Score Roller](https://top10k.com/tool/d-and-d-stat-roller): Roll ability scores for D&D 5e characters using four methods: 4d6 drop lowest, 3d6 straight, point buy, or standard array. Displays all six scores with ability modifiers. - [D20 Roller](https://top10k.com/tool/d20-roller): Rolls any standard tabletop RPG dice (d4, d6, d8, d10, d12, d20, d100) with optional quantity and modifier, shows individual results and total, keeps a roll history log. - [Damage Formula Helper](https://top10k.com/tool/damage-formula-helper): Calculates RPG and video game damage output using base damage, attack power, defense, crit multiplier, and resistance. Helps game developers and players balance combat numbers. - [Damage Per Second Calculator](https://top10k.com/tool/damage-per-second-calculator): Calculate DPS (damage per second) for any weapon or attack in games, factoring in base damage, attack speed, critical hit chance, and critical multiplier. - [Dice Probability Calculator](https://top10k.com/tool/dice-probability-calculator): Calculates probability of getting specific results when rolling multiple dice of various types. Supports d4, d6, d8, d10, d12, d20, and custom dice. - [Dice Roller](https://top10k.com/tool/dice-roller): Virtual D&D dice roller. Roll any standard polyhedral dice (d4, d6, d8, d10, d12, d20, d100), set the count, see individual results and totals. - [Dice Set Roller](https://top10k.com/tool/dice-set-roller): Rolls configurable sets of polyhedral dice (d4, d6, d8, d10, d12, d20, d100) with optional modifiers for tabletop RPG and board games. - [DPI Calculator](https://top10k.com/tool/dpi-calculator) - [DPS Calculator (Game)](https://top10k.com/tool/dps-calculator-game): Calculates damage per second (DPS) for a game character or weapon given base damage, attack speed, and optional critical hit chance and multiplier — shows total DPS, critical DPS contribution, and … - [Fantasy Name Generator](https://top10k.com/tool/fantasy-name-generator): Generates fantasy character names for RPGs with options for race (elf, dwarf, human, orc, halfling), gender, and style (heroic, dark, mystical). - [FOV Game Calculator](https://top10k.com/tool/fov-game-calculator) - [FOV to Focal Length Game Calculator](https://top10k.com/tool/fov-to-focal-game): Converts a game's field-of-view (FOV) angle to an equivalent camera focal length for cinematography reference. - [Frame Data Calculator](https://top10k.com/tool/frame-data-calculator): Converts game frame counts to milliseconds and back given frame rate, for fighting game and game development frame data analysis. - [Gacha Pull Calculator](https://top10k.com/tool/gacha-pull-calculator): Calculates probability of getting a desired item in gacha/loot-box games given pull rate, pity system, and number of pulls. - [Gaming FPS & Frame Time Calculator](https://top10k.com/tool/gaming-fps-calculator) - [Guild Name Generator](https://top10k.com/tool/guild-name-generator): Generates creative guild, clan, and faction names for MMORPGs and tabletop RPGs using word combinations and themes. - [Hitbox Overlap Helper](https://top10k.com/tool/hitbox-overlap-helper): Calculate AABB (axis-aligned bounding box) collision detection overlap between two 2D game objects. Shows overlap depth, minimum translation vector, and a canvas visualization. - [Game Jump Height Calculator](https://top10k.com/tool/jump-height-physics-game): Calculates jump height, hang time, and initial velocity for 2D game characters given gravity and desired apex height, helping game developers tune platformer physics. - [Keno Odds Calculator](https://top10k.com/tool/keno-odds-calculator): Calculates the probability and expected value of a keno ticket given spots picked, spots hit, and pool size — shows odds for each match level and typical house edge. - [Loot Drop Chance Calculator](https://top10k.com/tool/loot-drop-chance-calculator): Calculate the probability of getting at least one loot drop after N attempts given a per-attempt drop rate, using binomial probability. - [Loot Table Balancer](https://top10k.com/tool/loot-table-balancer): Enter item names and relative weights to calculate normalized drop probabilities, then simulate a chosen number of rolls to compare expected vs. actual drop rates. - [Magic 8 Ball](https://top10k.com/tool/magic-8-ball): Ask the Magic 8 Ball any yes/no question and receive one of the 20 classic answers. The animated ball shakes and reveals your fortune instantly. - [Mahjong Score Calculator](https://top10k.com/tool/mahjong-score-calculator): Tracks a simplified Hong Kong-style Mahjong half-discarder payment variant for 4 players, including self-draw, discard wins, an optional dealer bonus, and running totals. - [Minecraft Seed Info](https://top10k.com/tool/minecraft-seed-info) - [Ping to Distance Estimator](https://top10k.com/tool/ping-to-distance-estimator) - [Poker Hand Ranker](https://top10k.com/tool/poker-hand-ranker): Select or type 5 cards to identify your poker hand — Royal Flush through High Card — and compare two hands to find the winner. - [Poker Odds Calculator](https://top10k.com/tool/poker-odds-calculator): Calculates Texas Hold'em poker hand odds and probabilities based on hole cards and community cards. - [Poker Outs Calculator](https://top10k.com/tool/poker-outs-calculator): Calculates poker outs, probability of hitting on the turn or river, and pot odds to help players make informed betting decisions. - [Projectile Lead Calculator](https://top10k.com/tool/projectile-lead-calculator) - [Quaternion Helper](https://top10k.com/tool/quaternion-helper): Performs quaternion operations (multiply, normalize, conjugate, to/from Euler angles) for game development and 3D math. - [Rubik's Cube Timer](https://top10k.com/tool/rubiks-cube-timer): A browser-based speedcubing timer with spacebar start/stop, 15-second inspection countdown, session solve history, and automatic Ao5/Ao12 averages. - [Scrabble Word Score Calculator](https://top10k.com/tool/scrabble-word-score) - [Sensitivity Converter](https://top10k.com/tool/sensitivity-converter) - [Speedrun Timer](https://top10k.com/tool/speedrun-timer): A client-side stopwatch for timing speedrun attempts, with split controls and best-segment highlighting. - [Steam ID Converter](https://top10k.com/tool/steam-id-converter): Converts between Steam ID formats: SteamID64, SteamID (Steam2), SteamID3, and Steam profile URL. Instantly translate any Steam identifier to all other formats. - [Sudoku Difficulty Rater](https://top10k.com/tool/sudoku-difficulty-rater): Estimates Sudoku clue density baseline difficulty (Easy/Medium/Hard/Expert) based on the number of given clues entered by the user. - [Tarot Card Picker](https://top10k.com/tool/tarot-card-picker): Randomly draws one or more tarot cards from the standard 78-card Rider-Waite deck and displays their names and upright meanings. - [Tick Rate Calculator](https://top10k.com/tool/tick-rate-calculator): Calculate server tick rate, tick duration in milliseconds, required bandwidth per player, and maximum player capacity for game server infrastructure planning. - [Trivia Score Tracker](https://top10k.com/tool/trivia-score-tracker): Interactive scorekeeper for pub quiz and trivia nights. Add up to 8 teams, record per-round points, auto-rank teams, and display a running leaderboard. - [Vector Dot Product Calculator (Game Dev)](https://top10k.com/tool/vector-dot-gamedev): Calculates the dot product of 2D and 3D vectors, with angle between vectors — essential for game development math. - [Vector Lerp Calculator](https://top10k.com/tool/vector-lerp-calculator): Calculates linear interpolation (lerp) between two 2D or 3D vectors for smooth game animations and movement. - [Vector Magnitude Calculator (Game Dev)](https://top10k.com/tool/vector-magnitude-gamedev): Computes 2D/3D vector magnitude, normalized direction, dot product, and cross product — essential game dev math. - [Vector Normalize Gamedev](https://top10k.com/tool/vector-normalize-gamedev): Normalizes 2D/3D game vectors to unit length for use in game development physics and direction calculations. - [XP Curve Generator](https://top10k.com/tool/xp-curve-generator): Generate a level-to-XP-required table for game designers using polynomial, exponential, or custom power formulas. Visualize and export the curve as a CSV. - [XP to Level Calculator](https://top10k.com/tool/xp-to-level-calculator): Converts experience points (XP) to character level using common RPG progression formulas — linear, polynomial, and exponential — and shows how much XP is needed to reach the next level. - [Yahtzee Odds Calculator](https://top10k.com/tool/yahtzee-odds): Calculate exact first-roll Yahtzee category odds, strategy-reference odds through three rolls, and the chance of succeeding at least once across repeated turns. ## Space & Astronomy (57) - [Altitude Azimuth Calculator](https://top10k.com/tool/altitude-azimuth-calculator): Converts equatorial coordinates (right ascension, declination) to horizontal coordinates (altitude, azimuth) for a given observer location (latitude/longitude) and date/time. - [Angular Size Calculator](https://top10k.com/tool/angular-size-calculator) - [Astrophotography Exposure Calculator](https://top10k.com/tool/astrophoto-exposure-calc): Calculates optimal exposure time for astrophotography based on focal length, aperture, sensor pixel size, and sky conditions using the 500 rule and related formulas. - [Bearing Calculator](https://top10k.com/tool/bearing-calculator) - [Chandrasekhar Mass Calculator](https://top10k.com/tool/chandrasekhar-mass): Calculates the Chandrasekhar limit — the maximum stable mass of a white dwarf star — for a given mean molecular weight per electron (mu_e). Default mu_e = 2 gives ~1.47 solar masses. Shows mass in … - [Constellation Finder Helper](https://top10k.com/tool/constellation-finder-helper): Helps users identify which constellations are visible from their hemisphere and month, with brief info about each of the 88 IAU constellations. - [Dawes Limit Calculator](https://top10k.com/tool/dawes-limit-calculator): Calculates the Dawes limit (minimum resolvable angular separation) for a telescope given its aperture diameter, useful for amateur astronomers. - [Decimal to DMS Converter](https://top10k.com/tool/decimal-to-dms-converter) - [Distance To Horizon Calculator](https://top10k.com/tool/distance-to-horizon-calculator): Calculates the geometric distance to the visible horizon given observer height above sea level, with support for meters/feet and km/miles output. - [DMS to Decimal Degrees Converter](https://top10k.com/tool/dms-to-decimal-converter): Converts geographic coordinates between Degrees, Minutes, Seconds (DMS) format and decimal degrees (DD). Works for both latitude and longitude in either direction. - [Elevation From Coordinates](https://top10k.com/tool/elevation-from-coordinates): Look up terrain elevation at any latitude/longitude using the Open-Elevation free public API. Displays altitude in both meters and feet with a link to view the location on Google Maps. - [Escape Velocity Planet Calculator](https://top10k.com/tool/escape-velocity-planet-calculator): Calculates the escape velocity for any planet or moon given mass and radius, with presets for all Solar System bodies. - [Eyepiece Field of View Calculator](https://top10k.com/tool/eyepiece-fov-calc) - [Focal Ratio Calculator](https://top10k.com/tool/focal-ratio-calculator): Calculates focal ratio (f/number), field of view, and image scale for telescopes and camera lenses given aperture and focal length. - [GPS Week Converter](https://top10k.com/tool/gps-week-converter) - [Great Circle Distance Calculator](https://top10k.com/tool/great-circle-distance-calculator) - [Haversine Distance Calculator](https://top10k.com/tool/haversine-distance-calculator) - [ISS Speed Calculator](https://top10k.com/tool/iss-speed-calculator): Calculates the orbital speed, period, and passes per day of the International Space Station given its altitude above Earth. - [Jeans Mass Calculator](https://top10k.com/tool/jeans-mass-calculator): Calculates the Jeans mass — the minimum mass needed for a gas cloud to collapse under its own gravity and form a star. - [Julian Day Number Converter](https://top10k.com/tool/julian-day-converter) - [Kepler's Third Law Calculator](https://top10k.com/tool/kepler-third-law): Applies Kepler's Third Law (T² proportional to a³) to find orbital period from semi-major axis or vice versa; works for any central body by entering its mass, with preset values for the Sun and Earth. - [Latitude/Longitude to UTM Converter](https://top10k.com/tool/latlong-to-utm-converter): Converts geographic coordinates (latitude/longitude in decimal degrees) to Universal Transverse Mercator (UTM) coordinates using the WGS84 ellipsoid. - [Light Pollution Helper](https://top10k.com/tool/light-pollution-helper): Estimates the Bortle scale class for a dark-sky site based on limiting magnitude and naked-eye star visibility inputs. - [Light Travel Time Calculator](https://top10k.com/tool/light-travel-time-calculator): Calculate light travel time from distance—or distance from elapsed time—with one-way and round-trip signal delay. - [Main Sequence Lifetime Calculator](https://top10k.com/tool/main-sequence-lifetime): Estimates the main-sequence lifetime of a star given its mass relative to the Sun, using the formula t = 10^10 yr * (M/M_sun)^-2.5, and also shows luminosity as a multiple of solar luminosity. - [Meteor Shower Radiant Calculator](https://top10k.com/tool/meteor-shower-radiant-calculator): Calculates the altitude of a meteor shower radiant point above the horizon given observer latitude, radiant declination, and hour angle, helping determine optimal viewing conditions. - [MGRS Converter](https://top10k.com/tool/mgrs-converter): Converts Military Grid Reference System (MGRS) coordinates to latitude/longitude (decimal and DMS) and vice versa using the mgrs.js CDN library, with precision selector and copy buttons. - [Moonrise Moonset Calculator](https://top10k.com/tool/moonrise-moonset-calculator) - [Orbital Eccentricity Calculator](https://top10k.com/tool/orbital-eccentricity-calculator): Calculates the eccentricity of a bound circular or elliptical orbit from its apoapsis and periapsis distances. - [Orbital Period Calculator](https://top10k.com/tool/orbital-period-calculator): Calculates the orbital period of a satellite or planet using Kepler's third law (T = 2π√(a³/GM)). - [Planet Distance Now](https://top10k.com/tool/planet-distance-now): Shows the current approximate distance from Earth to each planet in the solar system using simplified orbital mechanics. - [Planet Position Calculator](https://top10k.com/tool/planet-position-calculator) - [Planet Weight Calculator](https://top10k.com/tool/planet-weight-calculator): Calculate your weight on every planet in the solar system (plus the Moon and Pluto) based on Earth weight and surface gravity. - [Planet Weight Converter](https://top10k.com/tool/planet-weight-converter): See how much you'd weigh on every planet, the Moon, the Sun, and other celestial bodies in the solar system. - [Redshift Calculator](https://top10k.com/tool/redshift-calculator): Calculates cosmological redshift, recession velocity, and lookback time for distant galaxies based on observed vs emitted wavelengths or redshift parameter z. - [Roche Limit Calculator](https://top10k.com/tool/roche-limit-calculator) - [Satellite Pass Helper](https://top10k.com/tool/satellite-pass-helper): Educational reference explaining how to find and predict satellite passes (ISS, Starlink, etc.) overhead, with a guide on using Heavens-Above or Stellarium and key concepts like elevation angle, az… - [Semimajor Axis Calculator](https://top10k.com/tool/semimajor-axis-calculator): Calculates the semimajor axis of an elliptical orbit from orbital period using Kepler's Third Law (a = ∛(GM·T²/4π²)), with presets for Solar System planets and support for custom central bodies. - [Sidereal Time Calculator](https://top10k.com/tool/sidereal-time-calculator) - [Solar Eclipse Calculator](https://top10k.com/tool/solar-eclipse-calculator): View NASA solar eclipse dates through 2035 with greatest-eclipse UTC times, filters by year, type and broad visibility region, central duration, and an event countdown. - [Star Distance via Parallax](https://top10k.com/tool/star-distance-parallax): Calculates the distance to a star in parsecs and light-years from its annual parallax angle in arcseconds using the fundamental formula d = 1/p. - [Star Magnitude Calculator](https://top10k.com/tool/star-magnitude-calculator): Calculates the apparent or absolute magnitude of a star given flux ratio or distance, using the Pogson magnitude scale formula. - [Stellar Luminosity Calculator](https://top10k.com/tool/stellar-luminosity-calculator): Calculate a star's luminosity from its radius and surface temperature using the Stefan-Boltzmann law, with comparison to the Sun. - [Sun Position Calculator](https://top10k.com/tool/sun-position-calculator) - [Synodic Period Calculator](https://top10k.com/tool/synodic-month-calc) - [Synodic Period Calculator](https://top10k.com/tool/synodic-period-calculator): Calculates the synodic period of a planet — the time between successive same-phase alignments with Earth — given its sidereal orbital period. - [Telescope FOV Calculator](https://top10k.com/tool/telescope-fov-calculator) - [Telescope Limiting Magnitude](https://top10k.com/tool/telescope-limiting-magnitude): Calculates the faintest star magnitude visible through a telescope given aperture diameter and observer conditions. - [Telescope Magnification Calculator](https://top10k.com/tool/telescope-magnification-calculator): Calculate telescope magnification, exit pupil, true field of view, and limiting magnitude from focal length, aperture, and eyepiece specifications. - [Tidal Force Calculator](https://top10k.com/tool/tidal-force-calculator) - [Tide Time Estimator](https://top10k.com/tool/tide-time-estimator): Estimates high and low tide times for any date based on lunar phase and a configurable tidal period, providing approximate coastal planning guidance. - [Timezone From Coordinates](https://top10k.com/tool/timezone-from-coordinates): Calculates theoretical meridian time zone and solar UTC offset from geographic coordinates via longitude / 15, clarifying solar vs civil IANA boundaries. - [UTM to Lat/Long Converter](https://top10k.com/tool/utm-to-latlong-converter): Converts Universal Transverse Mercator (UTM) coordinates (zone, easting, northing) to geographic latitude and longitude using the WGS84 ellipsoid. - [Vincenty Direct Calculator](https://top10k.com/tool/vincenty-direct-calculator) - [Vincenty Inverse Calculator](https://top10k.com/tool/vincenty-inverse-calculator) - [Vis-Viva Calculator](https://top10k.com/tool/vis-viva-calculator): Calculates orbital speed at any point in an elliptical orbit using the vis-viva equation v = sqrt(GM*(2/r - 1/a)), with presets for Earth, Mars, Jupiter, and other solar-system bodies. - [What3words Style Converter](https://top10k.com/tool/what3words-style-converter): Converts decimal coordinates into a reversible five-word grid code at roughly 3-meter resolution (an independent browser demo, not the what3words service). ## Culture & Trivia (15) - [Canada Country Facts](https://top10k.com/tool/canada-country-facts): Quick-reference fact sheet for Canada — geography, population, capital, currency, languages, government, and notable statistics. - [Chinese Zodiac by Year](https://top10k.com/tool/chinese-zodiac-by-year) - [Country Flag Quiz](https://top10k.com/tool/country-flag-quiz): Test your geography knowledge. Identify country flags from around the world in a timed multiple-choice quiz. Track your high score locally. - [France Country Facts](https://top10k.com/tool/france-country-facts): Quick-reference fact sheet for France — geography, population, capital, currency, language, government, economy, and key statistics. - [France Time Zones Overview](https://top10k.com/tool/france-time-zones): Reference page listing all French time zones — metropolitan France and overseas territories — with live current times and UTC offsets. - [Germany Country Facts](https://top10k.com/tool/germany-country-facts): Quick-reference fact sheet for Germany — geography, population, capital, currency, language, government, economy, and key statistics. - [Gregorian to Julian Calendar Converter](https://top10k.com/tool/gregorian-to-julian-calendar): Convert dates between the Gregorian and Julian calendar systems, showing the day difference for any historical or modern date. - [India Country Facts](https://top10k.com/tool/india-country-facts): Quick-reference fact sheet for India — geography, population, capital, currency, languages, government, economy, and key statistics. - [Islamic Hijri Date Converter](https://top10k.com/tool/islamic-hijri-converter): Converts dates between the Gregorian (Civil) calendar and the Islamic Hijri (AH) calendar in both directions, using the tabular Kuwaiti algorithm. - [Japan Country Facts](https://top10k.com/tool/japan-country-facts): Quick-reference fact sheet for Japan — geography, population, capital, currency, language, government, time zone, calling code, and notable cultural facts. - [Life Path Number Calculator](https://top10k.com/tool/life-path-number) - [May Birthstone](https://top10k.com/tool/may-birthstone): Quick-reference guide for May's birthstone (emerald), covering its history, symbolism, Mohs hardness, color grading, origin countries, and care tips. - [Numerology Name Number Calculator](https://top10k.com/tool/numerology-name-number) - [Islamic Prayer Times Helper](https://top10k.com/tool/prayer-times-helper) - [Zodiac Sign by Birthdate](https://top10k.com/tool/zodiac-by-birthdate) ## Symbols & Unicode (177) - [Aesthetic Text Generator](https://top10k.com/tool/aesthetic-text-generator): Converts plain text into various aesthetic Unicode styles including vaporwave full-width, bubble letters, bold serif, italic serif, cursive, strikethrough, and more. One-click copy per style. - [Alpha Symbol](https://top10k.com/tool/alpha-symbol): Copy the Greek letter alpha (Α α), with Unicode, HTML entity, LaTeX, and Alt code formats plus common uses in math, physics, and statistics. - [Ampersand Symbol](https://top10k.com/tool/ampersand-symbol): Copy the ampersand symbol (&) and related forms (fullwidth, small), plus look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and Linux. - [Angle Symbol](https://top10k.com/tool/angle-symbol): Copy the angle symbol (∠) and look up its Unicode value, HTML entity, and LaTeX code, plus how it is used to name angles in geometry. - [Angstrom Symbol](https://top10k.com/tool/angstrom-symbol): Copy the angstrom symbol (Å) used for atomic-scale lengths, with Unicode, HTML entity, LaTeX, and Alt code formats plus common length conversions. - [Animal Emoji List](https://top10k.com/tool/animal-emoji-list): Browse and copy animal emojis: dogs, cats, lions, elephants, fish, birds, and bugs, each with its name and Unicode codepoint. - [Approximately Equal Symbol](https://top10k.com/tool/approximately-equal-symbol): Copy the approximately equal symbol (≈) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Arrow Symbols](https://top10k.com/tool/arrow-symbols): Browse and copy all Unicode arrow symbols — directional, double, curved, mathematical, and decorative arrows. - [Asterisk Symbol](https://top10k.com/tool/asterisk-symbol): Copy the asterisk symbol (*) and its fullwidth form, plus look up its Unicode codepoint, HTML entity, Alt code, and keyboard shortcut. Covers common uses in footnotes, wildcards, multiplication, an… - [At Symbol](https://top10k.com/tool/at-symbol): Copy the at symbol (@) and related forms (fullwidth, HTML entity), plus look up its Unicode value, HTML/URL encoding, Alt code, and keyboard shortcut for Windows, Mac, and international keyboard la… - [Backslash Symbol](https://top10k.com/tool/backslash-symbol): Copy the backslash character (\) and look up its Unicode value, HTML entity, escape sequences, Alt code, and keyboard shortcut, plus how it is used in Windows paths, regex, and string escaping. - [Baht Symbol](https://top10k.com/tool/baht-symbol): Copy the Thai Baht symbol (฿) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, Linux, and the Thai keyboard layout. - [Beta Symbol](https://top10k.com/tool/beta-symbol): Copy the Greek letter beta (Β β) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in math, physics, and finance. - [Bitcoin Symbol](https://top10k.com/tool/bitcoin-symbol): Copy the Bitcoin symbol (₿) and look up its Unicode value, HTML entity, and keyboard input method for Windows, Mac, and Linux. - [Bold Text Generator](https://top10k.com/tool/bold-text-generator) - [Box Drawing Symbols](https://top10k.com/tool/box-drawing-symbols): Reference and copy tool for Unicode box-drawing characters (U+2500–U+257F) used to draw tables and diagrams in terminals. - [Bracket Symbols](https://top10k.com/tool/bracket-symbols): Browse and copy all types of bracket symbols — round, square, curly, angle, and special Unicode brackets — with one-click copy. - [Braille Symbols](https://top10k.com/tool/braille-symbols): Searchable reference of Grade 1 Braille cell patterns for letters, digits, and punctuation, with Unicode Braille characters and one-click copy. - [Bullet Point Symbol](https://top10k.com/tool/bullet-point-symbol): Copy the bullet point symbol (•) and its common variants (white bullet, small square, triangular bullet, black circle), with Unicode code point, HTML entity, and Windows/Mac keyboard shortcuts for … - [Card Suit Symbols](https://top10k.com/tool/card-suit-symbols): Reference page for all four playing card suit symbols (spade, heart, diamond, club) with Unicode code points, HTML entities, CSS content values, and one-click copy. - [Caret Symbol](https://top10k.com/tool/caret-symbol): Copy the caret symbol (^) and its fullwidth form, plus look up its Unicode value, HTML/URL encoding, Alt code, and keyboard shortcut, along with what ^ means in math, spreadsheets, programming, and… - [Cent Symbol](https://top10k.com/tool/cent-symbol): Copy the cent symbol (¢) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Check Mark Symbol](https://top10k.com/tool/check-mark-symbol): Copy the check mark symbol (checkmark, heavy check mark, and related tick symbols) with Unicode codepoints, HTML entities, and keyboard input methods for Windows, Mac, and Linux. - [Chess Symbols](https://top10k.com/tool/chess-symbols): Browse all Unicode chess piece symbols — white and black king, queen, rook, bishop, knight, and pawn — with one-click copy to clipboard. - [Circle Text Generator](https://top10k.com/tool/circle-text-generator) - [Clothing Emoji List](https://top10k.com/tool/clothing-emoji-list): Browse and copy clothing and apparel emojis: shirts, jeans, dresses, shoes, hats, and accessories, each with its name and Unicode codepoint. - [Copyright Symbol](https://top10k.com/tool/copyright-symbol): Copy the copyright symbol (©) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Cross Mark Symbol](https://top10k.com/tool/cross-mark-symbol): Copy the cross mark / X mark symbol (ballot X, multiplication X, and cross mark emoji variants) with Unicode codepoints, HTML entities, CSS content values, and URL-encoded forms, plus keyboard inpu… - [Cube Root Symbol](https://top10k.com/tool/cube-root-symbol): A copy-paste reference page for the cube root symbol (∛), with a one-click copy button, Unicode code point, HTML entity, LaTeX code, and links to related radical symbols. - [Cubed Symbol](https://top10k.com/tool/cubed-symbol): A copy-paste reference page for the cubed symbol (³), with a one-click copy button, Unicode code point, HTML entity, Alt code, and keyboard shortcuts for Windows, Mac, and Linux. - [Curly Quote Symbol](https://top10k.com/tool/curly-quote-symbol): Copy curly quotation marks (smart quotes) — opening and closing, single and double — with their Unicode code points and HTML entities. - [Currency Symbols Reference](https://top10k.com/tool/currency-symbols): Browse, search, and copy currency symbols from around the world with their ISO codes and country names. - [Dagger Symbol](https://top10k.com/tool/dagger-symbol): Copy the dagger symbol (†) instantly. See its Unicode code point, HTML/CSS entity codes, and keyboard shortcuts on Windows, Mac, and Linux. - [Degree Celsius Symbol](https://top10k.com/tool/degree-celsius-symbol): Copy the degree Celsius symbol (°C) and look up its Unicode code points, HTML entities, CSS escapes, and keyboard shortcuts for Windows, Mac, and Linux. - [Degree Fahrenheit Symbol](https://top10k.com/tool/degree-fahrenheit-symbol): Copy the degree Fahrenheit symbol (°F) and look up its Unicode code points, HTML entities, CSS escapes, and keyboard shortcuts for Windows, Mac, and Linux. - [Degree Symbol](https://top10k.com/tool/degree-symbol): Copy the degree symbol (°) and look up its keyboard shortcuts, Alt code, Unicode value, and HTML entity for Windows, Mac, and Linux. - [Delta Symbol](https://top10k.com/tool/delta-symbol): Copy the Greek letter delta (Δ δ) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in math, physics, and finance. - [Diameter Symbol](https://top10k.com/tool/diameter-symbol): Copy the diameter symbol (⌀) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Dingbat Symbols](https://top10k.com/tool/dingbat-symbols): Browse, search, and copy Unicode Dingbats block symbols (U+2700–U+27BF) including scissors, arrows, stars, crosses, hands, and ornamental characters. - [Division Symbol](https://top10k.com/tool/division-symbol): Copy the division sign (÷) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Dollar Symbol](https://top10k.com/tool/dollar-symbol): Copy the dollar symbol ($) and look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and Linux. - [Dong Symbol](https://top10k.com/tool/dong-symbol): Copy the Vietnamese dong symbol (₫) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Double Arrow Symbol](https://top10k.com/tool/double-arrow-symbol): Copy double-arrow symbols (⇔ ↔ ⇄ ⇆ ⇌ ⇋ ⇕ ⟺) with Unicode codepoints, HTML entities, CSS content values, URL-encoded forms, and real keyboard/LaTeX input methods. - [Double Dagger Symbol](https://top10k.com/tool/double-dagger-symbol): Copy the double dagger sign (‡) instantly. See its Unicode code point, HTML/CSS entity codes, and keyboard shortcuts on Windows, Mac, and Linux. - [Down Arrow Symbol](https://top10k.com/tool/down-arrow-symbol): Copy the downward arrow symbol (↓ and variants like ⇓ ▼ ⬇) with Unicode codepoints, HTML entities, CSS content values, URL-encoded forms, and keyboard shortcuts for Windows, Mac, and Linux. - [Drink Emoji List](https://top10k.com/tool/drink-emoji-list): Browse and copy drink emojis: coffee, tea, beer, wine, cocktails, soft drinks, and more, each with its name and Unicode codepoint. - [Element Of Symbol](https://top10k.com/tool/element-of-symbol): Copy the element of symbol (∈) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Ellipsis Symbol](https://top10k.com/tool/ellipsis-symbol): Copy the ellipsis character (…) and look up its Unicode code point, HTML entity, keyboard shortcuts, and when to use it instead of three periods. - [Em Dash](https://top10k.com/tool/em-dash): Copy the em dash (—) and look up its Unicode code point, HTML entity, keyboard shortcuts, and when to use it instead of an en dash or hyphen. - [Emoji Counter](https://top10k.com/tool/emoji-counter): Paste text and count every emoji it contains, with a per-emoji breakdown of how many times each one appears. - [Emoji Keyboard](https://top10k.com/tool/emoji-keyboard): A categorized on-screen emoji keyboard. Browse emoji by category, type a message by tapping emoji, and copy any single emoji or the full message to your clipboard. - [Emoji Remover](https://top10k.com/tool/emoji-remover): Paste text with emoji and strip them all out, leaving clean plain text. Option to replace each emoji with a space instead of deleting it, plus a live before/after count. - [Emoji Search & Picker](https://top10k.com/tool/emoji-search-picker): Search and copy emojis by name, keyword, or category. View Unicode codepoint, HTML entity, and CSS escape for any emoji. - [Emoji to Unicode Converter](https://top10k.com/tool/emoji-to-unicode-converter): Paste any emoji or emoji sequence and get its Unicode codepoint(s), official Unicode name, HTML entity, and UTF-8/UTF-16 byte breakdown. - [Emoticon Text Symbols](https://top10k.com/tool/emoticon-text-symbols): A searchable reference table of classic ASCII and text emoticons such as :-), ^_^, and (>_<) with one-click copy. - [Empty Set Symbol](https://top10k.com/tool/empty-set-symbol): Copy the empty set symbol (∅) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [En Dash](https://top10k.com/tool/en-dash): Copy the en dash (–) and look up its Unicode code point, HTML entity, keyboard shortcuts, and when to use it instead of a hyphen or em dash. - [Epsilon Symbol](https://top10k.com/tool/epsilon-symbol): Copy the Greek letter epsilon (Ε ε) and look up its Unicode codepoint, HTML entity, LaTeX command, and the separate lunate epsilon variant used in math and physics. - [Euro Symbol](https://top10k.com/tool/euro-symbol): Copy the euro symbol (€) and look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and Linux. - [Flower Symbol](https://top10k.com/tool/flower-symbol): Copy the flower symbol (❀) and related Unicode flower glyphs (✿, ⚘, ❁), plus Unicode value, HTML entity, CSS content value, and real ways to type it on Windows, Mac, and Linux. - [Food Emoji List](https://top10k.com/tool/food-emoji-list): Browse and copy food and drink emojis: fruit, vegetables, bakery, prepared dishes, Asian cuisine, sweets, and drinks, each with its name and Unicode codepoint. - [For All Symbol](https://top10k.com/tool/for-all-symbol): Copy the for all symbol (∀), the universal quantifier, and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Fraction Symbols](https://top10k.com/tool/fraction-symbols): Reference page and copy tool for Unicode fraction characters (½ ⅓ ¼ ⅔ ¾ etc.) with click-to-copy and search. - [Franc Symbol](https://top10k.com/tool/franc-symbol): Copy the franc currency symbol (₣) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Gamma Symbol](https://top10k.com/tool/gamma-symbol): Copy the Greek letter gamma (Γ γ), with Unicode codepoints, HTML entities, LaTeX commands, and keyboard shortcuts for math, physics, and finance. - [Geometric Shape Symbols](https://top10k.com/tool/geometric-shape-symbols): A searchable reference table of Unicode geometric shape symbols with click-to-copy and HTML entity codes. - [Greater Than Or Equal Symbol](https://top10k.com/tool/greater-than-or-equal-symbol): Copy the greater than or equal to symbol (≥) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Greek Letter Symbols](https://top10k.com/tool/greek-letter-symbols): Browse all 24 Greek alphabet letters (uppercase and lowercase) with names, Unicode code points, and one-click copy — for math, science, and engineering use. - [Hand Emoji List](https://top10k.com/tool/hand-emoji-list): Browse and copy hand emojis: waves, thumbs up, fist bumps, peace signs, pointing hands, and more, each with its name and Unicode codepoint. - [Hashtag Symbol](https://top10k.com/tool/hashtag-symbol): Copy the hashtag symbol (#) and related forms (fullwidth, HTML entity), plus look up its Unicode value, HTML/URL encoding, Alt code, and keyboard shortcut for Windows, Mac, and UK keyboard layouts. - [Heart Emoji List](https://top10k.com/tool/heart-emoji-list): A searchable list of every heart emoji variant shown as real text, colors, broken heart, sparkling heart, heart on fire, and more, each with its name and Unicode codepoint, click to copy. - [Heart Symbols](https://top10k.com/tool/heart-symbols): Browse and copy Unicode heart symbols with one-click copy. Includes classic hearts, outlined hearts, decorative hearts, and suit symbols. - [Infinity Symbol](https://top10k.com/tool/infinity-symbol): Copy the infinity symbol (∞) plus related variants — the infinity emoji, incomplete infinity, and tie over infinity — with Unicode code points, HTML entities, and LaTeX for each. - [Integral Symbol](https://top10k.com/tool/integral-symbol): A copy-paste reference page for the integral symbol (∫) and related variants (double, triple, contour integral), with a one-click copy button for each showing Unicode code point, HTML entity, and L… - [Interrobang Symbol](https://top10k.com/tool/interrobang-symbol): Copy the interrobang symbol (‽) instantly. See its Unicode code point, HTML entity, CSS and JavaScript escapes, and keyboard shortcuts on Windows, Mac, and Linux. - [Intersection Symbol](https://top10k.com/tool/intersection-symbol): A reference and copy-paste tool for the mathematical intersection symbol (∩) showing the character, unicode codepoint, LaTeX code, HTML entity, and usage examples in set theory. - [Inverted Exclamation Mark](https://top10k.com/tool/inverted-exclamation-mark): Copy the inverted exclamation mark (¡) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Inverted Question Mark](https://top10k.com/tool/inverted-question-mark): Copy the inverted question mark (¿) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Italic Text Generator](https://top10k.com/tool/italic-text-generator) - [Lambda Symbol](https://top10k.com/tool/lambda-symbol): Copy the Greek letter lambda (Λ λ) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in math, physics, and programming. - [Left Arrow Symbol](https://top10k.com/tool/left-arrow-symbol): Copy the leftward arrow symbol (← and variants like ⇐ ↩ ⬅ ◀) with Unicode codepoints, HTML entities, CSS content values, URL-encoded forms, and keyboard shortcuts for Windows, Mac, and Linux. - [Less Than Or Equal Symbol](https://top10k.com/tool/less-than-or-equal-symbol): Copy the less than or equal to symbol (≤) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Lightning Symbol](https://top10k.com/tool/lightning-symbol): Copy the lightning bolt symbol (⚡) and two related glyphs, plus Unicode code point, HTML entity, CSS content value, and real ways to type each one on Windows, Mac, and Linux. - [Lira Symbol](https://top10k.com/tool/lira-symbol): Copy the Turkish Lira symbol (₺) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Math Symbols](https://top10k.com/tool/math-symbols): Searchable reference table of common math symbols with names, Unicode code points, and one-click copy. - [Micro Symbol](https://top10k.com/tool/micro-symbol): Copy the micro symbol (µ) used in SI unit prefixes like micrometers, microseconds, and microfarads, with Unicode, LaTeX, and HTML entity codes plus the difference from the Greek letter mu (μ). - [Mirror Text Generator](https://top10k.com/tool/mirror-text-generator) - [Monospace Text Generator](https://top10k.com/tool/monospace-text-generator): Converts normal text to Unicode monospace/typewriter-style characters (mathematical monospace block U+1D670–U+1D6A3) for use in social media bios, posts, and anywhere Unicode is rendered. - [Moon Symbol](https://top10k.com/tool/moon-symbol): Copy the moon symbol (☾) and the crescent moon emoji, plus the full set of moon phase emoji, with Unicode, HTML entity, CSS, and URL-encoded forms and real ways to type each one. - [Mu Symbol](https://top10k.com/tool/mu-symbol): Copy the Greek letter mu (μ Μ) and look up its Unicode codepoint, HTML entity, and LaTeX command, plus its common uses for friction coefficient, population mean, and permeability. - [Multiplication Symbol](https://top10k.com/tool/multiplication-symbol): Copy the multiplication symbol (×) and look up its keyboard shortcuts, Alt code, Unicode value, and HTML entity for Windows, Mac, and Linux. - [Music Emoji List](https://top10k.com/tool/music-emoji-list): Browse and copy music emojis: notes, instruments, headphones, microphones, and speakers, each with its name and Unicode codepoint. - [Musical Note Symbols](https://top10k.com/tool/musical-note-symbols): Browse, search, and copy musical note and notation Unicode symbols with code points and HTML entities. - [Nabla Symbol](https://top10k.com/tool/nabla-symbol): Copy the nabla symbol (∇, del operator) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Naira Symbol](https://top10k.com/tool/naira-symbol): Copy the Nigerian naira symbol (₦) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Not Equal Symbol](https://top10k.com/tool/not-equal-symbol): Copy the not equal symbol (≠) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Office Emoji List](https://top10k.com/tool/office-emoji-list): Browse and copy office and workplace emojis: briefcases, folders, calendars, clipboards, printers, computers, phones, and more, each with its name and Unicode codepoint. - [Ohm Symbol](https://top10k.com/tool/ohm-symbol): Copy the ohm symbol (Ω, capital Greek omega) used to denote electrical resistance, with Unicode, LaTeX, and HTML entity codes plus resistor-notation examples. - [Om Symbol](https://top10k.com/tool/om-symbol): Copy the Om/Aum symbol (ॐ) and look up its Unicode codepoint, HTML entity, meaning, and keyboard input methods. - [Omega Symbol](https://top10k.com/tool/omega-symbol): Copy the Greek letter omega (Ω ω) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in electronics, physics, and math. - [One Half Symbol](https://top10k.com/tool/one-half-symbol): Copy the one half symbol (½) and look up its Unicode code point, HTML entity, decimal/hex codes, and alt code. - [One Quarter Symbol](https://top10k.com/tool/one-quarter-symbol): Copy the one quarter fraction symbol (¼) and look up its Unicode code point, HTML entity, alt code, and keyboard shortcuts for Windows, Mac, and Linux. - [One Third Symbol](https://top10k.com/tool/one-third-symbol): Copy the one third symbol (⅓) and look up its Unicode code point, HTML entity, decimal/hex codes, and keyboard shortcut. - [Parallel Symbol](https://top10k.com/tool/parallel-symbol): Copy the parallel symbol (∥) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Partial Derivative Symbol](https://top10k.com/tool/partial-derivative-symbol): Copy the partial derivative symbol (∂) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Peace Symbol](https://top10k.com/tool/peace-symbol): Copy the peace symbol (☮) and related glyphs, plus Unicode value, HTML entity, CSS content value, and real ways to type it on Windows, Mac, and Linux. - [People Emoji List](https://top10k.com/tool/people-emoji-list): Browse and copy people and person emoji: hand gestures, professions, family members, and fantasy roles, each with its name and Unicode codepoint. - [Per Mille Symbol](https://top10k.com/tool/per-mille-symbol): Copy the per mille symbol (‰) and look up its meaning versus percent, Unicode code point, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Percent Symbol](https://top10k.com/tool/percent-symbol): Copy the percent symbol (%) and look up its keyboard shortcut, Unicode code point, HTML entity, and use in programming, URLs, and SQL for Windows, Mac, and Linux. - [Perpendicular Symbol](https://top10k.com/tool/perpendicular-symbol): Copy the perpendicular symbol (⊥) and look up its Unicode value, HTML entity, LaTeX command, and keyboard input methods for Windows, Mac, and Linux. - [Peso Symbol](https://top10k.com/tool/peso-symbol): Copy the peso sign (₱) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Phi Symbol](https://top10k.com/tool/phi-symbol): Copy the phi symbol (φ, Φ) plus the closed-loop variant, with Alt codes, Unicode, HTML entities, and LaTeX for Windows, Mac, and Linux, and its use as the golden ratio symbol. - [Phonetic Symbols](https://top10k.com/tool/phonetic-symbols): A searchable reference table of IPA (International Phonetic Alphabet) symbols with descriptions, Unicode code points, and one-click copy. - [Pi Symbol](https://top10k.com/tool/pi-symbol): Copy the pi symbol (π) plus its uppercase and variant forms, with Alt codes, Unicode, HTML entities, and LaTeX for Windows, Mac, and Linux. - [Pilcrow Symbol](https://top10k.com/tool/pilcrow-symbol): Copy the pilcrow (paragraph mark, ¶) instantly. See its Unicode code point, HTML/CSS entity codes, and keyboard shortcuts on Windows, Mac, and Linux. - [Pipe Symbol](https://top10k.com/tool/pipe-symbol): Copy the pipe symbol (|) and the related broken bar (¦), plus look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and international keyboard layouts. - [Plant Emoji List](https://top10k.com/tool/plant-emoji-list): Browse and copy plant emojis: trees, flowers, herbs, cacti, and leaves, each with its name and Unicode codepoint. - [Plus Minus Symbol](https://top10k.com/tool/plus-minus-symbol): Copy the plus-minus symbol (±) and look up its keyboard shortcuts, Alt code, Unicode value, and HTML entity for Windows, Mac, and Linux. - [Pound Sterling Symbol](https://top10k.com/tool/pound-sterling-symbol): Copy the British pound sterling symbol (£) and look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and Linux. - [Prime Symbol](https://top10k.com/tool/prime-symbol): Copy the prime symbol (′) and double prime (″) used in math, geometry, feet/inches, and minutes/seconds notation, with Unicode, LaTeX, and HTML entity codes. - [Product Symbol](https://top10k.com/tool/product-symbol): A copy-paste reference page for the mathematical product symbol (∏, capital pi), with a one-click copy button, Unicode code point, HTML entity, LaTeX command, and how to type it in math notation. - [Punctuation Symbols](https://top10k.com/tool/punctuation-symbols): Clickable reference table of punctuation symbols with Unicode code points and copy-to-clipboard. - [Recycling Symbol](https://top10k.com/tool/recycling-symbol): Copy the recycling symbol (♻) instantly. See its Unicode code point, HTML entity, meaning, and keyboard input methods on Windows, Mac, and Linux. - [Registered Trademark Symbol](https://top10k.com/tool/registered-trademark-symbol): Copy the registered trademark symbol (®) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Right Arrow Symbol](https://top10k.com/tool/right-arrow-symbol): Copy the rightward arrow symbol (→ and variants like ➔ ➜ ⇒ ▶) with Unicode codepoints, HTML entities, CSS content values, URL-encoded forms, and keyboard shortcuts for Windows, Mac, and Linux. - [Roman Numeral Symbols](https://top10k.com/tool/roman-numeral-symbols): Reference table of Roman numeral symbols (I through M) with their values, plus a converter between integers and Roman numerals. - [Ruble Symbol](https://top10k.com/tool/ruble-symbol): Copy the Russian Ruble symbol (₽) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Rupee Symbol](https://top10k.com/tool/rupee-symbol): Copy the Indian Rupee symbol (₹) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Section Symbol](https://top10k.com/tool/section-symbol): Copy the section sign (§) instantly. See its Unicode code point, HTML entity, and keyboard shortcuts on Windows, Mac, and Linux. - [Shekel Symbol](https://top10k.com/tool/shekel-symbol): Copy the Israeli New Shekel symbol (₪) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Sigma Symbol](https://top10k.com/tool/sigma-symbol): Copy the Greek letter sigma (Σ σ ς) and look up its Unicode codepoints, HTML entities, LaTeX commands, and common uses in statistics, physics, and chemistry. - [Small Caps Generator](https://top10k.com/tool/small-caps-generator): Converts regular text to Unicode small capital letters you can copy and paste into social media bios, posts, and documents. - [Smiley Emoji List](https://top10k.com/tool/smiley-emoji-list): A searchable list of smiley and face emoji shown as real text, each with its name and Unicode codepoint, click to copy. - [Snowflake Symbol](https://top10k.com/tool/snowflake-symbol): Copy the snowflake symbol (❄) and its Unicode relatives, plus Unicode value, HTML entity, CSS content value, and real ways to type it on Windows, Mac, and Linux. - [Sparkle Symbol](https://top10k.com/tool/sparkle-symbol): Copy the sparkle symbol (✨) and its Unicode relatives, plus Unicode value, HTML entity, CSS content value, and real ways to type it on Windows, Mac, and Linux. - [Sports Emoji List](https://top10k.com/tool/sports-emoji-list): Browse and copy sports emoji: ball games, water and winter sports, athletics, and medals and trophies, each with its name and Unicode codepoint. - [Square Root Symbol](https://top10k.com/tool/square-root-symbol): A copy-paste reference page for the square root symbol (√) and related radical variants (cube root, fourth root), with a one-click copy button for each showing Unicode code point, HTML entity, and … - [Squared Symbol](https://top10k.com/tool/squared-symbol): A reference and copy-paste tool for the squared (²) symbol, including alt codes, unicode, HTML entity, and keyboard shortcuts across platforms. - [Star Emoji List](https://top10k.com/tool/star-emoji-list): Browse and copy star emoji: glowing star, sparkles, shooting star, star and crescent, star of David, fireworks, and more, each with its name and Unicode codepoint. - [Star of David Symbol](https://top10k.com/tool/star-of-david-symbol): Copy the Star of David symbol (✡) instantly. See its Unicode code point, HTML entity, meaning, and keyboard input methods on Windows, Mac, and Linux. - [Star Symbols](https://top10k.com/tool/star-symbols): Browse and copy Unicode star symbols, asterisks, and star-like characters with one-click copy and codepoint info. - [Strikethrough Text Generator](https://top10k.com/tool/strikethrough-text-generator): Adds Unicode combining strikethrough character to every letter so text appears crossed-out anywhere — social media, chat apps, emails, and more. - [Subscript Generator](https://top10k.com/tool/subscript-generator): Converts digits and select letters to Unicode subscript characters for use in chemistry, math, and text. - [Subscript Symbols](https://top10k.com/tool/subscript-symbols): Browse and copy Unicode subscript characters (numbers, letters, punctuation) for use in chemical formulas, math notation, and social media. - [Subset Symbol](https://top10k.com/tool/subset-symbol): Reference and copy the set-theory subset symbols (proper subset, subset or equal, and related superset symbols) with Unicode codepoint, HTML entity, and LaTeX code. - [Summation Symbol](https://top10k.com/tool/summation-symbol): A copy-paste reference page for the summation symbol (∑), with a one-click copy button, Unicode code point, HTML entity, LaTeX command, and how to type it in math notation. - [Sun Symbol](https://top10k.com/tool/sun-symbol): Copy the sun symbol (☀) and related sun glyphs, plus their Unicode value, numeric HTML entity, CSS escape, and URL-encoded form. - [Superscript Generator](https://top10k.com/tool/superscript-generator) - [Superscript Symbols](https://top10k.com/tool/superscript-symbols): Converts typed text to Unicode superscript characters and provides a clickable symbol grid for all available superscript digits, letters, and math symbols with one-click copy. - [Tau Symbol](https://top10k.com/tool/tau-symbol): Copy the Greek letter tau (Τ τ) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in math, physics, and statistics. - [Tech Emoji List](https://top10k.com/tool/tech-emoji-list): Browse and copy technology emojis: laptops, phones, robots, gears, batteries, and more, each with its name and Unicode codepoint. - [Technical Symbols](https://top10k.com/tool/technical-symbols): Searchable reference of engineering and technical symbols (electrical, mechanical, mathematical) with click-to-copy. - [Text to Emoji Converter](https://top10k.com/tool/text-to-emoji-converter): Type a word or phrase and get matching emoji suggestions for each word, then build an emoji-annotated version of your sentence. - [There Exists Symbol](https://top10k.com/tool/there-exists-symbol): Copy the there exists symbol (∃) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Therefore Symbol](https://top10k.com/tool/therefore-symbol): Copy the therefore symbol (∴) and look up its Unicode codepoint, HTML entity, LaTeX command, and keyboard shortcuts for Windows, Mac, and Linux. - [Theta Symbol](https://top10k.com/tool/theta-symbol): Copy the Greek letter theta (Θ θ) and look up its Unicode codepoint, HTML entity, LaTeX command, and common uses in math, physics, and computer science. - [Three Quarters Symbol](https://top10k.com/tool/three-quarters-symbol): Copy the three quarters symbol (¾) and look up its Unicode codepoint, HTML entity, decimal and hex codes, and Alt code for Windows, Mac, and Linux. - [Tilde Symbol](https://top10k.com/tool/tilde-symbol): Copy the tilde symbol (~) and related forms (fullwidth, combining, small), plus look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, and Linux. - [Trademark Symbol](https://top10k.com/tool/trademark-symbol): Copy the trademark symbol (™) instantly. See its Unicode code point, HTML entity, CSS content value, and keyboard shortcuts on Windows, Mac, and Linux. - [Travel Emoji List](https://top10k.com/tool/travel-emoji-list): Browse and copy travel emoji: transportation, luggage and documents, destinations and nature, lodging, and navigation, each with its name and Unicode codepoint. - [Two Thirds Symbol](https://top10k.com/tool/two-thirds-symbol): Copy the two thirds symbol (⅔) and look up its Unicode code point, HTML entity, decimal/hex codes, and keyboard shortcut. - [Underline Text Generator](https://top10k.com/tool/underline-text-generator) - [Underscore Symbol](https://top10k.com/tool/underscore-symbol): Copy the underscore symbol (_) and its fullwidth form, plus look up its Unicode codepoint, HTML entity, Alt code, and keyboard shortcut. Covers common uses in variable naming, snake_case, Markdown,… - [Unicode Font Generator](https://top10k.com/tool/unicode-font-generator) - [Union Symbol](https://top10k.com/tool/union-symbol): A reference and copy-paste tool for the mathematical union symbol (∪) showing the character, unicode codepoint, LaTeX code, HTML entity, and usage examples in set theory. - [Up Arrow Symbol](https://top10k.com/tool/up-arrow-symbol): Copy the upward arrow symbol (↑ and variants like ⇑ ▲) with Unicode codepoints, HTML entities, CSS content values, URL-encoded forms, and keyboard shortcuts for Windows, Mac, and Linux. - [Upside Down Text Generator](https://top10k.com/tool/upside-down-text-generator): Flips entered text upside down using Unicode character mappings, so it can be copied and pasted anywhere. - [Warning Symbol](https://top10k.com/tool/warning-symbol): Copy the warning sign symbol (a caution triangle) with Unicode codepoint, HTML entity, and keyboard input methods for Windows, Mac, and Linux. - [Weather Emoji List](https://top10k.com/tool/weather-emoji-list): Browse and copy weather emoji: sun, clouds, rain, snow, storms, wind, and sky, each with its name and Unicode codepoint. - [Weather Symbols](https://top10k.com/tool/weather-symbols): Reference table of meteorological weather symbols (Unicode and WMO standard) with names, meanings, and one-click copy-to-clipboard. - [Wide Text Generator](https://top10k.com/tool/wide-text-generator) - [Wingdings Translator](https://top10k.com/tool/wingdings-translator): Converts plain ASCII text to Wingdings font symbols and back, showing the Wingdings character mapping for each letter. - [Won Symbol](https://top10k.com/tool/won-symbol): Copy the Korean Won symbol (₩) and look up its Unicode value, HTML entity, and keyboard shortcut for Windows, Mac, and Linux. - [Yen Symbol](https://top10k.com/tool/yen-symbol): Copy the yen symbol (¥) and look up its Unicode value, HTML entity, Alt code, and keyboard shortcut for Windows, Mac, Linux, and Japanese keyboards. - [Yin Yang Symbol](https://top10k.com/tool/yin-yang-symbol): Copy the yin yang symbol (☯) and see its Unicode value, HTML entity, CSS content value, and real ways to type it on Windows, Mac, and Linux. - [Zalgo Text Generator](https://top10k.com/tool/zalgo-text-generator): Generates glitchy corrupted Zalgo text by adding random Unicode combining diacritical marks above, below, and through characters. - [Zodiac Symbols](https://top10k.com/tool/zodiac-symbols): Reference page displaying all 12 Western zodiac symbols with their Unicode characters, date ranges, and one-click copy functionality. ## Sports Tools (120) - [10k Pace Calculator](https://top10k.com/tool/10k-pace-calculator): Calculate the required pace (min/km or min/mile) to finish a 10K race in a target time, and predict finish time from a given pace. - [5K Pace Calculator](https://top10k.com/tool/5k-pace-calculator): Calculate 5K race pace and finish time — enter your goal time to get pace per mile/km, or enter pace to get finish time; includes split table for each kilometer. - [Archery Score Calculator](https://top10k.com/tool/archery-score-calculator): Add up per-arrow and per-end archery scores across a full round to get a running total and final score, with X and 10 counts for tiebreaks. - [Arrow Spine Calculator](https://top10k.com/tool/arrow-spine-calculator) - [Badminton Score Tracker](https://top10k.com/tool/badminton-score-tracker): Track a live badminton match with official rally-point scoring: games to 21, win by 2, capped at 30, best of 3 games, with per-game history and undo. - [Bag Limit Tracker](https://top10k.com/tool/bag-limit-tracker): Track daily bag limits for hunting and fishing. Enter species, daily limit, and count taken to see remaining allowance and compliance status. - [Ballistic Trajectory Calculator](https://top10k.com/tool/ballistic-trajectory-calculator) - [Baseball ERA Calculator](https://top10k.com/tool/baseball-era-calculator): Calculate a pitcher's Earned Run Average (ERA) using the standard formula: ERA = 9 × earned runs ÷ innings pitched. Supports partial innings and season totals. - [Baseball OPS Calculator](https://top10k.com/tool/baseball-ops-calculator): Calculate a baseball batter's On-base Plus Slugging (OPS) stat from plate appearance stats. Enter hits, walks, at-bats, and extra-base hits to get OPS, OBP, and SLG instantly. - [Baseball WHIP Calculator](https://top10k.com/tool/baseball-whip-calculator): Calculate WHIP (Walks plus Hits per Inning Pitched) for baseball pitchers. Includes quality-tier ratings from elite to poor. - [Basketball PER Calculator](https://top10k.com/tool/basketball-per-calculator): Calculates a basketball player's Player Efficiency Rating (PER) from season stats — points, rebounds, assists, steals, blocks, shooting attempts, and turnovers. - [Basketball True Shooting Percentage Calculator](https://top10k.com/tool/basketball-true-shooting): Calculates True Shooting Percentage (TS%) — the NBA composite shooting efficiency metric that accounts for 2-point field goals, 3-point field goals, and free throws using TS% = PTS / (2 × (FGA + 0.… - [Batting Average Calculator](https://top10k.com/tool/batting-average-calculator): Calculate a baseball batter's batting average (BA), on-base percentage (OBP), slugging percentage (SLG), and OPS from hits, at-bats, walks, hit-by-pitches, and extra-base hit counts. - [Bow Draw Weight Helper](https://top10k.com/tool/bow-draw-weight-helper) - [Bowling Average Calculator](https://top10k.com/tool/bowling-average-calculator): Calculate a ten-pin bowling average from a list of entered game scores, with a running total and the average you need in upcoming games to reach a target. - [Bowling Handicap Calculator](https://top10k.com/tool/bowling-handicap-calculator): Calculate a bowler's handicap from their average and a league's base score and percentage, then apply it to game scores to get handicap totals. - [Bowling Pinfall Calculator](https://top10k.com/tool/bowling-pinfall-calculator): Type the pinfall for each roll of a ten-pin bowling game and get the frame-by-frame score, with strike and spare bonuses and the 10th-frame special case handled automatically. - [Bowling Score Calculator](https://top10k.com/tool/bowling-score-calculator): Calculate a complete 10-frame bowling game score with proper strike and spare bonus rules. Enter each roll and see your running total instantly. - [Boxing Punch Stats Calculator](https://top10k.com/tool/boxing-punch-stats-calculator) - [Calories Burned Swimming Calculator](https://top10k.com/tool/calorie-burn-swimming): Estimates calories burned swimming based on body weight, swim stroke, duration, and intensity using MET values from the Compendium of Physical Activities. - [Calories Burned by Activity](https://top10k.com/tool/calories-burned-by-activity): Calculate calories burned during any physical activity using MET values. Pick from 25 activities, enter duration and bodyweight, and get instant kcal estimates with food equivalents. - [Calories Burned Cycling](https://top10k.com/tool/calories-burned-cycling): Estimates calories burned while cycling based on body weight, speed, duration, and terrain using MET values from the Compendium of Physical Activities. - [Calories Burned Running](https://top10k.com/tool/calories-burned-running): Estimates calories burned while running based on body weight, distance or duration, and pace using MET values. - [Climbing Route Density Calculator](https://top10k.com/tool/climbing-density-calc): Calculate route density for a climbing wall or gym given the number of routes, wall area, and average route length to help route setters plan spacing. - [Climbing Grade Converter](https://top10k.com/tool/climbing-grade-converter): Convert rock climbing difficulty grades between Yosemite Decimal System (YDS), French/Sport, UIAA, and British Adjectival rating systems with a full lookup table. - [Cricket Batting Average Calculator](https://top10k.com/tool/cricket-batting-average-calculator): Calculate a cricket batsman's batting average from total runs, innings played, and times not out, with correct handling of the all-not-out edge case. - [Cricket Bowling Average Calculator](https://top10k.com/tool/cricket-bowling-average-calculator): Calculate a cricket bowler's bowling average (runs conceded per wicket taken) from match or season figures, with the zero-wickets edge case handled correctly. - [Cricket Economy Rate Calculator](https://top10k.com/tool/cricket-economy-rate-calculator): Calculate a bowler's cricket economy rate from runs conceded and overs bowled, handling balls-within-an-over correctly (e.g. 7.4 overs = 7 overs and 4 balls). - [Cricket Over Calculator](https://top10k.com/tool/cricket-over-calculator): Convert cricket overs (overs.balls notation, e.g. 12.3) to total balls bowled and back, add up multiple spells with the 6-balls-per-over rollover, and get the rate per over for any runs total. - [Cricket Points Table Calculator](https://top10k.com/tool/cricket-points-table-calculator): Build a cricket tournament points table from a list of match results, with 2 points per win and Net Run Rate as the tiebreaker. - [Cricket Required Run Rate Calculator](https://top10k.com/tool/cricket-required-run-rate): Calculate the required run rate for a cricket team chasing a target, from target score, current score, overs completed, and total overs. Shows runs needed and required runs per over. - [Cricket Run Rate Calculator](https://top10k.com/tool/cricket-run-rate-calculator): Calculate a cricket team's current run rate and the required run rate to hit a target, handling balls-within-an-over correctly (e.g. 4.3 overs = 4 overs and 3 balls). - [Cricket Strike Rate Calculator](https://top10k.com/tool/cricket-strike-rate-calculator): Calculate a cricket batter's strike rate (runs scored per 100 balls faced) from runs and balls faced, with a quick reference to typical strike rate benchmarks by format. - [CS2 Rating Calculator](https://top10k.com/tool/cs2-rating-calculator): Estimate a Counter-Strike 2 HLTV-style player rating from kills, deaths, assists, rounds played, ADR, and KAST using the widely used community formula. - [Cycling NP / IF / TSS Calculator](https://top10k.com/tool/cycling-np-if-tss) - [Cycling Power Calculator](https://top10k.com/tool/cycling-power-calculator): Estimates cycling power output (watts) from speed, rider+bike weight, gradient, and drag coefficient; also calculates watts per kilogram for training zone reference. - [Cycling Speed Calculator](https://top10k.com/tool/cycling-speed-calculator): Calculate cycling speed, distance, or time given any two of the three values. Supports both metric (km/h, km) and imperial (mph, miles) units. - [Dart Checkout Calculator](https://top10k.com/tool/dart-checkout-calculator): Shows all possible 3-dart, 2-dart, and 1-dart checkout combinations for any darts score from 2 to 170, covering standard 501/301 game finishes. - [Darts 501 Scorer](https://top10k.com/tool/darts-501-scorer): Interactive scorer for the classic 501 darts game. Tracks each player's remaining score, validates bust turns, and suggests checkout combinations for a double-out finish. - [Darts Average Calculator](https://top10k.com/tool/darts-average-calculator): Calculate a darts player three-dart average from total score and darts thrown, or from a list of leg scores, the key stat used in darts leagues and tournaments. - [Darts Double Out Chart](https://top10k.com/tool/darts-double-out-chart): An interactive reference chart showing the standard checkout/double-out route for any remaining darts score from 2 to 170, helping players find the fastest way to finish a leg. - [Decathlon Score Calculator](https://top10k.com/tool/decathlon-score-calculator): Enter results for all 10 decathlon events and score each one with the published IAAF/World Athletics scoring formula, plus a combined decathlon total. - [Dots Score Calculator](https://top10k.com/tool/dots-score-calculator): Calculates the Dots powerlifting score (bodyweight-adjusted total) using the official Dots formula to compare lifters across weight classes. - [Duckworth-Lewis Calculator](https://top10k.com/tool/duckworth-lewis-calculator): Estimate a revised cricket target for a rain-interrupted limited-overs match using a simplified Duckworth-Lewis-style resource-percentage table. - [Elo Rating Calculator](https://top10k.com/tool/elo-rating-calculator): Calculates new Elo ratings for two players after a match result using the standard Elo formula and configurable K-factor. - [Esports Win Rate Calculator](https://top10k.com/tool/esports-win-rate-calculator): Calculate competitive gaming win rate percentage from wins, losses, and draws, and see how many more wins are needed to reach a target win rate. - [F1 Points Calculator](https://top10k.com/tool/f1-points-calculator): Calculate Formula 1 championship points from race finishing positions, including the fastest-lap bonus point for drivers who finish in the top 10. - [Fantasy Football Trade Value](https://top10k.com/tool/fantasy-football-trade-value): Estimate fantasy football trade value from each player's projected points, position, and risk adjustment, then compare both sides of a trade side by side. - [Fantasy Points Calculator](https://top10k.com/tool/fantasy-points-calculator): Calculates fantasy football points for a player based on standard and PPR scoring rules with customizable scoring settings. - [Fish Weight from Length Calculator](https://top10k.com/tool/fish-weight-from-length): Estimate the weight of common sport fish from body length using species-specific standard length-weight formulas (W = a * L^b) for bass, trout, pike, walleye, and more. - [Fishing Line Strength Calculator](https://top10k.com/tool/fishing-line-strength): Compare fishing line test strength in lb and kg, calculate knot strength reduction, and find the recommended line weight for your target fish species. - [Football Passer Rating Calculator](https://top10k.com/tool/football-passer-rating-calculator): Calculate the official NFL passer rating from completions, attempts, passing yards, touchdowns, and interceptions. - [Football Points Calculator](https://top10k.com/tool/football-points-calculator): Calculate American football score from touchdowns, field goals, extra points, two-point conversions, and safeties using standard scoring rules. - [FTP Calculator](https://top10k.com/tool/ftp-calculator): Estimates cycling Functional Threshold Power (FTP) from 20-minute or ramp test results. - [Golf Course Handicap Calculator](https://top10k.com/tool/golf-course-handicap): Calculates a player's course handicap from their World Handicap System (WHS) Handicap Index, the course slope rating, course rating, and par, following the official WHS formula. - [Golf Handicap Calculator](https://top10k.com/tool/golf-handicap-calculator): Estimate a Golf Handicap Index from 3–20 score differentials using the WHS Rule 5.2 selection and adjustment table. - [Golf Handicap Index Calculator](https://top10k.com/tool/golf-handicap-index): Calculate your World Handicap System (WHS) Handicap Index from up to 20 score differentials using the best 8 of your most recent 20 rounds. - [Gymnastics Score Calculator](https://top10k.com/tool/gymnastics-score-calculator): Combine a Difficulty (D) score and an Execution (E) score, minus any neutral deductions, into a final gymnastics routine score using the modern open-ended FIG scoring system. - [Half Marathon Pace Calculator](https://top10k.com/tool/half-marathon-pace-calculator): Calculates the required per-mile or per-km pace to finish a half marathon in a target time, and shows split times for each mile or kilometer. - [Heptathlon Score Calculator](https://top10k.com/tool/heptathlon-score-calculator): Enter results for the 7 heptathlon events (100m hurdles, high jump, shot put, 200m, long jump, javelin, 800m) and get IAAF/World Athletics points for each event plus a combined total. - [Hockey Corsi Calculator](https://top10k.com/tool/hockey-corsi-calculator): Calculate Corsi (shot attempt differential and CF%) for a hockey player or team from shots on goal, missed shots, and blocked shots for and against. - [Hockey Points Percentage](https://top10k.com/tool/hockey-points-percentage): Calculate an NHL or hockey team's points percentage (PTS% = points / (games played x 2)) from wins, regulation losses, and OT/shootout losses. - [Hockey Save Percentage Calculator](https://top10k.com/tool/hockey-save-percentage-calculator): Calculates a hockey goalie's save percentage from shots faced and goals allowed, or from saves and goals allowed, shown to 3 decimal places matching NHL convention. Add multiple games to combine th… - [IPL Net Run Rate Calculator](https://top10k.com/tool/ipl-net-run-rate-calculator): Calculate IPL Net Run Rate (NRR) across matches with the fixed 20-over IPL format, plus a planner for the runs or overs needed in the next match to hit a target NRR. - [K/D Ratio Calculator](https://top10k.com/tool/kd-ratio-calculator): Calculate your kill/death ratio from total kills and deaths, plus per-match average and a rating tier readout. Handles the deaths=0 case explicitly. - [Lap Time Calculator](https://top10k.com/tool/lap-time-calculator): Calculate per-lap splits, average lap time, and the fastest and slowest lap from a total race time and lap count, or from individually entered lap times. - [League KDA Calculator](https://top10k.com/tool/league-kda-calculator): Calculates a League of Legends player's KDA ratio ((Kills + Assists) / Deaths) from a single game's kills, deaths, and assists, with a Perfect KDA state for zero deaths. - [Long Jump Helper](https://top10k.com/tool/long-jump-helper): Calculates long jump distance from takeoff velocity and angle, estimates optimal takeoff angle, and converts between metric and imperial measurements for track and field athletes. - [Marathon Split Planner](https://top10k.com/tool/marathon-split-planner): Plans per-kilometer or per-mile pace splits for a marathon given a target finish time, with optional positive/negative split strategy and a printable split table. - [Marathon Time Predictor](https://top10k.com/tool/marathon-time-predictor): Predicts full marathon finish time based on a recent race result (5K, 10K, half marathon) using the Riegel formula. - [MMA Fight Score Calculator](https://top10k.com/tool/mma-fight-score-calculator): A transparent round-scoring helper for MMA/UFC fights. Rate effective striking, grappling, control time, and aggression per fighter per round to get a suggested 10-9 or 10-8 score based on standard… - [Negative Split Calculator](https://top10k.com/tool/negative-split-calculator): Plan a negative-split race strategy by computing per-km or per-mile pace targets with a user-defined split ratio. - [Net Run Rate Calculator](https://top10k.com/tool/net-run-rate-calculator): Calculate a cricket team's Net Run Rate (NRR) for a match or across a tournament, with correct handling of the all-out-before-overs-completed rule. - [One Rep Max Calculator (Brzycki)](https://top10k.com/tool/one-rep-max-brzycki): Estimates your one-repetition maximum (1RM) using the Brzycki formula from a submaximal set weight and reps, with a full percentage-based training table. - [One Rep Max Percentage Table](https://top10k.com/tool/one-rep-max-percentage-table): Generates a full percentage table (50%–100%) of your one-rep max weight across rep ranges 1–10 using the Epley formula. - [Pentathlon Score Calculator](https://top10k.com/tool/pentathlon-score-calculator): Enter results for the five indoor pentathlon events (60m hurdles, high jump, shot put, long jump, 800m) and get per-event points plus a combined total using published World Athletics scoring formulas. - [Pickleball Score Tracker](https://top10k.com/tool/pickleball-score-tracker): Track a live pickleball match with an interactive scoreboard: tap to add points per side, server tracking, win detection at 11 (win by 2), best of 3 games, with undo and reset. - [Pit Stop Delta Calculator](https://top10k.com/tool/pit-stop-delta-calculator): Calculate pit stop time loss by comparing a measured in-lap and out-lap sequence with two representative green-flag laps. - [QBR Calculator](https://top10k.com/tool/qbr-calculator): Estimate a simplified quarterback efficiency rating on a 0-100 scale from completions, attempts, yards, touchdowns, interceptions, sacks, and rushing production. - [Race Fuel Consumption Calculator](https://top10k.com/tool/race-fuel-consumption-calculator): Calculate your fuel consumption rate per lap, per mile, or per kilometer from fuel used and distance covered during a race or test session. - [Race Fuel Load Calculator](https://top10k.com/tool/race-fuel-load-calculator): Calculate how much fuel to load into a race car for a given race distance, using fuel use per lap, lap count, reserve fuel, and a safety margin percentage. - [Race Time Converter](https://top10k.com/tool/race-time-converter): Convert running race finish times between distances (5K, 10K, half-marathon, marathon) using equivalent pace prediction based on Pete Riegel's formula. - [Race Time Predictor](https://top10k.com/tool/race-time-predictor): Predict your race finish times at standard distances using the Riegel formula. Enter a recent race result and instantly see equivalent times for every common distance from 1 mile to marathon. - [Reel Line Capacity Calculator](https://top10k.com/tool/reel-line-capacity): Calculate how many yards or meters of fishing line fit on a reel spool given spool depth, spool width, arbor diameter, and line diameter using the volume-based line capacity formula. - [Rifle Zero Calculator](https://top10k.com/tool/rifle-zero-calculator) - [Rowing Split Calculator](https://top10k.com/tool/rowing-split-calculator): Calculate rowing split times (time per 500m) from a total time and distance, or project a finish time from a target split. Works for ergometer (erg) and on-water rowing. - [Rowing Watts Calculator](https://top10k.com/tool/rowing-watts-calculator): Convert rowing split time (min:sec per 500m) to power output in watts using the standard rowing ergometer formula, and back-calculate split from watts. - [Rugby Bonus Point Calculator](https://top10k.com/tool/rugby-bonus-point-calculator): Calculates rugby union league table points for match results, including the standard win/draw/loss points plus the try-scoring bonus point and the losing bonus point. - [Rugby Points Calculator](https://top10k.com/tool/rugby-points-calculator): Calculate a rugby union team's total match score from the number of tries, conversions, penalty goals, and drop goals, with a running score breakdown. - [Running Pace Calculator](https://top10k.com/tool/running-pace-calculator): Calculate running pace, time, or distance from any two known values. Supports km and miles, named races (5K, 10K, half-marathon, marathon), and generates full split tables. - [Score Counter](https://top10k.com/tool/score-counter): Multi-team score tracker for any sport or game. Add teams, increment scores with custom point values, track game history, and undo mistakes. - [Fishing Sinker Weight Selector](https://top10k.com/tool/sinker-weight-selector): Recommends the right fishing sinker weight from your current speed, target depth, line diameter, and technique, with a weight range in ounces and grams. - [Soccer Points Calculator](https://top10k.com/tool/soccer-points-calculator): Calculates total league points and standings for up to 20 soccer teams based on wins, draws, and losses using the standard 3-1-0 point system. - [Soccer xG Helper (Expected Goals)](https://top10k.com/tool/soccer-xg-helper) - [Spoke Tension Calculator](https://top10k.com/tool/spoke-tension-calculator): A browser-based wheel builder toolkit for spoke tension balance, left/right spoke length, ERD measurement, and rounding checks. - [Sprint Speed Calculator](https://top10k.com/tool/sprint-speed-calculator): Calculate sprint speed in m/s, km/h, and mph from distance and time. See where you rank against performance benchmarks from recreational to elite sprinter. - [Steps to Km Calculator](https://top10k.com/tool/steps-to-km-calculator): Converts a step count to kilometers (and miles) based on customizable step length, with daily step goal progress tracking. - [Steps to Miles Calculator](https://top10k.com/tool/steps-to-miles-calculator): Convert step counts to miles and kilometers based on your stride length. Enter stride length directly or estimate it from your height and gender. - [Swim CSS Calculator](https://top10k.com/tool/swim-css-calculator): Calculates a swimmer's Critical Swim Speed (CSS) — the anaerobic threshold pace — from two time trials (e.g. 400m and 200m), then expresses it as pace per 100m/yd for training zone guidance. - [Swim Pace Calculator](https://top10k.com/tool/swim-pace-calculator): Calculate your swimming pace per 100m and per 100yd from pool length, laps, and total time. Conversely, predict finish time for a target distance from a known pace. Supports 25m, 50m, 25yd, and 50y… - [Swim Stroke Rate Calculator](https://top10k.com/tool/swim-stroke-rate): Calculates swimming stroke rate (strokes per minute), stroke length, and SWOLF score from lap time, distance, and stroke count inputs. - [Swimming Pace Calculator](https://top10k.com/tool/swimming-pace-calculator): Calculate swimming pace per 100m or 100yd, total swim time, and distance from any two of those three values. - [Swimming Pace per 100m/yd Calculator](https://top10k.com/tool/swimming-pace-per-100): Calculates swimming pace per 100 meters or yards from total distance and time, and derives total race time from pace. - [T20 Projected Score Calculator](https://top10k.com/tool/t20-projected-score-calculator): Project a T20 cricket team's likely final score from the current runs, overs/balls faced, and wickets lost, using run-rate extrapolation adjusted for wickets in hand. - [Table Tennis Score Tracker](https://top10k.com/tool/table-tennis-score-tracker): Track a live table tennis match with official scoring: games to 11 points, win by 2, correct best-of-N match length, and a server indicator that switches every 2 points, or every point once the gam… - [Tennis Score Tracker](https://top10k.com/tool/tennis-score-tracker): Interactive tennis match score tracker that handles games, sets, and match scoring with standard tennis rules including deuce and advantage. - [Tennis UTR Helper](https://top10k.com/tool/tennis-utr-helper): Explains and illustrates Universal Tennis Rating (UTR) — the 1–16 scale rating system for tennis players — with a UTR level lookup table, rating description for each level, and a win-probability es… - [Tide Fishing Planner](https://top10k.com/tool/tide-fishing-planner): Solunar fishing activity calculator — given a date, computes moon phase and solunar peak fishing windows (major/minor periods) using lunar position math, no API needed. - [Track and Field Points Calculator](https://top10k.com/tool/track-and-field-points-calculator): Enter a single track or field result (time, distance, or height) and get an IAAF/World Athletics-style scoring-table point estimate, for comparing performance across different events on one scale. - [Treadmill Pace Converter](https://top10k.com/tool/treadmill-pace-converter): Converts treadmill speed (mph or km/h) to running pace (min/mile or min/km) and vice versa, also shows equivalent finish times for 5K, 10K, half-marathon, and marathon distances. - [Triathlon Pace Planner](https://top10k.com/tool/triathlon-pace-planner): Plans finish times and per-segment paces for triathlon (swim, T1, bike, T2, run) — supports Sprint, Olympic, Half, and Full Ironman distances. - [Trolling Speed Calculator](https://top10k.com/tool/trolling-speed-calculator): Convert a target trolling speed through the water into the GPS speed over ground to hold in slack, following, or opposing along-track current. - [Valorant Headshot Percentage Calculator](https://top10k.com/tool/valorant-headshot-percentage): Calculate your Valorant headshot percentage from headshot kills and total kills, with a rating scale showing how the result compares to typical rank tiers. - [VAM Climbing Calculator](https://top10k.com/tool/vam-climbing-calculator): Calculates VAM (Velocità Ascensionale Media) — average ascent speed in meters per hour — for cycling climbs. Also estimates power-to-weight from VAM and gradient. - [VO2 Max from Race Time Calculator](https://top10k.com/tool/vo2-from-race-calculator): Estimates VO2 max from a race finish time and distance using the Jack Daniels VDOT method. - [Volleyball Hitting Percentage Calculator](https://top10k.com/tool/volleyball-hitting-percentage): Calculates a volleyball hitter's attack (hitting) percentage from kills, errors, and total attempts using the standard formula (Kills - Errors) / Total Attempts, with grade context by level. - [Watts Per Kg Calculator](https://top10k.com/tool/watts-per-kg-calculator): Calculates cycling power-to-weight ratio (W/kg) from FTP or peak power and body weight. Shows training category, all standard power durations, and unit conversion. - [Wilks Score Calculator](https://top10k.com/tool/wilks-score-calculator): Calculate the Wilks coefficient score to compare powerlifting totals across different body weights and sexes. Used in competitions to rank lifters on a level playing field. - [Bullet Wind Drift Calculator](https://top10k.com/tool/wind-drift-calculator) - [Yards per Carry Calculator](https://top10k.com/tool/yards-per-carry-calculator): Calculate yards per carry (YPC) from rushing yards and attempts. Compare two players or games side by side. ## Engineering Tools (582) - [3D Print Filament Calculator](https://top10k.com/tool/3d-print-filament-calculator): Calculate filament length, weight, and estimated cost for 3D printing projects given object volume, infill percentage, filament diameter, and material density. - [Acceleration Profile Helper](https://top10k.com/tool/acceleration-profile-helper): Compute trapezoidal motion profiles for robotics and automation — acceleration time, peak velocity, distance, and jerk for a move. - [Active Earth Pressure Calculator](https://top10k.com/tool/active-earth-pressure): Calculate Rankine active earth pressure coefficient (Ka) and lateral earth pressure on a retaining wall given soil friction angle and surcharge load. - [Activity To Dose Converter](https://top10k.com/tool/activity-to-dose): Converts radioactive activity (Becquerel/Curie) to radiation dose (Sievert/Rem) using dose conversion factors for nuclear engineering and radiation protection. - [Air Quality Index Calculator](https://top10k.com/tool/air-quality-index-calculator) - [Aluminum Angle Weight Calculator](https://top10k.com/tool/aluminum-angle-weight): Calculates the weight of an aluminum angle (L-section) bar given leg dimensions, thickness, and length. - [Aluminum Beam Weight Calculator](https://top10k.com/tool/aluminum-beam-weight): Calculates the weight of an aluminum I-beam or rectangular beam given its dimensions and length using aluminum density (2700 kg/m³). - [Aluminum Channel Weight Calculator](https://top10k.com/tool/aluminum-channel-weight): Calculates the weight of aluminum C-channel sections given web height, flange width, wall thickness, length, and alloy density. - [Aluminum Flat Bar Weight Calculator](https://top10k.com/tool/aluminum-flat-bar-weight): Calculates the weight of an aluminum flat bar given width, thickness, and length using aluminum density (2.70 g/cm³). - [Aluminum Hexagon Bar Weight Calculator](https://top10k.com/tool/aluminum-hexagon-bar-weight): Calculates the weight of an aluminum hexagonal bar given the across-flats (AF) dimension and length using aluminum alloy densities. Formula: Area = (√3/2) × AF². - [Aluminum Pipe Weight Calculator](https://top10k.com/tool/aluminum-pipe-weight): Calculates the weight of an aluminum pipe given outer diameter, wall thickness, and length. Supports multiple alloy grades and both metric and imperial units. - [Aluminum Plate Weight Calculator](https://top10k.com/tool/aluminum-plate-weight): Calculates the weight of an aluminum plate given its length, width, thickness, and alloy density. Supports metric and imperial units with common alloy presets. - [Aluminum Round Bar Weight Calculator](https://top10k.com/tool/aluminum-round-bar-weight): Calculates the weight of an aluminum round bar given its diameter and length, supporting multiple aluminum alloy grades with their exact densities. - [Aluminum Round Tube Weight Calculator](https://top10k.com/tool/aluminum-round-tube-weight): Calculates the weight of an aluminum round tube given outer diameter, wall thickness, and length. - [Aluminum Sheet Weight Calculator](https://top10k.com/tool/aluminum-sheet-weight): Calculates the weight of an aluminum sheet given length, width, and thickness using aluminum density (2.70 g/cm³); supports metric and imperial units. - [Aluminum Square Bar Weight Calculator](https://top10k.com/tool/aluminum-square-bar-weight): Calculates the weight of aluminum square bars given side length and bar length using aluminum alloy densities (2700 kg/m³ for standard grades). - [Aluminum Square Tube Weight Calculator](https://top10k.com/tool/aluminum-square-tube-weight): Calculates the weight of an aluminum square tube given side size, wall thickness, and length. - [Aluminum Tube Weight Calculator](https://top10k.com/tool/aluminum-tube-weight): Calculates the weight of aluminum round tubes given outer diameter, wall thickness, and length. 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Supports nominal mixes (1:2:4, 1:1.5:3) and custom ratios. Results in kg and bags. - [Concrete Pipe Weight Calculator](https://top10k.com/tool/concrete-pipe-weight): Estimate concrete and reinforced concrete pipe (RCP) barrel weight from inside diameter and wall thickness or outer diameter. Get total mass and weight per foot or metre. - [Concrete Plate Weight Calculator](https://top10k.com/tool/concrete-plate-weight): Calculates the weight of a rectangular concrete plate given length, width, thickness, and concrete density (default 2400 kg/m³). - [Concrete Round Bar Weight Calculator](https://top10k.com/tool/concrete-round-bar-weight): Calculates the weight of a concrete round bar given diameter, length, and density. Supports metric and imperial units with custom density input. - [Concrete Round Tube Weight Calculator](https://top10k.com/tool/concrete-round-tube-weight): Calculate the weight of a hollow circular concrete tube section given outer diameter, wall thickness, and length. 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Formula: Weight (kg) = width × thickness × length × density, where cop… - [Copper Hexagon Bar Weight Calculator](https://top10k.com/tool/copper-hexagon-bar-weight): Calculate the weight of a copper hexagon bar given the across-flats (AF) dimension and length. Supports multiple copper alloys and metric/imperial unit input. Formula: Area = (√3/2) × AF²; Density … - [Copper Pipe Weight Calculator](https://top10k.com/tool/copper-pipe-weight): Calculates the weight of a copper pipe given outer diameter, wall thickness, and length, using copper density of 8,960 kg/m³. - [Copper Plate Weight Calculator](https://top10k.com/tool/copper-plate-weight): Calculates the weight of a copper plate given length, width, and thickness, using copper density of 8,960 kg/m³ with metric and imperial unit support. - [Copper Round Bar Weight Calculator](https://top10k.com/tool/copper-round-bar-weight): Calculates the weight of a copper round bar given its diameter and length using copper density (8960 kg/m³). - [Copper Round Tube Weight Calculator](https://top10k.com/tool/copper-round-tube-weight): Calculates the weight of copper round tubing given outer diameter, wall thickness, and length using copper density (8960 kg/m³). - [Copper Sheet Weight Calculator](https://top10k.com/tool/copper-sheet-weight): Calculate the weight of a copper sheet from its length, width, and thickness using copper density of 8,960 kg/m³. Supports metric and imperial units. - [Copper Square Bar Weight Calculator](https://top10k.com/tool/copper-square-bar-weight): Calculates the weight of a copper square bar given side length and bar length using copper density (8960 kg/m³). - [Copper Square Tube Weight Calculator](https://top10k.com/tool/copper-square-tube-weight): Calculates the weight of a copper square hollow tube given outer size, wall thickness, and length. - [Copper Tube Weight Calculator](https://top10k.com/tool/copper-tube-weight): Calculates the weight of copper tubes given outer diameter, wall thickness, and length, using copper density of 8,960 kg/m³. Supports ACR, HVAC, and general copper tube sizes. - [Corrosion Rate Calculator](https://top10k.com/tool/corrosion-rate-calculator): Calculates metal corrosion rate in mils per year (mpy) or mm/year using the weight loss method. Enter weight loss, metal density, exposed area, and exposure time to get corrosion rate instantly. - [Cp Process Capability Ratio Calculator](https://top10k.com/tool/cp-process-capability) - [Cpk Process Capability Index Calculator](https://top10k.com/tool/cpk-process-capability) - [Crank Mechanism Calculator](https://top10k.com/tool/crank-mechanism-calculator): Calculates piston position, velocity, and acceleration for a slider-crank mechanism given crank radius, connecting rod length, and crank angle. - [Creep Rate Calculator](https://top10k.com/tool/creep-rate-calculator): Calculates steady-state creep rate of materials using Norton's power law (creep rate = A * sigma^n * exp(-Q/RT)); useful for materials science and mechanical engineering. - [Critical Speed of a Shaft Calculator](https://top10k.com/tool/critical-speed-shaft): Calculates the first critical (whirling) speed of a rotating shaft using Rayleigh's method or simply supported/cantilever beam natural frequency formulas. - [Crusher Reduction Ratio](https://top10k.com/tool/crusher-reduction-ratio) - [Horizontal Curve Radius Calculator](https://top10k.com/tool/curve-radius-calculator): Calculate the radius of a horizontal road or railway curve from degree of curve, or convert radius to degree of curve. Uses the arc definition formula R = 5729.578 / D from highway and railway surv… - [Curve Superelevation Calculator](https://top10k.com/tool/curve-superelevation): Calculates road curve superelevation (banking angle) required for a given design speed and horizontal curve radius, following AASHTO and highway engineering standards. - [Cut and Fill Volume Calculator](https://top10k.com/tool/cut-and-fill-volume): Estimates earthwork cut and fill volumes for grading projects using the average end area method, helping civil engineers and surveyors balance earthwork quantities. - [Cut Off Grade Calculator](https://top10k.com/tool/cut-off-grade-calculator): Calculates the break-even cut-off grade for a mining operation based on operating costs, metal price, recovery, and smelter terms. - [Cycle Time Calculator](https://top10k.com/tool/cycle-time-calculator): Calculate manufacturing cycle time, throughput rate, takt time, and process efficiency from production time and unit count for industrial engineering and lean manufacturing. - [Damped Frequency Calculator](https://top10k.com/tool/damped-frequency-calc): Calculate the damped natural frequency of a vibrating system from its undamped natural frequency and damping ratio. - [Damping Ratio Calculator](https://top10k.com/tool/damping-ratio-calculator): Calculate the damping ratio (zeta) of a mechanical system from damping coefficient, mass, and spring stiffness. Determines if a system is underdamped, critically damped, or overdamped. - [Damping Ratio Control](https://top10k.com/tool/damping-ratio-control): Calculates the damping ratio and system response classification (underdamped, critically damped, overdamped) for second-order control systems. - [Darcy Flow Reservoir Calculator](https://top10k.com/tool/darcy-flow-reservoir): Applies Darcy's Law for porous media to calculate fluid flow rate through a petroleum reservoir, supporting both linear and radial (steady-state) flow regimes with inputs for permeability, viscosit… - [Defibrillator Energy Calculator](https://top10k.com/tool/defibrillator-energy): Calculates defibrillation energy (joules), charge, and peak current for biphasic and monophasic waveforms given capacitance, voltage, and patient impedance. - [Density of Alloy Calculator](https://top10k.com/tool/density-of-alloy-calculator): Computes the density of a binary or multi-component alloy from the weight fractions and densities of each constituent element using the rule of mixtures. - [Detention Time Calculator](https://top10k.com/tool/detention-time-calculator): Calculates hydraulic detention time (HRT = Volume / Flow rate) for water and wastewater treatment tanks and sedimentation basins. Supports multiple volume and flow-rate unit combinations. - [DH Parameter Helper](https://top10k.com/tool/dh-parameter-helper): Calculate and visualize Denavit-Hartenberg (DH) parameters for robotic arm joint transformations. Enter joint parameters and get the 4x4 homogeneous transformation matrix. - [Differential Drive Kinematics Calculator](https://top10k.com/tool/differential-drive-kinematics): Calculates linear velocity, angular velocity, turning radius, and ICC (instantaneous center of curvature) for a differential-drive robot from left/right wheel speeds, wheel radius, and axle width. - [Dipole Antenna Calculator](https://top10k.com/tool/dipole-antenna-calculator): Calculates the total length and each element length of a half-wave dipole antenna given the operating frequency. - [Ship Displacement Tonnage Calculator](https://top10k.com/tool/displacement-tonnage): Estimate vessel displacement at an entered draft from LBP, breadth, block coefficient, and water density; optionally derive lightweight from matching-condition deadweight. - [Dissolved Oxygen Saturation Calculator](https://top10k.com/tool/do-saturation-calculator) - [Doppler Shift Radar Calculator](https://top10k.com/tool/doppler-shift-radar): Calculates the Doppler frequency shift for radar systems to determine target velocity from transmitted and received frequencies, supporting police radar, weather radar, and speed gun applications. - [DPMO Calculator](https://top10k.com/tool/dpmo-calculator) - [Drag Polar Calculator](https://top10k.com/tool/drag-polar-calculator): Calculate lift coefficient (CL) and drag coefficient (CD) from the aircraft drag polar equation (CD = CD0 + k·CL²) and plot the full drag polar curve. - [Drainage Fixture Units](https://top10k.com/tool/drainage-fixture-units): Calculates total drainage fixture unit (DFU) load for sizing drain pipes per IPC/UPC plumbing codes. - [Blast Drill Pattern Calculator](https://top10k.com/tool/drill-pattern-calculator): Estimates preliminary blast drill pattern geometry, explosive charge per hole, broken-rock volume, and volumetric and mass powder factors for surface mining. - [Duct Friction Loss Calculator](https://top10k.com/tool/duct-friction-loss): Calculates pressure drop (friction loss) in HVAC rectangular or round ducts using the Darcy-Weisbach equation and Colebrook-White friction factor. - [Duct Velocity Calculator](https://top10k.com/tool/duct-velocity-calculator): Calculates HVAC duct air velocity (FPM) and pressure drop from airflow (CFM) and duct dimensions for round or rectangular ducts, including friction loss per 100 ft. - [Earthwork Cut and Fill Calculator](https://top10k.com/tool/earthwork-cut-fill): Calculate earthwork cut and fill volumes for construction site grading using the average end area method across multiple stations. - [Effective Dose Calculator](https://top10k.com/tool/effective-dose-calc): Converts absorbed radiation dose to effective dose in millisieverts (mSv) by applying radiation and tissue weighting factors per ICRP 103. - [EIRP Calculator](https://top10k.com/tool/eirp-calculator): Calculates Effective Isotropic Radiated Power (EIRP) from transmit power, cable loss, and antenna gain values used in RF and wireless system design. - [Encoder Resolution Calculator](https://top10k.com/tool/encoder-resolution-calc) - [Process Energy Balance Calculator](https://top10k.com/tool/energy-balance-calculator): Calculate the energy balance for a process stream using enthalpy inputs and outputs. Computes Q = H_out - H_in, net heat duty, and efficiency for single or multi-stream systems. - [Energy Cost Calculator](https://top10k.com/tool/energy-cost-calculator) - [EOQ Industrial Calculator](https://top10k.com/tool/eoq-industrial): Calculates the Economic Order Quantity (EOQ) for industrial inventory management — minimizes total ordering plus holding costs given annual demand, order cost, and holding cost per unit. - [Euler Buckling Load Calculator](https://top10k.com/tool/euler-buckling-load): Calculates the critical buckling load for columns using Euler's formula given material and geometry properties. - [Fabric Drape Estimator](https://top10k.com/tool/fabric-drape-estimator): Estimates textile drapeability and stiffness from fabric weight and weave type for garment design (not curtain yardage). - [Fabric Shrinkage Calculator](https://top10k.com/tool/fabric-shrinkage-calculator) - [Factor of Safety Slope Calculator](https://top10k.com/tool/factor-of-safety-slope): Calculates the factor of safety for slope stability using the Ordinary (Fellenius) method of slices for circular failure surfaces in geotechnical engineering. - [Fan Power Calculator](https://top10k.com/tool/fan-power-calculator): Calculate fan shaft power from airflow rate, static pressure, and fan efficiency using P = (Q × ΔP) / η. Supports metric (m³/s, Pa, kW) and imperial (CFM, in. w.g., HP) units. - [Fault Current Calculator](https://top10k.com/tool/fault-current-calc): Calculates three-phase and single-line-to-ground fault currents in a power system given source voltage, transformer MVA rating, and percent impedance. - [Fire Flow Required Calculator](https://top10k.com/tool/fire-flow-required): Estimates the required fire flow (gpm) for a building using the NFF (Needed Fire Flow) formula based on construction type, floor area, and occupancy. - [Fire Resistance Rating](https://top10k.com/tool/fire-resistance-rating): Determines required fire resistance ratings for structural elements by construction type per IBC Table 601, with occupancy-specific building code notes. - [First Pass Yield (FPY) Calculator](https://top10k.com/tool/first-pass-yield) - [Fixture Unit Calculator](https://top10k.com/tool/fixture-unit-calculator): Calculates drainage fixture units (DFU) and water supply fixture units (WSFU) for preliminary plumbing schedules per baseline IPC and UPC values. - [Flame Spread Index Classifier](https://top10k.com/tool/flame-spread-index): Interpret reported ASTM E84 or UL 723 flame-spread and smoke-developed indices using Class A, B, and C thresholds for interior wall and ceiling finishes. - [Flywheel Energy Calculator](https://top10k.com/tool/flywheel-energy-calculator) - [Flywheel Inertia Calculator](https://top10k.com/tool/flywheel-inertia-calculator) - [Formation Volume Factor Calculator](https://top10k.com/tool/formation-volume-factor): Calculates petroleum formation volume factor (Bo for oil, Bg for gas) — the ratio of reservoir volume to surface volume — used in reservoir engineering to convert between reservoir and surface cond… - [Forward Kinematics 2DOF](https://top10k.com/tool/forward-kinematics-2dof): Computes the end-effector (x, y) position of a 2-link planar robot arm given joint angles theta1, theta2, and link lengths. - [Foundation Load Calculator](https://top10k.com/tool/foundation-load-calculator): Calculate total vertical load on a building foundation from dead load, live load, snow load, and self-weight of the foundation. Used in structural and civil engineering design. - [Free Space Path Loss Calculator](https://top10k.com/tool/free-space-path-loss): Calculates the attenuation of a radio signal traveling through free space given frequency and distance (Friis transmission equation). - [Gain Margin Calculator](https://top10k.com/tool/gain-margin-calculator): Calculates the gain margin of a feedback control system from the open-loop gain at the phase crossover frequency, with stability assessment and dB conversion. - [Garment Size Grader](https://top10k.com/tool/garment-size-grader): Calculates graded garment measurements across sizes by applying standard grading increments to a base size pattern. - [Gas Flow Rate Calculator](https://top10k.com/tool/gas-flow-rate-calculator): Calculates volumetric and mass flow rates of gases through pipes using the ideal gas law and flow parameters including pressure, temperature, pipe diameter, and gas type. - [Gas Oil Ratio Calculator](https://top10k.com/tool/gas-oil-ratio-calc): Calculates the gas-to-oil mixing ratio for two-stroke engines, helping users determine correct fuel mixture amounts in standard and metric units. - [Gear Reduction Calculator (Robotics)](https://top10k.com/tool/gear-reduction-robot): Calculate gear reduction ratio, output shaft speed (RPM), and output torque for robotics and servo applications given driver and driven tooth counts plus input motor specs. - [Gear Tooth Calculator](https://top10k.com/tool/gear-tooth-calculator): Calculate spur gear parameters including pitch diameter, addendum, dedendum, whole depth, outside diameter, root diameter, and circular pitch from the number of teeth and module. - [Generator Size Calculator](https://top10k.com/tool/generator-size-calculator): Calculates the required generator size (kVA/kW) based on total electrical load, power factor, and startup surge factor. - [Glass Angle Weight Calculator](https://top10k.com/tool/glass-angle-weight): Calculate the weight of a glass angle bar (L-section) given leg lengths, thickness, and bar length using glass density of 2500 kg/m³. - [Glass Beam Weight Calculator](https://top10k.com/tool/glass-beam-weight): Calculate the weight of a rectangular glass beam by entering its width, height, length, and glass density. Returns weight in kilograms and pounds with a full dimensional breakdown. - [Glass Channel Weight Calculator](https://top10k.com/tool/glass-channel-weight): Calculates the weight of a glass U-channel (C-section) given flange width, web height, thickness, and length, using glass density (2500 kg/m³). - [Glass Flat Bar Weight Calculator](https://top10k.com/tool/glass-flat-bar-weight): Calculates the weight of a glass flat bar given its width, thickness, length, and glass density (standard float glass: 2.50 g/cm³). - [Glass Hexagon Bar Weight Calculator](https://top10k.com/tool/glass-hexagon-bar-weight): Calculates the weight of a glass hexagonal bar given its across-flats dimension, length, and glass density. Formula: Area = (√3/2) × AF². - [Glass Pipe Weight Calculator](https://top10k.com/tool/glass-pipe-weight): Calculates the weight of a hollow glass pipe given its outer diameter, wall thickness, length, and glass density. Supports borosilicate, soda-lime, quartz, and custom glass types. - [Glass Plate Weight Calculator](https://top10k.com/tool/glass-plate-weight): Calculate the weight of a flat glass plate by entering its dimensions and selecting the glass type. Supports common glass types including float, tempered, laminated, and frosted. - [Glass Round Bar Weight Calculator](https://top10k.com/tool/glass-round-bar-weight): Calculates the weight of a solid glass round bar given diameter and length, using glass density. - [Glass Round Tube Weight Calculator](https://top10k.com/tool/glass-round-tube-weight): Calculates the weight of a hollow glass round tube from outer diameter, wall thickness, length, and glass density, in kilograms and pounds. - [Glass Sheet Weight Calculator](https://top10k.com/tool/glass-sheet-weight): Calculates the weight of a flat glass sheet given its dimensions (length, width, thickness) and glass type density. - [Glass Square Bar Weight Calculator](https://top10k.com/tool/glass-square-bar-weight): Calculates the weight of a solid glass square bar given side length and bar length, using glass density. - [Glass Square Tube Weight Calculator](https://top10k.com/tool/glass-square-tube-weight): Calculate the weight of a hollow square glass tube given outer side length, wall thickness, and tube length. Uses standard glass density of 2500 kg/m³. - [Glass Tube Weight Calculator](https://top10k.com/tool/glass-tube-weight): Calculates the weight of a rectangular (square) hollow glass tube given outer dimensions, wall thickness, length, and glass density. Outputs mass in kg and lbs. - [Grain Size Number](https://top10k.com/tool/grain-size-number): Convert between ASTM grain size number G, grains per unit area, mean planar area, and area-derived linear grain size. - [Half-Value Layer Calculator](https://top10k.com/tool/half-value-layer): Calculates ideal narrow-beam half-value layer (HVL), tenth-value layer (TVL), and attenuation from a coefficient, known HVL, or two-point beam measurement. - [Haul Cycle Time Calculator](https://top10k.com/tool/haul-cycle-time): Calculates mining truck haul cycle time from haul distance, speed, grade, spot and load time, and dump time; then derives fleet productivity (tonnes/hour), number of trucks needed for a target prod… - [Transit Headway Calculator](https://top10k.com/tool/headway-calculator): Calculates transit headway (time between vehicles), required fleet size, and passenger wait time from route length, speed, and desired frequency; used in bus and rail transit planning. - [Heat Duty Calculator](https://top10k.com/tool/heat-duty-calculator): Calculates heat duty (Q = m × Cp × ΔT) for heating or cooling a process stream. Used in chemical and process engineering to size heat exchangers and process heaters. - [Heat Exchanger Calculator](https://top10k.com/tool/heat-exchanger-calculator): Calculates heat transfer rate, Log Mean Temperature Difference (LMTD), and required heat transfer surface area for counterflow and parallel-flow heat exchangers. - [Heat Treatment Calculator](https://top10k.com/tool/heat-treatment-calculator): Estimates austenitizing temperatures, soaking guidance, quench media, and tempering temperatures for common carbon, alloy, and tool steel grades based on target hardness. - [Horizontal Distance Calculator](https://top10k.com/tool/horizontal-distance-calculator): Calculates horizontal distance from slope distance and vertical angle (surveying / trigonometry). Supports zenith angle, elevation angle, and gradient inputs. - [Horsepower to Amps Calculator](https://top10k.com/tool/horsepower-to-amps): Converts horsepower to amperes for AC (single-phase and three-phase) and DC circuits given voltage and efficiency. - [Horsepower to Joules Calculator](https://top10k.com/tool/horsepower-to-joules): Converts horsepower-hours (hp·h) or horsepower-seconds (hp·s) to joules and other energy units. Supports mechanical, metric, and electrical horsepower variants. - [Horsepower to Kilowatt Hours Calculator](https://top10k.com/tool/horsepower-to-kilowatt-hours): Converts mechanical power in horsepower (hp) and a time duration in hours to energy in kilowatt-hours (kWh) for electrical and mechanical engineering use cases. - [Horsepower to Kilowatts Calculator](https://top10k.com/tool/horsepower-to-kilowatts): Converts mechanical horsepower (hp) to kilowatts (kW). Also handles electric hp and metric hp (PS/CV) conversions. - [Horsepower to kVA Calculator](https://top10k.com/tool/horsepower-to-kva): Convert motor horsepower (HP) to kilovolt-amperes (kVA) using efficiency and power factor inputs. - [Horsepower to Ohms Calculator](https://top10k.com/tool/horsepower-to-ohms): Converts mechanical horsepower to electrical resistance in ohms given voltage and efficiency. - [Horsepower to Volts Calculator](https://top10k.com/tool/horsepower-to-volts): Solves theoretical steady-state voltage from mechanical horsepower, measured current, efficiency and AC power factor for DC, single-phase and balanced three-phase circuits. - [Hull Speed Calculator](https://top10k.com/tool/hull-speed-calculator): Calculates the theoretical hull speed of a displacement boat based on its waterline length using the formula: hull speed (knots) = 1.34 × √(LWL in feet). - [HVAC Cooling Load Calculator](https://top10k.com/tool/hvac-cooling-load): Estimates residential and commercial HVAC cooling load in BTU/hr, tons of refrigeration, and kW based on room area, ceiling height, insulation quality, occupancy, and climate zone. - [HVAC Heating Load Calculator](https://top10k.com/tool/hvac-heating-load): Estimates residential heating load in BTU/hr using room dimensions, insulation quality, and outdoor design temperature. - [Hydraulic Cylinder Force Calculator](https://top10k.com/tool/hydraulic-cylinder-force): Calculate the extend (push) and retract (pull) force of a hydraulic cylinder from bore diameter, rod diameter, and operating pressure using F = P × A. - [Hydraulic Demand Fire Sprinkler Calculator](https://top10k.com/tool/hydraulic-demand-fire): Calculates the hydraulic water flow demand for a fire sprinkler system design area and hose streams per NFPA 13. - [Hydrostatic Pressure Well Calculator](https://top10k.com/tool/hydrostatic-pressure-well) - [IDMT Tripping Time Calculator](https://top10k.com/tool/idmt-tripping-time-calculator): Calculate relay tripping time using Inverse Definite Minimum Time (IDMT) curves per IEC 60255 standard. Supports Standard Inverse, Very Inverse, Extremely Inverse, and Long-Time Inverse curves. - [Inductor Color Code Calculator](https://top10k.com/tool/inductor-color-code-calculator) - [Inverse Kinematics 2DOF](https://top10k.com/tool/inverse-kinematics-2dof): Solves the inverse kinematics of a 2-link planar robot arm — computes joint angles theta1 and theta2 for a desired end-effector (x, y) position. - [Iron Angle Weight Calculator](https://top10k.com/tool/iron-angle-weight): Calculates the weight of iron/steel equal-leg angle bar sections from leg size, thickness, and length. - [Iron Beam Weight Calculator](https://top10k.com/tool/iron-beam-weight): Calculates the weight of structural iron/steel I-beams and H-beams by section profile and length. - [Iron Channel Weight Calculator](https://top10k.com/tool/iron-channel-weight): Calculates the weight of standard C-channel (UPN) and U-channel steel/iron sections by length and quantity. - [Iron Flat Bar Weight Calculator](https://top10k.com/tool/iron-flat-bar-weight): Calculates the weight of an iron flat bar given width, thickness, and length using iron density (7.87 g/cm³). Supports metric and imperial units. - [Iron Hexagon Bar Weight Calculator](https://top10k.com/tool/iron-hexagon-bar-weight): Calculates the weight of an iron or steel hexagonal bar given the across-flats size and length, using standard density formulas. - [Iron Pipe Weight Calculator](https://top10k.com/tool/iron-pipe-weight): Calculate theoretical straight-barrel pipe weight from outer diameter, wall thickness, length, quantity, and material density. Results exclude hubs, bells, linings, coatings, joints, fittings, and … - [Iron Plate Weight Calculator](https://top10k.com/tool/iron-plate-weight): Calculates the weight of a rectangular iron or mild steel plate given length, width, and thickness, with material density options and metric/imperial unit support. - [Iron Round Bar Weight Calculator](https://top10k.com/tool/iron-round-bar-weight): Calculate the weight of a cast iron or wrought iron round bar given diameter and length. Supports metric and imperial units with instant results in kg and lbs. - [Iron Round Tube Weight Calculator](https://top10k.com/tool/iron-round-tube-weight): Calculates the weight of a hollow round (circular) iron tube given outer diameter, wall thickness, and length. - [Iron Sheet Weight Calculator](https://top10k.com/tool/iron-sheet-weight): Calculates the weight of a flat iron or mild steel sheet given its length, width, and thickness, with metric and imperial unit support. - [Iron Square Bar Weight Calculator](https://top10k.com/tool/iron-square-bar-weight): Calculates the weight of an iron square bar given side dimension and length, with unit selection. - [Iron Square Tube Weight Calculator](https://top10k.com/tool/iron-square-tube-weight): Calculates the weight of a hollow square iron tube given outer side length, wall thickness, and tube length using iron density 7874 kg/m³. - [Iron Tube Weight Calculator](https://top10k.com/tool/iron-tube-weight): Calculate the weight of a hollow square or rectangular iron (steel) tube given outer dimensions, wall thickness, and length. - [Vibration Isolation Efficiency Calculator](https://top10k.com/tool/isolation-efficiency) - [IV Pump Flow Rate Calculator](https://top10k.com/tool/iv-pump-flow-biomed): Calculates IV infusion flow rate (mL/hr and drops/min) from volume, duration, and drop factor for clinical biomedical engineering. - [Joules to Amps Calculator](https://top10k.com/tool/joules-to-amps) - [Joules to Horsepower Calculator](https://top10k.com/tool/joules-to-horsepower): Converts power in joules per second (watts) to mechanical, electrical, or metric horsepower. Enter any J/s or watt value to get instant results in all three standards. - [Joules to Kilowatt Hours Calculator](https://top10k.com/tool/joules-to-kilowatt-hours): Convert energy values from joules (J) to kilowatt-hours (kWh) instantly. Uses the exact conversion factor: 1 kWh = 3,600,000 J. - [Joules to Kilowatts Calculator](https://top10k.com/tool/joules-to-kilowatts): Converts energy in joules to power in kilowatts given time in seconds (kW = J / (t × 1000)). - [Joules to kVA Calculator](https://top10k.com/tool/joules-to-kva): Converts energy in joules to apparent power in kilovolt-amperes given a time period and power factor. - [Joules to Ohms Calculator](https://top10k.com/tool/joules-to-ohms) - [Joules to Volts Calculator](https://top10k.com/tool/joules-to-volts): Convert energy in joules to voltage in volts given charge in coulombs using the formula V = E / Q. Instant, accurate, client-side calculation. - [Joules to Watts Calculator](https://top10k.com/tool/joules-to-watts) - [Keyway Size Calculator](https://top10k.com/tool/keyway-size-calculator): Look up preliminary nominal parallel-key sizes and shaft-keyseat depths by shaft-diameter range using inch or metric reference tables, with explicit edition and verification guidance. - [Kick Tolerance Calculator](https://top10k.com/tool/kick-tolerance-calc): Calculate the maximum kick volume (influx) a wellbore can tolerate before exceeding casing shoe fracture pressure during well control operations. - [Kilowatt Hours to Amps Calculator](https://top10k.com/tool/kilowatt-hours-to-amps): Converts kilowatt-hours (kWh) to amps given voltage and time, useful for electrical load calculations. - [Kilowatt Hours to Horsepower Calculator](https://top10k.com/tool/kilowatt-hours-to-horsepower): Converts energy in kilowatt-hours to an equivalent average horsepower over a specified time period. - [Kilowatt Hours to Joules Calculator](https://top10k.com/tool/kilowatt-hours-to-joules) - [Kilowatt Hours to Kilowatts Calculator](https://top10k.com/tool/kilowatt-hours-to-kilowatts): Converts energy in kilowatt-hours (kWh) to average power in kilowatts (kW) given a time period in hours using the formula kW = kWh / hours. - [Kilowatt Hours to kVA Calculator](https://top10k.com/tool/kilowatt-hours-to-kva): Converts energy in kilowatt-hours to apparent power in kilovolt-amperes given time and power factor. - [Kilowatt Hours to Ohms Calculator](https://top10k.com/tool/kilowatt-hours-to-ohms) - [Kilowatt Hours to Volts Calculator](https://top10k.com/tool/kilowatt-hours-to-volts): Calculate voltage from kilowatt-hours (energy), current in amps, and time in hours using V = (kWh × 1000) / (A × h). Useful for electrical engineering, battery sizing, and power system analysis. - [Kilowatt Hours to Watts Calculator](https://top10k.com/tool/kilowatt-hours-to-watts): Converts kilowatt-hours (kWh) to watts (W) given a time period in hours. - [Kilowatts to Amps Calculator](https://top10k.com/tool/kilowatts-to-amps): Converts kilowatts to amperes for DC, single-phase AC, and three-phase AC circuits given voltage and power factor. - [Kilowatts to Horsepower Calculator](https://top10k.com/tool/kilowatts-to-horsepower): Converts kilowatts to mechanical horsepower (hp) and electric horsepower with clear formulas. - [Kilowatts to Joules Calculator](https://top10k.com/tool/kilowatts-to-joules): Converts power in kilowatts and time in seconds to energy in joules using E = P × t × 1000. - [Kilowatts to Kilowatt Hours Calculator](https://top10k.com/tool/kilowatts-to-kilowatt-hours): Converts power in kilowatts (kW) and time in hours to energy in kilowatt-hours (kWh) using the formula kWh = kW × hours. - [Kilowatts to kVA Calculator](https://top10k.com/tool/kilowatts-to-kva): Converts real power in kilowatts to apparent power in kilovolt-amperes using power factor. - [Kilowatts to Ohms Calculator](https://top10k.com/tool/kilowatts-to-ohms) - [Kilowatts to Volts Calculator](https://top10k.com/tool/kilowatts-to-volts) - [Kilowatts to Watts Calculator](https://top10k.com/tool/kilowatts-to-watts): Converts kilowatts to watts instantly (1 kW = 1000 W) with a clean bidirectional converter and power reference table. - [kVA to Amps Calculator](https://top10k.com/tool/kva-to-amps): Converts kilovolt-amperes (kVA) to amperes (A) for single-phase and three-phase electrical systems. - [kVA to Horsepower Calculator](https://top10k.com/tool/kva-to-horsepower): Converts kilovolt-amperes (kVA) to horsepower (HP) using HP = (kVA × 1000 × power factor) / 745.7 - [kVA to Joules Calculator](https://top10k.com/tool/kva-to-joules): Converts kilovolt-amperes (kVA) to joules (J) given a time period in seconds, using J = kVA × 1000 × power factor × time. - [kVA to Kilowatt Hours Calculator](https://top10k.com/tool/kva-to-kilowatt-hours): Converts kilovolt-amperes (kVA) to kilowatt-hours (kWh) given a time duration, using kWh = kVA × power factor × hours - [kVA to Kilowatts Calculator](https://top10k.com/tool/kva-to-kilowatts) - [kVA to Ohms Calculator](https://top10k.com/tool/kva-to-ohms) - [kVA to Volts Calculator](https://top10k.com/tool/kva-to-volts): Converts apparent power in kilovolt-amperes (kVA) to voltage in volts (V) given current in amps. Supports single-phase (V = (kVA × 1000) / I) and three-phase (V = (kVA × 1000) / (I × √3)) calculati… - [kVA to Watts Calculator](https://top10k.com/tool/kva-to-watts): Converts apparent power in kilovolt-amperes (kVA) to real power in watts (W) using power factor. Useful for electrical engineers, facility managers, and generator sizing. - [kWh Cost Calculator](https://top10k.com/tool/kwh-cost-calculator): Calculate the electricity cost of running any appliance by entering its wattage, daily hours of use, and your utility rate per kWh. - [Landfill Gas Calculator](https://top10k.com/tool/landfill-gas-calculator): Estimates landfill gas (LFG) generation rate and energy potential from organic waste decomposition using the first-order decay model. - [Laplace Transform & Control System Helper](https://top10k.com/tool/laplace-control-helper) - [Lead Metal Weight Calculator](https://top10k.com/tool/lead-angle-weight): Calculates the geometric weight of solid lead rod, lead tube, or rectangular lead bar from dimensions, length, and density. - [Lead Beam Weight Calculator](https://top10k.com/tool/lead-beam-weight): Calculates the weight of a lead beam given its dimensions (length, width, height) using lead's density of 11,340 kg/m³, with outputs in kg and lbs. - [Lead Channel Weight Calculator](https://top10k.com/tool/lead-channel-weight): Calculate the weight of a lead (metal) C-channel section given its length, flange width, web height, and wall thickness. Returns weight in pounds and kilograms. - [Lead Flat Bar Weight Calculator](https://top10k.com/tool/lead-flat-bar-weight): Calculates the weight of a lead flat bar given width, thickness, and length; outputs kg and lb (lead density 11,340 kg/m³). - [Lead Hexagon Bar Weight Calculator](https://top10k.com/tool/lead-hexagon-bar-weight): Calculates the weight of a lead hexagonal bar given the across-flats distance and length using lead density of 11,340 kg/m³. Outputs weight in kg and lb. - [Lead Pipe Weight Calculator](https://top10k.com/tool/lead-pipe-weight): Calculates the weight of lead pipes given outer diameter, wall thickness, and length; outputs kg and lbs. - [Lead Plate Weight Calculator](https://top10k.com/tool/lead-plate-weight): Calculate the weight of a lead plate (rectangular slab) from length, width, and thickness. Outputs weight in kilograms and pounds using the standard lead density of 11,340 kg/m³. - [Lead Round Bar Weight Calculator](https://top10k.com/tool/lead-round-bar-weight): Calculates the weight of a lead round (circular) bar given its diameter and length, outputting results in kilograms and pounds. - [Lead Round Tube Weight Calculator](https://top10k.com/tool/lead-round-tube-weight): Calculates the weight of a lead hollow round tube given outer diameter, inner diameter, and length. - [Lead Sheet Weight Calculator](https://top10k.com/tool/lead-sheet-weight): Calculate the weight of a flat lead sheet given its length, width, and thickness. Returns mass in both kilograms and pounds using lead density of 11,340 kg/m³. - [Lead Square Bar Weight Calculator](https://top10k.com/tool/lead-square-bar-weight): Calculates the weight of a lead square bar given side length and bar length, outputting kg and lb. Uses lead density of 11,340 kg/m³. - [Lead Square Tube Weight Calculator](https://top10k.com/tool/lead-square-tube-weight): Calculates the weight of a lead hollow square tube given outer side, wall thickness, and length. - [Lead Tube Weight Calculator](https://top10k.com/tool/lead-tube-weight): Calculate the weight of a lead tube from its outer diameter, inner diameter, and length. Results in both kilograms and pounds. - [LED Resistor Calculator](https://top10k.com/tool/led-resistor-calculator): Calculates the correct series resistor value needed for an LED circuit given supply voltage, LED forward voltage, and LED current. - [Level of Service (LOS) Helper](https://top10k.com/tool/level-of-service-helper): Determines the HCM Level of Service (A–F) for signalized intersections based on average control delay per vehicle. - [Lift Coefficient Calculator](https://top10k.com/tool/lift-coefficient-calculator): Calculate the aerodynamic lift coefficient from lift force, air density, velocity, and wing reference area. - [Assembly Line Balancing Calculator](https://top10k.com/tool/line-balancing-calculator): Calculates cycle time, theoretical minimum workstations, line balancing efficiency, and balance delay for assembly line design given task times and production demand rate. - [Link Budget Calculator](https://top10k.com/tool/link-budget-calculator): Calculate RF link budget for wireless communication systems. Compute received power, link margin, and SNR from transmit power, antenna gains, frequency, and distance. - [Linkage Velocity Calculator](https://top10k.com/tool/linkage-velocity-calculator): Calculates input/output velocity ratios for four-bar and slider-crank mechanical linkage systems. - [Soil Liquefaction Potential Calculator](https://top10k.com/tool/liquefaction-potential): Assess earthquake-induced soil liquefaction potential using the Seed-Idriss simplified procedure. Compares cyclic stress ratio (CSR) to cyclic resistance ratio (CRR) to determine factor of safety. - [Little's Law Calculator](https://top10k.com/tool/little-law-calculator): Applies Little's Law (L = λW) to calculate throughput, cycle time, or work-in-progress for queuing systems. - [Logarithmic Decrement Calculator](https://top10k.com/tool/logarithmic-decrement): Calculate the logarithmic decrement and damping ratio of a freely oscillating mechanical system from consecutive amplitude measurements. - [Low-Pass Filter Calculator](https://top10k.com/tool/low-pass-filter-calculator): Calculate cutoff frequency, time constant, and component values for RC and RL low-pass filters. Supports both RC (resistor-capacitor) and RL (resistor-inductor) filter types. - [Manning Equation Calculator](https://top10k.com/tool/manning-equation-calculator): Calculates open-channel flow velocity and discharge using Manning's equation (V = (1/n) × R^(2/3) × S^(1/2)) for hydraulic engineering and drainage design. - [Mill Throughput Calculator](https://top10k.com/tool/mill-throughput-calc): Estimates grinding-mill throughput from net grinding power, Bond Work Index, feed F80, and product P80 using Bond’s third-law energy equation. - [Mine Dilution Calculator](https://top10k.com/tool/mine-dilution-calculator): Calculates ore dilution percentage and diluted grade in mining operations — measures the ratio of waste rock mixed into ore during extraction to assess grade loss. - [Moment of Inertia Beam Calculator](https://top10k.com/tool/moment-of-inertia-beam): Calculate second moment of area (I) for common beam cross-sections: rectangular, circular, I-beam, T-beam, and hollow rectangular. - [Motor RPM From Frequency](https://top10k.com/tool/motor-rpm-from-frequency): Calculates AC motor synchronous speed (RPM) from supply frequency and number of pole pairs, with slip compensation for induction motors. - [Drilling Mud Weight Calculator](https://top10k.com/tool/mud-weight-calculator) - [Natural Frequency of a Beam Calculator](https://top10k.com/tool/natural-frequency-beam): Calculates the fundamental natural frequency of a beam for simply supported, cantilever, and fixed-fixed boundary conditions given beam length, elastic modulus, second moment of area, and linear ma… - [Natural Frequency and Damping Ratio Calculator](https://top10k.com/tool/natural-frequency-control): Calculates the natural frequency, damped natural frequency, damping ratio, and system response type for a second-order control system from mass, spring constant, and damping coefficient. - [Nautical Distance Calculator](https://top10k.com/tool/nautical-distance-calculator): Calculate the great-circle distance between two geographic coordinates in nautical miles, kilometers, and statute miles using the Haversine formula. - [Neutron Flux Calculator](https://top10k.com/tool/neutron-flux-calculator): Calculates neutron flux density in a nuclear reactor from neutron density and average neutron velocity. - [Nickel Angle Weight Calculator](https://top10k.com/tool/nickel-angle-weight): Calculates the weight of a nickel alloy angle bar (L-section) given leg dimensions, thickness, and length. - [Nickel Beam Weight Calculator](https://top10k.com/tool/nickel-beam-weight): Calculate the weight of a nickel alloy I-beam or H-beam given flange width, web height, flange thickness, web thickness, beam length, and alloy density. - [Nickel Channel Weight Calculator](https://top10k.com/tool/nickel-channel-weight): Calculates the weight of a nickel (Ni 200/201) C-channel section given dimensions (web height, flange width, thickness, length) and density. - [Nickel Flat Bar Weight Calculator](https://top10k.com/tool/nickel-flat-bar-weight): Calculates the weight of a nickel alloy flat bar given width, thickness, and length using nickel density (8.90 g/cm³). - [Nickel Hexagon Bar Weight Calculator](https://top10k.com/tool/nickel-hexagon-bar-weight) - [Nickel Pipe Weight Calculator](https://top10k.com/tool/nickel-pipe-weight): Calculates the weight of nickel alloy pipe given outer diameter, wall thickness, and length using nickel density (8908 kg/m³). - [Nickel Plate Weight Calculator](https://top10k.com/tool/nickel-plate-weight): Calculate the weight of a nickel alloy plate from its dimensions. Uses nickel density of 8908 kg/m³. Supports metric (mm, cm, m) and imperial (inch, ft) inputs with kg and lb output. - [Nickel Round Bar Weight Calculator](https://top10k.com/tool/nickel-round-bar-weight): Calculates the weight of a nickel round bar given diameter and length, using nickel density (8908 kg/m³); supports metric and imperial units. - [Nickel Round Tube Weight Calculator](https://top10k.com/tool/nickel-round-tube-weight): Calculates the weight of a nickel alloy round tube given outer diameter, wall thickness, and length using the hollow-cylinder cross-section formula with nickel density (8908 kg/m³). - [Nickel Sheet Weight Calculator](https://top10k.com/tool/nickel-sheet-weight): Calculate the weight of a nickel alloy sheet from its length, width, and thickness using nickel's density of 8908 kg/m³. - [Nickel Square Bar Weight Calculator](https://top10k.com/tool/nickel-square-bar-weight): Calculate the weight of a nickel alloy square bar by entering its side length and bar length. Uses the standard nickel density of 8908 kg/m³. - [Nickel Square Tube Weight Calculator](https://top10k.com/tool/nickel-square-tube-weight): Calculates the weight of a nickel alloy square hollow tube given outer size, wall thickness, and length. - [Nickel Tube Weight Calculator](https://top10k.com/tool/nickel-tube-weight): Calculate the weight of nickel round tubes given outer diameter, wall thickness, and length. Supports multiple nickel alloy grades with accurate density values. - [Noise Exposure Calculator](https://top10k.com/tool/noise-exposure-calculator) - [Noise Figure Calculator](https://top10k.com/tool/noise-figure-calculator): Calculates noise figure, noise temperature, and cascaded noise figure for RF/telecom amplifier chains using the Friis formula. - [3D Printer Flow Rate Calculator](https://top10k.com/tool/nozzle-flow-rate-calculator): Calculate FDM 3D printer nozzle volumetric flow rate (mm3/s) from layer height, line width, and speed, or find safe print speeds for your hotend rather than fluid discharge. - [NTU Effectiveness Calculator](https://top10k.com/tool/ntu-effectiveness-calculator): Calculates heat exchanger effectiveness and NTU (Number of Transfer Units) using the NTU-effectiveness method for parallel flow, counter flow, and cross-flow configurations. - [Nyquist Frequency Calculator](https://top10k.com/tool/nyquist-frequency-calculator): Calculates the Nyquist frequency and minimum sampling rate for a given signal bandwidth, with aliasing analysis. - [Nyquist Stability Helper](https://top10k.com/tool/nyquist-stability-helper): Determine closed-loop stability of a control system using gain margin and phase margin calculated from open-loop transfer function parameters. - [Observability Helper](https://top10k.com/tool/observability-helper): Checks whether a linear time-invariant (LTI) system is observable by computing the observability matrix rank from state-space matrices A and C. - [Occupant Load Calculator](https://top10k.com/tool/occupant-load-calculator): Calculates design occupant load from selected 2021 IBC Table 1004.5 factors and provides transparent exit-count and egress-capacity planning checks. - [OEE Calculator](https://top10k.com/tool/oee-calculator): Calculates Overall Equipment Effectiveness (OEE) from Availability, Performance, and Quality rates for manufacturing operations. - [Ohms to Amps Calculator](https://top10k.com/tool/ohms-to-amps): Convert resistance in ohms to current in amps using Ohm's Law (I = V / R). Enter voltage and resistance to calculate current instantly. - [Ohms to Horsepower Calculator](https://top10k.com/tool/ohms-to-horsepower): Converts electrical resistance or impedance in ohms and voltage to mechanical power in horsepower for DC and AC engineering circuits. - [Ohms to Joules Calculator](https://top10k.com/tool/ohms-to-joules): Converts resistance in ohms, current (or voltage), and time to energy in joules using E = I^2 * R * t or E = V^2/R * t. - [Ohms to Kilowatt Hours Calculator](https://top10k.com/tool/ohms-to-kilowatt-hours): Converts resistance in ohms, voltage, and time duration to energy consumption in kilowatt-hours for electrical cost estimation. - [Ohms to Kilowatts Calculator](https://top10k.com/tool/ohms-to-kilowatts): Converts electrical resistance (ohms) to power (kilowatts) given voltage or current, using P = V²/R or P = I²R formulas. - [Ohms to kVA Calculator](https://top10k.com/tool/ohms-to-kva): Converts resistance in ohms and voltage to apparent power in kilovolt-amperes for electrical circuit analysis. - [Ohms to Volts Calculator](https://top10k.com/tool/ohms-to-volts) - [Ohms to Watts Calculator](https://top10k.com/tool/ohms-to-watts): Convert resistance (ohms) and voltage or current to power in watts using Ohm's Law and Watt's Law formulas. - [Oil Reserves Calculator](https://top10k.com/tool/oil-reserves-calculator): Estimates recoverable oil reserves using the volumetric method — area, net pay thickness, porosity, water saturation, formation volume factor, and recovery factor. - [Op-Amp Gain Calculator](https://top10k.com/tool/op-amp-gain-calculator): Calculates the gain of inverting and non-inverting operational amplifier configurations from resistor values. - [Ore Grade Calculator](https://top10k.com/tool/ore-grade-calculator): Calculates assay ore grade (g/t, ppm, %, oz/t, oz/st) from sample mass or determines theoretical contained metal from bulk ore tonnage. - [Overshoot Calculator](https://top10k.com/tool/overshoot-calculator): Calculates percent overshoot, peak time, settling time, and rise time for a second-order control system given its damping ratio and natural frequency. - [Oxygen Tank Duration Calculator](https://top10k.com/tool/oxygen-tank-duration): Estimates medical oxygen-cylinder duration from gauge pressure, reserve pressure, cylinder factor, and continuous flow rate. - [Packed Tower Calculator](https://top10k.com/tool/packed-tower-calculator): Calculate height of transfer units (HTU) and number of transfer units (NTU) for packed absorption and stripping towers in chemical engineering. Supports both gas-phase and liquid-phase controlling … - [Paper Weight Calculator](https://top10k.com/tool/paper-weight-calculator): Convert between paper weight systems (GSM, lb Bond, lb Cover, lb Text, lb Index) and calculate ream weight and sheet weight using standard industry conversion factors. - [Parallel Resistance Calculator](https://top10k.com/tool/parallel-resistance-calculator): Calculates the total resistance of resistors connected in parallel using the reciprocal formula. - [Parking Ratio Calculator](https://top10k.com/tool/parking-ratio-calculator): Calculate parking spaces per 1,000 sq ft or per 100 m² of building floor area, or reverse-calculate an exact and whole-space planning count. - [Passive Earth Pressure Calculator](https://top10k.com/tool/passive-earth-pressure): Calculates passive earth pressure coefficient (Kp) and resultant force on a retaining wall using Rankine theory. - [Payload Torque Calculator](https://top10k.com/tool/payload-torque-calculator) - [Peak Hour Factor Calculator](https://top10k.com/tool/peak-hour-factor): Calculate Peak Hour Factor (PHF) from 15-minute traffic volume counts within the peak hour. Used in traffic engineering for capacity analysis and signal timing. - [Pedestrian Crossing Time Calculator](https://top10k.com/tool/pedestrian-crossing-time): Calculates the minimum pedestrian signal time required for a crosswalk given crossing distance and walk speed, following MUTCD and HCM standards for traffic signal design. - [Permeability Darcy Calculator](https://top10k.com/tool/permeability-darcy): Calculate soil or rock hydraulic conductivity and volumetric flow rate using Darcy's Law (Q = KiA). Supports both SI and imperial units. - [Phase Margin Calculator](https://top10k.com/tool/phase-margin-calculator): Calculates the phase margin of a control system from an open-loop transfer function evaluated at the gain crossover frequency, indicating closed-loop stability. - [PID Tuning Calculator](https://top10k.com/tool/pid-tuning-calculator): Calculate PID controller gains (Kp, Ki, Kd) using Ziegler-Nichols closed-loop, Ziegler-Nichols open-loop, and Cohen-Coon tuning methods for control systems design. - [Pile Bearing Capacity Calculator](https://top10k.com/tool/pile-bearing-capacity): Calculate ultimate and allowable bearing capacity of driven or bored piles using Meyerhof or API methods, accounting for skin friction and end bearing components. - [Pile Capacity Calculator](https://top10k.com/tool/pile-capacity-calculator): Calculate the ultimate and allowable load-bearing capacity of a foundation pile using static point resistance and skin friction formulas. - [Pipe Size Calculator](https://top10k.com/tool/pipe-size-calculator): Calculates the minimum required pipe diameter for water flow using the Hazen-Williams formula given flow rate (GPM or L/min), pipe length, allowable head loss, and pipe material (C factor). - [Pipe Volume Calculator](https://top10k.com/tool/pipe-volume-by-length) - [Plastic Angle Weight Calculator](https://top10k.com/tool/plastic-angle-weight): Calculates the weight of plastic angle (L-section) profiles given leg dimensions, thickness, length, and plastic density. - [Plastic Beam Weight Calculator](https://top10k.com/tool/plastic-beam-weight) - [Plastic Channel Weight Calculator](https://top10k.com/tool/plastic-channel-weight): Calculates the weight of a plastic (PVC, ABS, Nylon, HDPE, PP, PTFE) C-channel section bar given its web height, flange width, wall thickness, length, and plastic density. - [Plastic Flat Bar Weight Calculator](https://top10k.com/tool/plastic-flat-bar-weight): Calculates the weight of a plastic flat bar given its width, thickness, length, and plastic type/density. - [Plastic Hexagon Bar Weight Calculator](https://top10k.com/tool/plastic-hexagon-bar-weight): Calculates the weight of a plastic hexagonal bar given its across-flats dimension, length, and plastic type or density. Formula: Area = (√3/2) × AF². - [Plastic Pipe Weight Calculator](https://top10k.com/tool/plastic-pipe-weight): Calculates the weight of a plastic pipe (PVC, HDPE, PP, ABS, and more) given its outer diameter, wall thickness, length, and plastic density. - [Plastic Plate Weight Calculator](https://top10k.com/tool/plastic-plate-weight): Calculates the weight of a plastic plate (circular or rectangular) given its dimensions, thickness, and plastic material type with density lookup. - [Plastic Round Bar Weight Calculator](https://top10k.com/tool/plastic-round-bar-weight): Calculates the weight of a solid plastic round bar given its diameter, length, and plastic type (PVC, ABS, Nylon, Polycarbonate, HDPE, PTFE, Acrylic, and more). - [Plastic Round Tube Weight Calculator](https://top10k.com/tool/plastic-round-tube-weight): Calculates the weight of a plastic round tube given outer diameter, inner diameter, length, and plastic density. - [Plastic Sheet Weight Calculator](https://top10k.com/tool/plastic-sheet-weight): Calculates the weight of a flat plastic sheet given its length, width, thickness, and plastic material type (ABS, PVC, acrylic, polycarbonate, HDPE, LDPE, nylon, PTFE). - [Plastic Square Bar Weight Calculator](https://top10k.com/tool/plastic-square-bar-weight): Calculates the weight of a solid plastic square bar given its side width, length, and plastic density (e.g. PVC, ABS, Nylon, Polycarbonate). - [Plastic Square Tube Weight Calculator](https://top10k.com/tool/plastic-square-tube-weight): Calculates the weight of plastic square tube sections given outer dimensions, wall thickness, length, and plastic density. - [Plastic Tube Weight Calculator](https://top10k.com/tool/plastic-tube-weight) - [Plasticity Index Calculator](https://top10k.com/tool/plasticity-index-soil): Calculates the plasticity index (PI) of soil from liquid limit and plastic limit (Atterberg limits) and classifies soil plasticity per USCS and AASHTO standards. - [Pneumatic Cylinder Force](https://top10k.com/tool/pneumatic-cylinder-force): Calculate push (extend) and pull (retract) force of a pneumatic cylinder from bore diameter, rod diameter, and supply pressure. Supports PSI and bar units. - [Poisson Ratio Calculator](https://top10k.com/tool/poisson-ratio-calculator): Calculates Poisson's ratio from lateral strain and axial strain, or derives strains from a given Poisson's ratio and one known strain value. - [Porosity from Void Ratio Calculator](https://top10k.com/tool/porosity-from-void-ratio): Converts between soil porosity (n) and void ratio (e) for geotechnical engineering. Computes n from e and e from n using the standard soil mechanics relationships. - [Power Bill Estimator](https://top10k.com/tool/power-bill-estimator) - [Power Factor Calculator](https://top10k.com/tool/power-factor-calculator): Calculate power factor, real power (kW), reactive power (kVAR), and apparent power (kVA) from voltage, current, and phase angle or known power values. - [Press Fit Calculator](https://top10k.com/tool/press-fit-calculator): Calculate interference fit contact pressure, press force, and torque capacity for mechanical press fits and shrink fits between shaft and hub. - [Well Productivity Index Calculator](https://top10k.com/tool/productivity-index-well): Calculates the Productivity Index (PI) of an oil well — the ratio of flow rate to pressure drawdown — and plots an Inflow Performance Relationship (IPR) curve to visualize reservoir deliverability … - [Prosthetic Alignment Helper](https://top10k.com/tool/prosthetic-alignment-helper): Calculates prosthetic limb alignment reference angles for transtibial (below-knee) and transfemoral (above-knee) prostheses. Given socket flexion angle, pylon angle, and foot progression angle, com… - [Pump Flow Calculator](https://top10k.com/tool/pump-flow-calculator): Calculate pump flow rate, head, shaft power, and efficiency using the hydraulic power equation Q = P * η / (ρ * g * H). Supports metric (m³/s, kW) and imperial (GPM, HP) units. - [Pump NPSH Calculator](https://top10k.com/tool/pump-npsh-calculator): Calculates the Net Positive Suction Head Available (NPSHa) for a pump installation to help engineers verify cavitation prevention. - [PV Array Sizing Calculator](https://top10k.com/tool/pv-array-sizing): Calculates the number of solar panels needed to meet a target daily energy output based on location, panel specs, and peak sun hours. - [PVWatts-Style Solar Output Estimator](https://top10k.com/tool/pvwatts-solar-calculator): Estimate annual, monthly and daily photovoltaic output from array size, module rating, plane-of-array peak sun hours, losses and inverter efficiency. - [PWM to Servo Angle Calculator](https://top10k.com/tool/pwm-servo-angle): Converts between PWM pulse width (microseconds) and servo motor angle, using configurable min/max pulse widths and rotation range. Includes presets for standard and micro servos. - [Queue Length Calculator](https://top10k.com/tool/queue-length-calculator): Estimates planning-level vehicle queue length at traffic signals (FHWA TSTM) and customer waiting queues for M/M/1 and M/D/1 service systems, including average queue wait time (Wq) and total time i… - [Radar Range Calculator](https://top10k.com/tool/radar-range-calculator): Solves the radar range equation to find maximum detection range given transmit power, antenna gain, target RCS, and receiver sensitivity. - [Radioactive Decay Calculator](https://top10k.com/tool/radioactive-decay-eng): Calculates remaining activity, quantity, and number of half-lives elapsed for a radioactive isotope given initial activity and elapsed time; supports common nuclear engineering isotopes. - [Reactor Conversion Calculator](https://top10k.com/tool/reactor-conversion-calculator): Calculates reactant conversion, space time, and residence time for ideal CSTR and PFR chemical reactors using first-order and second-order reaction kinetics. - [Reactor Criticality Helper](https://top10k.com/tool/reactor-criticality-helper): Calculates key nuclear reactor criticality parameters including effective multiplication factor (k-eff), reactivity, and reactor period from neutron data inputs. - [Rebar Development Length Calculator](https://top10k.com/tool/rebar-development-length): Calculates the required development (embedment) length for reinforcing bars per ACI 318 based on bar size, concrete strength, and steel yield strength. - [Recovery Factor Calculator](https://top10k.com/tool/recovery-factor-calc): Calculates oil or gas reservoir recovery factor (RF) as a percentage of original oil in place (OOIP) or original gas in place (OGIP) that can be economically recovered. Supports volumetric method i… - [Reflux Ratio Calculator](https://top10k.com/tool/reflux-ratio-calculator): Calculate the reflux ratio for distillation columns, estimate the minimum reflux ratio using the Underwood method, and determine rectifying and stripping operating line slopes for chemical engineer… - [Relative Density of Soil Calculator](https://top10k.com/tool/relative-density-soil): Calculates geotechnical relative density (Dr) of granular soil from void ratios or dry unit weights. Supports both input modes with instant classification. - [Reservoir Pressure Calculator](https://top10k.com/tool/reservoir-pressure-calc): Calculate reservoir pressure, hydrostatic pressure gradient, and bottom-hole pressure for petroleum engineering applications. Supports psi, MPa, and kPa output units. - [Residence Time Calculator](https://top10k.com/tool/residence-time-calculator): Calculates mean residence time (tau = V/Q) and space time for chemical reactors and process vessels given volume and volumetric flow rate. - [Resistor Color Code Calculator](https://top10k.com/tool/resistor-color-code-calculator): Decodes resistor color bands to read resistance value and tolerance in ohms. Supports 4-band and 5-band resistors. - [Retaining Wall Stability Calculator](https://top10k.com/tool/retaining-wall-stability): Checks sliding, overturning, and bearing capacity factors of safety for a gravity retaining wall given wall geometry, soil properties, and surcharge load. - [RF Field Strength Calculator](https://top10k.com/tool/rf-field-strength-calculator): Calculates RF electric field strength (V/m) from transmitter power, antenna gain, and distance using free-space path loss. - [Rise Time Calculator](https://top10k.com/tool/rise-time-calculator): Calculates the rise time of a first-order or second-order control system step response from time constant, damping ratio, and natural frequency inputs. - [RMS Voltage Calculator](https://top10k.com/tool/rms-voltage-calculator): Calculate RMS (root mean square) voltage from peak voltage or peak-to-peak voltage for AC circuits. Supports sine, square, triangle, and sawtooth waveforms. - [Road Grade Calculator](https://top10k.com/tool/road-grade-calculator): Calculate road grade percentage, slope angle, rise, horizontal run, slope length, and gradient ratio (1:n) using civil engineering vertical alignment formulas. - [Robot Jacobian Calculator](https://top10k.com/tool/robot-jacobian-calculator): Computes the Jacobian matrix for a 2-DOF planar robot arm given link lengths and joint angles. Shows end-effector velocity mapping and singularity detection. - [Rock Fragmentation Size Estimator](https://top10k.com/tool/rock-fragmentation-helper): Estimates mean fragment size from blasting using the Kuznetsov equation, given explosive charge, rock factor, and hole geometry. - [Rolled Throughput Yield Calculator](https://top10k.com/tool/rolled-throughput-yield) - [Rolling Resistance Calculator](https://top10k.com/tool/rolling-resistance-calc): Calculates rolling resistance force (F = Crr x N), power loss (P = F x v), and estimated fuel consumption impact for wheeled vehicles. Inputs: vehicle weight, speed, and rolling resistance coeffici… - [Root Locus Helper](https://top10k.com/tool/root-locus-helper): Analyzes open-loop transfer function poles and zeros, applies root-locus construction rules (asymptotes, centroid, break-away points, gain at breakaway), and determines closed-loop stability for co… - [Rotating Imbalance Force Calculator](https://top10k.com/tool/rotating-imbalance-force) - [Safety Stock Calculator (Industrial)](https://top10k.com/tool/safety-stock-industrial): Calculate safety stock levels for industrial inventory management using demand variability, lead time variability, and service level z-scores. - [Sag Tension Calculator](https://top10k.com/tool/sag-tension-calculator): Calculates overhead line sag, horizontal tension, support tension, and conductor geometry using verified parabolic and catenary models. - [Sampling Rate Calculator](https://top10k.com/tool/sampling-rate-calculator): Calculate the minimum sampling rate (Nyquist rate), sampling period, maximum representable frequency, and aliasing thresholds for any signal in DSP applications. - [Sampling Time for Control Systems](https://top10k.com/tool/sampling-time-control) - [Seam Allowance Converter](https://top10k.com/tool/seam-allowance-converter): Converts seam allowance measurements between inches, centimeters, and millimeters for sewing and garment construction. - [Section Modulus Calculator](https://top10k.com/tool/section-modulus-calculator): Calculate the elastic section modulus S = I/c for common structural cross-sections including rectangle, solid circle, hollow rectangle, and I-beam. Used in beam bending stress design. - [Seepage Flow Net Calculator](https://top10k.com/tool/seepage-flow-net): Calculate seepage flow rate through soil using flow net parameters: number of flow channels, equipotential drops, hydraulic conductivity, and head difference. - [Series Resistance Calculator](https://top10k.com/tool/series-resistance-calculator): Calculates the total resistance of resistors connected in series. Supports 2 to 10 resistors with unit selection (Ω, kΩ, MΩ). - [Servo Torque Calculator](https://top10k.com/tool/servo-torque-calculator): Calculate the required servo motor torque for a robotic arm or mechanism given load weight, arm length, and safety factor, with unit conversion between oz-in, kg-cm, and N-m. - [Settlement Calculator](https://top10k.com/tool/settlement-calculator): Calculates primary consolidation settlement of soil under foundation loading using the Terzaghi consolidation theory, with optional immediate elastic settlement. - [Control System Settling Time Calculator](https://top10k.com/tool/settling-time-calculator): Calculates the settling time of a second-order control system given damping ratio and natural frequency. Uses the standard approximation Ts ≈ 4/(ζ·ωn) for underdamped systems and also shows rise ti… - [Settling Velocity (Stokes Law)](https://top10k.com/tool/settling-velocity-stokes) - [Setup Time Reduction (SMED)](https://top10k.com/tool/setup-time-reduction) - [Sewing Seam Allowance Calculator](https://top10k.com/tool/sewing-seam-allowance): Calculates fabric cutting dimensions by adding seam allowances to finished garment measurements. - [Shaft Diameter Calculator](https://top10k.com/tool/shaft-diameter-calculator): Calculates the minimum required shaft diameter for a rotating shaft under combined torsion and bending loads using the ASME distortion energy (von Mises) or maximum shear stress criterion. - [Shannon Channel Capacity Calculator](https://top10k.com/tool/shannon-capacity-calculator): Calculates the theoretical maximum data rate (Shannon limit) of a noisy communication channel using the Shannon-Hartley theorem: C = B * log2(1 + S/N). - [Shear Modulus Calculator](https://top10k.com/tool/shear-modulus-calculator): Calculate shear modulus (G) from shear stress and shear strain, or derive it from Young's modulus and Poisson's ratio using G = E / (2(1+v)). - [Shear Moment Helper](https://top10k.com/tool/shear-moment-helper): Computes shear force and bending moment at any point along a simply supported beam with point loads and distributed loads. - [Radiation Shielding Thickness Calculator](https://top10k.com/tool/shielding-thickness-calc): Calculates required shielding thickness for gamma/X-ray radiation using the half-value layer (HVL) method for lead, concrete, water, and steel shielding materials. - [Short Circuit Current Calculator](https://top10k.com/tool/short-circuit-current-calculator): Calculates the bolted fault (short-circuit) current at a point in an electrical system using source voltage, transformer kVA, and impedance percentage. - [Sigma Level Calculator](https://top10k.com/tool/sigma-level-calculator) - [Traffic Signal Timing Calculator](https://top10k.com/tool/signal-timing-calculator): Calculates optimal traffic signal cycle length, green time splits, and phase durations for a signalized intersection using Webster's method. - [Slenderness Ratio Calculator](https://top10k.com/tool/slenderness-ratio-calculator): Calculates the slenderness ratio (KL/r) of a structural column to assess buckling risk per AISC guidelines. - [Slope Distance Calculator](https://top10k.com/tool/slope-distance-calculator): Converts slope distance (measured along an incline) to horizontal distance and vertical difference given the inclination angle or gradient, used in surveying and civil engineering. - [Slope Stability Factor of Safety Calculator](https://top10k.com/tool/slope-stability-factor): Calculates the factor of safety against slope failure using the infinite slope method for cohesive and cohesionless soils. - [Sludge Volume Index Calculator](https://top10k.com/tool/sludge-volume-index) - [Smoke Control Airflow Calculator](https://top10k.com/tool/smoke-control-airflow): Calculates required airflow rates for smoke control systems in buildings using NFPA 92 pressurization and exhaust methodologies. 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Supports multiple materials and unit systems. - [Steel Pipe Weight Calculator](https://top10k.com/tool/steel-pipe-weight): Calculate the weight of a steel pipe given its outer diameter, wall thickness, and length. Supports multiple materials and both metric and imperial units. - [Steel Plate Weight Calculator](https://top10k.com/tool/steel-plate-weight): Calculates the weight of a rectangular steel plate given its length, width, and thickness in metric or imperial units. - [Steel Round Bar Weight Calculator](https://top10k.com/tool/steel-round-bar-weight): Calculate the weight of a steel round bar given its diameter and length, with material density options for carbon steel, stainless steel, aluminum, brass, copper, and more. - [Steel Round Tube Weight Calculator](https://top10k.com/tool/steel-round-tube-weight): Calculates the weight of a circular hollow section (CHS) steel tube from outer diameter, wall thickness, and length using the hollow cylinder formula. - [Steel Sheet Weight Calculator](https://top10k.com/tool/steel-sheet-weight): Calculates the weight of a steel sheet given length, width, and thickness in metric or imperial units. - [Steel Square Bar Weight Calculator](https://top10k.com/tool/steel-square-bar-weight): Calculate the weight of a steel square bar given its side length, bar length, and quantity. Supports carbon steel, stainless steel, aluminum, brass, copper, and more. - [Steel Square Tube Weight Calculator](https://top10k.com/tool/steel-square-tube-weight) - [Steel Tube Weight Calculator](https://top10k.com/tool/steel-tube-weight): Calculate the weight of a hollow steel tube given outer diameter, inner diameter or wall thickness, and length. Uses steel density 7850 kg/m³. Outputs kg and lbs. - [Stepper Motor Resolution Calculator](https://top10k.com/tool/stepper-motor-resolution): Calculates stepper motor angular resolution, steps per revolution, and linear travel per step based on step angle, microstepping mode, and lead screw pitch for CNC and robotics applications. - [Stopping Sight Distance Calculator](https://top10k.com/tool/stopping-sight-distance): Calculates the minimum stopping sight distance (SSD) for road design per AASHTO standards from design speed, perception-reaction time, and road grade. - [Stress-Strain Calculator](https://top10k.com/tool/stress-strain-calculator): Calculates engineering stress (σ = F/A), engineering strain (ε = ΔL/L₀), and Young's modulus (E = σ/ε) for a material under axial load. Supports SI (Pa, N, m) and Imperial (psi, lbf, in) unit systems. - [Stripping Ratio Calculator](https://top10k.com/tool/stripping-ratio-calculator): Calculates the stripping ratio (waste:ore) for open-pit mining operations, supporting both volume-based and tonnage-based inputs to evaluate mine viability. - [Sun Hours by Location](https://top10k.com/tool/sun-hours-by-location): Estimates peak sun hours per day for a given latitude and climate zone to assist solar panel sizing and energy yield calculations. - [Superelevation Calculator](https://top10k.com/tool/superelevation-calculator): Calculates road superelevation (banking angle) required for safe horizontal curve design based on design speed and curve radius. - [Symmetrical Components Calculator](https://top10k.com/tool/symmetrical-components) - [Mine Tailings Volume Calculator](https://top10k.com/tool/tailings-volume-calc): Calculates the volume and storage capacity required for mine tailings based on ore tonnage, concentrate mass pull, and tailings density. - [Takt Time Calculator](https://top10k.com/tool/takt-time-calculator): Calculates takt time (available production time divided by customer demand) for lean manufacturing and industrial engineering workflows. - [Tensile Strength Calculator](https://top10k.com/tool/tensile-strength-calculator): Calculate tensile stress, strain, elongation, and Young's modulus from force, cross-sectional area, original length, and deformation data. - [Thermal Conductivity Material Reference](https://top10k.com/tool/thermal-conductivity-material): Search and sort indicative thermal conductivity values in SI or US units, then calculate slab heat flux, heat flow, RSI, R-value, and U-value. - [Thermal Stress Calculator](https://top10k.com/tool/thermal-stress-calculator): Calculates thermal stress in a fully constrained member (σ = E × α × ΔT) given elastic modulus, thermal expansion coefficient, and temperature change. Supports SI and Imperial units. - [Thread Count Helper](https://top10k.com/tool/thread-count-helper): Understand and compare fabric thread counts for quality assessment. Enter thread counts to get quality ratings, comparisons, and buying guidance. - [Three Phase Power Calculator](https://top10k.com/tool/three-phase-power-calculator): Calculates three-phase electrical power (kVA, kW, kVAR) from voltage, current, and power factor. - [Throughput Calculator](https://top10k.com/tool/throughput-calculator): Calculates system throughput (units per time) from cycle time or production rate, with utilization and efficiency metrics for industrial engineering. - [Titanium Angle Weight Calculator](https://top10k.com/tool/titanium-angle-weight): Calculates the weight of a titanium equal or unequal angle (L-section) bar given leg dimensions, thickness, and length. - [Titanium Beam Weight Calculator](https://top10k.com/tool/titanium-beam-weight): Calculates the weight of a titanium I-beam or H-beam given flange width, total height, flange thickness, web thickness, and length. - [Titanium Channel Weight Calculator](https://top10k.com/tool/titanium-channel-weight): Calculate the weight of a titanium C-channel (U-section) given flange width, web height, wall thickness, and length. 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Solve for any variable given the other two. - [Projectile Trajectory Time Calculator](https://top10k.com/tool/trajectory-time-calculator) - [Transfer Function Helper](https://top10k.com/tool/transfer-function-helper): Analyze first-order and second-order transfer functions in control systems. Computes DC gain, natural frequency, damping ratio, time constant, pole locations, and step response characteristics from… - [Transformer Impedance Calculator](https://top10k.com/tool/transformer-impedance-calc): Calculates transformer impedance, turns ratio, and reflected impedance given primary/secondary voltage and impedance values. - [Transformer Sizing Calculator](https://top10k.com/tool/transformer-sizing-calculator): Calculates estimated apparent power (kVA), standard dry-type rating, and rated full-load amperes for single-phase and balanced three-phase loads. - [Transformer Turns Ratio Calculator](https://top10k.com/tool/transformer-turns-ratio-calculator): Calculates transformer turns ratio and secondary voltage/current from primary and secondary winding data. - [Vibration Transmissibility Calculator](https://top10k.com/tool/transmissibility-calculator): Calculate vibration transmissibility ratio (TR) for a damped single-degree-of-freedom system given frequency ratio r = ω/ωₙ and damping ratio ζ. 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Enter pipe length, diameter, flow rate, and fluid properties to get head loss and pressure drop. - [Water Tank Fire Reserve Calculator](https://top10k.com/tool/water-tank-fire-reserve): Calculate the minimum fire water reserve volume for a building or facility. Enter hazard class, required flow rate (L/min or GPM), and duration (minutes) to get the tank capacity needed per NFPA 22… - [Watts to Amps Calculator](https://top10k.com/tool/watts-to-amps): Converts power in watts to current in amps using I = P / V (DC), with AC single-phase and three-phase modes also supported. - [Watts to Joules Calculator](https://top10k.com/tool/watts-to-joules): Converts power in watts and time duration to energy in joules using E = P × t, with support for seconds, minutes, hours, and milliseconds. - [Watts to Kilowatt Hours Calculator](https://top10k.com/tool/watts-to-kilowatt-hours): Converts watts and time (hours) to kilowatt-hours (kWh) — useful for estimating electricity consumption and energy costs. - [Watts to Kilowatts Calculator](https://top10k.com/tool/watts-to-kilowatts): Converts watts to kilowatts (kW = W / 1000) and kilowatts to watts with a reference table for common appliances. - [Watts to kVA Calculator](https://top10k.com/tool/watts-to-kva): Converts real power in watts to apparent power in kilovolt-amperes given a power factor. - [Watts to Ohms Calculator](https://top10k.com/tool/watts-to-ohms) - [Watts to Volts Calculator](https://top10k.com/tool/watts-to-volts) - [Weir Flow Rate Calculator](https://top10k.com/tool/weir-flow-calculator): Calculate volumetric flow rate over sharp-crested weirs — rectangular, triangular (V-notch), and trapezoidal — using standard hydraulic formulas. - [Weld Size Calculator](https://top10k.com/tool/weld-size-calculator): Calculates minimum fillet weld size and weld throat from applied load, weld length, E70XX electrode strength, and the selected LRFD or ASD method. - [Weldability Carbon Equivalent Calculator](https://top10k.com/tool/weldability-carbon-equivalent): Calculates the carbon equivalent (CE) of steel using the IIW formula to assess weldability and estimate preheat temperature requirements. - [Wheel Odometry Calculator](https://top10k.com/tool/wheel-odometry-calculator): Calculates robot position and heading from wheel encoder ticks using differential drive odometry equations for robotics navigation. - [Wind Turbine Power Calculator](https://top10k.com/tool/wind-turbine-power-calculator): Estimates wind turbine power output from rotor diameter, wind speed, air density, and power coefficient using the wind power equation P = 0.5 × rho × A × Cp × v³. - [Wire Gauge Calculator](https://top10k.com/tool/wire-gauge-calculator): Calculates wire current capacity (ampacity) and resistance based on AWG gauge, conductor material, and length. Instantly see ampacity, resistance, and wire recommendations. - [Wood Angle Weight Calculator](https://top10k.com/tool/wood-angle-weight): Calculates the weight of an L-shaped wood angle section given leg dimensions, thickness, length, and wood species density. - [Wood Beam Weight Calculator](https://top10k.com/tool/wood-beam-weight): Calculates the weight of rectangular wood beam profiles given width, height, length, and wood species density. - [Wood Channel Weight Calculator](https://top10k.com/tool/wood-channel-weight) - [Wood Flat Bar Weight Calculator](https://top10k.com/tool/wood-flat-bar-weight): Calculates the weight of a wood flat bar given its width, thickness, length, and species density. - [Wood Hexagon Bar Weight Calculator](https://top10k.com/tool/wood-hexagon-bar-weight) - [Wood Pipe Weight Calculator](https://top10k.com/tool/wood-pipe-weight) - [Wood Plate Weight Calculator](https://top10k.com/tool/wood-plate-weight): Calculates the weight of a flat wood plate given its length, width, thickness, and wood species. Includes densities for pine, oak, maple, plywood, MDF, and more. - [Wood Round Bar Weight Calculator](https://top10k.com/tool/wood-round-bar-weight): Calculates the weight of a solid cylindrical wooden bar given diameter, length, and wood species density. - [Wood Round Tube Weight Calculator](https://top10k.com/tool/wood-round-tube-weight): Calculates the weight of a hollow wooden round tube (pipe) given outer diameter, inner diameter, length, and wood density. - [Wood Sheet Weight Calculator](https://top10k.com/tool/wood-sheet-weight) - [Wood Square Bar Weight Calculator](https://top10k.com/tool/wood-square-bar-weight): Calculates the weight of a solid square wooden bar given side length, bar length, and wood species density. - [Wood Square Tube Weight Calculator](https://top10k.com/tool/wood-square-tube-weight): Calculates the weight of a hollow square wood tube given outer dimension, wall thickness, length, and wood density. - [Wood Tube Weight Calculator](https://top10k.com/tool/wood-tube-weight) - [Yagi Antenna Calculator](https://top10k.com/tool/yagi-antenna-calculator): Creates transparent starting dimensions for a Yagi-Uda antenna, with adjustable element shortening, spacing and optional boom length. - [Young's Modulus Calculator](https://top10k.com/tool/youngs-modulus-calculator): Calculate Young's modulus, stress, or strain from force, cross-sectional area, elongation, and original length. Includes a material reference table for common engineering materials. - [Z-Transform Helper](https://top10k.com/tool/z-transform-helper): Reference tool for common Z-transform pairs and properties used in digital signal processing and discrete-time control systems. - [Zinc Angle Weight Calculator](https://top10k.com/tool/zinc-angle-weight): Calculates the weight of zinc L-angle (equal and unequal leg) sections given leg dimensions, thickness, and length, outputting kg and lb. - [Zinc Beam Weight Calculator](https://top10k.com/tool/zinc-beam-weight): Calculates the weight of zinc I-beams and H-beams by flange width, web height, thickness, and length. - [Zinc Channel Weight Calculator](https://top10k.com/tool/zinc-channel-weight): Calculates the weight of zinc C-channel and U-channel structural sections by length and dimensions. - [Zinc Flat Bar Weight Calculator](https://top10k.com/tool/zinc-flat-bar-weight): Calculates the weight of a zinc flat bar given its dimensions (width, thickness, length) using zinc density of 7133 kg/m³. - [Zinc Hexagon Bar Weight Calculator](https://top10k.com/tool/zinc-hexagon-bar-weight): Calculates the weight of a zinc hexagonal bar given its across-flats dimension and length, using zinc density of 7133 kg/m³. - [Zinc Pipe Weight Calculator](https://top10k.com/tool/zinc-pipe-weight): Calculates the weight of a zinc pipe given outer diameter, wall thickness, and length. Outputs weight in kilograms and pounds with a detailed breakdown. - [Zinc Plate Weight Calculator](https://top10k.com/tool/zinc-plate-weight): Calculate the weight of a zinc plate from its length, width, and thickness. Results shown in kilograms and pounds using zinc density of 7133 kg/m³. - [Zinc Round Bar Weight Calculator](https://top10k.com/tool/zinc-round-bar-weight): Calculates the weight of a zinc round bar given its diameter and length, with metric and imperial unit support. - [Zinc Round Tube Weight Calculator](https://top10k.com/tool/zinc-round-tube-weight): Calculates the weight of a zinc circular hollow tube (pipe) given outer diameter, wall thickness, and length; outputs kg and lb. - [Zinc Sheet Weight Calculator](https://top10k.com/tool/zinc-sheet-weight): Calculate the weight of a zinc sheet from its length, width, and thickness. Results shown in kilograms and pounds using zinc density of 7133 kg/m³. - [Zinc Square Bar Weight Calculator](https://top10k.com/tool/zinc-square-bar-weight): Calculates the weight of a zinc square bar from its side dimension and length, with metric and imperial unit support. - [Zinc Square Tube Weight Calculator](https://top10k.com/tool/zinc-square-tube-weight): Calculates the weight of zinc square hollow tube sections given outer side size, wall thickness, and length, outputting results in kg and lb. - [Zinc Tube Weight Calculator](https://top10k.com/tool/zinc-tube-weight): Calculates the weight of a zinc rectangular or square hollow tube given outer dimensions, wall thickness, and length. Outputs weight in kg and lb. ## Audio Tools (110) - [AAC to AIFF Converter](https://top10k.com/tool/aac-to-aiff-audio): Informational guide explaining how to convert AAC audio files to AIFF format using free desktop tools (Audacity, VLC, FFmpeg), with step-by-step instructions and format comparison — client-side ref… - [AAC to FLAC Converter](https://top10k.com/tool/aac-to-flac-audio): Informational guide explaining how to convert AAC audio files to FLAC lossless format using FFmpeg CLI, Audacity, and online tools, with a format comparison table and quality notes. - [AAC to M4A Converter](https://top10k.com/tool/aac-to-m4a-audio): Convert AAC audio files to M4A format using FFmpeg. Enter your filename and get a ready-to-run command, plus a format comparison table. - [AAC to MP3 Converter](https://top10k.com/tool/aac-to-mp3-audio): Explains how to convert AAC audio to MP3; since direct AAC-to-MP3 transcoding is not possible in the browser, provides an informational guide with FFmpeg command examples plus a bitrate/file-size e… - [AAC to OGG Converter](https://top10k.com/tool/aac-to-ogg-audio): Informational guide and FFmpeg command generator for converting AAC audio files to OGG Vorbis format; client-side command builder only, no actual transcoding in browser. - [AAC to Opus Converter](https://top10k.com/tool/aac-to-opus-audio): Informational guide explaining how to convert AAC audio files to Opus format using free tools like FFmpeg, with a client-side file inspector that reads an uploaded audio file and displays its durat… - [AAC to WAV Converter](https://top10k.com/tool/aac-to-wav-audio): Explains how to convert AAC audio files to WAV format and provides FFmpeg command instructions for the conversion. - [AAC to WMA Audio Converter](https://top10k.com/tool/aac-to-wma-audio): Inspect AAC audio files in the browser — view duration, sample rate, channels, and bitrate with a live playback preview — then follow the platform guide to convert to WMA using free desktop tools. - [AIFF to AAC Converter](https://top10k.com/tool/aiff-to-aac-audio): Guide and informational tool explaining how to convert AIFF audio files to AAC format, with a file info inspector that reads AIFF metadata client-side using the browser File API. - [AIFF to FLAC Converter](https://top10k.com/tool/aiff-to-flac-audio): Analyze AIFF audio file metadata in your browser and get step-by-step instructions to convert to FLAC using FFmpeg, Audacity, or online tools. - [AIFF to M4A Converter](https://top10k.com/tool/aiff-to-m4a-audio): Informational guide explaining how to convert AIFF audio files to M4A (AAC) format using free tools like iTunes/Apple Music, FFmpeg, and Audacity, with file size estimator - [AIFF to MP3 Converter](https://top10k.com/tool/aiff-to-mp3-audio): Generate FFmpeg commands to convert AIFF audio files to MP3 format. Inspect your file details locally (no upload) and copy a ready-to-run command. - [AIFF to OGG Converter](https://top10k.com/tool/aiff-to-ogg-audio): Informational guide and FFmpeg command generator for converting AIFF audio files to OGG Vorbis format. - [AIFF to Opus Converter](https://top10k.com/tool/aiff-to-opus-audio): Informational guide with FFmpeg command generator for converting AIFF audio files to Opus format. Enter your file name and bitrate, copy the ready-to-run command, and learn about alternative tools. - [AIFF to WAV Converter](https://top10k.com/tool/aiff-to-wav-audio): Generate FFmpeg commands to convert AIFF audio files to WAV format. Inspect your file details locally (no upload) and copy a ready-to-run command. - [AIFF to WMA Audio Converter](https://top10k.com/tool/aiff-to-wma-audio): Informational guide explaining how to convert AIFF audio files to WMA (Windows Media Audio) format, with a file info inspector that reads AIFF metadata client-side and generates the FFmpeg command. - [Amplifier Power Calculator](https://top10k.com/tool/amplifier-power-calculator): Calculate amplifier output power, sensitivity, and SPL from voltage, impedance, and gain inputs. - [Audio Bitrate Calculator](https://top10k.com/tool/audio-bitrate-calculator): Calculate audio file size from bitrate and duration, or find the required bitrate for a target file size. Supports kbps input and hours/minutes/seconds duration entry. - [Audio Compressor Settings Calculator](https://top10k.com/tool/audio-compressor): Calculate audio dynamic range compression parameters — threshold, ratio, attack, release, makeup gain — and see the resulting gain reduction in dB. Helps producers and engineers dial in compressor … - [Audio Fade Tool](https://top10k.com/tool/audio-fade-tool): Reference guide and FFmpeg command generator for applying fade-in and fade-out effects to audio files. Covers afade filter syntax, duration tips, and common audio formats. - [Audio Merger](https://top10k.com/tool/audio-merger): Client-side tool that merges two audio files into one using the Web Audio API — loads both files, concatenates their audio buffers, and lets the user download the result. - [Audio Normalizer](https://top10k.com/tool/audio-normalizer): Analyze and normalize audio files client-side using the Web Audio API. Upload any audio file, view peak and RMS levels in dBFS, set a target loudness, and download the gain-adjusted WAV result — no… - [Audio Pitch Shifter](https://top10k.com/tool/audio-pitch-shifter): Calculate the playback speed multiplier needed to shift audio pitch by a given number of semitones, and get ready-to-use FFmpeg commands to apply the pitch shift offline. - [Audio Reverser](https://top10k.com/tool/audio-reverser): Generate the FFmpeg command to reverse an audio file so it plays backwards. Supports MP3, WAV, FLAC, and AAC output formats with a one-click copy button. - [Audio Speed Changer](https://top10k.com/tool/audio-speed-changer): Calculate adjusted audio duration when playback speed changes. Enter original length and speed multiplier to get the new duration, plus a reference table for 0.5x to 3x speeds. - [Audio Trimmer](https://top10k.com/tool/audio-trimmer): Client-side audio trimmer that lets users load an audio file (MP3/WAV/OGG), set start and end trim points, preview the trimmed region using the Web Audio API, and download the trimmed audio as a WA… - [Audio Volume Booster Calculator](https://top10k.com/tool/audio-volume-booster): Calculate dB gain needed to boost audio volume by a given percentage or factor, with decibel math explained. - [Bit Depth Calculator](https://top10k.com/tool/bit-depth-calculator): Calculate integer PCM audio dynamic range, noise floor, and quantization levels from any bit depth, with a side-by-side comparison of common fixed-point depths. - [Audio Bit Rate & Quality Guide](https://top10k.com/tool/bit-rate-audio-quality): Calculates audio file size from bit rate and duration, and compares quality levels (128 kbps vs 320 kbps vs lossless) to help choose the right format. - [Buffer Size to Latency Calculator](https://top10k.com/tool/buffer-size-latency): Converts audio buffer size and sample rate to input/output latency in milliseconds for DAW and audio interface setup. - [Combine Decibels Calculator](https://top10k.com/tool/combine-decibels-calculator): Add multiple sound sources to find the combined decibel level using logarithmic power summation, with each source's contribution to the total. - [Crossfade Length Calculator](https://top10k.com/tool/crossfade-length): Calculates recommended crossfade duration between audio tracks based on BPM, tempo, and style preferences for DJs and music producers. - [dBFS to dB SPL Converter](https://top10k.com/tool/dbfs-to-db-spl): Converts dBFS digital audio levels to dB SPL acoustic loudness (and back) using a user-set calibration offset, with a reference chart of common values. - [Decibel FS Calculator](https://top10k.com/tool/decibel-fs-calculator): Converts between dBFS (decibels relative to full scale) and linear amplitude values used in digital audio. - [Audio File Size Calculator](https://top10k.com/tool/file-size-from-bitrate): Calculate the expected file size of an audio recording from its bitrate (kbps) and duration. Supports hours, minutes, and seconds input with results in KB, MB, and GB. - [FLAC to AAC Converter](https://top10k.com/tool/flac-to-aac-audio): Informational guide and client-side audio converter tool that explains how to convert FLAC lossless audio files to AAC format, with a file-size estimator and quality comparison table. - [FLAC to AIFF Converter](https://top10k.com/tool/flac-to-aiff-audio): Informational guide explaining how to convert FLAC audio files to AIFF format, with FFmpeg command reference, format comparison table, and a quality settings builder. - [FLAC to M4A Converter](https://top10k.com/tool/flac-to-m4a-audio): Generate the exact FFmpeg command to convert FLAC lossless audio to M4A (AAC) format at any bitrate, inspect audio metadata in your browser, and compare FLAC vs. M4A format characteristics. - [FLAC to MP3 Converter](https://top10k.com/tool/flac-to-mp3-audio): Generate the exact FFmpeg command to convert FLAC lossless audio to MP3 at any bitrate, inspect audio metadata in your browser, and compare FLAC vs. MP3 format characteristics. - [FLAC to OGG Audio Converter](https://top10k.com/tool/flac-to-ogg-audio): Converts FLAC audio files to OGG Vorbis format in-browser using FFmpeg.wasm — no server upload required, fully client-side. - [FLAC to Opus Converter](https://top10k.com/tool/flac-to-opus-audio): Generates a personalized FFmpeg command to convert FLAC audio to Opus format with selectable bitrate and quality options, plus a copy-to-clipboard button. - [FLAC to WAV Converter](https://top10k.com/tool/flac-to-wav-audio): Converts FLAC lossless audio files to WAV format entirely in the browser using the Web Audio API, with no server upload required. - [FLAC to WMA Converter](https://top10k.com/tool/flac-to-wma-audio): Inspect FLAC audio files in the browser — view duration, sample rate, channels, and estimated size — then follow the step-by-step guide to convert to WMA using FFmpeg, VLC, or fre:ac. - [Gain Staging Helper](https://top10k.com/tool/gain-staging-helper): Helps audio engineers set proper gain staging by converting between dBFS, dBu, dBV, and VU meter readings, and showing target headroom and noise floor guidelines for recording, mixing, and mastering. - [Headroom Calculator](https://top10k.com/tool/headroom-calculator) - [Loudness LUFS Calculator](https://top10k.com/tool/loudness-lufs-calculator): Calculate the gain adjustment needed to hit target LUFS loudness levels for major streaming platforms including Spotify, YouTube, Apple Music, and more. - [M4A to AAC Audio Converter](https://top10k.com/tool/m4a-to-aac-audio): Generate the exact FFmpeg command to extract the raw AAC stream from an M4A file — a lossless remux with no re-encoding. Inspect M4A metadata in your browser and copy the ready-to-run command. - [M4A to AIFF Converter](https://top10k.com/tool/m4a-to-aiff-audio): Learn how to convert M4A audio files to AIFF format using FFmpeg and popular desktop tools. Includes a browser-based metadata inspector to preview sample rate, duration, channels, and estimated AIF… - [M4A to FLAC Converter](https://top10k.com/tool/m4a-to-flac-audio): Informational guide explaining how to convert M4A audio files to FLAC lossless format using FFmpeg CLI, Audacity, and other tools, with a format comparison table and quality notes. - [M4A to MP3 Converter](https://top10k.com/tool/m4a-to-mp3-audio): Generate the exact FFmpeg command to convert M4A (AAC) audio to MP3 at any bitrate, inspect audio metadata in your browser, and compare M4A vs. MP3 format characteristics. - [M4A to OGG Converter](https://top10k.com/tool/m4a-to-ogg-audio): Generate the exact FFmpeg command to convert M4A audio files to OGG Vorbis format, inspect audio metadata in your browser, and compare M4A vs. OGG format characteristics. - [M4A to Opus Converter](https://top10k.com/tool/m4a-to-opus-audio): Informational guide explaining how to convert M4A audio files to Opus format using FFmpeg, with a client-side file inspector that reads an uploaded audio file and displays its duration, size, sampl… - [M4A to WAV Converter](https://top10k.com/tool/m4a-to-wav-audio): Converts M4A audio files to uncompressed WAV format in-browser using the Web Audio API with sample rate and bit depth options. - [M4A to WMA Converter](https://top10k.com/tool/m4a-to-wma-audio): Drop an M4A file to inspect its metadata and preview playback, then follow the step-by-step guide to convert M4A to WMA on Windows, macOS, or the command line using free tools. - [Mid-Side Balance Calculator](https://top10k.com/tool/mid-side-balance): Converts between Mid/Side and Left/Right stereo signals, and calculates M/S balance ratios for audio production and mastering. - [MP3 to AAC Converter](https://top10k.com/tool/mp3-to-aac-audio): Converts MP3 audio files to AAC format entirely in the browser using the Web Audio API and MediaRecorder — no uploads, no server, no plugins required. - [MP3 to AIFF Converter](https://top10k.com/tool/mp3-to-aiff-audio): Learn how to convert MP3 to AIFF audio and inspect audio file metadata — sample rate, channels, duration, and estimated AIFF size — entirely in your browser. - [MP3 to FLAC Converter](https://top10k.com/tool/mp3-to-flac-audio): Learn how to convert MP3 to FLAC lossless audio and inspect audio file metadata — sample rate, bit depth, channels, duration, and estimated FLAC size — entirely in your browser. - [MP3 to M4A Converter](https://top10k.com/tool/mp3-to-m4a-audio): Convert MP3 audio files to M4A format client-side using the Web Audio API and MediaRecorder. Output format depends on browser codec support — Safari produces native M4A/AAC, other browsers export t… - [MP3 to OGG Converter](https://top10k.com/tool/mp3-to-ogg-audio): Convert MP3 audio files to OGG Vorbis format entirely in the browser using FFmpeg.wasm — no server upload required. - [MP3 to Opus Audio Converter](https://top10k.com/tool/mp3-to-opus-audio): Explains how to convert MP3 audio files to Opus format with an FFmpeg command generator and format comparison guide. - [MP3 to WAV Converter](https://top10k.com/tool/mp3-to-wav-audio): Convert MP3 audio files to uncompressed WAV format entirely in the browser using the Web Audio API — no upload, no server, instant download. - [MP3 to WMA Audio Converter](https://top10k.com/tool/mp3-to-wma-audio): Client-side informational tool explaining how to convert MP3 to WMA format with a built-in audio player preview and format comparison reference card. True WMA encoding requires a server-side or nat… - [OGG to AAC Converter](https://top10k.com/tool/ogg-to-aac-audio): Informational guide and reference tool explaining how to convert OGG audio files to AAC format with tool recommendations and format comparison. - [OGG to AIFF Converter](https://top10k.com/tool/ogg-to-aiff-audio): Informational guide and FFmpeg command generator for converting OGG Vorbis audio files to AIFF format; includes format comparison, audio metadata inspector, and download links. - [OGG to FLAC Converter](https://top10k.com/tool/ogg-to-flac-audio): Generate the exact FFmpeg command to convert OGG audio files to lossless FLAC format. Set compression level, sample rate, and channels, then copy the ready-to-run command into your terminal. - [OGG to M4A Audio Converter](https://top10k.com/tool/ogg-to-m4a-audio): Generate the exact FFmpeg command to convert OGG audio files to M4A (AAC). Set bitrate, sample rate, and channels, then copy the ready-to-run command into your terminal. - [OGG to MP3 Converter](https://top10k.com/tool/ogg-to-mp3-audio): Generate the exact FFmpeg command to convert OGG audio files to MP3. Set bitrate, sample rate, and channels, then copy the ready-to-run command into your terminal. - [OGG to Opus Converter](https://top10k.com/tool/ogg-to-opus-audio): Generate ready-to-run FFmpeg commands for converting OGG Vorbis audio files to Opus format. Set bitrate, output filename, and copy the command instantly. - [OGG to WAV Converter](https://top10k.com/tool/ogg-to-wav-audio): Generate the exact FFmpeg command to convert OGG audio files to uncompressed WAV format. Set sample rate, bit depth, and channels, then copy the ready-to-run command into your terminal. - [OGG to WMA Converter](https://top10k.com/tool/ogg-to-wma-audio): Informational guide for converting OGG audio files to WMA (Windows Media Audio) format, with a drag-and-drop UI that reads file metadata and provides FFmpeg / VLC conversion instructions. - [Opus to AAC Converter](https://top10k.com/tool/opus-to-aac-audio): Informational guide explaining how to convert Opus audio files to AAC format using FFmpeg, with a client-side file inspector and FFmpeg command generator. No files are uploaded to any server. - [Opus to AIFF Converter](https://top10k.com/tool/opus-to-aiff-audio): Informational guide explaining how to convert Opus audio files to AIFF (Audio Interchange File Format) using free desktop tools (FFmpeg, VLC), with copy-ready FFmpeg commands and a format compariso… - [Opus to FLAC Converter](https://top10k.com/tool/opus-to-flac-audio): Informational guide explaining how to convert Opus audio files to FLAC lossless format using FFmpeg CLI commands and GUI tool recommendations, with a format comparison table. - [Opus to M4A Converter](https://top10k.com/tool/opus-to-m4a-audio): Informational guide and FFmpeg command generator for converting Opus audio files to M4A format. - [Opus to MP3 Converter](https://top10k.com/tool/opus-to-mp3-audio): Informational guide explaining how to convert Opus audio files to MP3 using free tools (FFmpeg, VLC, Audacity), with a format comparison table and FFmpeg command reference. - [Opus to OGG Converter](https://top10k.com/tool/opus-to-ogg-audio): Informational guide explaining how to convert Opus audio files to OGG format using FFmpeg and free tools, with format specs and command examples. - [Opus to WAV Converter](https://top10k.com/tool/opus-to-wav-audio): Explains how to convert Opus audio files to WAV format and provides FFmpeg command instructions for the conversion. - [Opus to WMA Converter](https://top10k.com/tool/opus-to-wma-audio): Explains how to convert Opus audio files to WMA (Windows Media Audio) format using free desktop tools (FFmpeg, VLC), with copy-ready FFmpeg commands. - [Pan Law Calculator](https://top10k.com/tool/pan-law-calculator): Calculates left/right channel gain levels for a stereo pan position using -3dB, -4.5dB, or -6dB pan law. - [Reverberation Time RT60 Calculator](https://top10k.com/tool/reverberation-time-rt60): Calculates RT60 reverberation time for rooms using the Sabine and Eyring formulas for acoustic design. - [Ringtone Maker](https://top10k.com/tool/ringtone-maker): Generate the FFmpeg command to trim any audio file into a ringtone (up to 40 seconds) with optional fade-in and fade-out. Set start time, duration, and fades, then copy the ready-to-run command. - [Room Mode Calculator](https://top10k.com/tool/room-mode-calculator): Calculates axial, tangential, and oblique acoustic room modes (resonant frequencies) from room length, width, and height dimensions. - [Sample-Accurate Edit Point Calculator](https://top10k.com/tool/sample-accurate-edit): Converts a timecode or bar/beat position to an exact sample number at a given sample rate, enabling sample-accurate cut points for DAW audio editing. - [Sample Rate Latency Calculator](https://top10k.com/tool/sample-rate-latency): Convert audio buffer size and sample rate into round-trip latency in milliseconds for audio production and recording setup optimization. - [Sidechain Compressor Timing Calculator](https://top10k.com/tool/sidechain-timing): Calculate BPM-synced attack and release times for a sidechain compressor. Choose a note value preset (1/4, 1/8, 1/16, etc.) and get the exact millisecond values to dial into your DAW. - [Silence Remover](https://top10k.com/tool/silence-remover): Client-side audio tool that loads an audio file, analyzes PCM samples for silent segments below a user-set dB threshold, shows detected silence intervals, and lets you download a version with silen… - [Sound Power Level Calculator](https://top10k.com/tool/sound-power-level) - [Speaker SPL Calculator](https://top10k.com/tool/speaker-spl-calculator): Calculates the Sound Pressure Level (SPL) at a given distance from a speaker given its sensitivity and input power. - [Stereo to Mono Converter](https://top10k.com/tool/stereo-to-mono-converter): Load a stereo audio file, downmix both channels to mono by averaging L+R sample data via the Web Audio API, preview the result, and download it as a WAV — fully client-side, no server upload. - [Tempo to Samples Converter](https://top10k.com/tool/tempo-to-samples): Converts musical tempo (BPM) to sample counts at a given sample rate, calculating note durations (whole, half, quarter, eighth, sixteenth) in samples — essential for audio producers syncing DAW pro… - [Tone Generator](https://top10k.com/tool/tone-generator): Generates pure sine, square, sawtooth, and triangle wave tones at any frequency (20 Hz–20 kHz) using the Web Audio API, with adjustable volume and duration. - [True Peak Calculator](https://top10k.com/tool/true-peak-calculator): Calculate true peak level, headroom, and gain reduction needed to meet streaming platform loudness standards (Spotify, Apple Music, YouTube) based on sample peak dBFS input. - [Note Frequency Calculator](https://top10k.com/tool/tuning-frequency-calculator): Calculates note frequencies for any reference pitch (default A4 = 440 Hz) across all octaves using equal temperament. Useful for alternate tunings like 432 Hz or 444 Hz. - [WAV to AAC Converter](https://top10k.com/tool/wav-to-aac-audio): Informational guide explaining WAV to AAC audio conversion with a browser-based WAV metadata inspector, WAV vs AAC format comparison, quality settings reference, and ready-to-copy FFmpeg commands. - [WAV to AIFF Converter](https://top10k.com/tool/wav-to-aiff-audio): Informational guide on converting WAV audio files to AIFF format; covers format comparison, FFmpeg command, and recommended free tools. - [WAV to FLAC Converter](https://top10k.com/tool/wav-to-flac-audio): Informational guide for converting WAV audio to lossless FLAC format, with a WAV file metadata inspector (File API), WAV vs FLAC comparison table, and ready-to-copy FFmpeg / Audacity commands. - [WAV to M4A Converter](https://top10k.com/tool/wav-to-m4a-audio): Informational guide for converting WAV audio files to M4A (AAC in MPEG-4 container), with FFmpeg command generator and format comparison - [WAV to MP3 Audio Converter](https://top10k.com/tool/wav-to-mp3-audio): Converts WAV audio files to MP3 format directly in the browser using lamejs — no upload, no server, instant download. - [WAV to OGG Converter](https://top10k.com/tool/wav-to-ogg-audio): Converts WAV audio files to OGG Vorbis format in the browser using the Web Audio API and MediaRecorder — no server upload required. - [WAV to Opus Audio Converter](https://top10k.com/tool/wav-to-opus-audio): Converts WAV audio files to Opus format in the browser using the Web Audio API and MediaRecorder, with selectable bitrate (16–128 kbps). - [WAV to WMA Audio Converter](https://top10k.com/tool/wav-to-wma-audio): Informational guide and tool-finder for converting WAV audio files to WMA format, with format comparison, bitrate recommendations, and links to recommended software. - [WMA to AAC Converter](https://top10k.com/tool/wma-to-aac-audio): Guide and client-side audio file metadata inspector for converting WMA (Windows Media Audio) to AAC using FFmpeg and other free tools. Inspect your WMA file metadata in the browser and generate the… - [WMA to AIFF Converter](https://top10k.com/tool/wma-to-aiff-audio): Guide and FFmpeg command generator for converting WMA (Windows Media Audio) to AIFF format. Inspect WMA file metadata in the browser, choose your bit depth and sample rate, and get a ready-to-run F… - [WMA to FLAC Converter](https://top10k.com/tool/wma-to-flac-audio): Informational guide and FFmpeg command generator for converting WMA audio files to lossless FLAC format. - [WMA to M4A Converter](https://top10k.com/tool/wma-to-m4a-audio): Generate FFmpeg commands to convert WMA audio files to M4A (AAC) format. Configure bitrate, sample rate, and channels, then copy the ready-to-run command. - [WMA to MP3 Converter](https://top10k.com/tool/wma-to-mp3-audio): Guide and client-side audio file metadata inspector for converting WMA (Windows Media Audio) to MP3 using FFmpeg and other free tools. Inspect your WMA file metadata in the browser and generate the… - [WMA to OGG Converter](https://top10k.com/tool/wma-to-ogg-audio): Informational guide and FFmpeg command generator for converting WMA audio files to OGG Vorbis format. Inspect WMA metadata in the browser and build the exact FFmpeg command — client-side only, no u… - [WMA to Opus Converter](https://top10k.com/tool/wma-to-opus-audio): Informational guide and converter reference for converting Windows Media Audio (WMA) files to the Opus audio format, with format comparison and FFmpeg command generation. - [WMA to WAV Converter](https://top10k.com/tool/wma-to-wav-audio): Guide and client-side audio file metadata inspector for converting WMA (Windows Media Audio) to WAV using FFmpeg and other free tools. Inspect your WMA file metadata in the browser and generate the… ## Video Tools (134) - [Add Subtitles To Video](https://top10k.com/tool/add-subtitles-to-video): Upload a video and paste or upload an SRT/VTT subtitle file to preview the video with subtitle overlay in your browser. Converts SRT to WebVTT and shows an editable cue list. - [Aspect Ratio Letterbox Calculator](https://top10k.com/tool/aspect-ratio-letterbox): Calculate letterbox and pillarbox bar dimensions when fitting video of one aspect ratio into a frame of a different aspect ratio. - [AVI to FLV Converter](https://top10k.com/tool/avi-to-flv-video) - [AVI to GIF Converter](https://top10k.com/tool/avi-to-gif-video) - [AVI to M4V Converter](https://top10k.com/tool/avi-to-m4v-video): Explains how to convert AVI video files to M4V format and provides FFmpeg command instructions for the conversion. - [AVI to MKV Converter](https://top10k.com/tool/avi-to-mkv-video): Informational guide and client-side tool that explains how to convert AVI video files to MKV format, with FFmpeg command reference and format comparison table. - [AVI to MOV Converter](https://top10k.com/tool/avi-to-mov-video) - [AVI to MP4 Converter](https://top10k.com/tool/avi-to-mp4-video) - [AVI to MPEG Converter](https://top10k.com/tool/avi-to-mpeg-video): Guide and FFmpeg command generator for converting AVI video files to MPEG-1 or MPEG-2 format, with quality and codec options explained. - [AVI to WebM Converter](https://top10k.com/tool/avi-to-webm-video) - [AVI to WMV Converter](https://top10k.com/tool/avi-to-wmv-video) - [B-Roll Duration Planner](https://top10k.com/tool/b-roll-duration-planner): Calculate how much b-roll footage to shoot based on interview or voiceover duration, desired b-roll coverage ratio, and average clip length. - [Bitrate Ladder Helper](https://top10k.com/tool/bitrate-ladder-helper) - [Chroma Subsampling Helper](https://top10k.com/tool/chroma-subsampling-helper): Explains and compares chroma subsampling formats (4:4:4, 4:2:2, 4:2:0, 4:1:1) and calculates the effective color data size and bandwidth for a given resolution and bit depth. - [Color Bit Depth Calculator](https://top10k.com/tool/color-bit-depth-calc): Calculates the number of possible colors, file size per frame, and data rate for a given color bit depth, resolution, and frame rate. Useful for video production and digital imaging workflows. - [Encoding Time Estimator](https://top10k.com/tool/encoding-time-estimator): Estimates how long video encoding will take based on source duration, output bitrate, and encoder speed preset, displayed in hours, minutes, and seconds. - [Extract Audio From Video](https://top10k.com/tool/extract-audio-from-video) - [Extract Frames From Video](https://top10k.com/tool/extract-frames-from-video): Upload a video file and extract individual frames at a chosen interval using the browser Canvas API. Download frames as PNG images directly in your browser — no upload to any server. - [FLV to AVI Converter](https://top10k.com/tool/flv-to-avi-video): Informational guide and client-side instructions for converting FLV video files to AVI format, with FFmpeg command generator. - [FLV to GIF Converter](https://top10k.com/tool/flv-to-gif-video): FFmpeg command generator for converting FLV video to animated GIF with configurable frame rate, scale, and duration parameters. - [FLV to M4V Converter](https://top10k.com/tool/flv-to-m4v-video) - [FLV to MKV Converter](https://top10k.com/tool/flv-to-mkv-video) - [FLV to MOV Converter](https://top10k.com/tool/flv-to-mov-video) - [FLV to MP4 Converter](https://top10k.com/tool/flv-to-mp4-video) - [FLV to MPEG Converter](https://top10k.com/tool/flv-to-mpeg-video): Guides users on converting FLV video files to MPEG format with a client-side bitrate and file-size estimator. - [FLV to WebM Converter](https://top10k.com/tool/flv-to-webm-video): Learn how to convert FLV video files to WebM format with step-by-step instructions, recommended free tools, FFmpeg commands, and a quick-reference guide. - [FLV to WMV Converter](https://top10k.com/tool/flv-to-wmv-video) - [Frame-Accurate Timecode Calculator](https://top10k.com/tool/frame-accurate-timecode): Converts between SMPTE timecode (HH:MM:SS:FF) and frame numbers for common frame rates including drop-frame (29.97 DF, 59.94 DF) and non-drop-frame timecode. - [GIF to AVI Converter](https://top10k.com/tool/gif-to-avi-video) - [GIF to FLV Converter](https://top10k.com/tool/gif-to-flv-video): Analyze a GIF file to see its frame count, dimensions, and estimated FLV output size. Get step-by-step instructions for converting GIF animations to FLV (Flash Video) format using FFmpeg and other … - [GIF to M4V Converter](https://top10k.com/tool/gif-to-m4v-video) - [GIF to MKV Converter](https://top10k.com/tool/gif-to-mkv-video): Informational guide explaining how to convert GIF animation files to MKV video format using free desktop tools, with an interactive FFmpeg command builder. - [GIF to MOV Converter](https://top10k.com/tool/gif-to-mov-video) - [GIF to MP4 Converter](https://top10k.com/tool/gif-to-mp4-video) - [GIF to MPEG Converter](https://top10k.com/tool/gif-to-mpeg-video) - [GIF to Video Converter](https://top10k.com/tool/gif-to-video) - [GIF to WebM Converter](https://top10k.com/tool/gif-to-webm-video) - [GIF to WMV Converter](https://top10k.com/tool/gif-to-wmv-video) - [Keyframe Interval Calculator](https://top10k.com/tool/keyframe-interval-calc): Calculates the recommended keyframe interval (GOP size) for video encoding based on frame rate and target seconds between keyframes. Shows the exact GOP value to pass to FFmpeg, HandBrake, or any e… - [M4V to AVI Converter](https://top10k.com/tool/m4v-to-avi-video): Step-by-step guide to convert M4V video files to AVI format using FFmpeg, HandBrake, and VLC. Covers codec choices, DRM notes, and command-line examples. - [M4V to FLV Converter](https://top10k.com/tool/m4v-to-flv-video): Informational tool explaining how to convert M4V video files to FLV format using free desktop tools, with format comparison and step-by-step FFmpeg commands. - [M4V to GIF Converter](https://top10k.com/tool/m4v-to-gif-video) - [M4V to MKV Converter](https://top10k.com/tool/m4v-to-mkv-video): Step-by-step guide to convert M4V video files to MKV using FFmpeg, HandBrake, or MKVToolNix. Includes format comparison, DRM notes, and a live FFmpeg command generator. - [M4V to MOV Converter](https://top10k.com/tool/m4v-to-mov-video): Step-by-step guide to convert M4V files to MOV format using FFmpeg or VLC. Covers DRM notes, format comparison, and command-line remuxing examples. - [M4V to MP4 Converter](https://top10k.com/tool/m4v-to-mp4-video): Step-by-step guide to convert M4V files to MP4 using HandBrake, VLC, or FFmpeg. Includes format comparison, DRM notes, and command-line examples. - [M4V to MPEG Converter](https://top10k.com/tool/m4v-to-mpeg-video): Explains how to convert M4V video files to MPEG format and provides step-by-step instructions using free desktop tools (FFmpeg, VLC) with copy-ready commands. - [M4V to WebM Converter](https://top10k.com/tool/m4v-to-webm-video): Informational guide and client-side tool explaining how to convert M4V video files to WebM format, with FFmpeg command reference and format comparison. - [M4V to WMV Converter](https://top10k.com/tool/m4v-to-wmv-video): Informational guide and FFmpeg command generator for converting M4V video files to WMV format. Includes format comparison, DRM notes, and ready-to-run command examples. - [MKV to AVI Converter](https://top10k.com/tool/mkv-to-avi-video): Generate the correct FFmpeg command to convert MKV video files to AVI format with your chosen codec, quality, and audio settings. - [MKV to FLV Converter](https://top10k.com/tool/mkv-to-flv-video): Generate the correct FFmpeg command to convert MKV video files to FLV (Flash Video) format with your chosen codec, quality, and audio settings. - [MKV to GIF Converter](https://top10k.com/tool/mkv-to-gif-video): Generate ready-to-run FFmpeg commands for converting MKV video clips to animated GIF. Specify start time, duration, FPS, and output width to get an optimized command instantly. - [MKV to M4V Converter](https://top10k.com/tool/mkv-to-m4v-video) - [MKV to MOV Converter](https://top10k.com/tool/mkv-to-mov-video): Step-by-step guide and free tool recommendations for converting MKV video files to MOV format on Windows, Mac, and Linux. - [MKV to MP4 Converter](https://top10k.com/tool/mkv-to-mp4-video) - [MKV to MPEG Converter](https://top10k.com/tool/mkv-to-mpeg-video): Guide and FFmpeg command generator for converting MKV video files to MPEG-1 or MPEG-2 format, with bitrate controls, format comparison, and install instructions. - [MKV to WebM Converter](https://top10k.com/tool/mkv-to-webm-video) - [MKV to WMV Converter](https://top10k.com/tool/mkv-to-wmv-video) - [MOV to AVI Converter](https://top10k.com/tool/mov-to-avi-video) - [MOV to FLV Converter](https://top10k.com/tool/mov-to-flv-video) - [MOV to GIF Converter](https://top10k.com/tool/mov-to-gif-video) - [MOV to M4V Converter](https://top10k.com/tool/mov-to-m4v-video) - [MOV to MKV Converter](https://top10k.com/tool/mov-to-mkv-video) - [MOV to MP4 Video Converter](https://top10k.com/tool/mov-to-mp4-video) - [MOV to MPEG Converter](https://top10k.com/tool/mov-to-mpeg-video): Informational tool explaining how to convert MOV video files to MPEG format, with format comparison, use-case guide, and FFmpeg command reference. - [MOV to WebM Converter](https://top10k.com/tool/mov-to-webm-video) - [MOV to WMV Converter](https://top10k.com/tool/mov-to-wmv-video) - [MP4 to AVI Converter](https://top10k.com/tool/mp4-to-avi-video): Converts MP4 video files to AVI format entirely in the browser using FFmpeg.wasm — no server upload required. - [MP4 to FLV Converter](https://top10k.com/tool/mp4-to-flv-video): Learn how to convert MP4 video files to FLV format, compare format specs, inspect your MP4 file metadata in the browser, and get step-by-step instructions for free desktop tools. - [MP4 to GIF Converter](https://top10k.com/tool/mp4-to-gif-video) - [MP4 to M4V Converter](https://top10k.com/tool/mp4-to-m4v-video) - [MP4 to MKV Video Converter](https://top10k.com/tool/mp4-to-mkv-video) - [MP4 to MOV Converter](https://top10k.com/tool/mp4-to-mov-video) - [MP4 to MPEG Converter](https://top10k.com/tool/mp4-to-mpeg-video): Informational tool explaining how to convert MP4 video files to MPEG format, with format comparison, use-case guide, and FFmpeg command reference. - [MP4 to WebM Converter](https://top10k.com/tool/mp4-to-webm-video) - [MP4 to WMV Converter](https://top10k.com/tool/mp4-to-wmv-video): Informational guide explaining how to convert MP4 to WMV format, including a format comparison table, codec details, and step-by-step conversion methods. - [MPEG to AVI Converter](https://top10k.com/tool/mpeg-to-avi-video): Informational guide page explaining how to convert MPEG video files to AVI format, covering codec options, tools (FFmpeg, HandBrake), use cases, and quality trade-offs — no server-side conversion, … - [MPEG to FLV Converter](https://top10k.com/tool/mpeg-to-flv-video): Informational guide and FFmpeg command generator for converting MPEG video files to FLV (Flash Video) format; explains the conversion process, FFmpeg commands, and when FLV is appropriate. - [MPEG to GIF Converter](https://top10k.com/tool/mpeg-to-gif-video): Step-by-step guide to convert MPEG video files to animated GIF using FFmpeg — with palette optimization, frame rate, and file size guidance. - [MPEG to M4V Converter](https://top10k.com/tool/mpeg-to-m4v-video): Step-by-step guide to convert MPEG video files to M4V (Apple H.264) using FFmpeg and HandBrake, with command examples and iTunes/Apple compatibility notes. - [MPEG to MKV Converter](https://top10k.com/tool/mpeg-to-mkv-video): Informational reference page explaining how to convert MPEG video files to MKV format, with FFmpeg command examples and format comparison (client-side info tool, no actual transcoding). - [MPEG to MOV Converter](https://top10k.com/tool/mpeg-to-mov-video): Step-by-step guide to convert MPEG video files to MOV (QuickTime) format using FFmpeg and VLC — no upload required. - [MPEG to MP4 Converter](https://top10k.com/tool/mpeg-to-mp4-video): Step-by-step guide to convert MPEG/MPG video files to MP4 using FFmpeg, VLC, and HandBrake — no upload required. - [MPEG to WebM Converter](https://top10k.com/tool/mpeg-to-webm-video): Guide and reference tool for converting MPEG video files to WebM format. Includes an FFmpeg command builder with VP8, VP9, and AV1 codec options, quality settings, and step-by-step instructions — c… - [MPEG to WMV Converter](https://top10k.com/tool/mpeg-to-wmv-video): Step-by-step guide and FFmpeg command generator for converting MPEG video files to WMV (Windows Media Video) format — explains the conversion process, commands, and Windows compatibility use cases. - [Proxy Video Size Estimator](https://top10k.com/tool/proxy-size-estimator): Estimate total storage needed for proxy video files. Enter clip duration, resolution, and proxy bitrate to get instant size calculations in MB and GB. - [Render Time Estimator](https://top10k.com/tool/render-time-estimator): Estimates video render time based on frame count, resolution, codec complexity, and frames-per-second throughput. Useful for motion graphics, 3D renders, and video export planning. - [Video Safe Area Calculator](https://top10k.com/tool/safe-area-calculator): Calculate action-safe and title-safe areas for any video resolution. Used by broadcast designers, motion graphic artists, and video editors to keep critical content visible on all displays. - [Screen Recorder Helper](https://top10k.com/tool/screen-recorder-helper): Recommends resolution, frame rate, and bitrate for screen recording based on your use case and output target, with ready-to-use presets for OBS, Camtasia, and ShareX. - [Streaming Bandwidth Calculator](https://top10k.com/tool/streaming-bandwidth-calculator) - [Subtitle Reading Speed](https://top10k.com/tool/subtitle-reading-speed): Calculate the minimum reading speed required to follow subtitles given frame rate, character count per subtitle, and display duration. - [Timecode Calculator](https://top10k.com/tool/timecode-calculator) - [Transcode Bitrate Target Calculator](https://top10k.com/tool/transcode-bitrate-target): Calculate the target video bitrate needed to hit a specific output file size for a given duration. Supports H.264, H.265/HEVC, VP9, and AV1 codec efficiency presets, with audio bitrate deduction. - [Video Aspect Ratio Changer](https://top10k.com/tool/video-aspect-ratio-changer) - [Video Bitrate Calculator](https://top10k.com/tool/video-bitrate-calculator): Calculate the recommended video bitrate for any resolution, frame rate, and codec. Instantly estimate file size for any duration. Pure client-side — no uploads required. - [Video Bitrate From Size Calculator](https://top10k.com/tool/video-bitrate-from-size): Calculate the required video bitrate to hit a target file size given duration, then split between video and audio streams. - [Video Compressor](https://top10k.com/tool/video-compressor) - [Video Cropper](https://top10k.com/tool/video-cropper) - [Video Cutter](https://top10k.com/tool/video-cutter): Calculate video clip durations from cut points. Enter total video length and start/end timestamps to see segment lengths, remaining footage, and a timeline breakdown — useful for planning edits bef… - [Video Duration From Frames](https://top10k.com/tool/video-duration-from-frames): Calculate video duration (HH:MM:SS) from total frame count and frame rate (fps). Supports any fps — 23.976, 24, 25, 29.97, 30, 48, 50, 59.94, 60, and custom values. - [Video File Size Calculator](https://top10k.com/tool/video-file-size-calculator): Estimates the file size of a video given its resolution, frame rate, bit rate, and duration. Shows result in MB and GB. - [Video Frame Rate Changer](https://top10k.com/tool/video-frame-rate-changer) - [Video Length Calculator](https://top10k.com/tool/video-length-calculator): Calculate estimated video file size from duration, bitrate, and codec. Also converts between video duration units: hours, minutes, seconds, and frames. - [Video Looper](https://top10k.com/tool/video-looper) - [Video Merger](https://top10k.com/tool/video-merger): Client-side tool that lets users select multiple video files, preview them in order, and merge them sequentially into a single downloadable WebM file using Canvas and the MediaRecorder API. - [Video Muter](https://top10k.com/tool/video-muter) - [Video Resizer](https://top10k.com/tool/video-resizer) - [Video Resolution Presets](https://top10k.com/tool/video-resolution-presets): Reference table of standard video resolutions (SD, HD, FHD, 4K, 8K, social platforms) with dimensions, aspect ratio, and typical use cases. - [Video Reverser](https://top10k.com/tool/video-reverser) - [Video Rotator](https://top10k.com/tool/video-rotator) - [Video Speed Changer](https://top10k.com/tool/video-speed-changer) - [Video Storage Calculator](https://top10k.com/tool/video-storage-calculator): Calculates the storage space needed for video recordings based on resolution, frame rate, codec, bitrate, daily operating schedule, and retention duration across multiple cameras. - [Video Thumbnail Extractor](https://top10k.com/tool/video-thumbnail-extractor): Upload a local video file and capture a frame at any timestamp as a downloadable thumbnail image using the HTML5 Canvas API. - [Video To GIF Converter](https://top10k.com/tool/video-to-gif) - [Video Trimmer](https://top10k.com/tool/video-trimmer) - [Video Watermark Tool](https://top10k.com/tool/video-watermark): Previews a locally uploaded video with a custom text watermark overlaid via Canvas; explains how to permanently embed watermarks using FFmpeg. - [WebM to AVI Converter](https://top10k.com/tool/webm-to-avi-video) - [WebM to FLV Converter](https://top10k.com/tool/webm-to-flv-video): Learn how to convert WebM video files to FLV format using FFmpeg and alternative tools, with a command builder to generate the exact conversion command for your settings. - [WebM to GIF Converter](https://top10k.com/tool/webm-to-gif-video) - [WebM to M4V Converter](https://top10k.com/tool/webm-to-m4v-video): Informational guide on converting WebM video files to M4V format using FFmpeg, HandBrake, or VLC, with step-by-step instructions and a format comparison table. - [WebM to MKV Converter](https://top10k.com/tool/webm-to-mkv-video): Informational guide and client-side tool that explains how to convert WebM video files to MKV format, with an interactive FFmpeg command builder and format comparison table. - [WebM to MOV Converter](https://top10k.com/tool/webm-to-mov-video): Informational guide and FFmpeg command generator for converting WebM video files to MOV format, with options for codec, quality, and audio settings. - [WebM to MP4 Converter](https://top10k.com/tool/webm-to-mp4-video): Converts WebM video files to MP4 format client-side using FFmpeg.wasm — no upload, no server, processes entirely in the browser. - [WebM to MPEG Converter](https://top10k.com/tool/webm-to-mpeg-video): Inspect any WebM video file (duration, dimensions, file size) directly in your browser, then copy ready-to-run FFmpeg commands to convert it to MPEG-1, MPEG-2, or MPEG-4 format. - [WebM to WMV Converter](https://top10k.com/tool/webm-to-wmv-video): Learn how to convert WebM video files to WMV format using free desktop software. Step-by-step guide with recommended tools for Windows and Mac. - [WMV to AVI Converter](https://top10k.com/tool/wmv-to-avi-video): Informational guide and FFmpeg command generator for converting WMV video files to AVI format - [WMV to FLV Converter](https://top10k.com/tool/wmv-to-flv-video) - [WMV to GIF Converter](https://top10k.com/tool/wmv-to-gif-video) - [WMV to M4V Converter](https://top10k.com/tool/wmv-to-m4v-video): Generates FFmpeg commands to convert WMV video files to M4V format (H.264 + AAC in MP4 container with .m4v extension for Apple compatibility). Includes quality preset selector, client-side file ins… - [WMV to MKV Converter](https://top10k.com/tool/wmv-to-mkv-video): Informational guide and client-side tool that explains how to convert WMV video files to MKV format, with FFmpeg command reference and format comparison table. - [WMV to MOV Converter](https://top10k.com/tool/wmv-to-mov-video) - [WMV to MP4 Converter](https://top10k.com/tool/wmv-to-mp4-video) - [WMV to MPEG Converter](https://top10k.com/tool/wmv-to-mpeg-video) - [WMV to WebM Converter](https://top10k.com/tool/wmv-to-webm-video): Informational guide and FFmpeg command generator for converting WMV video files to WebM format. Get the exact FFmpeg command for your conversion settings. - [YouTube Thumbnail Downloader](https://top10k.com/tool/youtube-thumbnail-downloader): Extract the video ID from any YouTube URL and view direct links to all available thumbnail sizes — maxres, HQ, MQ, and default — for preview or download. ## Biology Tools (54) - [Allele & Genotype Frequency Calculator](https://top10k.com/tool/allele-genotype-frequency): Calculate allele and genotype frequencies from observed genotype counts or from allele frequencies under Hardy-Weinberg equilibrium. Includes chi-square HWE test. - [Allometric Scaling Calculator](https://top10k.com/tool/allometric-scaling-calculator): Computes biological scaling values using the allometric equation Y = a × M^b, with preset exponents for metabolic rate, organ mass, lifespan, and custom parameters. - [Amino Acid Converter](https://top10k.com/tool/amino-acid-converter) - [Annealing Temperature Calculator](https://top10k.com/tool/annealing-temperature-calculator): Calculates the optimal PCR primer annealing temperature from primer sequences using the Tm - 5°C rule and nearest-neighbor thermodynamic method. - [Beer-Lambert Law Concentration Calculator](https://top10k.com/tool/beer-law-concentration): Uses Beer-Lambert Law (A = εbc) to find concentration, absorbance, path length, or molar absorptivity from the other three values. - [Blood Type Inheritance Calculator](https://top10k.com/tool/blood-type-inheritance-calculator): Predicts possible blood types of children based on parents' ABO and Rh blood types using Mendelian genetics. - [Blood Type Probability Calculator](https://top10k.com/tool/blood-type-probability): Predicts the possible blood types (ABO and Rh) a child can inherit given both parents' blood types, using Mendelian genetics inheritance tables. - [Carrying Capacity Calculator](https://top10k.com/tool/carrying-capacity-calculator): Calculates population growth using the logistic model — enter K (carrying capacity), N0 (initial population), r (growth rate), and time to get N(t) with a logistic growth curve chart. - [Chi Square Genetics](https://top10k.com/tool/chi-square-genetics): Performs a chi-square goodness-of-fit test on observed vs. expected Mendelian genetics ratios to determine if results deviate significantly from predictions. - [Codon Table Lookup](https://top10k.com/tool/codon-table-lookup): Look up the amino acid encoded by any DNA or RNA codon using the standard genetic code. Supports both DNA (T) and RNA (U) input. - [Codon Usage Calculator](https://top10k.com/tool/codon-usage-calculator): Analyzes a DNA or RNA sequence and displays a codon frequency table with amino acid composition breakdown. - [D-Value Thermal Death Calculator](https://top10k.com/tool/d-value-thermal-death): Microbiology D-value calculator — computes decimal reduction time (D-value) from survivor count data and calculates log reductions for food safety and sterilization. - [Dihybrid Ratio Calculator](https://top10k.com/tool/dihybrid-ratio-calculator): Calculate expected phenotype and genotype ratios for dihybrid crosses using Punnett square logic. Enter two parent genotypes and instantly see the 9:3:3:1 phenotype ratio breakdown. - [Dilution CFU Calculator](https://top10k.com/tool/dilution-cfu-calculator): Calculate colony-forming units per mL (CFU/mL) from serial dilution plating results. Enter colony count, dilution factor, and volume plated to get original sample concentration. - [DNA/RNA Ratio Calculator](https://top10k.com/tool/dna-rna-ratio-calculator): Calculates the DNA:RNA ratio from NanoDrop/spectrophotometer A260 absorbance readings for DNA and RNA samples. - [Enzyme Kinetics Calculator](https://top10k.com/tool/enzyme-kinetics-calculator): Calculates reaction velocity using the Michaelis-Menten equation (v = Vmax × [S] / (Km + [S])) and plots a V vs [S] curve. - [Enzyme Velocity Calculator](https://top10k.com/tool/enzyme-velocity-calculator): Calculate enzyme reaction velocity using the Michaelis-Menten equation given substrate concentration, Vmax, and Km values. Compare multiple substrate concentrations and compute catalytic efficiency… - [Exponential Growth Biology Calculator](https://top10k.com/tool/exponential-growth-biology): Calculates population size after exponential growth using N(t) = N0 * e^(r*t), given initial population, growth rate, and time. - [Generation Time Bacteria](https://top10k.com/tool/generation-time-bacteria): Calculates bacterial generation time (doubling time) from an initial count, final count, and elapsed incubation time. - [Generation Time Calculator](https://top10k.com/tool/generation-time-calculator): Calculates bacterial generation time (doubling time) and growth rate from initial/final cell counts and elapsed time. - [Genetic Drift Simulator](https://top10k.com/tool/genetic-drift-simulator): Simulates random allele frequency changes in a finite population over generations, visualizing how genetic drift can lead to fixation or loss of alleles. - [Growth Rate Constant](https://top10k.com/tool/growth-rate-constant) - [Hardy-Weinberg Equilibrium Calculator](https://top10k.com/tool/hardy-weinberg-equilibrium): Given allele frequency p (dominant) computes q = 1 - p, then genotype frequencies p², 2pq, and q² under Hardy-Weinberg equilibrium, with chi-square goodness-of-fit test when observed counts are ent… - [Heart Rate From ECG](https://top10k.com/tool/heart-rate-from-ecg): Calculates heart rate (BPM) from ECG readings — enter an R-R interval in ms or seconds, or count large and small squares on a standard 25 mm/s ECG strip. - [Isoelectric Point Calculator](https://top10k.com/tool/isoelectric-point-calculator): Calculate the isoelectric point (pI) of amino acids and short peptides using standard pKa values of ionizable groups. - [Ki Inhibition Calculator](https://top10k.com/tool/ki-inhibition-calculator): Calculates the inhibition constant Ki from IC50 using the Cheng-Prusoff equation for competitive enzyme inhibitors. - [Lineweaver-Burk Calculator](https://top10k.com/tool/lineweaver-burk-calculator): Linearizes Michaelis-Menten enzyme kinetics data via the double-reciprocal (Lineweaver-Burk) plot to find Km and Vmax from user-entered [S]/v data pairs. - [Log Reduction Calculator](https://top10k.com/tool/log-reduction-calculator): Calculate log reduction (LR) from initial and final microbial counts, convert between log reduction and percent reduction, and find the final count for any target LR — for disinfection and steriliz… - [Logistic Growth Calculator](https://top10k.com/tool/logistic-growth-calculator): Calculate population size at any time t using the logistic growth model P(t) = K / (1 + ((K - P0) / P0) * e^(-rt)). Enter carrying capacity K, initial population P0, and growth rate r to get popula… - [Lotka-Volterra Calculator](https://top10k.com/tool/lotka-volterra-calculator): Simulates predator-prey population dynamics using the Lotka-Volterra equations, showing how two species interact over time. - [Genetic Map Distance Calculator](https://top10k.com/tool/mapping-distance-calculator): Calculates genetic mapping distance in centimorgans (cM) from recombination frequency in genetic crosses. - [Mark-Recapture Population Estimator](https://top10k.com/tool/mark-recapture-estimator) - [Michaelis-Menten Calculator](https://top10k.com/tool/michaelis-menten-calculator): Calculate enzyme reaction velocity using the Michaelis-Menten equation given substrate concentration, Vmax, and Km. Includes Lineweaver-Burk double-reciprocal plot and inhibition mode analysis. - [Molarity from Mass Calculator](https://top10k.com/tool/molarity-from-mass-calculator): Calculates molar concentration (molarity) of a solution from solute mass, molar mass, and solution volume. - [Molecular Weight of DNA Calculator](https://top10k.com/tool/molecular-weight-dna): Calculates the molecular weight of a DNA sequence by counting nucleotide bases (A, T, G, C) and applying standard average molecular weights per nucleotide. - [Molecular Weight of Protein Calculator](https://top10k.com/tool/molecular-weight-protein): Estimates the molecular weight of a protein from its amino acid sequence (one-letter or three-letter codes), with residue composition breakdown. - [Mutation Rate Calculator](https://top10k.com/tool/mutation-rate-calculator): Calculates mutation rate per base pair per generation (mu = number of mutations / (genome size x number of generations)), with support for observed vs spontaneous mutation analysis. - [Open Reading Frame (ORF) Finder](https://top10k.com/tool/orf-finder): Finds all open reading frames in a DNA or RNA sequence by scanning all 6 reading frames (3 forward, 3 reverse complement). - [Pedigree Probability Calculator](https://top10k.com/tool/pedigree-probability-calculator): Calculates Mendelian inheritance probabilities for autosomal dominant, autosomal recessive, and X-linked recessive traits based on parent genotypes, with a Punnett square display. - [Population Doubling Time Calculator](https://top10k.com/tool/population-doubling-time) - [Population Growth Calculator](https://top10k.com/tool/population-growth-calculator): Calculates exponential and logistic population growth. Enter initial population, growth rate, and time to see the future population size plus a step-by-step growth table. - [Protein Concentration Bradford](https://top10k.com/tool/protein-concentration-bradford): Estimates protein concentration from Bradford assay absorbance readings using a BSA standard curve. - [Protein Molecular Weight Calculator](https://top10k.com/tool/protein-molecular-weight-calculator): Calculates protein or peptide molecular weight from a plain sequence or FASTA, with residue composition, theoretical extinction coefficient, and A280 at 1 mg/mL. - [Punnett Square Dihybrid](https://top10k.com/tool/punnett-square-dihybrid): Generates a 4x4 dihybrid Punnett square for two-gene crosses, showing all 16 offspring combinations with genotype and phenotype ratios. - [Punnett Square Monohybrid](https://top10k.com/tool/punnett-square-monohybrid): Generates a monohybrid Punnett square for a single-gene cross, showing genotype and phenotype ratios for offspring. - [Restriction Enzyme Finder](https://top10k.com/tool/restriction-enzyme-finder): Finds restriction enzyme cut sites in a DNA sequence from a built-in library of common enzymes. - [DNA Reverse Complement Tool](https://top10k.com/tool/reverse-complement-tool): Takes a DNA or RNA sequence and outputs its reverse complement, complement, and reverse — useful for primer design and molecular biology. - [DNA/RNA GC Content Calculator](https://top10k.com/tool/sequence-gc-content): Calculates GC content percentage of a DNA or RNA nucleotide sequence. Counts G, C, A, T (or U for RNA) bases, computes GC% = (G+C)/total*100, and displays a breakdown table with counts and percenta… - [Shannon Diversity Index Calculator](https://top10k.com/tool/shannon-diversity-index): Calculates the Shannon-Wiener diversity index (H') and species evenness (J') from species abundance data. Enter species names and counts to measure biodiversity in a community sample. - [Simpson Diversity Index Calculator](https://top10k.com/tool/simpson-diversity-index): Calculates Simpson's Diversity Index (D) and Simpson's Index of Diversity (1-D) for ecological species data. - [Spectrophotometry Calculator](https://top10k.com/tool/spectrophotometry-calculator): Calculate concentration from absorbance using the Beer-Lambert law (A = εlc). Enter molar absorptivity, path length, and absorbance to find concentration, or solve for any other variable. - [Test Cross Calculator](https://top10k.com/tool/test-cross-calculator): Calculates offspring genotype and phenotype ratios for a test cross (crossing an unknown dominant organism with a homozygous recessive), supporting monohybrid and dihybrid crosses. - [Tm Calculator Primer](https://top10k.com/tool/tm-calculator-primer): Calculates the melting temperature (Tm) of a DNA primer sequence using the Wallace rule and nearest-neighbor thermodynamics methods. - [Tm Primer Calculator](https://top10k.com/tool/tm-primer-calculator): Calculates the melting temperature (Tm) of a DNA primer sequence using the Wallace rule and nearest-neighbor thermodynamics method. ## Networking Tools (44) - [ASN Lookup](https://top10k.com/tool/asn-lookup): Autonomous System Number (ASN) reference and command generator — validates ASN format, generates whois/bgp lookup commands for terminals, and explains BGP routing concepts. Pure client-side: no ext… - [Bandwidth Calculator](https://top10k.com/tool/bandwidth-calculator): Calculate download/upload time for a file given a connection speed, or find the required bandwidth to transfer a file within a target time. Supports all common speed and size units. - [Baud Rate to Bit Rate Calculator](https://top10k.com/tool/baud-rate-calculator): Converts between baud rate (symbols/second) and bit rate (bits/second) based on bits per symbol (modulation scheme). Calculates channel throughput for common serial protocols: UART, RS-232, RS-485,… - [Binary to IP Address Converter](https://top10k.com/tool/binary-to-ip-converter): Converts a 32-bit binary string (four 8-bit octets) to a dotted-decimal IPv4 address, and vice versa. - [Bit Error Rate (BER) Calculator](https://top10k.com/tool/bit-error-rate-calculator): Calculates Bit Error Rate from measured error counts or from Eb/N0 SNR for BPSK modulation, showing errors per second and per hour at a given data rate. - [Common Network Ports Reference](https://top10k.com/tool/common-ports-reference): Searchable reference table of well-known TCP/UDP port numbers (0–1023) and registered ports, with protocol names, descriptions, and filter by category. - [Compression Savings Calculator](https://top10k.com/tool/compression-savings): Calculate the file size reduction and bandwidth savings from gzip or brotli compression for web assets. Enter original size and compression ratio to see bytes saved, transfer time reduction, and mo… - [Data Transfer Calculator](https://top10k.com/tool/data-transfer-calculator): Calculate how long a file transfer will take given the file size and connection speed. Supports bits and bytes, and multiple speed units like Mbps, Gbps, and MB/s. - [dB to Ratio Converter](https://top10k.com/tool/db-to-ratio-converter): Converts decibels (dB) to power or voltage ratios and back, used in RF, audio, and telecom engineering. - [DKIM Record Generator](https://top10k.com/tool/dkim-record-generator): Generates DKIM DNS TXT record entries from a public key and selector for email authentication setup. - [DMARC Record Generator](https://top10k.com/tool/dmarc-record-generator): Generate valid DMARC DNS TXT records by filling in policy options (p=, rua=, ruf=, pct=, sp=, adkim=, aspf=) — outputs the formatted TXT record string ready to publish. - [DNS Propagation Checker](https://top10k.com/tool/dns-propagation-checker): Explains DNS propagation concepts and lets users estimate propagation timing based on TTL values and resolver types. Pure client-side educational tool. - [DNS Record Lookup](https://top10k.com/tool/dns-record-lookup): Explains DNS record types (A, AAAA, MX, CNAME, TXT, NS, PTR) and provides a reference guide for interpreting DNS records and how to query them with dig/nslookup commands. - [Download Time Calculator](https://top10k.com/tool/download-time-calculator): Calculate estimated download time for any file size given your internet connection speed. Supports MB, GB, TB file sizes and Mbps, Kbps, Gbps speed units. - [Fresnel Zone Calculator](https://top10k.com/tool/fresnel-zone-calculator): Calculates the radius of the nth Fresnel zone at any point along a line-of-sight radio link, given frequency and path distances, to determine required antenna clearance. - [GeoIP Lookup](https://top10k.com/tool/geoip-lookup): Look up geolocation data — country, region, city, ISP, timezone, and coordinates — for any IP address. Shows your own IP on load. - [HTTP Header Checker](https://top10k.com/tool/http-header-checker): Reference tool explaining the most important HTTP response headers with a searchable, filterable table and a curl command generator. Pure client-side — no live URL fetching. - [IP Range to CIDR](https://top10k.com/tool/ip-range-to-cidr): Converts a start/end IPv4 address range into the minimal list of CIDR notation blocks that exactly cover it. - [IP Address to Binary Converter](https://top10k.com/tool/ip-to-binary-converter): Converts an IPv4 address to its 32-bit binary representation, showing each octet as an 8-bit group. - [IP to Decimal Converter](https://top10k.com/tool/ip-to-decimal-converter): Convert an IPv4 address to its 32-bit decimal integer representation and back, showing binary breakdown of each octet. - [IP To Hex Converter](https://top10k.com/tool/ip-to-hex-converter): Converts IPv4 and IPv6 addresses to their hexadecimal representation, and back from hex to IP; shows binary breakdown per octet. - [IPv4 to IPv6 Converter](https://top10k.com/tool/ipv4-to-ipv6-converter): Converts an IPv4 address to its IPv4-mapped IPv6 representation and other IPv6 formats including IPv4-compatible, Teredo, and 6to4. - [IPv6 Expander](https://top10k.com/tool/ipv6-expander): Expands compressed or abbreviated IPv6 addresses to their full 128-bit notation (8 groups of 4 hex digits), validates the address, and shows address type, compressed form, and binary representation. - [IPv6 Subnet Calculator](https://top10k.com/tool/ipv6-subnet-calculator): Parses an IPv6 address with prefix length and outputs the network address, first/last host, total addresses, and expanded/compressed notation. - [MAC Address Formatter](https://top10k.com/tool/mac-address-formatter): Convert and reformat MAC addresses between colon-separated (AA:BB:CC:DD:EE:FF), hyphen-separated (AA-BB-CC-DD-EE-FF), Cisco dot notation (AABB.CCDD.EEFF), and plain hex (AABBCCDDEEFF). Also perform… - [MAC Address Generator](https://top10k.com/tool/mac-address-generator): Generate random or custom MAC addresses in various formats (colon, dash, dot notation) with options for unicast/multicast and locally/globally administered bits. - [MTU Calculator](https://top10k.com/tool/mtu-calculator): Calculates optimal MTU size and fragmentation overhead for common network protocols including Ethernet, PPPoE, VPN tunnels, and VXLAN. - [Network Speed Converter](https://top10k.com/tool/network-speed-converter): Converts network speed values between bits per second, kilobits, megabits, gigabits, and their byte-based equivalents (KB/s, MB/s, GB/s). - [Ping Latency Classifier](https://top10k.com/tool/ping-latency-classifier): Enter a ping latency value in milliseconds and classify it as excellent, good, fair, or poor for gaming, video calls, and general browsing. - [Port Number Lookup](https://top10k.com/tool/port-number-lookup): Look up common TCP and UDP service assignments, identify the IANA port range, and distinguish a service reference from a live open-port test. - [PTR Record Generator](https://top10k.com/tool/ptr-record-generator): Generates the correct DNS PTR (reverse DNS) record string for a given IPv4 or IPv6 address. - [Reverse DNS Lookup](https://top10k.com/tool/reverse-dns-lookup): Performs a reverse DNS lookup by resolving an IP address to its associated hostname using the browser's DNS-over-HTTPS API. - [Smith Chart Helper](https://top10k.com/tool/smith-chart-helper): Converts between reflection coefficient (Gamma) and normalized impedance on a Smith chart, helping RF engineers with impedance matching calculations. - [Signal-to-Noise Ratio Calculator](https://top10k.com/tool/snr-calculator): Calculate signal-to-noise ratio (SNR) in decibels given signal power and noise power. Supports watts, milliwatts, and dBm inputs with quality interpretation. - [SPF Record Generator](https://top10k.com/tool/spf-record-generator): Generate SPF (Sender Policy Framework) DNS TXT records for email authentication. Select which mail senders to authorize and get a ready-to-paste TXT record with DNS lookup count validation. - [SSL Certificate Decoder](https://top10k.com/tool/ssl-certificate-decoder): Paste a PEM-encoded SSL/TLS certificate and instantly decode its fields — Common Name, SANs, issuer, validity dates, serial number, and signature algorithm — entirely in your browser. - [Subnet Mask Calculator](https://top10k.com/tool/subnet-mask-calculator): Calculates subnet mask, network address, broadcast address, host range, and total hosts from an IPv4 address and CIDR prefix length. - [TCP Window Size Calculator](https://top10k.com/tool/tcp-window-size-calculator): Calculate the optimal TCP receive window size for maximum throughput. Enter link speed and round-trip time to get the bandwidth-delay product and recommended window size in bytes and KB. - [tun2socks Config Generator](https://top10k.com/tool/tun2socks-config-generator): Generates a Windows launch .bat for xjasonlyu/tun2socks from a SOCKS5 proxy string in IP:PORT:USER:PASS or IP:PORT format. - [URL Parser](https://top10k.com/tool/url-parser): Parses any URL into its components (protocol, hostname, port, path, query parameters, fragment) with live client-side breakdown and copy buttons. - [User Agent Parser](https://top10k.com/tool/user-agent-parser-net): Parses any user agent string to extract browser name, version, OS, device type, and rendering engine with a clean breakdown display. - [VLSM (Variable Length Subnet Mask) Calculator](https://top10k.com/tool/vlsm-calculator): Performs Variable Length Subnet Masking — allocates subnets of different sizes from a base network block to satisfy host requirements. - [Whois Lookup](https://top10k.com/tool/whois-lookup): Learn how WHOIS domain and IP registration lookup works, get the standard query command, and find links to trusted public WHOIS services. - [Wildcard Mask Calculator](https://top10k.com/tool/wildcard-mask-calculator): Calculates the wildcard mask for a given subnet mask (or CIDR prefix) used in Cisco ACLs and OSPF configurations. ## E-Commerce Tools (31) - [Ad Spend Calculator](https://top10k.com/tool/ad-spend-calculator): Calculate total ad spend, ROAS, CPA, and CPM from your campaign inputs. Enter budget, revenue, conversions, and impressions to get all key advertising metrics instantly. - [Amazon FBA Fee Calculator](https://top10k.com/tool/amazon-fba-fee-calculator): Estimates Amazon FBA fulfillment fees based on product size tier, weight, and selling price; shows referral fee, fulfillment fee, and net profit. - [Average Order Value Calculator](https://top10k.com/tool/average-order-value-calculator): Calculates average order value (AOV) from total revenue and number of orders, with AOV improvement simulator to project revenue gains. - [Break-Even Units Calculator](https://top10k.com/tool/break-even-units-calculator): Calculates how many units must be sold to break even given fixed costs, variable cost per unit, and selling price per unit. - [Bundle Pricing Calculator](https://top10k.com/tool/bundle-pricing-calculator): Calculate discounted bundle prices when combining multiple products and see total savings versus buying items individually. - [Cart Abandonment Rate Calculator](https://top10k.com/tool/cart-abandonment-rate-calculator): Calculate your shopping cart abandonment rate from initiated checkouts and completed purchases, then estimate how much revenue you could recover by reducing abandonment. - [COGS Calculator](https://top10k.com/tool/cogs-calculator): Calculate Cost of Goods Sold (COGS) using beginning inventory, purchases, and ending inventory. Instantly see gross profit and gross margin percentage. - [Conversion Rate Calculator](https://top10k.com/tool/conversion-rate-calculator): Calculates website or campaign conversion rate from visits and conversions, plus revenue per visitor and cost per conversion. - [Customer Acquisition Cost Calculator](https://top10k.com/tool/customer-acquisition-cost-calculator): Calculates CAC from total sales and marketing spend divided by new customers acquired, with LTV:CAC ratio analysis and channel-by-channel breakdown. - [Customer Lifetime Value Calculator](https://top10k.com/tool/customer-lifetime-value-calculator): Calculate Customer Lifetime Value (CLV) using average order value, purchase frequency, and customer lifespan. Understand how much each customer is worth to your business. - [Dimensional Weight Calculator](https://top10k.com/tool/dimensional-weight-calculator): Calculate the dimensional (volumetric) weight of a package using L×W×H ÷ DIM divisor for FedEx, UPS, USPS, and DHL. Compares against actual weight to find billable weight. - [Discount Pricing Calculator](https://top10k.com/tool/discount-pricing-calculator): Calculates the sale price and savings amount when applying a percentage discount or a fixed-amount discount to an original price. - [eBay Fee Calculator](https://top10k.com/tool/ebay-fee-calculator): Estimate US eBay final value, per-order, promoted listing, insertion, shipping and item costs with an editable current fee rate. - [Economic Order Quantity Calculator](https://top10k.com/tool/economic-order-quantity-calculator): Calculates the optimal order quantity (EOQ) that minimizes total inventory holding and ordering costs, using the classic Wilson EOQ formula. - [Etsy Fee Calculator](https://top10k.com/tool/etsy-fee-calculator): Calculate Etsy seller fees — listing fee, transaction fee, payment processing fee — and see your net profit for any sale price and item cost. - [Gross Profit Calculator](https://top10k.com/tool/gross-profit-calculator): Calculate gross profit, gross margin percentage, and markup from revenue and cost of goods sold. - [Inventory Turnover Calculator](https://top10k.com/tool/inventory-turnover-calculator): Calculates inventory turnover ratio, days sales of inventory (DSI), and sell-through rate from COGS and average inventory values, with industry benchmark comparison. - [Markup from Margin Calculator](https://top10k.com/tool/markup-from-margin-calculator): Converts gross margin percentage to markup percentage and vice versa, and calculates selling price from cost plus markup or margin. - [Net Profit Margin Calculator](https://top10k.com/tool/net-profit-margin-calculator): Calculate net profit margin percentage from revenue and total costs. Includes formula breakdown, margin interpretation guide, and comparison benchmarks. - [PayPal Fee Calculator](https://top10k.com/tool/paypal-fee-calculator): Calculate the PayPal fee deducted from a payment and the net amount you receive, or gross up a desired net amount to determine what to charge. - [Price Elasticity Calculator](https://top10k.com/tool/price-elasticity-calculator): Calculate price elasticity of demand from percentage changes in price and quantity demanded. Instantly interprets whether demand is elastic, inelastic, or unit elastic. - [Ecommerce Profit Margin Calculator](https://top10k.com/tool/profit-margin-ecommerce): Calculates gross profit margin, markup percentage, and net profit for ecommerce sellers factoring in product cost, shipping, platform fees, and selling price. - [Reorder Point Calculator](https://top10k.com/tool/reorder-point-calculator): Calculates the inventory reorder point (ROP) — the stock level that triggers a new purchase order — based on average daily demand, lead time, and safety stock. - [Retail Price Calculator](https://top10k.com/tool/retail-price-calculator): Calculate retail selling price from cost and desired markup or margin percentage, showing profit and full markup/margin breakdown. - [ROAS Calculator](https://top10k.com/tool/roas-calculator): Calculates Return on Ad Spend (ROAS) from ad revenue and ad cost, with breakeven analysis and target ROAS planning for paid advertising campaigns. - [Marketing ROI Calculator](https://top10k.com/tool/roi-marketing): Calculates marketing return on investment, net profit from campaigns, and ROAS given spend, revenue, and cost-of-goods inputs. - [Safety Stock Calculator](https://top10k.com/tool/safety-stock-calculator): Calculate the optimal safety stock level for inventory management using demand variability, lead time variability, and a chosen service-level Z-score. - [Sales Tax Nexus Checker](https://top10k.com/tool/sales-tax-nexus-checker): Reference tool listing each US state's economic nexus threshold (revenue / transaction count) so sellers can quickly see where they may owe sales tax. - [Shipping Cost Calculator](https://top10k.com/tool/shipping-cost-calculator): Estimates shipping cost based on package weight, dimensions, and carrier rate per lb/kg. Supports flat rate and per-unit pricing models. - [Stripe Fee Calculator](https://top10k.com/tool/stripe-fee-calculator): Calculate Stripe processing fees and net payout for a given charge amount. Supports standard domestic, international card, and custom rates. Includes gross-up mode to find what to charge so you rec… - [Wholesale Price Calculator](https://top10k.com/tool/wholesale-price-calculator): Calculate wholesale price from cost and desired markup percentage. Shows retail price, profit margin, and suggested MSRP for resellers. ## Agriculture Tools (65) - [Beehive Honey Yield Estimator](https://top10k.com/tool/beehive-honey-yield) - [Board Foot Calculator](https://top10k.com/tool/board-foot-calculator) - [Carbon Footprint Calculator](https://top10k.com/tool/carbon-footprint-calculator): Estimates annual CO2-equivalent carbon footprint from household electricity, natural gas, vehicle miles, and flights, then shows a breakdown chart and offset suggestions. - [Cattle Stocking Rate Calculator](https://top10k.com/tool/cattle-stocking-rate): Calculate how many cattle your pasture can support based on acreage, forage type, animal unit months (AUM), and utilization rate. Avoid overgrazing with accurate stocking recommendations. - [Chicken Feed Calculator](https://top10k.com/tool/chicken-feed-calculator): Calculate daily, weekly, and 30-day feed requirements, bag counts, and feed costs for your chicken flock based on extension intake baselines. - [CO2 Emission Calculator](https://top10k.com/tool/co2-emission-calculator): Estimates CO2 equivalent emissions from common agricultural and lifestyle activities (fuel, electricity, livestock, fertilizer) using IPCC emission factors. - [Compost Ratio Calculator](https://top10k.com/tool/compost-ratio-calculator): Calculates the carbon-to-nitrogen (C:N) ratio of a compost mix from user-entered materials and their weights. - [Corn Yield Estimator](https://top10k.com/tool/corn-yield-estimator): Estimates corn yield in bushels per acre based on ear count, kernel rows, kernels per row, and an approximate test-weight adjustment. - [Crop Yield Calculator](https://top10k.com/tool/crop-yield-calculator): Calculates total crop harvest from field area and yield per unit area, with common crop presets and optional revenue estimate. - [Cropland GHG Calculator](https://top10k.com/tool/cropland-ghg-calculator): Estimates greenhouse gas emissions (CO2e) from cropland based on area, crop type, tillage practice, and fertilizer use using IPCC Tier 1 emission factors. - [Drip Line Flow Rate Calculator](https://top10k.com/tool/drip-line-flow-rate) - [Egg Incubation Calculator](https://top10k.com/tool/egg-incubation-calculator): Calculates the expected hatch date and tracks incubation progress for common poultry and bird eggs based on set date and species. - [Egg Production Rate Calculator](https://top10k.com/tool/egg-production-rate): Calculates hen-day and hen-housed egg production rates for poultry flocks. Enter eggs collected and hen counts to get industry-standard production percentages. - [Electricity Carbon Calculator](https://top10k.com/tool/electricity-carbon-calculator): Convert electricity usage in kWh into metric and US customary CO2e emissions with verified grid emission factor conversion, dual unit reporting, and an auditable copy summary. - [Evapotranspiration Calculator](https://top10k.com/tool/evapotranspiration-calculator): Estimates reference evapotranspiration (ET0) using the simplified Hargreaves method from temperature and solar radiation inputs for irrigation planning. - [Feed Cost Per Gain Calculator](https://top10k.com/tool/feed-cost-per-gain): Calculate the feed cost per pound or kilogram of live weight gain for livestock. Enter feed price, feed conversion ratio, and target daily gain to see your cost of gain. - [Fertilizer Calculator](https://top10k.com/tool/fertilizer-calculator): Calculates the amount of fertilizer product needed to apply a target nutrient rate (N, P, or K) per acre or per 1000 sq ft. - [Firewood Cord Calculator](https://top10k.com/tool/firewood-cord-calculator): Estimates cord equivalents from stacked or loose firewood dimensions, with inch/foot log-length input, metric volume, heat and optional value estimates. - [Flight Carbon Calculator](https://top10k.com/tool/flight-carbon-calculator): Estimates CO2 equivalent emissions for passenger flights using official UK DESNZ 2026 conversion factors by flight type, seating class, and radiative forcing option. - [Forest Carbon Calculator](https://top10k.com/tool/forest-carbon-calculator): Estimates the carbon sequestration (tonnes CO2e) of a forested area based on forest type, area size, and tree age using IPCC biomass factors. - [Frost Date Calculator](https://top10k.com/tool/frost-date-calculator): Estimates average last spring and first fall frost dates by US hardiness zone or city, showing growing season length and planting windows for common vegetables. - [Game Meat Yield Calculator](https://top10k.com/tool/game-meat-yield): Estimates edible meat yield from harvested game animals based on species and live or field-dressed weight, using standard yield percentages for deer, elk, wild boar, and other game. - [Garden Soil Calculator](https://top10k.com/tool/garden-soil-calculator): Calculates the volume of soil needed to fill a garden bed given its dimensions and desired depth. - [Gestation Calculator for Livestock](https://top10k.com/tool/gestation-calculator-livestock) - [Grain Bin Capacity Calculator](https://top10k.com/tool/grain-bin-capacity): Estimates the storage capacity of cylindrical grain bins in bushels and metric tons given diameter, eave height, and peak height, with common grain density presets. - [Grain Equilibrium Moisture Content Calculator](https://top10k.com/tool/grain-emc-calculator): Estimate the equilibrium moisture content (EMC) of grain at a given temperature and relative humidity using the Modified Henderson equation. - [Grain Moisture Shrink Calculator](https://top10k.com/tool/grain-moisture-shrink): Calculates the weight and bushel loss when drying grain from a higher moisture content to a target storage moisture, with shrink factor and drying cost estimate. - [Grain Storage Calculator](https://top10k.com/tool/grain-storage-calculator): Estimates the storage capacity of a cylindrical grain bin given its diameter and wall height, outputting volume in bushels and cubic meters. - [Grass Seed Calculator](https://top10k.com/tool/grass-seed-calculator): Calculate how many pounds of grass seed you need for your lawn based on grass type, seeding rate, and square footage. - [Greenhouse CO2 Dosing Calculator](https://top10k.com/tool/greenhouse-co2-dosing) - [Greenhouse Heating Calculator](https://top10k.com/tool/greenhouse-heating-calculator) - [Growing Degree Days Calculator](https://top10k.com/tool/growing-degree-days-calculator): Calculates growing degree days (GDD) to track crop development and predict harvest timing based on daily temperature data. - [Hay Bale Calculator](https://top10k.com/tool/hay-bale-calculator): Estimates the number of hay bales needed to feed livestock over a given period based on animal count, daily consumption, and bale weight. - [Irrigation Water Calculator](https://top10k.com/tool/irrigation-water-calculator): Calculate the volume of water needed to irrigate a field or garden given area, target soil moisture depth, and soil type, with runtime estimate for drip/sprinkler systems. - [Lime Rate Calculator](https://top10k.com/tool/lime-rate-calculator): Calculates how many tons of agricultural lime to apply per acre or hectare to raise soil pH to a target level, accounting for lime type and neutralizing value. - [Livestock Feed Ration Calculator](https://top10k.com/tool/livestock-feed-ration-calculator): Calculates daily nutritional requirements (DMI, protein, energy) for cattle, horses, sheep, goats, and pigs based on body weight and production stage. - [Log Volume Calculator](https://top10k.com/tool/log-volume-calculator): Calculates the board-foot and cubic-foot volume of a log using Doyle, Scribner, or International 1/4-inch log rules. - [Manure Application Calculator](https://top10k.com/tool/manure-application-calculator): Calculates the recommended manure application rate per acre based on crop nutrient requirements and manure nutrient content (N, P, K). - [Milk Production Estimator](https://top10k.com/tool/milk-production-estimator): Estimates daily and annual milk production for dairy cattle based on breed, lactation stage, and herd size. - [Crop NPK Removal Estimator](https://top10k.com/tool/npk-recommendation-calculator): Estimates harvested crop N, P2O5, and K2O removal for grain crops (corn, soybean, wheat) and calculates field-total nutrient export. - [Orchard Tree Density Calculator](https://top10k.com/tool/orchard-tree-density): Calculates the number of trees per acre or hectare for standard, high-density, and ultra-high-density orchard systems based on row spacing and in-row spacing, with common planting pattern presets. - [Pesticide Mix Calculator](https://top10k.com/tool/pesticide-mix-calculator): Calculates the correct amount of pesticide concentrate to mix for a given spray volume and label rate. - [Plant Population Calculator](https://top10k.com/tool/plant-population-calculator): Calculates the number of plants per acre or hectare based on row spacing and plant spacing, for crop planning. - [Corn Plant Population Calculator](https://top10k.com/tool/plant-population-corn): Calculates the number of corn plants per acre or hectare based on row spacing and seed spacing within rows, and estimates seed bags needed for a given field size. - [Plant Spacing Calculator](https://top10k.com/tool/plant-spacing-calculator): Calculate how many plants fit in a garden bed given bed dimensions, plant spacing, and layout pattern (square grid or triangular/offset rows). - [Rainwater Harvesting Calculator](https://top10k.com/tool/rainwater-harvesting-calculator): Estimates the volume of rainwater that can be collected from a roof catchment area given rainfall data, helping farmers and homeowners plan water storage systems. - [Raised Bed Soil Calculator](https://top10k.com/tool/raised-bed-soil-calculator): Calculates the volume and weight of soil mix needed to fill a raised garden bed of given dimensions. - [Rice Carbon Footprint Calculator](https://top10k.com/tool/rice-carbon-footprint-calculator): Estimates the greenhouse gas emissions (kg CO2e) from rice cultivation based on field area, water management type, and season length. - [Rice Yield Estimator](https://top10k.com/tool/rice-yield-estimator): Estimates rough rice (paddy) yield from transplanted hill counts or direct panicle frame counts, grains per panicle, and 1000-grain weight in metric and imperial units. - [Seed Rate Calculator](https://top10k.com/tool/seed-rate-calculator): Calculates the optimal seeding rate in kg/ha based on target plant density, thousand-kernel weight, germination rate, and field establishment percentage. - [Corn Seeding Rate Calculator](https://top10k.com/tool/seeding-rate-corn): Calculates the recommended seeding rate for corn based on field conditions, target plant population, germination rate, and expected field emergence. - [Silage Calculator](https://top10k.com/tool/silage-calculator): Estimates the as-fed weight, dry matter inventory, and feed value of a silage pile or bunker from dimensions and dry matter density. - [Silage Tonnage Calculator](https://top10k.com/tool/silage-tonnage-calculator): Estimates the tons of silage stored in a bunker, pile, or bag silo given dimensions and packing density, with dry matter adjustments. - [Sod Calculator](https://top10k.com/tool/sod-calculator): Calculate the amount of sod (turf) needed to cover a lawn area, with roll and pallet quantities and a cost estimate. - [Soil Moisture Calculator](https://top10k.com/tool/soil-moisture-calculator): Calculates volumetric soil moisture content and irrigation water requirements given soil type, field capacity, and current moisture readings. - [Soil Texture Calculator](https://top10k.com/tool/soil-texture-calculator): Classifies soil into one of 12 USDA texture classes (Sand through Clay) based on percent sand, silt, and clay inputs, with a Canvas soil texture triangle diagram showing the plotted point. - [Soybean Yield Estimator](https://top10k.com/tool/soybean-yield-estimator): Estimates soybean crop yield from field area, plant population, pods per plant, seeds per pod, and 100-seed weight, outputting kg/ha and total harvest in tonnes. - [Stocking Rate Calculator](https://top10k.com/tool/stocking-rate-calculator): Calculates the appropriate livestock stocking rate (animals per acre or hectare) based on land area, available forage, and animal forage demand. - [Timber Yield Calculator](https://top10k.com/tool/timber-yield-calculator): Estimates total board-feet yield from a stand using average 16-foot log small-end diameter, logs per tree, and tree count with Doyle, Scribner, and International 1/4-inch rules. - [Tomato Spacing Calculator](https://top10k.com/tool/tomato-spacing-calculator): Calculates how many tomato plants fit in a garden bed based on bed dimensions and spacing, with recommended spacing by tomato variety type (determinate, indeterminate, container). - [Tree Age Estimator](https://top10k.com/tool/tree-age-estimator): Estimates a tree's age from its trunk diameter at breast height (DBH) using species-specific growth factor coefficients. - [Tree Benefit Estimator](https://top10k.com/tool/tree-benefit-estimator): Estimates annual environmental and economic benefits of a tree including CO2 sequestration, energy savings, stormwater interception, and air quality improvement based on species and size. - [Tree Planting Carbon Offset Calculator](https://top10k.com/tool/tree-planting-offset-calculator): Estimates how many trees need to be planted to offset a given amount of CO2 emissions, based on average annual CO2 absorption rates per tree species. - [Vineyard Yield Estimator](https://top10k.com/tool/vineyard-yield-estimator): Estimates grape yield per acre or hectare based on row spacing, vine spacing, clusters per vine, average cluster weight, and vine count — outputs tons per acre and cases per acre. - [Wheat Yield Estimator](https://top10k.com/tool/wheat-yield-estimator): Estimates wheat crop yield per acre or hectare based on seed rate, plant spacing, heads per plant, grains per head, and thousand grain weight. Helps farmers plan production and marketing. ## Math Calculators (381) - [Absolute Value Calculator](https://top10k.com/tool/absolute-value-calculator): Calculates the absolute value of any real number, showing the distance from zero on a number line. - [Accuracy Calculator](https://top10k.com/tool/accuracy-calculator): Computes classification accuracy, precision, recall, F1 score, and specificity from a 2x2 confusion matrix (TP, FP, FN, TN) entered by the user. - [Adjacency Matrix Maker](https://top10k.com/tool/adjacency-matrix-tool): Makes and exports an adjacency matrix from user-defined nodes and edges, including directed, undirected, weighted and isolated-node graphs. - [American Odds Converter](https://top10k.com/tool/american-odds-converter) - [Amicable Number Checker](https://top10k.com/tool/amicable-number-checker): Check if two numbers form an amicable pair — each number equals the sum of proper divisors of the other — and list all amicable pairs up to a given limit. - [Arc Length Calculator](https://top10k.com/tool/arc-length-calculator): Calculate the arc length of a circular arc given a radius and central angle in degrees or radians. Also computes the chord length and sector area. - [Arccosine Calculator](https://top10k.com/tool/arccosine-calculator): Calculates the inverse cosine (arccos) of a value, returning the angle in degrees and radians. - [Arcsine Calculator](https://top10k.com/tool/arcsine-calculator): Calculates the arcsine (inverse sine) of a value, returning the angle in degrees and radians. - [Arctangent Calculator](https://top10k.com/tool/arctangent-calculator): Calculates the inverse tangent (arctan) of a value, returning the angle in degrees and radians; also supports atan2 for quadrant-aware results - [Area of an Annulus Calculator](https://top10k.com/tool/area-of-annulus): Calculates the area of an annulus (ring shape) from outer and inner radii using the formula A = pi * (R^2 - r^2). - [Area of a Circle Calculator](https://top10k.com/tool/area-of-circle): Calculate the area, circumference, and diameter of a circle from its radius or diameter. Supports metric and imperial units. - [Area of a Decagon Calculator](https://top10k.com/tool/area-of-decagon): Calculates the area and perimeter of a regular decagon (10-sided polygon) given the side length using the formula A = (10/4) × s² × cot(π/10), with an SVG preview and step-by-step breakdown. - [Area of an Ellipse Calculator](https://top10k.com/tool/area-of-ellipse): Calculate the area of an ellipse given its semi-major axis (a) and semi-minor axis (b) using the formula A = π × a × b. Instant result with step-by-step working. - [Area of a Heptagon Calculator](https://top10k.com/tool/area-of-heptagon): Calculates the area of a regular heptagon (7-sided polygon) given its side length using the formula A = (7/4) × s² × cot(π/7). - [Area of a Hexagon Calculator](https://top10k.com/tool/area-of-hexagon): Calculates the area of a regular hexagon given the side length or apothem. Shows the full formula and step-by-step working instantly. - [Area of a Kite Calculator](https://top10k.com/tool/area-of-kite): Calculates the area of a kite using its two diagonals (formula: Area = (d1 × d2) / 2). Enter any unit and get instant results with step-by-step working. - [Area of a Nonagon Calculator](https://top10k.com/tool/area-of-nonagon): Calculates the area of a regular nonagon (9-sided polygon) given the side length using the formula A = (9/4) × s² × cot(π/9) - [Area of an Octagon Calculator](https://top10k.com/tool/area-of-octagon): Calculates the area of a regular octagon given the side length using the formula A = 2(1+sqrt(2))s^2 - [Area of a Pentagon Calculator](https://top10k.com/tool/area-of-pentagon): Calculates the area of a regular pentagon from its side length using the formula A = (s² × √(25 + 10√5)) / 4. Shows step-by-step working instantly. - [Area of a Regular Polygon Calculator](https://top10k.com/tool/area-of-regular-polygon): Calculate the area of any regular polygon given the number of sides and either the side length or circumradius. Shows the full formula and step-by-step working instantly. - [Area of a Rhombus Calculator](https://top10k.com/tool/area-of-rhombus): Calculate the area of a rhombus using two diagonals (A = d1 × d2 / 2) or base and height (A = b × h). Instant results with step-by-step working shown. - [Area of a Sector Calculator](https://top10k.com/tool/area-of-sector): Calculates the area of a circular sector from radius and central angle (in degrees or radians) using A = (theta/2) * r^2. - [Area of Circular Segment Calculator](https://top10k.com/tool/area-of-segment): Calculates the area of a circular segment given radius and central angle. - [Area of a Semicircle Calculator](https://top10k.com/tool/area-of-semicircle): Calculate the area and perimeter (arc length + diameter) of a semicircle given its radius or diameter. Instant results with step-by-step working. - [Area of a Trapezoid Calculator](https://top10k.com/tool/area-of-trapezoid): Calculate the area of a trapezoid from its two parallel sides and height using A = (a + b) / 2 × h. Instant results with step-by-step working shown. - [Area of Triangle from Coordinates](https://top10k.com/tool/area-of-triangle-coordinates): Calculates the area of a triangle given the (x,y) coordinates of its three vertices using the shoelace formula; also shows perimeter and side lengths. - [Area Under Curve Calculator](https://top10k.com/tool/area-under-curve-calculator): Calculates the area under a curve (definite integral) numerically using Simpson's rule for a user-defined function over a specified interval. - [Arithmetic Sequence Calculator](https://top10k.com/tool/arithmetic-sequence-calculator): Computes the nth term, sum, and common difference of an arithmetic sequence given any two known values. - [Arithmetic Series Sum Calculator](https://top10k.com/tool/arithmetic-series-sum): Calculates the sum of an arithmetic series given first term, common difference, and number of terms using S = n/2 * (2a + (n-1)d). - [Armstrong Number Checker](https://top10k.com/tool/armstrong-number-checker): Check if a number is an Armstrong (narcissistic) number with step-by-step calculation and a list of all known Armstrong numbers up to 10,000. - [1:1 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-1-1): Calculates width or height to maintain a perfect 1:1 square aspect ratio for images, videos, and design elements. - [16:10 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-16-10): Calculate missing width or height for a 16:10 aspect ratio. Includes a live visual preview box and a table of common 16:10 resolutions. - [16:9 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-16-9): Calculates width or height for any 16:9 aspect ratio given the other dimension. - [3:2 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-3-2): Calculates missing width or height for the 3:2 aspect ratio (used in 35mm film, many DSLR sensors, and classic photography prints); enter width to get height or vice versa; includes a reference tab… - [4:3 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-4-3): Calculates width or height for any 4:3 aspect ratio given the other dimension. - [5:4 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-5-4): Given one dimension (width or height), calculates the other to maintain a strict 5:4 aspect ratio; also converts any custom dimensions to the nearest 5:4 equivalent. - [Average Rate Of Change Calculator](https://top10k.com/tool/average-rate-of-change-calculator): Calculates the average rate of change of a function between two points (slope of the secant line). Enter x1, y1, x2, y2 and get the result instantly. - [Azimuth to Bearing Converter](https://top10k.com/tool/azimuth-to-bearing-converter): Converts between azimuth angles (0-360 degrees clockwise from North) and compass quadrant bearings (e.g. N45E, S30W). Supports both directions — azimuth to bearing and bearing to azimuth. Used in s… - [Base Conversion (Any Base)](https://top10k.com/tool/base-conversion-any): Converts numbers between any two bases from 2 to 36 (binary, octal, decimal, hex, and custom bases) - [Base N Logarithm Calculator](https://top10k.com/tool/base-n-logarithm-calculator): Calculates the logarithm of a number to any arbitrary base using the change-of-base formula. - [Base32 to Base64 Converter](https://top10k.com/tool/base32-to-base64): Converts Base32-encoded strings to Base64 encoding client-side, re-encoding the decoded bytes without any server round-trip. - [Base32 to Binary Converter](https://top10k.com/tool/base32-to-binary): Converts Base32-encoded strings to binary (bit string) representation, decoding each Base32 character to its 5-bit equivalent. - [Base32 to Hexadecimal Converter](https://top10k.com/tool/base32-to-hexadecimal): Decodes a Base32-encoded string and re-encodes the bytes as a hexadecimal string. 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Supports standard and URL-safe Base64, with optional byte-group spacing. - [Base64 to Octal Converter](https://top10k.com/tool/base64-to-octal) - [Beta Distribution Calculator](https://top10k.com/tool/beta-distribution-calculator): Compute the PDF, CDF, mean, variance, mode, and other statistics for the Beta distribution given shape parameters alpha and beta, with an interactive chart. - [Bilinear Interpolation Calculator](https://top10k.com/tool/bilinear-interpolation-calculator): Performs bilinear interpolation to estimate a value at a point (x, y) given four surrounding corner values on a rectangular grid. - [Binary to Base32 Converter](https://top10k.com/tool/binary-to-base32): Converts binary strings to Base32 encoded output following RFC 4648. 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Enter outcomes and their probabilities to get the weighted average result. - [Expected Value Calculator (Discrete)](https://top10k.com/tool/expected-value-discrete): Calculate the expected value (mean), variance, and standard deviation of a discrete random variable from a custom probability distribution table. - [Exponent Calculator](https://top10k.com/tool/exponent-calculator): Calculate b^e (base raised to exponent) for any real base and integer or decimal exponent, with step-by-step breakdown. - [Exponential Distribution Calculator](https://top10k.com/tool/exponential-distribution-calculator): Calculate the PDF, CDF, survival function, mean, variance, and median of the exponential distribution for any rate parameter lambda and value x. - [Extended Euclidean Calculator](https://top10k.com/tool/extended-euclidean-calculator): Computes GCD and Bezout coefficients (s, t) for two integers a and b such that a·s + b·t = gcd(a,b), with a full step-by-step table. - [F-Distribution Calculator](https://top10k.com/tool/f-distribution-calculator): Calculate the F-distribution CDF and p-value given an F-statistic and degrees of freedom for hypothesis testing and ANOVA. - [F1 Score Calculator](https://top10k.com/tool/f1-score-calculator): Calculates F1 score (harmonic mean of precision and recall) for binary classifiers; inputs: True Positives, False Positives, False Negatives; outputs precision, recall, F1 score, and a confusion-ma… - [Fabric Yardage Calculator](https://top10k.com/tool/fabric-yardage-calculator): Calculates total fabric yardage needed for sewing projects based on pattern pieces, dimensions, and fabric width. - [Factorial Calculator](https://top10k.com/tool/factorial-calculator): Computes n! (factorial) for a non-negative integer, showing step-by-step expansion and the numeric result. - [Factorial Moment Calculator](https://top10k.com/tool/factorial-moment-calculator): Computes the r-th factorial moment of a discrete probability distribution; useful in combinatorics and statistics. - [Fermat's Little Theorem Calculator](https://top10k.com/tool/fermats-little-theorem-calculator): Verifies Fermat's Little Theorem for any prime p and base a, and computes a^k mod p using fast square-and-multiply modular exponentiation with BigInt precision. - [Fibonacci Calculator](https://top10k.com/tool/fibonacci-calculator): Compute Fibonacci sequence values and display the full series up to the nth term. Instantly find any Fibonacci number by index. - [Five Number Summary Calculator](https://top10k.com/tool/five-number-summary-calculator) - [Fixed Point Iteration](https://top10k.com/tool/fixed-point-iteration): Solve equations numerically using the fixed-point iteration method. 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Supports negative fractions and shows step-by-step working. - [Fraction To Decimal Calculator](https://top10k.com/tool/fraction-to-decimal-calculator): Converts any fraction (numerator/denominator) to its decimal equivalent, showing the full division step and whether the result is terminating or repeating. - [Fraction Visualizer](https://top10k.com/tool/fraction-visualizer): Visually display fractions as colored segments of a circle or bar chart. See equivalent fractions, decimal and percentage values instantly. Great for students learning fractions. - [Gamma Distribution Calculator](https://top10k.com/tool/gamma-distribution-calculator): Calculates PDF, CDF, mean, variance, and mode of the Gamma distribution given shape (k) and scale (theta) parameters. - [Gaussian Elimination Calculator](https://top10k.com/tool/gaussian-elimination-calculator): Solves a system of linear equations using Gaussian elimination with back-substitution, showing step-by-step row operations. - [GCD Calculator](https://top10k.com/tool/gcd-calculator): Calculates the Greatest Common Divisor (GCD) of two or more integers using the Euclidean algorithm. - [Geometric Distribution Calculator](https://top10k.com/tool/geometric-distribution-calculator): Calculates probabilities, mean, variance, and CDF for the geometric distribution given probability of success p. - [Geometric Mean Calculator](https://top10k.com/tool/geometric-mean-calculator): Calculate the geometric mean of a set of numbers. Ideal for growth rates, financial returns, and ratios where multiplicative relationships matter. - [Geometric Sequence Calculator](https://top10k.com/tool/geometric-sequence-calculator): Computes the nth term and finite or infinite sum from a geometric sequence's first term, common ratio, and term index. - [Geometric Series Sum](https://top10k.com/tool/geometric-series-sum): Calculates the sum of a finite or infinite geometric series given the first term, common ratio, and number of terms. - [Golden Ratio Calculator Design](https://top10k.com/tool/golden-ratio-calculator-design): Calculates golden ratio dimensions for design layouts — given one dimension, derives the other using phi (1.618). - [Gradient Vector Calculator](https://top10k.com/tool/gradient-vector-calculator): Computes the gradient vector (partial derivatives) of a two-variable function f(x,y) at a user-specified point, showing the direction of steepest ascent. - [Gram-Schmidt Calculator](https://top10k.com/tool/gram-schmidt-calculator): Apply the Gram-Schmidt orthogonalization process to 2 or 3 input vectors (2D or 3D) and get orthogonal and orthonormal basis vectors with step-by-step working shown. - [Graph Degree Calculator](https://top10k.com/tool/graph-degree-calculator): Calculates the degree of each vertex in a graph given an edge list, plus total degree sum and degree sequence. - [Happy Number Checker](https://top10k.com/tool/happy-number-checker): Check if a number is a happy number by iterating digit-square sums, with step-by-step sequence display. - [Harmonic Mean Calculator](https://top10k.com/tool/harmonic-mean-calculator): Calculate the harmonic mean of a set of numbers. Enter values separated by commas or new lines and get the result instantly. - [Harmonic Series Calculator](https://top10k.com/tool/harmonic-series-calculator): Computes the partial sum of the harmonic series H_n = 1 + 1/2 + 1/3 + ... + 1/n for a given n, showing each term and running total. - [Hessian Calculator](https://top10k.com/tool/hessian-calculator): Computes the Hessian matrix of second-order partial derivatives for a two-variable function f(x, y) and evaluates it at a given point to classify critical points. - [Hexadecimal to Base32 Converter](https://top10k.com/tool/hexadecimal-to-base32): Converts a hexadecimal string to Base32 encoding (RFC 4648), with bidirectional conversion support. - [Hexadecimal to Base36 Converter](https://top10k.com/tool/hexadecimal-to-base36): Converts hexadecimal (base-16) numbers to base-36 representation using digits 0-9 and letters A-Z. Supports arbitrarily large hex values with instant client-side conversion. - [Hexadecimal to Base64 Converter](https://top10k.com/tool/hexadecimal-to-base64): Converts a hexadecimal string to its Base64-encoded equivalent, with optional URL-safe Base64 output and reverse (Base64 to hex) conversion. - [Hexadecimal to Binary Converter](https://top10k.com/tool/hexadecimal-to-binary): Converts hexadecimal numbers to binary representation instantly. Supports prefixed input (0x), grouped binary output, and batch multi-value conversion. - [Hexadecimal to Decimal Converter](https://top10k.com/tool/hexadecimal-to-decimal): Converts a hexadecimal (base-16) number to its decimal (base-10) representation. - [Hexadecimal to Octal Converter](https://top10k.com/tool/hexadecimal-to-octal): Converts a hexadecimal number to its octal representation instantly in your browser. Supports any hex value with optional prefix notation. - [Hyperbola Properties Calculator](https://top10k.com/tool/hyperbola-properties): Computes all properties of a hyperbola from the standard form equation x²/a² − y²/b² = 1 (horizontal) or y²/a² − x²/b² = 1 (vertical): semi-axes a and b, focal distance c, eccentricity, asymptote s… - [Hyperbolic Cosine Calculator](https://top10k.com/tool/hyperbolic-cosine-calculator): Calculates the hyperbolic cosine (cosh) of a number, with support for degrees and radians input modes. - [Hyperbolic Sine Calculator](https://top10k.com/tool/hyperbolic-sine-calculator): Computes the hyperbolic sine (sinh) of any real number with step-by-step formula display. - [Hyperbolic Tangent Calculator](https://top10k.com/tool/hyperbolic-tangent-calculator): Calculates the hyperbolic tangent (tanh) of a number, showing the result and the inverse (arctanh) as well. - [Hypergeometric Distribution Calculator](https://top10k.com/tool/hypergeometric-distribution): Calculates the probability mass function (PMF) and cumulative distribution function (CDF) for the hypergeometric distribution — sampling without replacement from a finite population. - [Implied Probability Odds Calculator](https://top10k.com/tool/implied-probability-odds): Convert any odds format — decimal, fractional, or American (moneyline) — to implied probability percentage. Instantly see the break-even win rate baked into a given price. - [Indefinite Integral Calculator](https://top10k.com/tool/indefinite-integral-calculator): Shows step-by-step indefinite integrals for common polynomial, trigonometric, and exponential functions using a rule-based lookup table. - [Infinite Geometric Series Calculator](https://top10k.com/tool/infinite-geometric-series): Calculates the sum of an infinite geometric series S = a / (1 - r) when |r| < 1, and checks divergence when |r| >= 1. - [Interquartile Range Calculator](https://top10k.com/tool/interquartile-range-calculator): Calculate Q1, Q2 (median), Q3, and IQR for any dataset. 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Supports an optional Powerball-style bonus ball for multi-drum lotteries. - [Maclaurin Series Calculator](https://top10k.com/tool/maclaurin-series-calculator): Expand common functions as Maclaurin series (Taylor series at x=0) — sin(x), cos(x), e^x, ln(1+x), tan(x), and more — up to a chosen number of terms. - [Margin Of Error Calculator](https://top10k.com/tool/margin-of-error-calculator): Calculates the margin of error for a survey or poll given confidence level, sample size, and population proportion. - [Markov Chain Calculator](https://top10k.com/tool/markov-chain-calculator): Enter an n×n transition matrix row by row and compute the steady-state probability vector plus the state distribution after k steps from any initial distribution. - [Matrix Adjugate Calculator](https://top10k.com/tool/matrix-adjugate-calculator): Computes the adjugate (classical adjoint) of a 2x2 or 3x3 matrix entered by the user. - [Matrix Determinant Calculator](https://top10k.com/tool/matrix-determinant-calculator): Calculates the determinant of 2x2, 3x3, and 4x4 matrices with step-by-step working shown. - [Matrix Inverse Calculator](https://top10k.com/tool/matrix-inverse-calculator) - [Matrix Multiplication Calculator](https://top10k.com/tool/matrix-multiplication-calculator): Multiplies two matrices of compatible dimensions with step-by-step result display. 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Instantly shows the change amount and direction. - [Percentile Calculator](https://top10k.com/tool/percentile-calculator): Finds the percentile rank of a value within a dataset, or finds the value at a given percentile, using standard linear interpolation. - [Perfect Number Checker](https://top10k.com/tool/perfect-number-checker): Checks if a number is a perfect number (sum of proper divisors equals the number itself), lists all divisors, and shows nearby perfect numbers. - [Perimeter of an Annulus Calculator](https://top10k.com/tool/perimeter-of-annulus) - [Perimeter of a Circle Calculator](https://top10k.com/tool/perimeter-of-circle): Calculate the circumference (perimeter) of a circle given its radius or diameter. Shows the formula and step-by-step working. - [Perimeter of a Decagon Calculator](https://top10k.com/tool/perimeter-of-decagon): Calculate the perimeter of a regular decagon given its side length. - [Perimeter of an Ellipse Calculator](https://top10k.com/tool/perimeter-of-ellipse): Approximate the perimeter of an ellipse using Ramanujan's formula given semi-major and semi-minor axes. - [Perimeter of a Heptagon Calculator](https://top10k.com/tool/perimeter-of-heptagon): Calculates the perimeter of a regular heptagon (7-sided polygon) given its side length using the formula P = 7s. - [Perimeter of a Hexagon Calculator](https://top10k.com/tool/perimeter-of-hexagon): Calculates the perimeter of a regular hexagon given its side length using the formula P = 6s. - [Perimeter of a Kite Calculator](https://top10k.com/tool/perimeter-of-kite): Calculates the perimeter of a kite using its two pairs of equal-length sides (formula: P = 2(a + b)). - [Perimeter of a Nonagon Calculator](https://top10k.com/tool/perimeter-of-nonagon): Calculate the perimeter of a regular 9-sided polygon given its side length. - [Perimeter of an Octagon Calculator](https://top10k.com/tool/perimeter-of-octagon): Calculates the perimeter of a regular octagon given the side length using the formula P = 8s. - [Perimeter of a Parallelogram Calculator](https://top10k.com/tool/perimeter-of-parallelogram): Calculate the perimeter of a parallelogram by entering its two adjacent side lengths. Uses the formula P = 2(a + b). - [Perimeter of a Pentagon Calculator](https://top10k.com/tool/perimeter-of-pentagon): Calculates the perimeter of a regular or irregular pentagon given side lengths - [Perimeter of a Rectangle Calculator](https://top10k.com/tool/perimeter-of-rectangle): Calculate the perimeter of a rectangle instantly by entering its length and width. Uses the formula P = 2 * (length + width). - [Perimeter of a Regular Polygon Calculator](https://top10k.com/tool/perimeter-of-regular-polygon): Calculate the perimeter of any regular polygon using P = n × s, where n is the number of sides and s is the side length. - [Perimeter of a Rhombus Calculator](https://top10k.com/tool/perimeter-of-rhombus): Calculates the perimeter of a rhombus using side length (P = 4a) or diagonals - [Perimeter of a Sector Calculator](https://top10k.com/tool/perimeter-of-sector): Calculates the perimeter of a circular sector given the radius and central angle. - [Perimeter of a Segment Calculator](https://top10k.com/tool/perimeter-of-segment) - [Perimeter of a Semicircle Calculator](https://top10k.com/tool/perimeter-of-semicircle): Calculate the perimeter of a semicircle (arc length plus diameter) from a radius or diameter. Instant results with step-by-step working and a labeled diagram. - [Perimeter of a Trapezoid Calculator](https://top10k.com/tool/perimeter-of-trapezoid): Calculate the perimeter of a trapezoid by entering its four side lengths. Instantly shows the total perimeter with a clear diagram. - [Permutation Calculator](https://top10k.com/tool/permutation-calculator): Calculates the number of permutations P(n,r) = n! / (n-r)! for choosing r items from n items where order matters. - [Permutations With Repetition Calculator](https://top10k.com/tool/permutations-with-repetition): Counts ordered arrangements of n items taken r at a time where repetition is allowed. Uses the formula n^r to compute the total number of possible sequences. - [Perpendicular Line Calculator](https://top10k.com/tool/perpendicular-line-calculator): Find the equation of a line perpendicular to a given line passing through a specific point. Supports slope-intercept form input or two-point input. Outputs the perpendicular slope, slope-intercept … - [Pigeonhole Principle Calculator](https://top10k.com/tool/pigeonhole-calculator): Applies the pigeonhole principle to determine the minimum number of items needed to guarantee at least one container holds a specified number of items, and to find the guaranteed maximum load. - [Point To Plane Distance Calculator](https://top10k.com/tool/point-to-plane-distance-calculator): Calculates the shortest distance from a 3D point to a plane defined by equation ax+by+cz+d=0 - [Poisson Distribution Calculator](https://top10k.com/tool/poisson-distribution-calculator): Calculate Poisson probability P(X=k), cumulative P(X≤k), and P(X>k) given lambda (average rate) and k (number of events), with a probability distribution bar chart. - [Polar Equation Plotter](https://top10k.com/tool/polar-equation-plotter): Plot polar equations r = f(theta) on an HTML5 Canvas by converting to Cartesian coordinates. 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Shows single-draw win chance and the cumulative at-least-one-win probability. - [Range Calculator](https://top10k.com/tool/range-calculator): Calculate the statistical range of a dataset instantly. Enter a list of numbers and get the range (max minus min), along with the minimum and maximum values. - [Recursive Sequence Calculator](https://top10k.com/tool/recursive-sequence-calculator): Generate terms of a recursive sequence by entering initial values and a recurrence relation. Supports arithmetic, geometric, Fibonacci-style, and custom formula patterns. - [Reflection Calculator](https://top10k.com/tool/reflection-calculator): Reflect a 2D point across the x-axis, y-axis, y=x line, y=−x line, origin, or a custom line y=mx+b. Shows the formula and step-by-step work. - [Riemann Sum Calculator](https://top10k.com/tool/riemann-sum-calculator): Approximates a definite integral using left, right, or midpoint Riemann sums for a user-entered function over a given interval with n subintervals. - [Rotation Matrix 2D](https://top10k.com/tool/rotation-matrix-2d): Generates the 2D rotation matrix for a given angle and applies it to a point (x, y). Shows the full matrix, rotated coordinates, and step-by-step calculation. - [Roulette Odds Calculator](https://top10k.com/tool/roulette-odds-calculator): Calculate win probability, house edge, expected value, and payout for any roulette bet type on American (double-zero) and European (single-zero) wheels. - [Runge-Kutta Calculator (RK4)](https://top10k.com/tool/runge-kutta-calculator) - [Sample Size Calculator](https://top10k.com/tool/sample-size-calculator): Calculates the required sample size for a survey or study given desired margin of error, confidence level, and population size. - [Scalar Triple Product Calculator](https://top10k.com/tool/scalar-triple-product): Calculates the scalar triple product of three 3D vectors: a · (b × c), which gives the signed volume of the parallelepiped formed by the vectors. - [Scaling Transformation Calculator](https://top10k.com/tool/scaling-transformation): Applies a 2D or 3D scaling transformation to coordinates — enter point(s) and scale factors (sx, sy, sz) to compute the scaled result. - [Scientific Notation Calculator](https://top10k.com/tool/scientific-notation-calculator): Convert numbers to and from scientific notation, perform arithmetic operations (add, subtract, multiply, divide) on values in scientific notation, and explore step-by-step explanations. - [Secant Calculator](https://top10k.com/tool/secant-calculator): Calculates the secant (1/cos) of an angle in degrees or radians, with step-by-step working and a unit circle reference. - [Secant Method Calculator](https://top10k.com/tool/secant-method-calculator): Find roots of any function using the secant method — a root-finding numerical analysis technique that does not require computing derivatives. - [Second Derivative Calculator](https://top10k.com/tool/second-derivative-calculator): Computes the second derivative of polynomial functions symbolically using the power rule twice, with full step-by-step working for each term. - [Separable ODE Solver](https://top10k.com/tool/separable-ode-solver) - [Sequence Nth Term Finder](https://top10k.com/tool/sequence-nth-term-finder): Finds the nth term formula for arithmetic sequences (a + (n-1)d), geometric sequences (a * r^(n-1)), and quadratic sequences from a list of input terms, then computes the value at any given n. - [Set Operations Calculator](https://top10k.com/tool/set-operations-calculator) - [Significant Figures Calculator](https://top10k.com/tool/significant-figures-calculator): Rounds a number to a specified number of significant figures and shows the result in standard and scientific notation. - [Simpson's Rule Calculator](https://top10k.com/tool/simpsons-rule-calculator): Numerically integrates a function over an interval using Simpson's 1/3 rule with a user-defined number of subintervals. - [Sine Calculator](https://top10k.com/tool/sine-calculator): Calculate the sine of any angle in degrees or radians instantly. Shows the full result with step-by-step context and a unit circle reference. - [Skewness Calculator](https://top10k.com/tool/skewness-calculator): Calculates the skewness (measure of asymmetry) of a dataset using Pearson's or Fisher's formula. - [Slope Calculator](https://top10k.com/tool/slope-calculator): Calculates the slope (gradient) between two points, displays slope as fraction and decimal, angle in degrees, y-intercept, and the line equation in slope-intercept form. - [Slope Intercept Calculator](https://top10k.com/tool/slope-intercept-calculator): Finds the slope and y-intercept of a line from two points or equation, and plots the line. - [Sphere Equation Calculator](https://top10k.com/tool/sphere-equation-calculator): Computes radius, diameter, surface area, and volume of a sphere from any one input (radius, diameter, surface area, or volume). - [Standard Deviation Calculator](https://top10k.com/tool/standard-deviation-calculator): Calculates population and sample standard deviation, mean, variance, and other descriptive statistics for a list of numbers. - [Stirling Number Calculator](https://top10k.com/tool/stirling-number-calculator): Computes Stirling numbers of the first kind (cycle permutations) and second kind (set partitions) for combinatorics problems. - [Student T-Distribution Calculator](https://top10k.com/tool/student-t-distribution) - [Sum of Cubes Calculator](https://top10k.com/tool/sum-of-cubes-calculator): Calculates the sum of cubes of integers from 1 to n using the closed-form formula [n(n+1)/2]², and also accepts a custom list of numbers to cube and sum. - [Sum of Squares Calculator](https://top10k.com/tool/sum-of-squares-calculator): Calculates the sum of squares (SS) for a list of numbers, including total SS, mean, and variance — useful for ANOVA and regression analysis. - [Surface Area of a Capsule Calculator](https://top10k.com/tool/surface-area-of-capsule): Calculates the total surface area of a capsule (cylinder with hemispherical ends) given radius and cylinder height. - [Surface Area of a Cone Calculator](https://top10k.com/tool/surface-area-of-cone): Calculates the total and lateral surface area of a right circular cone given radius and height (or slant height). Formula: Total SA = πr² + πrl where l = slant height = √(r²+h²). - [Surface Area of a Cube Calculator](https://top10k.com/tool/surface-area-of-cube): Calculates the total surface area of a cube given the side length, showing the formula and all 6 faces. - [Surface Area of a Cuboid Calculator](https://top10k.com/tool/surface-area-of-cuboid): Calculates the total surface area of a rectangular cuboid given length, width, and height. - [Surface Area of a Cylinder Calculator](https://top10k.com/tool/surface-area-of-cylinder): Calculates the total and lateral surface area of a cylinder given its radius and height. - [Surface Area of a Dodecahedron Calculator](https://top10k.com/tool/surface-area-of-dodecahedron): Calculates the surface area of a regular dodecahedron given edge length using SA = 3*sqrt(25+10*sqrt(5))*a^2 - [Surface Area of an Ellipsoid Calculator](https://top10k.com/tool/surface-area-of-ellipsoid): Calculates the surface area of an ellipsoid given its three semi-axes a, b, and c using Knud Thomsen's approximation formula. Accurate to within 1% for most shapes. - [Surface Area of a Frustum Calculator](https://top10k.com/tool/surface-area-of-frustum): Calculates the lateral and total surface area of a frustum (truncated cone) given the top radius, bottom radius, and slant height. - [Surface Area of a Hemisphere Calculator](https://top10k.com/tool/surface-area-of-hemisphere): Calculate the curved surface area (CSA) and total surface area (TSA) of a hemisphere given its radius or diameter. Includes step-by-step working. - [Surface Area of an Icosahedron Calculator](https://top10k.com/tool/surface-area-of-icosahedron): Calculate the surface area of a regular icosahedron from its edge length using the formula SA = 5√3 × a². - [Surface Area of a Octahedron Calculator](https://top10k.com/tool/surface-area-of-octahedron): Calculates the total surface area of a regular octahedron from its edge length using the exact formula SA = 2√3 × a². - [Surface Area of a Pyramid Calculator](https://top10k.com/tool/surface-area-of-pyramid): Calculate the total and lateral surface area of a right square or rectangular pyramid from its base dimensions and vertical height. - [Surface Area of a Rectangular Prism Calculator](https://top10k.com/tool/surface-area-of-rectangular-prism) - [Surface Area of a Sphere Calculator](https://top10k.com/tool/surface-area-of-sphere): Calculates the surface area of a sphere given its radius using the formula 4πr². - [Surface Area of a Square Pyramid Calculator](https://top10k.com/tool/surface-area-of-square-pyramid): Calculates the total surface area of a square pyramid given base side length and slant height using SA = a² + 2*a*l - [Surface Area of a Tetrahedron Calculator](https://top10k.com/tool/surface-area-of-tetrahedron): Calculates the surface area of a regular tetrahedron given edge length. - [Surface Area of a Torus Calculator](https://top10k.com/tool/surface-area-of-torus): Calculate the total surface area of a torus given its major radius R (distance from the center of the tube to the center of the torus) and minor radius r (radius of the tube). - [Surface Area of a Triangular Prism Calculator](https://top10k.com/tool/surface-area-of-triangular-prism): Calculates the total surface area of a triangular prism given the three side lengths (a, b, c) of the triangular base and the prism length. Uses Heron's formula for the base area and adds the three… - [Surface Integral Calculator](https://top10k.com/tool/surface-integral-calculator): Numerically evaluates surface integrals of scalar functions over parametric surfaces using 2D Gaussian quadrature with step-by-step output. - [Synthetic Division Calculator](https://top10k.com/tool/synthetic-division-calculator): Performs polynomial synthetic division step-by-step, showing quotient and remainder. - [System By Cramer's Rule](https://top10k.com/tool/system-by-cramers-rule): Solves a 2x2 or 3x3 system of linear equations using Cramer's Rule, showing determinants step-by-step. - [T Test Calculator](https://top10k.com/tool/t-test-calculator): Computes the one-sample, independent two-sample, or paired t-test statistic and p-value from raw data or summary statistics. - [Tangent Calculator](https://top10k.com/tool/tangent-calculator): Calculates the tangent of an angle in degrees or radians instantly. Supports inverse tangent (arctan), shows exact steps, and handles special angles. - [Taylor Series Calculator](https://top10k.com/tool/taylor-series-calculator): Computes the Taylor series expansion of common functions (sin, cos, exp, ln) around a point up to a user-specified number of terms. - [Telescoping Series Calculator](https://top10k.com/tool/telescoping-series-calculator): Evaluates telescoping series of the form sum 1/(n*(n+k)) by showing term-by-term cancellation and computing the partial and infinite sums. - [Translation Calculator](https://top10k.com/tool/translation-calculator): Applies a geometric translation to 2D or 3D coordinates. Enter one or more points and a translation vector to get the shifted coordinates instantly. - [Trapezoidal Rule Calculator](https://top10k.com/tool/trapezoidal-rule-calculator): Approximate the definite integral of any function over [a, b] using the composite trapezoidal rule with n subintervals. - [Triangle Centroid Calculator](https://top10k.com/tool/triangle-centroid-calculator): Calculate the centroid (geometric center) of a triangle from the coordinates of its three vertices. Shows the centroid point and a canvas visualization of the triangle. - [Triangle Circumcenter Calculator](https://top10k.com/tool/triangle-circumcenter): Find the circumcenter and circumradius of a triangle from its three vertex coordinates. Shows step-by-step perpendicular bisector math. - [Triangle Incenter Calculator](https://top10k.com/tool/triangle-incenter): Finds the incenter (intersection of angle bisectors) and inradius of a triangle given the coordinates of its three vertices. - [Triangle Orthocenter Calculator](https://top10k.com/tool/triangle-orthocenter): Find the orthocenter of a triangle from its three vertex coordinates. Shows altitude equations and step-by-step intersection math. - [Triangular Number Calculator](https://top10k.com/tool/triangular-number-calculator): Calculates the Nth triangular number using T(n) = n(n+1)/2, and also lists the first N triangular numbers in a sequence. - [Triple Integral Numeric Solver](https://top10k.com/tool/triple-integral-numeric): Numerically evaluates triple integrals over a rectangular box domain using the midpoint rule. - [Truth Table Generator](https://top10k.com/tool/truth-table-generator): Generate a complete truth table for any Boolean logic expression with up to 4 variables. Supports AND, OR, NOT, XOR, NAND, NOR, XNOR operators. - [Two Sample T-Test Calculator](https://top10k.com/tool/two-sample-t-test): Performs an independent two-sample t-test to compare means of two groups and determine statistical significance. - [Uniform Distribution Calculator](https://top10k.com/tool/uniform-distribution-calculator) - [Unit Vector Calculator](https://top10k.com/tool/unit-vector-calculator): Computes the unit vector (normalized direction vector) from any 2D or 3D vector. Instantly shows the magnitude and each normalized component. - [Variance Calculator](https://top10k.com/tool/variance-calculator): Calculate population variance and sample variance from a list of numbers. Shows mean, deviations, and step-by-step breakdown. - [Variance Discrete](https://top10k.com/tool/variance-discrete): Calculates the variance and standard deviation of a discrete probability distribution given values and their probabilities. - [Vector Angle Calculator](https://top10k.com/tool/vector-angle-calculator): Calculate the angle between two 2D or 3D vectors using the dot product formula. Supports degrees and radians output. - [Vector Magnitude Calculator](https://top10k.com/tool/vector-magnitude-calculator): Calculates the magnitude (length/norm) of a 2D or 3D vector from its components. - [Vector Projection Calculator](https://top10k.com/tool/vector-projection-calculator): Project one 2D or 3D vector onto another and compute both the scalar projection and the vector projection, with step-by-step working shown. - [Venn Diagram Calculator](https://top10k.com/tool/venn-diagram-calculator): Calculate set union, intersection, and difference for two sets entered as comma-separated values. Results include element counts and a visual Venn diagram. - [Volume of a Capsule Calculator](https://top10k.com/tool/volume-of-capsule): Calculate the volume and surface area of a capsule (a cylinder with two hemispherical ends) by entering its radius and cylinder height. Supports metric and imperial units with instant results. - [Volume of a Cone Calculator](https://top10k.com/tool/volume-of-cone): Calculate the volume of a cone given its radius and height using the formula V = (1/3)πr²h. Supports metric and imperial units. - [Volume of a Cube Calculator](https://top10k.com/tool/volume-of-cube): Calculates the volume of a cube given the side length, with instant results and formula display. - [Volume of a Cuboid Calculator](https://top10k.com/tool/volume-of-cuboid): Calculates the volume and surface area of a cuboid given its length, width, and height. - [Volume of a Cylinder Calculator](https://top10k.com/tool/volume-of-cylinder): Calculate the volume and surface area of a cylinder by entering its radius and height. Supports metric and imperial units with instant results. - [Volume of a Dodecahedron Calculator](https://top10k.com/tool/volume-of-dodecahedron): Calculate the volume of a regular dodecahedron from its edge length using the exact formula V = (15+7√5)/4 × a³. - [Volume of an Ellipsoid Calculator](https://top10k.com/tool/volume-of-ellipsoid): Calculates the volume of an ellipsoid given its three semi-axes a, b, c using V = (4/3)π·a·b·c - [Volume of a Frustum Calculator](https://top10k.com/tool/volume-of-frustum): Calculates the volume of a frustum (truncated cone) given the top radius, bottom radius, and height using V = (π·h/3)·(R²+R·r+r²). - [Volume of a Hemisphere Calculator](https://top10k.com/tool/volume-of-hemisphere) - [Volume of a Icosahedron Calculator](https://top10k.com/tool/volume-of-icosahedron): Calculates the volume of a regular icosahedron from its edge length using the exact formula V = (5/12)(3+sqrt(5)) * a^3 - [Volume of a Octahedron Calculator](https://top10k.com/tool/volume-of-octahedron) - [Volume of a Pyramid Calculator](https://top10k.com/tool/volume-of-pyramid): Calculates the volume of a pyramid given base area and height. Supports square base (side × side), rectangular base (length × width), and triangular base. Formula: V = (1/3) × base_area × height. - [Volume of a Rectangular Prism Calculator](https://top10k.com/tool/volume-of-rectangular-prism): Calculates the volume of a rectangular prism (cuboid) given length, width, and height using V = l × w × h. Also shows total surface area as a bonus. - [Volume of a Sphere Calculator](https://top10k.com/tool/volume-of-sphere): Calculates the volume of a sphere given its radius using V = (4/3)πr³ - [Volume of a Square Pyramid Calculator](https://top10k.com/tool/volume-of-square-pyramid) - [Volume of a Tetrahedron Calculator](https://top10k.com/tool/volume-of-tetrahedron): Calculates the volume of a regular or irregular tetrahedron using edge length or base and height inputs. - [Volume of a Torus Calculator](https://top10k.com/tool/volume-of-torus): Calculates the volume of a torus (donut shape) given the major radius R and minor radius r using the formula V = 2π²Rr². - [Volume of a Triangular Prism Calculator](https://top10k.com/tool/volume-of-triangular-prism): Calculates the volume of a triangular prism given base, height of triangle, and length of prism using V = (1/2) * b * h * l. - [Weighted Average Calculator](https://top10k.com/tool/weighted-average-calculator): Calculate the weighted average (weighted mean) of a set of values and their associated weights. Add rows, adjust weights, and see the result instantly. - [Wronskian Calculator](https://top10k.com/tool/wronskian-calculator): Compute the Wronskian determinant for 2 or 3 functions of a variable to test linear independence. Enter functions using standard notation and get step-by-step derivative and determinant calculations. - [Z Score Calculator](https://top10k.com/tool/z-score-calculator): Calculates the z-score (standard score) for a value given the population mean and standard deviation, and interprets the result. - [Z Table Lookup](https://top10k.com/tool/z-table-lookup): Looks up the cumulative probability (area under curve) for a given Z-score using the standard normal distribution, with both left-tail and right-tail output. ## Automotive Tools (31) - [0 To 60 Calculator](https://top10k.com/tool/0-to-60-calculator): Estimates 0-60 mph (or 0-100 km/h) acceleration time based on horsepower, vehicle weight, and drivetrain efficiency. - [Air Fuel Ratio Calculator](https://top10k.com/tool/air-fuel-ratio-calculator): Calculates the air-fuel ratio (AFR) for internal combustion engines, shows lambda (equivalence ratio), and indicates whether the mixture is rich, stoichiometric, or lean — useful for tuners and mec… - [Axle Ratio Calculator](https://top10k.com/tool/axle-ratio-calculator): Calculates axle (differential) ratio from ring gear and pinion gear teeth counts, and shows its effect on RPM, speed, and torque multiplication. - [Brake Horsepower Calculator](https://top10k.com/tool/brake-horsepower-calculator): Calculates brake horsepower (BHP) from torque and RPM using BHP = (Torque × RPM) / 5252, with conversions to kW and PS (metric horsepower). - [Car Depreciation Calculator](https://top10k.com/tool/car-depreciation-calculator): Calculate how much a car loses in value over time using straight-line or declining-balance depreciation. See current value, total depreciation, and a year-by-year schedule. - [Car Loan Calculator](https://top10k.com/tool/car-loan-calculator): Calculate your monthly car loan payment, total interest paid, and total cost given the loan amount, annual interest rate, and loan term. - [Compression Ratio Calculator](https://top10k.com/tool/compression-ratio-calculator): Calculates engine compression ratio from bore, stroke, clearance volume, head gasket bore, and head gasket thickness. Supports both imperial and metric inputs. - [Cost of Ownership Calculator](https://top10k.com/tool/cost-of-ownership-calculator): Estimate the total cost of owning a vehicle over a given period, including purchase price, depreciation, insurance, fuel, maintenance, registration, and financing costs — all client-side, no data s… - [Engine Displacement Calculator](https://top10k.com/tool/engine-displacement-calculator): Calculates total engine displacement from bore, stroke, and number of cylinders; outputs cubic centimeters, liters, and cubic inches. - [EV Charging Time Calculator](https://top10k.com/tool/ev-charging-time-calculator) - [EV Cost Per Mile Calculator](https://top10k.com/tool/ev-cost-per-mile-calculator): Calculates the electricity cost per mile for an electric vehicle based on kWh per 100 miles (or per km) and electricity rate. - [EV Range Calculator](https://top10k.com/tool/ev-range-calculator): Estimate electric vehicle range given battery capacity (kWh), efficiency (mi/kWh or km/kWh), and optional climate/speed adjustment factors. - [Fuel Economy Fleet Calculator](https://top10k.com/tool/fuel-economy-fleet): Calculate average fleet fuel economy (MPG or L/100km) and total fuel costs across multiple vehicles with different efficiencies and mileages. - [Fuel Efficiency Calculator](https://top10k.com/tool/fuel-efficiency-calculator): Calculates fuel efficiency in MPG or L/100km from distance traveled and fuel used, plus estimated fuel cost for a given trip. - [Gas Mileage Calculator](https://top10k.com/tool/gas-mileage-calculator): Calculate fuel efficiency in MPG or L/100km from distance traveled and fuel consumed, with cost-per-mile breakdown and side-by-side vehicle comparison. - [Horsepower Calculator](https://top10k.com/tool/horsepower-calculator): Calculates engine horsepower using three methods: HP from torque and RPM, HP from elapsed time and weight (quarter mile), and HP from trap speed and weight. - [Lease vs Buy Car Calculator](https://top10k.com/tool/lease-vs-buy-car): Compares total cost of leasing versus buying a car over a given term, factoring in payments, residual value, interest, and depreciation. - [MPG Calculator](https://top10k.com/tool/mpg-calculator): Calculates miles per gallon from odometer readings and gallons filled at the pump, with a fill-up log to track fuel economy over multiple tanks. - [Oil Change Interval Tracker](https://top10k.com/tool/oil-change-interval-tracker): Calculates the next oil change mileage and estimated date based on last oil change mileage, oil type interval (conventional 3k/5k, synthetic 7.5k/10k/15k), current mileage, and average daily miles … - [Quarter Mile Calculator](https://top10k.com/tool/quarter-mile-calculator): Estimates quarter-mile ET (elapsed time) and trap speed from vehicle weight and horsepower using the Hale and Trap Speed formulas. - [RPM to Vehicle Speed Calculator](https://top10k.com/tool/rpm-to-speed-calculator): Calculate vehicle speed from engine RPM, separate transmission and axle ratios, and tire size. Includes mph, km/h, wheel RPM, and a highway cruising RPM table. - [Speed From Skid Marks](https://top10k.com/tool/speed-from-skid-marks) - [Speedometer Error Calculator](https://top10k.com/tool/speedometer-error-calculator): Calculates speedometer reading error caused by non-stock tire sizes, showing the true speed vs. indicated speed difference. - [Tire Pressure Converter](https://top10k.com/tool/tire-pressure-converter): Convert tire inflation pressure between PSI, bar, kPa, and kgf/cm² using exact NIST conversion factors with a dynamic gauge-step lookup table. - [Tire Size Calculator](https://top10k.com/tool/tire-size-calculator): Calculates nominal dimensions for metric tire size notation (e.g. 225/45R17), then compares diameter, ride height, circumference, and speedometer variance. - [Torque to HP Calculator](https://top10k.com/tool/torque-to-hp-calculator): Converts engine torque (lb-ft or Nm) and RPM to horsepower (HP) and kilowatts (kW) using HP = Torque × RPM / 5252, with reverse conversion from HP or kW back to torque. - [Towing Capacity Checker](https://top10k.com/tool/towing-capacity-checker): Check whether your vehicle can safely tow a given trailer by comparing trailer weight against vehicle towing capacity, tongue weight, and payload ratings. - [Trailer Weight Calculator](https://top10k.com/tool/trailer-weight-calculator): Calculate trailer tongue weight, payload capacity, and whether your vehicle can safely tow a given trailer. Enter vehicle and trailer specs to get safety analysis. - [Turbo Boost Calculator](https://top10k.com/tool/turbo-boost-calculator): Calculates compressor pressure ratio, compressor discharge temperature, post-intercooler charge temperature, air density ratio, and thermodynamic horsepower estimates. - [Vehicle Emissions Calculator](https://top10k.com/tool/vehicle-emissions-calculator): Estimate CO2 and other greenhouse gas emissions from a vehicle based on fuel type, fuel consumption, and distance driven. - [Wheel Offset Calculator](https://top10k.com/tool/wheel-offset-calculator): Calculates wheel backspacing, scrub radius change, and fitment clearance when changing wheel offset (ET) on a vehicle. ## Weather Tools (22) - [Absolute Humidity Calculator](https://top10k.com/tool/absolute-humidity-calculator): Calculates absolute humidity (grams of water vapor per cubic meter of air) from temperature and relative humidity using the Magnus formula approximation. Also shows dew point and vapor pressure. - [Barometric Pressure Converter](https://top10k.com/tool/barometric-pressure-converter): Converts barometric pressure between hPa, mbar, inHg, mmHg, atm, and kPa with a weather-condition indicator. - [Beaufort Wind Scale](https://top10k.com/tool/beaufort-wind-scale): Convert wind speed to Beaufort scale number and view land and sea condition descriptions for each force level. - [Cloud Base Calculator](https://top10k.com/tool/cloud-base-calculator): Estimate the altitude of cloud base using surface temperature and dew point temperature. - [Daylight Length Calculator](https://top10k.com/tool/daylight-length-calculator): Calculates the number of hours of daylight for any latitude and date using the astronomical solar declination and hour angle formula. Shows sunrise, solar noon, sunset times, and a monthly daylight… - [Dew Point Calculator](https://top10k.com/tool/dew-point-calculator): Calculates the dew point temperature from air temperature and relative humidity using the Magnus formula. - [Evapotranspiration Calculator](https://top10k.com/tool/evapotranspiration-weather): Estimates reference evapotranspiration (ET0) using the simplified Hargreaves method from temperature and solar radiation inputs, useful for irrigation planning. - [Feels Like Temperature Calculator](https://top10k.com/tool/feels-like-temperature-calculator) - [Frost Point Calculator](https://top10k.com/tool/frost-point-calculator): Calculates the frost point temperature from air temperature and relative humidity using the Magnus formula for ice. - [Growing Degree Day Calculator](https://top10k.com/tool/growing-degree-day-weather): Calculate Growing Degree Days (GDD) for a single day or a date range given daily high/low temperatures and a base temperature. Used by farmers and gardeners to predict crop maturity and pest develo… - [Heat Index Calculator](https://top10k.com/tool/heat-index-calculator): Calculates the apparent "feels like" temperature from air temperature and relative humidity using the NWS Rothfusz regression equation, with heat danger level warnings. - [Rainfall Accumulation Calculator](https://top10k.com/tool/rainfall-accumulation-calculator): Calculate cumulative rainfall totals from multiple storm events or daily gauge readings. Add, remove, and convert between inches and millimeters. - [Relative Humidity Calculator](https://top10k.com/tool/relative-humidity-calculator): Calculates relative humidity from actual vapor pressure and saturation vapor pressure, or from temperature and dew point. - [Sea Level Pressure Reduction Calculator](https://top10k.com/tool/sea-level-pressure-reduction): Reduce observed station pressure to sea level pressure (MSLP) using station elevation and temperature, following the standard meteorological reduction formula. - [Snow To Water Ratio Calculator](https://top10k.com/tool/snow-to-water-ratio-calculator): Convert snowfall depth to liquid water equivalent using snow-water ratio. Supports common snow types from dry powder to wet heavy snow. - [Solar Noon Calculator](https://top10k.com/tool/solar-noon-calculator): Calculate solar noon — the exact local time when the sun reaches its highest point in the sky — for any location and date using the equation of time and longitude correction. - [Sunrise & Sunset Time Calculator](https://top10k.com/tool/sunrise-sunset-time): Calculates precise sunrise, sunset, solar noon, and day length for any date and geographic coordinates. Uses the NOAA solar calculation algorithm in pure JavaScript — no API calls needed. - [UV Index Explainer](https://top10k.com/tool/uv-index-explainer): Interactive UV Index reference tool — enter a UV value (0–16+) to see the risk level, recommended sun protection measures, safe exposure time estimates for different skin types, and a visual UV scale. - [Wet-Bulb Temperature Calculator](https://top10k.com/tool/wet-bulb-temperature-calculator): Calculates wet-bulb temperature from dry-bulb temperature and relative humidity using the Stull (2011) approximation, useful for heat-stress and evaporative cooling assessments. - [Wind Chill Calculator](https://top10k.com/tool/wind-chill-calculator): Calculates wind chill temperature (apparent cold) from air temperature and wind speed using the official NWS/Environment Canada formula, with frostbite risk time estimates. - [Wind Direction Converter](https://top10k.com/tool/wind-direction-converter): Converts wind direction between compass bearings (degrees 0-360) and cardinal/intercardinal compass points (N, NNE, NE, etc.) with a visual compass rose. - [Wind Shear Calculator](https://top10k.com/tool/wind-shear-calculator): Calculate wind speed at any height using the power law wind profile. Enter a known wind speed at a reference height and a terrain roughness exponent to estimate wind at any target elevation. ## Aviation Tools (21) - [Crosswind Component Calculator](https://top10k.com/tool/crosswind-component-calculator) - [Density Altitude Calculator](https://top10k.com/tool/density-altitude-calculator) - [Descent Rate Calculator](https://top10k.com/tool/descent-rate-calculator) - [Fuel Burn Calculator](https://top10k.com/tool/fuel-burn-calculator) - [Glide Ratio Calculator](https://top10k.com/tool/glide-ratio-calculator): Calculate glide ratio, maximum glide distance from altitude, and sink rate from airspeed and lift-to-drag ratio inputs. - [Great Circle Route Calculator](https://top10k.com/tool/great-circle-route-calculator) - [Ground Speed Calculator](https://top10k.com/tool/ground-speed-calculator): Calculates aircraft ground speed from true airspeed, wind speed, and wind direction using vector math. Also computes wind correction angle and effective headwind or tailwind component. - [Heading Correction Calculator](https://top10k.com/tool/heading-correction-calculator): Calculates the wind correction angle and true heading needed to maintain a desired course given true airspeed, wind speed, and wind direction. - [Headwind & Tailwind Calculator](https://top10k.com/tool/headwind-tailwind-calculator) - [Hours to Zulu Time Converter](https://top10k.com/tool/hours-to-zulu-converter) - [ISA Temperature Calculator](https://top10k.com/tool/isa-temperature-calculator) - [Mach Number Calculator](https://top10k.com/tool/mach-number-calculator): Calculates Mach number from speed and altitude (temperature), or converts between Mach and speed units. Uses ISA standard atmosphere for accurate speed-of-sound computation. - [METAR Decoder](https://top10k.com/tool/metar-decoder) - [Rate of Climb Calculator](https://top10k.com/tool/rate-of-climb-calculator) - [Runway Length Calculator](https://top10k.com/tool/runway-length-calculator) - [TAF Decoder](https://top10k.com/tool/taf-decoder) - [Top of Descent Calculator](https://top10k.com/tool/top-of-descent-calculator): Calculate the top of descent (TOD) point for aircraft — the distance from your destination where you should begin descending — using the standard 3:1 rule and a configurable descent rate. - [Aviation Transponder Code Reference](https://top10k.com/tool/transponder-code-reference): Verified lookup and reference for selected ICAO and FAA Mode A transponder squawk codes (7500, 7600, 7700, 1200, 7400) with syntax validation. - [True Airspeed Calculator](https://top10k.com/tool/true-airspeed-calculator): Converts indicated airspeed (IAS) to true airspeed (TAS) given pressure altitude and outside air temperature. Essential for flight planning and performance calculations. - [Weight and Balance Calculator](https://top10k.com/tool/weight-and-balance-calculator) - [Wing Loading Calculator](https://top10k.com/tool/wing-loading-calculator) ## Accessibility Tools (10) - [Alt Text Length Checker](https://top10k.com/tool/alt-text-length): Check whether image alt text meets accessibility guidelines (recommended 125 characters or fewer) with live character count and quality feedback. - [ARIA Role Reference](https://top10k.com/tool/aria-role-reference): Searchable reference of all WAI-ARIA roles with their allowed attributes, required properties, and usage examples. - [Color Blind Safe Checker](https://top10k.com/tool/color-blind-safe-checker): Simulates how a pair of colors looks under protanopia, deuteranopia, and tritanopia, and checks WCAG contrast ratios for each simulation. - [Focus Order Helper](https://top10k.com/tool/focus-order-helper): Educational tool that explains and demonstrates keyboard focus order principles for web accessibility (WCAG 2.4.3), with an interactive demo showing correct vs incorrect focus order patterns. - [Font Size Accessibility Checker](https://top10k.com/tool/font-size-accessibility): Checks whether a given font size meets WCAG accessibility guidelines for body text and UI elements. - [Heading Structure Helper](https://top10k.com/tool/heading-structure-helper): Analyzes pasted HTML or plain text and visualizes the heading hierarchy (H1–H6) to check for accessibility and SEO compliance. - [Line Length Readability](https://top10k.com/tool/line-length-readability): Checks whether text line length meets WCAG and typography readability guidelines (optimal 45-75 characters per line for body text). - [Reading Level Accessibility Checker](https://top10k.com/tool/reading-level-a11y): Analyzes text to compute Flesch-Kincaid, Gunning Fog, and SMOG readability scores and checks compliance with WCAG 3.1.5 (Reading Level AAA). - [Tap Target Size Checker](https://top10k.com/tool/tap-target-size): Check whether a UI element's tap or click target meets WCAG 2.5.5 minimum size guidelines (44x44 CSS pixels) for touch accessibility. - [WCAG Contrast Checker](https://top10k.com/tool/wcag-contrast-checker): Check foreground and background color contrast ratio against WCAG AA and AAA accessibility guidelines. Supports normal text, large text, and UI components. ## Chemistry Tools (421) - [Acid Dissociation Calculator](https://top10k.com/tool/acid-dissociation-calculator): Calculate the degree of dissociation, pH, and hydrogen ion concentration [H+] of a weak acid from its Ka and initial concentration using the quadratic formula. - [Actinium Electron Configuration](https://top10k.com/tool/actinium-electron-configuration): Displays the electron configuration, orbital filling table, and key atomic data for actinium (Ac, atomic number 89), including its anomalous 6d¹ 7s² ground state. - [Actinium Oxidation States](https://top10k.com/tool/actinium-oxidation-states) - [Activation Energy Calculator](https://top10k.com/tool/activation-energy-calculator): Calculates activation energy from the Arrhenius equation using two temperature-rate constant data points. - [Activity Coefficient Calculator](https://top10k.com/tool/activity-coefficient-calc) - [Adiabatic Flame Temperature Calculator](https://top10k.com/tool/adiabatic-flame-temperature) - [Adsorption Capacity Calculator](https://top10k.com/tool/adsorption-capacity) - [Aluminium Electron Configuration](https://top10k.com/tool/aluminium-electron-configuration): Displays the electron configuration, orbital notation, and quantum numbers for aluminium (Al, atomic number 13) with an interactive orbital diagram. - [Aluminium Element Properties](https://top10k.com/tool/aluminium-element-properties): Reference page for Aluminium (Al) element properties: atomic number, mass, electron configuration, physical constants, and key chemical data. - [Aluminium Oxidation States Reference](https://top10k.com/tool/aluminium-oxidation-states) - [Americium Electron Configuration](https://top10k.com/tool/americium-electron-configuration): Displays the electron configuration of Americium (Am, element 95), showing the full notation [Rn] 5f⁷ 7s², orbital diagram, and key atomic properties. - [Americium Oxidation States](https://top10k.com/tool/americium-oxidation-states) - [Antimony Electron Configuration](https://top10k.com/tool/antimony-electron-configuration): Shows the full and shorthand electron configuration of antimony (Sb, Z=51) with orbital diagram and valence electron details. - [Antimony Element Properties](https://top10k.com/tool/antimony-element-properties): Displays a comprehensive reference card for Antimony (Sb, element 51) including atomic mass, electron configuration, oxidation states, physical properties, and common uses. - [Antimony Oxidation States](https://top10k.com/tool/antimony-oxidation-states) - [Argon Electron Configuration](https://top10k.com/tool/argon-electron-configuration): Displays and explains the electron configuration of argon (element 18), including its complete noble gas configuration and use as a reference core for heavier elements. - [Argon Element Properties](https://top10k.com/tool/argon-element-properties): Comprehensive physical and chemical properties of Argon (Ar, element 18) including atomic mass, electron configuration, isotopes, thermodynamic constants, and common uses. - [Argon Oxidation States](https://top10k.com/tool/argon-oxidation-states): Explains argon's oxidation states — virtually always 0 as a noble gas — with electron configuration, ionization energies, noble gas comparison, and context on rare argon compounds. - [Arrhenius Equation Calculator](https://top10k.com/tool/arrhenius-equation-calculator): Calculate the reaction rate constant k using the Arrhenius equation k = A·e^(−Ea/RT). Solve for k, pre-exponential factor A, activation energy Ea, or temperature T. - [Arrhenius Rate Constant Calculator](https://top10k.com/tool/arrhenius-rate-constant): Calculate the reaction rate constant k using the Arrhenius equation (k = A·e^(-Ea/RT)) given pre-exponential factor, activation energy, and temperature. - [Arsenic Electron Configuration](https://top10k.com/tool/arsenic-electron-configuration): Displays the full electron configuration, orbital diagram, and key atomic properties of arsenic (element 33, symbol As). - [Arsenic Element Properties](https://top10k.com/tool/arsenic-element-properties): Displays comprehensive physical, chemical, and atomic properties of Arsenic (As, element 33) in a reference card format, similar to other element property pages on the site. - [Arsenic Oxidation States](https://top10k.com/tool/arsenic-oxidation-states) - [Astatine Electron Configuration](https://top10k.com/tool/astatine-electron-configuration): Displays the full and shorthand electron configuration for Astatine (At, element 85), a radioactive halogen in Period 6. Configuration: [Xe] 4f14 5d10 6s2 6p5. - [Astatine Oxidation States](https://top10k.com/tool/astatine-oxidation-states): Lists and explains the oxidation states of Astatine (At, element 85), a radioactive halogen. Common states are -1 and +1, with less stable +3, +5, +7 also documented. - [Atomic Mass Calculator](https://top10k.com/tool/atomic-mass-calculator): Calculates the formula mass and molar mass from any chemical formula using standard atomic weights. - [Avogadro Law Calculator](https://top10k.com/tool/avogadro-law-calculator): Applies Avogadro's Law (V1/n1 = V2/n2) to find unknown volume or moles of a gas at constant temperature and pressure. - [Avogadro Number Calculator](https://top10k.com/tool/avogadro-number-calculator): Converts between moles, number of atoms/molecules, and mass using Avogadro's number (6.02214076×10²³). Enter any one known quantity to calculate the remaining values. - [Barium Electron Configuration](https://top10k.com/tool/barium-electron-configuration): Displays the full and shorthand electron configuration of barium (Ba, atomic number 56) with orbital diagram and key chemical properties. - [Barium Element Properties](https://top10k.com/tool/barium-element-properties): Displays a comprehensive reference card for Barium (Ba, element 56) including atomic mass, electron configuration, oxidation states, physical and chemical properties. - [Barium Oxidation States](https://top10k.com/tool/barium-oxidation-states) - [Base Dissociation Calculator](https://top10k.com/tool/base-dissociation-calculator): Calculate Kb, pOH, pH, and degree of dissociation for weak bases given initial concentration and Kb value. Supports solving for Kb from concentration and pH. - [Beer-Lambert Law Calculator](https://top10k.com/tool/beer-lambert-law-calculator): Calculates absorbance, concentration, path length, or molar absorptivity using the Beer-Lambert Law (A = εcl), essential for spectrophotometry. - [Berkelium Electron Configuration](https://top10k.com/tool/berkelium-electron-configuration): Displays the electron configuration of Berkelium (Bk, element 97), showing the full notation [Rn] 5f⁹ 7s², orbital diagram, and key atomic properties. - [Berkelium Oxidation States](https://top10k.com/tool/berkelium-oxidation-states) - [Beryllium Electron Configuration](https://top10k.com/tool/beryllium-electron-configuration): Displays the electron configuration of Beryllium (Be, atomic number 4): 1s² 2s², with orbital diagram, subshell breakdown, and key element facts. - [Beryllium Element Properties](https://top10k.com/tool/beryllium-element-properties): Reference page for Beryllium (Be), element 4 — displays atomic mass, electron configuration, physical and chemical properties, isotopes, and key facts. - [Beryllium Oxidation States](https://top10k.com/tool/beryllium-oxidation-states) - [BET Surface Area Calculator](https://top10k.com/tool/bet-surface-area): Calculate the specific surface area of a porous material from BET (Brunauer-Emmett-Teller) adsorption data — slope and intercept of the BET plot — giving surface area in m²/g. - [Bismuth Electron Configuration](https://top10k.com/tool/bismuth-electron-configuration): Displays bismuth's electron configuration ([Xe] 4f14 5d10 6s2 6p3), orbital diagram, quantum numbers, and key properties for chemistry reference. - [Bismuth Element Properties](https://top10k.com/tool/bismuth-element-properties): Reference page displaying all key properties of Bismuth (Bi, atomic number 83) — atomic mass, electron configuration, oxidation states, melting/boiling points, and uses. - [Bismuth Oxidation States](https://top10k.com/tool/bismuth-oxidation-states) - [Boiling Point Elevation Calculator](https://top10k.com/tool/boiling-point-elevation-calculator): Calculates boiling point elevation (ΔTb) of a solution from the ebullioscopic constant Kb, molality, and van't Hoff factor. - [Bond Dissociation Energy](https://top10k.com/tool/bond-dissociation-energy): Look up average bond dissociation energies (BDE) for common chemical bonds and estimate the enthalpy of reaction using tabulated BDE values. - [Bond Energy Calculator](https://top10k.com/tool/bond-energy-calculator): Calculates the enthalpy change of a reaction using average bond energies of bonds broken and formed. - [Bond Order Calculator](https://top10k.com/tool/bond-order-calculator): Calculates bond order from bonding and antibonding electrons using molecular orbital theory. Bond order = (bonding electrons − antibonding electrons) / 2. - [Boron Electron Configuration](https://top10k.com/tool/boron-electron-configuration): Displays the electron configuration of Boron (B, atomic number 5): 1s² 2s² 2p¹, with orbital diagram, subshell breakdown, and key element facts. - [Boron Element Properties](https://top10k.com/tool/boron-element-properties): Reference page for Boron (B), element 5 — displays atomic mass, electron configuration, physical and chemical properties, isotopes, and key facts. - [Boron Oxidation States](https://top10k.com/tool/boron-oxidation-states) - [Boyle's Law Calculator](https://top10k.com/tool/boyles-law-calculator): Solves Boyle's Law (P1V1 = P2V2) — given any 3 of the 4 variables (P1, V1, P2, V2), calculates the unknown fourth value. - [Bromine Electron Configuration](https://top10k.com/tool/bromine-electron-configuration): Displays the full electron configuration, orbital diagram, and key atomic properties of bromine (element 35, symbol Br). - [Bromine Element Properties](https://top10k.com/tool/bromine-element-properties): Displays comprehensive physical, chemical, and atomic properties of Bromine (Br, element 35) in a reference card format covering atomic mass, electron configuration, oxidation states, and common uses. - [Bromine Oxidation States](https://top10k.com/tool/bromine-oxidation-states) - [Buffer pH Calculator](https://top10k.com/tool/buffer-ph-calculator): Calculates buffer pH using the Henderson-Hasselbalch equation, with common buffer presets, a capacity estimate, and effective-range guidance. - [Cadmium Electron Configuration](https://top10k.com/tool/cadmium-electron-configuration): Displays the full electron configuration, orbital diagram, and key atomic properties of cadmium (Cd, element 48), with orbital diagram and energy level breakdown. - [Cadmium Element Properties](https://top10k.com/tool/cadmium-element-properties): Displays comprehensive physical and chemical properties of Cadmium (Cd), atomic number 48, including atomic mass, electron configuration, oxidation states, and uses. - [Cadmium Oxidation States](https://top10k.com/tool/cadmium-oxidation-states) - [Caesium Electron Configuration](https://top10k.com/tool/caesium-electron-configuration): Displays the full and shorthand electron configuration of caesium (Cs, atomic number 55) with orbital diagram and key chemical properties. - [Caesium Element Properties](https://top10k.com/tool/caesium-element-properties): Displays comprehensive physical and chemical properties of caesium (element 55) including atomic mass, electron configuration, melting/boiling points, and uses. - [Caesium Oxidation States](https://top10k.com/tool/caesium-oxidation-states) - [Calcium Electron Configuration](https://top10k.com/tool/calcium-electron-configuration): Displays and explains the electron configuration of calcium (Ca, element 20), showing orbital notation [Ar] 4s², shell structure, energy level diagram, and how it relates to calcium's +2 ion and ch… - [Calcium Element Properties](https://top10k.com/tool/calcium-element-properties): Reference page for Calcium (Ca, atomic number 20) — atomic mass, electron configuration, oxidation states, uses, and key physical/chemical properties. - [Calcium Oxidation States](https://top10k.com/tool/calcium-oxidation-states) - [Californium Electron Configuration](https://top10k.com/tool/californium-electron-configuration): Displays the electron configuration, orbital filling table, and key atomic data for californium (Cf, atomic number 98), including its [Rn] 5f10 7s2 ground state. - [Californium Oxidation States](https://top10k.com/tool/californium-oxidation-states) - [Bomb Calorimetry Calculator](https://top10k.com/tool/calorimetry-bomb): Calculate heat of combustion and calorific value from bomb calorimeter data. Enter temperature rise, calorimeter heat capacity, and sample mass to get ΔHcomb in kJ/mol and kJ/g. - [Carbon Electron Configuration](https://top10k.com/tool/carbon-electron-configuration): Displays the electron configuration of carbon (element 6) with orbital diagram and quantum number details. - [Carbon Element Properties](https://top10k.com/tool/carbon-element-properties): Comprehensive reference for Carbon (C), element 6 — atomic mass, electron configuration, isotopes, physical and chemical properties, allotropes, and industrial uses. - [Carbon Oxidation States](https://top10k.com/tool/carbon-oxidation-states) - [Electrochemical Cell EMF Calculator](https://top10k.com/tool/cell-emf-calculator): Calculates the electromotive force (EMF) of an electrochemical cell using standard reduction potentials - [Cerium Electron Configuration](https://top10k.com/tool/cerium-electron-configuration): Displays the full and shorthand electron configuration of cerium (Ce, atomic number 58), with orbital diagram explaining the anomalous 4f¹ 5d¹ 6s² configuration and key chemical properties. - [Cerium Element Properties](https://top10k.com/tool/cerium-element-properties): Displays a comprehensive periodic-table reference card for Cerium (Ce, atomic number 58), including atomic mass, electron configuration, oxidation states, and key physical/chemical properties. - [Cerium Oxidation States](https://top10k.com/tool/cerium-oxidation-states) - [Charles's Law Calculator](https://top10k.com/tool/charles-law-calculator): Calculates gas volume or temperature using Charles's Law (V1/T1 = V2/T2) at constant pressure. - [Chlorine Electron Configuration](https://top10k.com/tool/chlorine-electron-configuration): Displays and explains the electron configuration of chlorine (element 17), including orbital notation, energy levels, and its role as a halogen. - [Chlorine Element Properties](https://top10k.com/tool/chlorine-element-properties): Displays key physical and chemical properties of chlorine (element 17) including atomic mass, density, melting/boiling points, electron configuration, and common uses. - [Chlorine Oxidation States](https://top10k.com/tool/chlorine-oxidation-states) - [Chromium Electron Configuration](https://top10k.com/tool/chromium-electron-configuration): Reference tool for chromium (Cr, Z=24) electron configuration — anomalous [Ar] 3d⁵ 4s¹ (NOT [Ar] 3d⁴ 4s² as Aufbau predicts) due to half-filled d subshell stability; explains the exception, shows o… - [Chromium Element Properties](https://top10k.com/tool/chromium-element-properties): Reference page for Chromium (Cr) element properties: atomic number, mass, electron configuration, oxidation states, and key physical and chemical data. - [Chromium Oxidation States](https://top10k.com/tool/chromium-oxidation-states) - [Clausius-Clapeyron Calculator](https://top10k.com/tool/clausius-clapeyron-calculator): Calculates vapor pressure at a new temperature given a reference temperature and enthalpy of vaporization using the Clausius-Clapeyron equation. - [Cobalt Electron Configuration](https://top10k.com/tool/cobalt-electron-configuration): Displays the full and abbreviated electron configuration of Cobalt (Co, Z=27) with orbital diagrams, subshell breakdown, and element facts for chemistry students and reference. - [Cobalt Element Properties](https://top10k.com/tool/cobalt-element-properties): Comprehensive reference for Cobalt (Co, element 27): atomic data, electron configuration, oxidation states, physical constants, and chemical behavior with an interactive electron configuration viewer. - [Cobalt Oxidation States](https://top10k.com/tool/cobalt-oxidation-states): Reference card for cobalt (Co, element 27) listing its common oxidation states (+2, +3), key compounds, coordination chemistry, and color characteristics in solution. - [Colligative Properties Calculator](https://top10k.com/tool/colligative-properties-calculator): Calculates all four colligative properties — boiling-point elevation, freezing-point depression, osmotic pressure, and vapor-pressure lowering — for a solute dissolved in a solvent. - [Combined Gas Law Calculator](https://top10k.com/tool/combined-gas-law-calculator): Solves the combined gas law (P1V1/T1 = P2V2/T2) for any unknown variable given the other five. - [Common Ion Effect Calculator](https://top10k.com/tool/common-ion-effect-calculator): Calculates the molar solubility of a sparingly soluble salt in a solution containing a common ion, using Ksp and the common ion concentration. - [Contact Angle Calculator](https://top10k.com/tool/contact-angle-calculator): Calculate the contact angle from surface tension values using the Young equation to determine wettability of a solid surface. - [Copper Electron Configuration](https://top10k.com/tool/copper-electron-configuration): Displays the full and abbreviated electron configuration of Copper (Cu, Z=29), including its anomalous [Ar] 3d¹⁰ 4s¹ configuration, orbital diagram, and key atomic properties. - [Copper Element Properties](https://top10k.com/tool/copper-element-properties): Interactive reference card for copper (Cu, element 29) showing atomic mass, electron configuration, oxidation states, physical/chemical properties, and common compounds. - [Copper Oxidation States](https://top10k.com/tool/copper-oxidation-states) - [Critical Micelle Concentration](https://top10k.com/tool/critical-micelle-concentration): Look up and compare CMC values for common surfactants and explore micelle formation thresholds. - [Crosslink Density Calculator](https://top10k.com/tool/crosslink-density): Calculates polymer crosslink density from equilibrium swelling data using the Flory-Rehner equation. Enter swollen and dry polymer masses, solvent properties, and the Flory-Huggins interaction para… - [Crystallinity Percent Calculator](https://top10k.com/tool/crystallinity-percent): Calculates the percent crystallinity of a polymer from DSC heat of fusion data using the ratio of measured enthalpy to the theoretical 100% crystalline enthalpy. - [Crystallization Yield Calculator](https://top10k.com/tool/crystallization-yield-calculator): Calculates the theoretical and actual yield of a crystallization process given solubility data at two temperatures, helping chemists predict recovery of a dissolved solid. - [Curium Electron Configuration](https://top10k.com/tool/curium-electron-configuration): Displays the electron configuration of Curium (Cm, element 96), showing the full notation [Rn] 5f⁷ 6d¹ 7s², orbital diagram, and key atomic properties. - [Curium Oxidation States](https://top10k.com/tool/curium-oxidation-states) - [Degree Of Polymerization](https://top10k.com/tool/degree-of-polymerization): Calculates the degree of polymerization (DP) of a polymer from its molecular weight and monomer molecular weight. - [Degree of Unsaturation Calculator](https://top10k.com/tool/degree-of-unsaturation): Calculates the degree of unsaturation (index of hydrogen deficiency) for an organic molecule from its molecular formula to determine rings and pi bonds. - [Degrees Of Unsaturation](https://top10k.com/tool/degrees-of-unsaturation): Calculates the degree of unsaturation (DoU / DBE) from a molecular formula using DoU = (2C + 2 + N - H - X) / 2, indicating rings and pi bonds in organic molecules. - [Density to Molarity Converter](https://top10k.com/tool/density-to-molarity): Converts solution density (g/mL) and mass fraction (%) to molarity (mol/L) given the solute molar mass. Useful for preparing lab solutions from reagent bottle specs. - [Dilution Calculator (C1V1 = C2V2)](https://top10k.com/tool/dilution-c1v1c2v2) - [HPLC Sample Dilution Calculator](https://top10k.com/tool/dilution-for-hplc): Calculates the volume of stock solution and diluent needed to prepare an HPLC sample at a target concentration using C1V1 = C2V2. - [Dilution Series Calculator](https://top10k.com/tool/dilution-series-calculator): Generates a serial dilution table showing concentration and volume at each step for a given dilution factor and number of steps. - [McCabe-Thiele Distillation Calculator](https://top10k.com/tool/distillation-mccabe-thiele): Calculates minimum reflux ratio, actual stages, feed stage location, and operating line equations for binary distillation using the McCabe-Thiele graphical method. - [DNA Concentration Calculator](https://top10k.com/tool/dna-concentration-calculator): Calculates DNA/RNA concentration from absorbance readings using Beer-Lambert law and standard extinction coefficients for dsDNA, ssDNA, and RNA. - [DNA Copy Number Calculator](https://top10k.com/tool/dna-copy-number-calculator): Convert DNA mass (ng) and fragment length (bp) into the number of DNA molecules in your sample, for ssDNA, dsDNA, plasmid, and qPCR standards. - [DNA to mRNA Converter](https://top10k.com/tool/dna-to-mrna-converter): Convert a DNA template strand into its mRNA transcript using standard base-pairing rules (A→U, T→A, G→C, C→G), with optional codon grouping. - [Dysprosium Electron Configuration](https://top10k.com/tool/dysprosium-electron-configuration): Reference for dysprosium (Dy, Z=66) electron configuration — [Xe] 4f¹⁰ 6s², with orbital diagram and applications in high-performance NdFeB magnets. - [Dysprosium Oxidation States](https://top10k.com/tool/dysprosium-oxidation-states) - [Effective Nuclear Charge Calculator](https://top10k.com/tool/effective-nuclear-charge): Calculates the effective nuclear charge (Zeff) experienced by an electron using Slater's rules, showing shielding constants for each electron shell. - [Electrolysis Calculator](https://top10k.com/tool/electrolysis-calculator): Calculate mass deposited, moles of substance, and charge transferred during electrolysis using Faraday's laws (m = MIt/nF). - [Electron Configuration Tool](https://top10k.com/tool/electron-configuration-tool): Displays the full electron configuration, noble-gas shorthand, and orbital diagram for any element (atomic numbers 1–118). Enter an element symbol, name, or atomic number. - [Empirical Formula from Combustion Analysis](https://top10k.com/tool/empirical-from-combustion): Determine the empirical formula of an organic compound from combustion analysis data — mass of CO2 and H2O produced, plus sample mass — calculating C, H, and O mole ratios. - [Enthalpy Calculator](https://top10k.com/tool/enthalpy-calculator): Calculate the enthalpy change (delta H) of a chemical reaction using Hess's law or standard enthalpies of formation. - [Enthalpy of Formation Calculator](https://top10k.com/tool/enthalpy-of-formation): Calculates the standard enthalpy of reaction (delta H) using Hess's Law from the standard enthalpies of formation of products and reactants. Includes a searchable built-in database of 60+ common co… - [Equilibrium Concentration Calculator](https://top10k.com/tool/equilibrium-concentration): Calculate equilibrium concentrations of reactants and products using ICE (Initial, Change, Equilibrium) tables and the equilibrium constant Ka or Kb. - [Equilibrium Constant Calculator](https://top10k.com/tool/equilibrium-constant-calculator): Calculates the equilibrium constant (Kc) from product and reactant concentrations using the law of mass action. - [Equivalence Point Calculator](https://top10k.com/tool/equivalence-point-calculator): Calculate the volume of titrant needed to reach the equivalence point in an acid-base titration. Enter the analyte volume and concentration plus the titrant concentration to get the exact equivalen… - [Erbium Electron Configuration](https://top10k.com/tool/erbium-electron-configuration): Electron configuration of erbium (Er, Z=68) — [Xe] 4f¹² 6s², full notation, orbital diagram, quantum numbers, and lanthanide f-block placement. Covers EDFA fiber-optic and infrared laser applications. - [Erbium Oxidation States Reference](https://top10k.com/tool/erbium-oxidation-states) - [Europium Electron Configuration](https://top10k.com/tool/europium-electron-configuration): Displays the full electron configuration of Europium (Eu, element 63), including orbital notation, noble gas shorthand [Xe] 4f⁷ 6s², and oxidation states reference. - [Europium Oxidation States Reference](https://top10k.com/tool/europium-oxidation-states) - [Faraday's Electrolysis Calculator](https://top10k.com/tool/faradays-electrolysis): Calculates mass deposited or gas evolved during electrolysis using Faraday's laws (m = Q·M / (n·F)), with element presets for common metals and gases. - [Fluorine Electron Configuration](https://top10k.com/tool/fluorine-electron-configuration): Displays and explains the electron configuration of fluorine (F, atomic number 9) with orbital diagram and quantum number details. - [Fluorine Element Properties](https://top10k.com/tool/fluorine-element-properties): Reference page for Fluorine (F, atomic number 9) displaying all key periodic table properties: atomic mass, electron configuration, electronegativity, melting/boiling points, and common uses. - [Fluorine Oxidation States](https://top10k.com/tool/fluorine-oxidation-states) - [Formal Charge Calculator](https://top10k.com/tool/formal-charge-calculator): Calculate the formal charge on an atom in a Lewis structure using valence electrons, lone pair electrons, and bonding electrons. - [Formula Mass Calculator](https://top10k.com/tool/formula-mass-calculator): Calculate the formula mass (molecular weight) of any chemical compound by entering its chemical formula. Supports all standard elements with correct subscript parsing. - [Francium Electron Configuration](https://top10k.com/tool/francium-electron-configuration): Displays the full and shorthand electron configuration for Francium (Fr, element 87), the rarest naturally occurring element and an alkali metal in Period 7; configuration is [Rn] 7s1. - [Francium Oxidation States](https://top10k.com/tool/francium-oxidation-states) - [Freezing Point Depression Calculator](https://top10k.com/tool/freezing-point-depression-calculator): Calculate the freezing point depression of a solution using molality and the cryoscopic constant (ΔTf = Kf × m × i). Supports common solvents and custom Kf values. - [Fugacity Calculator](https://top10k.com/tool/fugacity-calculator): Calculate the fugacity and fugacity coefficient of a real gas using the van der Waals equation of state. Enter temperature, pressure, and van der Waals constants to get results instantly. - [Gadolinium Electron Configuration](https://top10k.com/tool/gadolinium-electron-configuration): Reference for gadolinium (Gd, Z=64) electron configuration — [Xe] 4f⁷ 5d¹ 6s² (lanthanide exception: half-filled 4f stability), with orbital diagram, quantum numbers, and MRI applications. - [Gadolinium Oxidation States Reference](https://top10k.com/tool/gadolinium-oxidation-states) - [Gallium Electron Configuration](https://top10k.com/tool/gallium-electron-configuration): Displays the full and abbreviated electron configuration of Gallium (Ga, Z=31) with orbital diagrams, subshell breakdown, and element facts for chemistry students and reference. - [Gallium Element Properties](https://top10k.com/tool/gallium-element-properties): Displays comprehensive physical and chemical properties of Gallium (element 31), including atomic mass, melting point, electron configuration, and periodic table data. - [Gallium Oxidation States](https://top10k.com/tool/gallium-oxidation-states) - [Galvanic Series Reference](https://top10k.com/tool/galvanic-series-reference): Interactive reference of the 61 materials ranked in MIL-STD-889D Table IV in artificial seawater (ASTM D1141). Identifies the anodic and cathodic material for any pair based on relative rank order. - [Gay-Lussac's Law Calculator](https://top10k.com/tool/gay-lussac-law-calculator): Solves Gay-Lussac's Law (P1/T1 = P2/T2) for pressure or temperature of a gas at constant volume. - [GC Content Calculator](https://top10k.com/tool/gc-content-calculator): Calculate the GC content percentage of a DNA or RNA sequence, with nucleotide breakdown and sequence validation. - [Germanium Electron Configuration](https://top10k.com/tool/germanium-electron-configuration): Shows the electron configuration and orbital diagram for germanium (Ge, Z=32) with its [Ar] 3d10 4s2 4p2 ground state and Hund's rule for 4p electrons. - [Germanium Element Properties](https://top10k.com/tool/germanium-element-properties): Displays a comprehensive periodic-table-style reference card for Germanium (Ge, atomic number 32) covering atomic mass, electron configuration, physical/chemical properties, and common uses. - [Germanium Oxidation States](https://top10k.com/tool/germanium-oxidation-states) - [Gibbs Free Energy Calculator](https://top10k.com/tool/gibbs-free-energy-calculator): Calculate Gibbs free energy (deltaG = deltaH - T*deltaS) to determine whether a reaction is spontaneous - [Gibbs From Cell Potential](https://top10k.com/tool/gibbs-from-cell-potential): Calculates Gibbs free energy change (ΔG) from electrochemical cell potential using ΔG = −nFE, where n = moles of electrons transferred, F = Faraday constant (96485 C/mol), E = cell potential in volts. - [Glass Transition Temperature Helper](https://top10k.com/tool/glass-transition-helper): Estimates the glass transition temperature (Tg) of polymer blends using the Fox equation and related mixing rules. - [Gold Electron Configuration](https://top10k.com/tool/gold-electron-configuration): Reference page showing the full electron configuration of gold (Au, element 79): [Xe] 4f14 5d10 6s1 (anomalous — d10 s1 instead of d9 s2), with orbital diagram and shell breakdown. - [Gold Element Properties](https://top10k.com/tool/gold-element-properties): Complete reference for Gold (Au, atomic number 79) — atomic data, electron configuration, physical and chemical properties, uses, and discovery history. - [Gold Oxidation States](https://top10k.com/tool/gold-oxidation-states) - [Grams Per Mole Calculator](https://top10k.com/tool/grams-per-mole-calculator): Converts between grams and moles using molecular weight (molar mass) for any chemical compound. - [Grams to Moles Calculator](https://top10k.com/tool/grams-to-moles-calculator): Converts a mass in grams to an amount in moles using the formula moles = grams / molar mass. Includes a preset list of common substances. - [Grignard Reaction Stoichiometry Calculator](https://top10k.com/tool/grignard-stoichiometry): Calculates moles, mass, and limiting reagent for Grignard reactions given reactant amounts and molecular weights. - [Hafnium Electron Configuration](https://top10k.com/tool/hafnium-electron-configuration): Displays the full and condensed electron configuration of hafnium (Hf, element 72, [Xe] 4f14 5d2 6s2) in multiple notation styles with orbital diagram. - [Hafnium Oxidation States](https://top10k.com/tool/hafnium-oxidation-states) - [Half Cell Potential Calculator](https://top10k.com/tool/half-cell-potential-calculator): Calculate the standard cell potential (E°cell) from cathode and anode half-cell reduction potentials. Includes a reference table of common half-reactions. - [Hardy Weinberg Calculator](https://top10k.com/tool/hardy-weinberg-calculator): Calculates allele and genotype frequencies using the Hardy-Weinberg equilibrium principle. - [Heat Capacity Ratio Calculator](https://top10k.com/tool/heat-capacity-ratio): Calculates the heat capacity ratio (gamma, Cp/Cv) for ideal gases and uses it to find adiabatic process properties like speed of sound. - [Heat of Combustion Calculator](https://top10k.com/tool/heat-of-combustion-calc): Calculates the heat of combustion (enthalpy of combustion) for common fuels and organic compounds using standard enthalpy values. - [Heat Of Reaction Calculator](https://top10k.com/tool/heat-of-reaction-calculator): Calculates the heat of reaction (enthalpy change) using standard enthalpies of formation or bond dissociation energies, with a full step-by-step breakdown. - [Helium Electron Configuration](https://top10k.com/tool/helium-electron-configuration): Displays and explains the electron configuration of Helium (He), atomic number 2, with orbital diagram, quantum numbers, and animated Bohr shell model. - [Helium Element Properties](https://top10k.com/tool/helium-element-properties): Reference page for Helium (He) element properties: atomic number, mass, electron configuration, isotopes, and key physical and chemical data. - [Helium Oxidation States](https://top10k.com/tool/helium-oxidation-states): Reference page for helium (He, element 2) oxidation states — helium is a noble gas with only the 0 oxidation state; shows electron configuration, key properties, and chemical context. - [Henderson-Hasselbalch Calculator](https://top10k.com/tool/henderson-hasselbalch-calculator): Calculates buffer pH using pH = pKa + log([A-]/[HA]) — the Henderson-Hasselbalch equation for weak acid/conjugate base buffers. - [Hess's Law Calculator](https://top10k.com/tool/hess-law-calculator): Apply Hess's Law to calculate the enthalpy change of a target reaction by linearly combining two or three known reactions, with support for multiplying and reversing each step. - [Holmium Electron Configuration](https://top10k.com/tool/holmium-electron-configuration): Reference for holmium (Ho, Z=67) electron configuration — [Xe] 4f11 6s2, with full subshell breakdown, orbital diagram, quantum numbers, and lanthanide series context. - [Holmium Oxidation States](https://top10k.com/tool/holmium-oxidation-states) - [Hybridization Finder](https://top10k.com/tool/hybridization-finder): Determines the hybridization state (sp, sp2, sp3, sp3d, sp3d2) of the central atom in a molecule by counting bonding pairs and lone pairs using VSEPR theory. - [Hydrogen Electron Configuration](https://top10k.com/tool/hydrogen-electron-configuration): Displays hydrogen's electron configuration (1s1), orbital diagram, quantum numbers, and key atomic properties as a reference page with an interactive shell visualization. - [Hydrogen Element Properties](https://top10k.com/tool/hydrogen-element-properties): Reference page for Hydrogen (H) element properties: atomic number, mass, electron configuration, isotopes, and key physical and chemical data. - [Hydrogen Oxidation States](https://top10k.com/tool/hydrogen-oxidation-states): Reference page listing the common oxidation states of hydrogen (+1, -1, 0) with compound examples and explanation of each state. - [Ideal Gas Calculator](https://top10k.com/tool/ideal-gas-calculator): Solves the ideal gas law (PV = nRT) for any unknown variable given the other three — pressure, volume, moles, or temperature. - [Index of Hydrogen Deficiency Calculator](https://top10k.com/tool/index-of-hydrogen-deficiency): Calculates the index of hydrogen deficiency (IHD) from a molecular formula to count the total number of rings and pi bonds in an organic molecule. - [Indium Electron Configuration](https://top10k.com/tool/indium-electron-configuration): Shows the full and shorthand electron configuration of indium (In, Z=49), with orbital diagram, valence electron details, and key atomic properties. - [Indium Element Properties](https://top10k.com/tool/indium-element-properties): Displays comprehensive physical and chemical properties of Indium (element 49), including atomic mass, melting point, electron configuration, and periodic table data. - [Indium Oxidation States](https://top10k.com/tool/indium-oxidation-states) - [Iodine Electron Configuration](https://top10k.com/tool/iodine-electron-configuration): Shows the full and shorthand electron configuration of iodine (I, Z=53) with orbital diagram and valence electron details. - [Iodine Element Properties](https://top10k.com/tool/iodine-element-properties): Displays comprehensive physical and chemical properties, electron configuration, and periodic table data for Iodine (I, atomic number 53). - [Iodine Oxidation States](https://top10k.com/tool/iodine-oxidation-states) - [Iridium Electron Configuration](https://top10k.com/tool/iridium-electron-configuration): Reference page showing the full electron configuration of iridium (Ir, element 77): [Xe] 4f14 5d7 6s2, with orbital diagram and shell breakdown. - [Iridium Oxidation States](https://top10k.com/tool/iridium-oxidation-states) - [Iron Electron Configuration](https://top10k.com/tool/iron-electron-configuration): Displays the full and abbreviated electron configuration of Iron (Fe, Z=26) with orbital diagrams, subshell breakdown, and quantum number table for chemistry students and reference. - [Iron Element Properties](https://top10k.com/tool/iron-element-properties): Comprehensive reference page for Iron (Fe, atomic number 26) covering physical, chemical, and electronic properties with isotope data. - [Iron Oxidation States Reference](https://top10k.com/tool/iron-oxidation-states) - [Isoelectric Point of Amino Acids](https://top10k.com/tool/isoelectric-point-amino-acid) - [Isotope Abundance Calculator](https://top10k.com/tool/isotope-abundance-calculator): Calculate the average atomic mass of an element from its isotopes' masses and natural abundances. Add as many isotopes as needed and verify that abundances sum to 100%. - [Joule-Thomson Coefficient Calculator](https://top10k.com/tool/joule-thomson-coefficient): Calculates the Joule-Thomson coefficient (μ_JT) from heat capacity at constant pressure, temperature, molar volume, and thermal expansion coefficient. Shows whether a gas heats or cools during isen… - [Ka Calculator](https://top10k.com/tool/ka-calculator): Calculate the acid dissociation constant (Ka) from equilibrium concentrations of reactants and products, or find pH from Ka and initial acid concentration. - [Kb Calculator](https://top10k.com/tool/kb-calculator): Calculates the base dissociation constant (Kb) for weak bases from equilibrium concentrations, or finds the pH of a weak base solution from its Kb and initial concentration. - [Krypton Electron Configuration](https://top10k.com/tool/krypton-electron-configuration): Displays the full and abbreviated electron configuration of Krypton (Kr, Z=36), a noble gas with a complete valence shell. - [Krypton Element Properties](https://top10k.com/tool/krypton-element-properties): Comprehensive reference card for Krypton (Kr, atomic number 36) including atomic mass, electron configuration, physical properties, and common isotopes. - [Krypton Oxidation States](https://top10k.com/tool/krypton-oxidation-states) - [Ksp Calculator](https://top10k.com/tool/ksp-calculator): Calculate the solubility product constant (Ksp) from ion concentrations, or find ion concentration from a known Ksp, for common ionic compounds. - [Langmuir Isotherm Calculator](https://top10k.com/tool/langmuir-isotherm): Calculate adsorption quantities using the Langmuir isotherm model. Find surface coverage, amount adsorbed, separation factor, and linearized values. - [Lanthanum Electron Configuration](https://top10k.com/tool/lanthanum-electron-configuration): Displays the full and shorthand electron configuration of lanthanum (La, atomic number 57), first lanthanide, with orbital diagram and key chemical properties. - [Lanthanum Element Properties](https://top10k.com/tool/lanthanum-element-properties): Comprehensive periodic-table reference card for Lanthanum (La, atomic number 57): atomic mass, electron configuration, oxidation states, physical and chemical properties. - [Lanthanum Oxidation States](https://top10k.com/tool/lanthanum-oxidation-states) - [Lattice Energy Calculator](https://top10k.com/tool/lattice-energy-calculator): Estimates ionic crystal lattice energy using the Born-Lande equation from ion charges, radii, and Madelung constant. - [Le Chatelier Predictor](https://top10k.com/tool/le-chatelier-predictor): Predicts how a chemical equilibrium shifts when temperature, pressure, or concentration conditions change, based on Le Chatelier's principle. - [Lead Electron Configuration](https://top10k.com/tool/lead-electron-configuration): Displays lead's electron configuration ([Xe] 4f14 5d10 6s2 6p2), orbital diagram, and key properties for chemistry students and reference. - [Lead Element Properties](https://top10k.com/tool/lead-element-properties): Static reference page for Lead (Pb, element 82) — atomic weight, electron configuration, oxidation states, physical properties, and key facts. - [Lead Oxidation States](https://top10k.com/tool/lead-oxidation-states) - [Limiting Reagent Calculator](https://top10k.com/tool/limiting-reagent-calculator): Identifies the limiting reagent in a two-reactant chemical reaction given moles of each reactant and stoichiometric coefficients, and calculates moles of product formed. - [Limiting Reagent Calculator](https://top10k.com/tool/limiting-reagent-organic): Determines the limiting reagent in a chemical reaction by comparing moles available for each reactant against the stoichiometric ratio, and calculates theoretical yield and percent yield of the pro… - [Lithium Electron Configuration](https://top10k.com/tool/lithium-electron-configuration): Displays lithium's full electron configuration (1s2 2s1), orbital diagram, and key periodic table properties. - [Lithium Element Properties](https://top10k.com/tool/lithium-element-properties): Reference page for Lithium (Li), element 3 — displays atomic mass, electron configuration, physical and chemical properties, isotopes, and key facts. - [Lithium Oxidation States](https://top10k.com/tool/lithium-oxidation-states): Reference page covering the oxidation states of Lithium (Li, element 3), its common compounds, and oxidation state rules with interactive examples. - [Lutetium Electron Configuration](https://top10k.com/tool/lutetium-electron-configuration): Reference for lutetium (Lu, Z=71) electron configuration — [Xe] 4f¹⁴ 5d¹ 6s² — the last lanthanide with a fully filled 4f subshell forcing one electron into 5d, with orbital diagram and periodic ta… - [Lutetium Oxidation States](https://top10k.com/tool/lutetium-oxidation-states) - [Magnesium Electron Configuration](https://top10k.com/tool/magnesium-electron-configuration): Displays and explains the electron configuration of magnesium (Mg, atomic number 12): 1s² 2s² 2p⁶ 3s², including orbital box diagram, subshell breakdown, shell diagram, and key element facts. - [Magnesium Element Properties](https://top10k.com/tool/magnesium-element-properties): Displays comprehensive physical, chemical, and atomic properties of Magnesium (Mg, atomic number 12) with a mini periodic table locator and unit converter for common properties. - [Magnesium Oxidation States](https://top10k.com/tool/magnesium-oxidation-states) - [Manganese Electron Configuration](https://top10k.com/tool/manganese-electron-configuration): Displays the full and abbreviated electron configuration of Manganese (Mn, Z=25) with orbital diagrams, quantum numbers, and a visual subshell breakdown for chemistry students and reference. - [Manganese Element Properties](https://top10k.com/tool/manganese-element-properties): Reference page displaying key physical, chemical, and atomic properties of Manganese (Mn, element 25) with copyable property values. - [Manganese Oxidation States](https://top10k.com/tool/manganese-oxidation-states) - [Mass Balance Calculator](https://top10k.com/tool/mass-balance-calculator): Solves a single-unit mass balance (input = output + accumulation) for chemical processes, letting you solve for any one unknown stream given the others. - [Mass Percent Calculator](https://top10k.com/tool/mass-percent-calculator): Calculates the mass percent (weight percent) of a component in a mixture: mass% = (mass of component / total mass) × 100. - [Mass Spec Fragment Helper](https://top10k.com/tool/mass-spec-fragment-helper): Identifies common mass spectrometry fragmentation patterns and neutral losses from a given m/z value to help organic chemists interpret EI or ESI mass spectra. - [Melt Flow Index Calculator](https://top10k.com/tool/melt-flow-index): Calculate melt mass-flow rate (MFR/MFI) from timed extrudate cuts, summarize repeat cuts, and convert MFR to MVR using melt density at the test temperature. - [Melting Temperature Calculator](https://top10k.com/tool/melting-temperature-calculator): Calculate DNA primer melting temperature (Tm) and GC content, or look up reference melting points with Celsius, Fahrenheit, and Kelvin conversion. - [Mercury Electron Configuration](https://top10k.com/tool/mercury-electron-configuration): Reference page showing the full electron configuration of mercury (Hg, element 80): [Xe] 4f14 5d10 6s2, with orbital diagram, shell breakdown, and notes on mercury's liquid state at room temperature. - [Mercury Element Properties](https://top10k.com/tool/mercury-element-properties): Complete reference for Mercury (Hg, atomic number 80) — atomic data, physical properties, toxicity notes, and modern applications. - [Mercury Oxidation States](https://top10k.com/tool/mercury-oxidation-states) - [Miller Indices Calculator](https://top10k.com/tool/miller-indices-calculator): Converts crystal plane intercepts to Miller indices (hkl) notation and calculates d-spacing for cubic crystal systems used in crystallography and X-ray diffraction. - [Molar Absorptivity Calculator](https://top10k.com/tool/molar-absorptivity-calculator): Calculates molar absorptivity (molar extinction coefficient) from absorbance, concentration, and path length using the Beer-Lambert Law (A = εcl). - [Molar Mass Calculator](https://top10k.com/tool/molar-mass-calculator): Calculates the molar mass of a chemical compound from its molecular formula (e.g., H2O, NaCl, C6H12O6). - [Molar Volume Calculator](https://top10k.com/tool/molar-volume-calculator): Calculates the molar volume of an ideal gas at any temperature and pressure using the ideal gas law (V = nRT/P), with STP and SATP reference values. - [Molarity Calculator](https://top10k.com/tool/molarity-calculator): Calculate molarity (molar concentration) of a solution given moles of solute and volume, or solve for any variable when the other two are known. - [Molarity of Acid from Density](https://top10k.com/tool/molarity-of-acid-from-density): Calculates the molar concentration (molarity) of a concentrated acid solution from its density (g/mL), mass percentage purity, and molar mass. - [Molarity to Mass Percent Converter](https://top10k.com/tool/molarity-to-percent): Converts solution concentration from molarity (mol/L) to mass/volume percent (w/v %) and weight/weight percent (w/w %), given the solute molecular weight and solution density. - [Mole Calculator](https://top10k.com/tool/mole-calculator): Converts between moles, mass (grams), and number of particles using molar mass. Enter a molar mass manually or select a common compound from the preset list. - [Mole Fraction Calculator](https://top10k.com/tool/mole-fraction-calculator): Calculate the mole fraction of each component in a mixture. Enter amounts in moles or grams with molar mass to find the mole fraction and mole percent of every component. - [Moles of Gas at STP Calculator](https://top10k.com/tool/mole-of-gas-at-stp): Calculates the volume, moles, or mass of an ideal gas at standard temperature and pressure (STP: 0°C, 1 atm) using the molar volume of 22.4 L/mol. - [Mole Ratio Calculator](https://top10k.com/tool/mole-ratio-calculator): Calculate mole ratios between reactants and products from a balanced chemical equation using stoichiometry coefficients. - [Molecular Weight Polymer Calculator](https://top10k.com/tool/molecular-weight-polymer): Calculates number-average (Mn) and weight-average (Mw) molecular weight of a polymer from fraction data, plus dispersity index. - [Moles to Grams Calculator](https://top10k.com/tool/moles-to-grams-calculator) - [Molybdenum Electron Configuration](https://top10k.com/tool/molybdenum-electron-configuration): Display molybdenum's anomalous electron configuration [Kr] 4d⁵ 5s¹ with orbital diagrams, quantum numbers for all 42 electrons, and a full explanation of the half-filled d-shell exception to the Au… - [Molybdenum Element Properties](https://top10k.com/tool/molybdenum-element-properties): Comprehensive reference card for Molybdenum (Mo, atomic number 42) — physical, chemical, electronic, and thermodynamic properties in one place. - [Molybdenum Oxidation States](https://top10k.com/tool/molybdenum-oxidation-states) - [mRNA to Protein Translator](https://top10k.com/tool/mrna-to-protein-translator) - [Neodymium Electron Configuration](https://top10k.com/tool/neodymium-electron-configuration): Displays the full electron configuration of Neodymium (Nd, element 60), including orbital notation, noble gas shorthand, and oxidation states reference. - [Neodymium Oxidation States](https://top10k.com/tool/neodymium-oxidation-states) - [Neon Electron Configuration](https://top10k.com/tool/neon-electron-configuration): Displays and explains the electron configuration of Neon (Ne, atomic number 10), with orbital box diagram, quantum number table, animated Bohr shell model, and key atomic properties. - [Neon Element Properties](https://top10k.com/tool/neon-element-properties): Comprehensive reference page for the chemical element Neon (Ne, atomic number 10) with all key physical, atomic, and thermodynamic properties. - [Neon Oxidation States](https://top10k.com/tool/neon-oxidation-states): Reference page explaining neon's oxidation states — neon has no stable oxidation states and is a noble gas — with electron configuration and chemical properties. - [Neptunium Electron Configuration](https://top10k.com/tool/neptunium-electron-configuration): Displays the full and abbreviated electron configuration of Neptunium (Np, element 93), including orbital diagram, quantum numbers, and key properties. - [Neptunium Oxidation States](https://top10k.com/tool/neptunium-oxidation-states) - [Nernst Equation Calculator](https://top10k.com/tool/nernst-equation-calculator): Calculates the electrochemical cell potential at non-standard conditions using the Nernst equation E = E° − (RT/nF)·ln(Q). - [Nickel Electron Configuration](https://top10k.com/tool/nickel-electron-configuration): Displays the full and abbreviated electron configuration of Nickel (Ni, Z=28) with orbital diagrams, subshell breakdown, and element facts for chemistry students and reference. - [Nickel Element Properties](https://top10k.com/tool/nickel-element-properties): Comprehensive reference card for Nickel (Ni, element 28) covering atomic properties, physical constants, electron configuration, oxidation states, and common industrial uses. - [Nickel Oxidation States](https://top10k.com/tool/nickel-oxidation-states) - [Niobium Electron Configuration](https://top10k.com/tool/niobium-electron-configuration): Reference tool for niobium (Nb, Z=41) electron configuration — anomalous [Kr] 4d⁴ 5s¹ (NOT [Kr] 4d³ 5s² as Aufbau predicts) due to d/s stability; explains the exception, shows orbital diagram, Peri… - [Niobium Element Properties](https://top10k.com/tool/niobium-element-properties): Display atomic and physical properties of Niobium (element 41) from the periodic table. - [Niobium Oxidation States](https://top10k.com/tool/niobium-oxidation-states) - [Nitrogen Electron Configuration](https://top10k.com/tool/nitrogen-electron-configuration): Displays and explains the electron configuration of nitrogen (Z=7) with orbital diagrams, quantum numbers, and interactive electron-shell explorer for any element. - [Nitrogen Element Properties](https://top10k.com/tool/nitrogen-element-properties): Comprehensive reference for Nitrogen (N), element 7 — atomic mass, electron configuration, isotopes, physical and chemical properties, and key uses in industry and biology. - [Nitrogen Oxidation States](https://top10k.com/tool/nitrogen-oxidation-states) - [NMR Chemical Shift Reference](https://top10k.com/tool/nmr-shift-reference): Search typical 1H NMR chemical shift ranges by functional group, proton environment, or observed ppm, including common residual solvent and impurity peaks. - [Normality Calculator](https://top10k.com/tool/normality-calculator): Calculates the normality of a solution from the number of gram equivalents of solute and the volume of solution in liters. - [Normality of Acid Calculator](https://top10k.com/tool/normality-of-acid): Calculates the normality of an acid solution from molarity and n-factor (number of replaceable H+ ions); covers HCl, H2SO4, H3PO4, and custom acids. - [Number of Atoms Calculator](https://top10k.com/tool/number-of-atoms-calculator): Calculate the number of atoms in a sample given its mass in grams and molar mass using Avogadro's number (6.02214076 × 10²³). Displays the result in scientific notation with a step-by-step breakdown. - [Orifice Flow Calculator](https://top10k.com/tool/orifice-flow-calculator): Calculates volumetric flow rate through an orifice using the orifice equation (Torricelli's theorem / discharge coefficient method). - [Osmium Electron Configuration](https://top10k.com/tool/osmium-electron-configuration): Displays the full and condensed electron configuration of osmium (Os, element 76, [Xe] 4f14 5d6 6s2) in multiple notation styles with orbital diagram and quantum numbers. - [Osmium Oxidation States](https://top10k.com/tool/osmium-oxidation-states) - [Osmotic Pressure Calculator](https://top10k.com/tool/osmotic-pressure-calculator): Calculates osmotic pressure using the van't Hoff equation (π = iMRT) for chemistry students and professionals. - [Oxidation Number Calculator](https://top10k.com/tool/oxidation-number-calculator): Determine oxidation numbers of elements in common compounds using rules-based lookup with step-by-step explanations. - [Oxygen Electron Configuration](https://top10k.com/tool/oxygen-electron-configuration): Displays and explains the electron configuration of oxygen (Z=8) with orbital diagrams, quantum numbers, and an interactive electron-shell explorer for any element. - [Oxygen Element Properties](https://top10k.com/tool/oxygen-element-properties): Comprehensive reference for Oxygen (O), element 8 — atomic mass, electron configuration, isotopes, physical and chemical properties, and key facts about the most abundant element in Earth's crust. - [Oxygen Oxidation States](https://top10k.com/tool/oxygen-oxidation-states) - [Palladium Electron Configuration](https://top10k.com/tool/palladium-electron-configuration): Displays the full and shorthand electron configuration of palladium (Pd, element 46), with orbital diagram and energy level breakdown. - [Palladium Element Properties](https://top10k.com/tool/palladium-element-properties): Displays a comprehensive reference card for Palladium (Pd, element 46) including atomic mass, electron configuration, oxidation states, physical properties, and common uses. - [Palladium Oxidation States](https://top10k.com/tool/palladium-oxidation-states) - [Partial Pressure Calculator](https://top10k.com/tool/partial-pressure-calculator): Calculates the partial pressure of a gas in a mixture using Dalton's Law (P_i = x_i * P_total) given mole fraction and total pressure. - [Partition Coefficient (LogP) Calculator](https://top10k.com/tool/partition-coefficient-logp): Estimate the octanol-water partition coefficient (LogP) of organic molecules using fragment-based contribution methods. Useful for drug discovery, ADME prediction, and environmental chemistry. - [Percent Atom Economy](https://top10k.com/tool/percent-atom-economy): Calculates the percent atom economy of a chemical reaction — the percentage of reactant atoms that end up in the desired product (green chemistry metric). - [Percent Ionization Calculator](https://top10k.com/tool/percent-ionization-calculator): Calculates the percent ionization of a weak acid or base from Ka/Kb and initial concentration using the exact quadratic formula. - [Percent Yield Calculator](https://top10k.com/tool/percent-yield-calculator): Calculate the percent yield of a chemical reaction from actual yield and theoretical yield. Also solve for actual yield or theoretical yield when percent yield is known. - [pH Calculator](https://top10k.com/tool/ph-calculator): Calculate pH from hydrogen ion concentration, or convert between pH, pOH, [H+], and [OH-] with instant results. - [pH Control Calculator](https://top10k.com/tool/ph-control-calculator): Calculates the amount of acid or base needed to adjust a solution's pH to a target value, given current pH, solution volume, and buffer or concentration details. - [pH of Buffer Solution (Henderson-Hasselbalch)](https://top10k.com/tool/ph-of-buffer-detailed): Calculates buffer pH using the Henderson-Hasselbalch equation from pKa and the molar ratio of conjugate base to weak acid, with a full step-by-step solution breakdown. - [pH of Weak Acid Calculator](https://top10k.com/tool/ph-of-weak-acid) - [pH of Weak Base Calculator](https://top10k.com/tool/ph-of-weak-base): Calculates the pH of a weak base solution from its concentration and base dissociation constant (Kb). Shows pOH, pKb, percent ionization, and hydroxide ion concentration. - [pH to H+ Concentration Calculator](https://top10k.com/tool/ph-to-h-concentration-calculator): Converts pH to hydrogen ion concentration [H+] using [H+] = 10^(-pH) and also converts [H+] back to pH. - [Phosphorus Electron Configuration](https://top10k.com/tool/phosphorus-electron-configuration): Displays the full electron configuration, orbital diagram, and key atomic properties of phosphorus (element 15, symbol P). - [Phosphorus Element Properties](https://top10k.com/tool/phosphorus-element-properties): Reference page for Phosphorus (P, atomic number 15) covering physical, chemical, and electronic properties with an interactive electron configuration diagram. - [Phosphorus Oxidation States Explorer](https://top10k.com/tool/phosphorus-oxidation-states) - [Platinum Electron Configuration](https://top10k.com/tool/platinum-electron-configuration): Reference page showing the full electron configuration of platinum (Pt, element 78): [Xe] 4f¹⁴ 5d⁹ 6s¹ (anomalous), with orbital diagram and shell breakdown. - [Platinum Element Properties](https://top10k.com/tool/platinum-element-properties): Displays comprehensive physical and chemical properties of Platinum (Pt, atomic number 78) including atomic mass, electron configuration, oxidation states, melting point, and industrial uses. - [Platinum Oxidation States](https://top10k.com/tool/platinum-oxidation-states) - [Plutonium Electron Configuration](https://top10k.com/tool/plutonium-electron-configuration) - [Plutonium Element Properties](https://top10k.com/tool/plutonium-element-properties): Complete reference for Plutonium (Pu, atomic number 94) — atomic data, electron configuration, physical, chemical, and nuclear properties, isotopes, and history. - [Plutonium Oxidation States](https://top10k.com/tool/plutonium-oxidation-states) - [pOH Calculator](https://top10k.com/tool/poh-calculator): Calculates pOH from hydroxide ion concentration [OH-] using pOH = -log[OH-], and derives pH from pOH via pH + pOH = 14. - [Polonium Electron Configuration](https://top10k.com/tool/polonium-electron-configuration): Displays polonium's electron configuration ([Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴), orbital diagram, and key properties for chemistry reference. - [Polonium Oxidation States](https://top10k.com/tool/polonium-oxidation-states) - [Polydispersity Index Calculator](https://top10k.com/tool/polydispersity-index): Calculates the polydispersity index (PDI) of a polymer sample from weight-average and number-average molecular weights, indicating the breadth of molecular weight distribution. - [Potassium Electron Configuration](https://top10k.com/tool/potassium-electron-configuration): Displays and explains the electron configuration of potassium (K, element 19), showing orbital notation, shell structure, and energy level diagrams. - [Potassium Element Properties](https://top10k.com/tool/potassium-element-properties): Complete reference page for Potassium (K, atomic number 19) covering atomic mass, electron configuration, melting and boiling points, density, oxidation states, isotopes, and common uses. - [Potassium Oxidation States](https://top10k.com/tool/potassium-oxidation-states) - [PPM Concentration Calculator](https://top10k.com/tool/ppm-concentration-calculator): Convert between parts per million (ppm) and other concentration units (mg/L, mg/kg, percent by mass, molarity) for solutions — handles water-density assumption and lets users input mass of solute, … - [Praseodymium Electron Configuration](https://top10k.com/tool/praseodymium-electron-configuration): Displays the full electron configuration of Praseodymium (Pr, element 59), including orbital notation, noble gas shorthand [Xe] 4f³ 6s², quantum numbers, and oxidation states reference. - [Praseodymium Oxidation States](https://top10k.com/tool/praseodymium-oxidation-states) - [Promethium Electron Configuration](https://top10k.com/tool/promethium-electron-configuration): Displays the full electron configuration of Promethium (Pm, element 61), including orbital notation, noble gas shorthand, and notes on its radioactive nature. - [Promethium Oxidation States](https://top10k.com/tool/promethium-oxidation-states) - [Protactinium Electron Configuration](https://top10k.com/tool/protactinium-electron-configuration): Displays the full and abbreviated electron configuration of Protactinium (Pa, element 91), including orbital diagram, quantum numbers, and key properties. - [Protactinium Oxidation States](https://top10k.com/tool/protactinium-oxidation-states) - [Punnett Square Trihybrid](https://top10k.com/tool/punnett-square-trihybrid): Generates a trihybrid Punnett square showing all 64 genotype combinations and phenotype ratios for three gene traits. - [qPCR Efficiency Calculator](https://top10k.com/tool/qpcr-efficiency-calculator): Calculates PCR amplification efficiency from a standard curve slope using E = 10^(-1/slope) - 1. Instantly assess assay quality with R² and efficiency percentage. - [Quantum Numbers Calculator](https://top10k.com/tool/quantum-numbers-calculator): Determines valid quantum numbers (n, l, ml, ms) for electrons in atomic orbitals and explains the rules for each. - [Radium Electron Configuration](https://top10k.com/tool/radium-electron-configuration): Displays the full and shorthand electron configuration for Radium (Ra, element 88), a radioactive alkaline earth metal in Period 7; configuration is [Rn] 7s². - [Radium Element Properties](https://top10k.com/tool/radium-element-properties): Complete reference for Radium (Ra, atomic number 88) — atomic data, electron configuration, physical and chemical properties, radioactive decay, and discovery history. - [Radium Oxidation States](https://top10k.com/tool/radium-oxidation-states) - [Radon Electron Configuration](https://top10k.com/tool/radon-electron-configuration): Displays the full and shorthand electron configuration for Radon (Rn, element 86), a radioactive noble gas in Period 6; configuration is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶. - [Radon Oxidation States](https://top10k.com/tool/radon-oxidation-states): Lists the oxidation states of Radon (Rn, element 86), a radioactive noble gas; Rn is chemically almost inert with oxidation state 0, though +2 has been observed in some rare fluorine compounds. - [Raoult's Law Calculator](https://top10k.com/tool/raoults-law-calculator): Calculates the vapor pressure of a solution using Raoult's Law (P_solution = x_solvent * P_pure). Enter the mole fraction of the solvent and the pure solvent vapor pressure to get the solution vapo… - [Rate Law Calculator](https://top10k.com/tool/rate-law-calculator): Calculate the reaction rate for a chemical reaction given the rate constant and reactant concentrations with their reaction orders. - [Rate of Reaction Calculator](https://top10k.com/tool/rate-of-reaction-calculator): Calculate the average rate of reaction from change in concentration over change in time, with support for both reactant and product rates and stoichiometric scaling. - [Reaction Order Calculator](https://top10k.com/tool/reaction-order-calculator): Determines the overall reaction order and rate constant from two experimental rate measurements using the method of initial rates. - [Reaction Quotient Calculator](https://top10k.com/tool/reaction-quotient-calculator): Calculates the reaction quotient Q for a chemical reaction and compares it with Keq to determine reaction direction. - [Redox Half-Reaction Balancer](https://top10k.com/tool/redox-balancer): Balance oxidation-reduction (redox) reactions using the half-reaction method. Shows oxidation states, half-reactions, and step-by-step balancing for acidic or basic solution. - [Resolution Chromatography Calculator](https://top10k.com/tool/resolution-chromatography): Calculates chromatographic resolution (Rs) between two peaks using retention times and peak widths. Supports both half-width and baseline width methods. - [Retention Factor Calculator (Rf)](https://top10k.com/tool/retention-factor-calculator): Calculates the Rf (retention factor) in thin-layer chromatography (TLC) and paper chromatography: Rf = distance traveled by solute / distance traveled by solvent front. Supports batch entry of mult… - [Rf Value Chromatography Calculator](https://top10k.com/tool/rf-value-chromatography): Calculates the retention factor (Rf value) in thin-layer chromatography (TLC) and paper chromatography from solute and solvent migration distances. - [Rhenium Electron Configuration](https://top10k.com/tool/rhenium-electron-configuration): Displays the full and condensed electron configuration of rhenium (Re, element 75, [Xe] 4f14 5d5 6s2) with orbital filling diagram and periodic table context. - [Rhenium Oxidation States](https://top10k.com/tool/rhenium-oxidation-states) - [Rhodium Electron Configuration](https://top10k.com/tool/rhodium-electron-configuration): Displays the full and shorthand electron configuration of rhodium (Rh, element 45), with orbital diagram and energy level breakdown. - [Rhodium Element Properties](https://top10k.com/tool/rhodium-element-properties): Reference page for Rhodium (Rh, atomic number 45) — atomic mass, electron configuration, oxidation states, isotopes, physical and chemical properties. - [Rhodium Oxidation States](https://top10k.com/tool/rhodium-oxidation-states) - [Rubidium Electron Configuration](https://top10k.com/tool/rubidium-electron-configuration): Displays the full and abbreviated electron configuration of Rubidium (Rb, Z=37), a soft alkali metal in period 5. - [Rubidium Element Properties](https://top10k.com/tool/rubidium-element-properties): Comprehensive reference card for Rubidium (Rb, atomic number 37) — physical, chemical, electronic, and thermodynamic properties in one place. - [Rubidium Oxidation States](https://top10k.com/tool/rubidium-oxidation-states) - [Ruthenium Electron Configuration](https://top10k.com/tool/ruthenium-electron-configuration): Displays the full and shorthand electron configuration of ruthenium (Ru, element 44), with orbital diagram and energy level breakdown. - [Ruthenium Element Properties](https://top10k.com/tool/ruthenium-element-properties): Comprehensive reference card for Ruthenium (Ru, atomic number 44) — physical, chemical, electronic, and thermodynamic properties in one place. - [Ruthenium Oxidation States](https://top10k.com/tool/ruthenium-oxidation-states) - [Samarium Electron Configuration](https://top10k.com/tool/samarium-electron-configuration): Displays the full electron configuration of Samarium (Sm, element 62), including orbital notation, noble gas shorthand, and oxidation states reference. - [Samarium Oxidation States](https://top10k.com/tool/samarium-oxidation-states) - [Scandium Electron Configuration](https://top10k.com/tool/scandium-electron-configuration): Reference tool for scandium (Sc, Z=21) electron configuration — full notation 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹ 4s², abbreviated [Ar] 3d¹ 4s², orbital diagram, and key properties. - [Scandium Element Properties](https://top10k.com/tool/scandium-element-properties): Reference page for Scandium (Sc, atomic number 21) — atomic mass, electron configuration, oxidation states, uses, and key physical/chemical properties. - [Scandium Oxidation States](https://top10k.com/tool/scandium-oxidation-states) - [Selenium Electron Configuration](https://top10k.com/tool/selenium-electron-configuration): Displays the full and abbreviated electron configuration of selenium (Se, Z=34), including orbital notation, shell breakdown, and key element facts. - [Selenium Element Properties](https://top10k.com/tool/selenium-element-properties): Comprehensive reference for Selenium (Se, atomic number 34) covering physical, chemical, and electronic properties with an interactive property lookup. - [Selenium Oxidation States](https://top10k.com/tool/selenium-oxidation-states) - [Serial Dilution Calculator](https://top10k.com/tool/serial-dilution-calculator): Calculate concentrations at each step of a serial dilution given starting concentration, dilution factor, and number of steps. - [Silicon Electron Configuration](https://top10k.com/tool/silicon-electron-configuration): Reference and interactive tool for silicon (Si, Z=14) electron configuration — shows ground state [Ne]3s²3p², orbital diagram, quantum numbers, and explains semiconductor behavior. - [Silicon Element Properties](https://top10k.com/tool/silicon-element-properties): Reference page displaying physical, chemical, and atomic properties of Silicon (Si, atomic number 14) — static data display with a full property table. - [Silicon Oxidation States Reference](https://top10k.com/tool/silicon-oxidation-states) - [Silver Electron Configuration](https://top10k.com/tool/silver-electron-configuration): Displays the full and shorthand electron configuration of silver (Ag, element 47), with orbital diagram and energy level breakdown. - [Silver Element Properties](https://top10k.com/tool/silver-element-properties): Comprehensive reference card for Silver (Ag, element 47) covering atomic mass, electron configuration, oxidation states, physical and chemical properties, isotopes, and common compounds. - [Silver Oxidation States](https://top10k.com/tool/silver-oxidation-states) - [Sodium Electron Configuration](https://top10k.com/tool/sodium-electron-configuration): Displays and explains the electron configuration of sodium (Na, atomic number 11) with orbital notation, energy level diagrams, and interactive shell breakdown. - [Sodium Element Properties](https://top10k.com/tool/sodium-element-properties): Complete reference page for Sodium (Na, atomic number 11) covering physical, chemical, and nuclear properties, electron configuration, and common compounds. - [Sodium Oxidation States](https://top10k.com/tool/sodium-oxidation-states) - [Solubility Product Calculator](https://top10k.com/tool/solubility-product-calculator): Calculates the solubility product constant (Ksp) and molar solubility of sparingly soluble salts in aqueous solution. - [Solution Concentration Converter](https://top10k.com/tool/solution-concentration-converter): Converts between different solution concentration units including molarity, molality, normality, mass percent, and ppm. - [Solution Mixing Calculator](https://top10k.com/tool/solution-mixing-calculator): Calculates volumes needed to mix two solutions of different concentrations to achieve a target concentration and volume using C1V1 + C2V2 = CfVf. Supports molarity, percent, and ppm units. - [Specific Gravity Solution Calculator](https://top10k.com/tool/specific-gravity-solution): Calculate the specific gravity of a solution given its density relative to water, and optionally convert between density and concentration. - [IR Spectroscopy Helper](https://top10k.com/tool/spectroscopy-ir-helper): Reference tool for interpreting infrared (IR) spectroscopy spectra — lists characteristic absorption bands for common functional groups with wavenumber ranges and intensities. - [Standard Cell Potential Calculator](https://top10k.com/tool/standard-cell-potential): Calculates standard electrochemical cell potential (E°cell = E°cathode - E°anode) from half-reaction reduction potentials. - [Strontium Electron Configuration](https://top10k.com/tool/strontium-electron-configuration): Displays the full and abbreviated electron configuration of strontium (Sr, Z=38), an alkaline earth metal in period 5. - [Strontium Element Properties](https://top10k.com/tool/strontium-element-properties): Reference page for Strontium (Sr, atomic number 38) — atomic mass, electron configuration, oxidation states, isotopes, physical and chemical properties. - [Strontium Oxidation States](https://top10k.com/tool/strontium-oxidation-states) - [Sulfur Electron Configuration](https://top10k.com/tool/sulfur-electron-configuration): Displays and explains the electron configuration of sulfur (element 16), including orbital notation, quantum numbers, and an energy level diagram. - [Sulfur Element Properties](https://top10k.com/tool/sulfur-element-properties): Displays key physical and chemical properties of sulfur (element 16) including atomic mass, density, melting/boiling points, electron configuration, and common uses. - [Sulfur Oxidation States](https://top10k.com/tool/sulfur-oxidation-states) - [Surface Energy Calculator](https://top10k.com/tool/surface-energy-calculator): Calculate surface energy of a material from contact angle and liquid surface tension using the Young equation. Determine wettability and surface free energy instantly. - [Polymer Swelling Ratio Calculator](https://top10k.com/tool/swelling-ratio-polymer): Calculates equilibrium swelling ratio (Q) and volume fraction of polymer (vr) from dry vs. swollen mass and density measurements for crosslinked polymer networks. - [Tantalum Electron Configuration](https://top10k.com/tool/tantalum-electron-configuration): Displays the full and condensed electron configuration of tantalum (Ta, element 73, [Xe] 4f14 5d3 6s2) with orbital filling diagram and period/group context. - [Tantalum Oxidation States](https://top10k.com/tool/tantalum-oxidation-states) - [Technetium Electron Configuration](https://top10k.com/tool/technetium-electron-configuration): Interactive reference for technetium (Tc, Z=43) electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d⁵ 5s², orbital diagram, quantum numbers, and key facts about the lightest element with no … - [Technetium Element Properties](https://top10k.com/tool/technetium-element-properties): Comprehensive reference card for Technetium (Tc, element 43) — atomic number, mass, electron configuration, oxidation states, physical properties, and discovery history. - [Technetium Oxidation States](https://top10k.com/tool/technetium-oxidation-states) - [Tellurium Electron Configuration](https://top10k.com/tool/tellurium-electron-configuration): Shows the full and shorthand electron configuration of tellurium (Te, Z=52) with orbital diagram and valence electron details. - [Tellurium Element Properties](https://top10k.com/tool/tellurium-element-properties): Displays comprehensive physical and chemical properties, electron configuration, and periodic table data for Tellurium (Te, atomic number 52). - [Tellurium Oxidation States](https://top10k.com/tool/tellurium-oxidation-states) - [Terbium Electron Configuration](https://top10k.com/tool/terbium-electron-configuration): Reference for terbium (Tb, Z=65) electron configuration — [Xe] 4f⁹ 6s², with orbital diagram and green phosphor applications. - [Terbium Oxidation States](https://top10k.com/tool/terbium-oxidation-states) - [Thallium Electron Configuration](https://top10k.com/tool/thallium-electron-configuration): Reference page showing the full electron configuration of thallium (Tl, element 81): [Xe] 4f14 5d10 6s2 6p1, with orbital diagram, shell breakdown, and notes on the inert pair effect. - [Thallium Oxidation States](https://top10k.com/tool/thallium-oxidation-states) - [Theoretical Plates Calculator](https://top10k.com/tool/theoretical-plates-calculator): Calculate theoretical plates (N), plates per meter (N/m), and plate height (HETP) for chromatography columns using retention time and peak width measurements. - [Theoretical Yield Calculator](https://top10k.com/tool/theoretical-yield-calculator) - [Thorium Electron Configuration](https://top10k.com/tool/thorium-electron-configuration): Displays the full and abbreviated electron configuration of Thorium (Th, element 90), including orbital diagram, quantum numbers, and key properties. - [Thorium Oxidation States](https://top10k.com/tool/thorium-oxidation-states) - [Thulium Electron Configuration](https://top10k.com/tool/thulium-electron-configuration): Reference for thulium (Tm, Z=69) electron configuration — [Xe] 4f¹³ 6s², with full subshell table, orbital diagram, quantum numbers, and key element facts including fiber-laser and portable X-ray u… - [Thulium Oxidation States](https://top10k.com/tool/thulium-oxidation-states) - [Tin Electron Configuration](https://top10k.com/tool/tin-electron-configuration): Shows the full and shorthand electron configuration of tin (Sn, Z=50) with orbital diagram and valence electron details. - [Tin Element Properties](https://top10k.com/tool/tin-element-properties): Displays a comprehensive reference card for Tin (Sn, atomic number 50) covering atomic mass, electron configuration, oxidation states, physical/chemical properties, and common uses. - [Tin Oxidation States](https://top10k.com/tool/tin-oxidation-states) - [Titanium Electron Configuration](https://top10k.com/tool/titanium-electron-configuration): Displays the full electron configuration of titanium (Ti, atomic number 22), with an interactive orbital diagram, subshell breakdown, and explanation of its d-block position. - [Titanium Element Properties](https://top10k.com/tool/titanium-element-properties): Reference page for Titanium (Ti) element properties: atomic number, mass, electron configuration, physical and chemical data, uses, and key facts. - [Titanium Oxidation States](https://top10k.com/tool/titanium-oxidation-states) - [Titration Calculator](https://top10k.com/tool/titration-calculator): Calculate unknown concentration or volume in acid-base titrations using M1V1 = M2V2. Supports strong and weak acid/base systems. - [Tungsten Electron Configuration](https://top10k.com/tool/tungsten-electron-configuration): Displays the full and condensed electron configuration of tungsten (W, element 74, [Xe] 4f14 5d4 6s2) with orbital filling diagram and atomic data. - [Tungsten Element Properties](https://top10k.com/tool/tungsten-element-properties): Comprehensive physical and chemical properties of Tungsten (W, atomic number 74) with interactive search and click-to-copy values. - [Tungsten Oxidation States](https://top10k.com/tool/tungsten-oxidation-states) - [Uranium Electron Configuration](https://top10k.com/tool/uranium-electron-configuration): Displays the full and abbreviated electron configuration of Uranium (U, element 92), including orbital diagram, quantum numbers, and key properties. - [Uranium Element Properties](https://top10k.com/tool/uranium-element-properties): Complete reference for Uranium (U, atomic number 92) — atomic data, electron configuration, physical, chemical, and nuclear properties, isotopes, and uses. - [Uranium Oxidation States](https://top10k.com/tool/uranium-oxidation-states) - [Van't Hoff Factor Calculator](https://top10k.com/tool/van-t-hoff-factor-calculator): Calculates the van't Hoff factor (i) for electrolytes and uses it to compute colligative property corrections: boiling point elevation, freezing point depression, and osmotic pressure. - [Vanadium Electron Configuration](https://top10k.com/tool/vanadium-electron-configuration): Reference tool for vanadium (V, Z=23) electron configuration — full notation 1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s², abbreviated [Ar] 3d³ 4s², with orbital diagram, Period 4 Group 5 placement, common oxidatio… - [Vanadium Element Properties](https://top10k.com/tool/vanadium-element-properties): Quick-reference card for vanadium (V, atomic number 23) showing atomic mass, electron configuration, oxidation states, melting/boiling points, and key chemical properties. - [Vanadium Oxidation States](https://top10k.com/tool/vanadium-oxidation-states) - [Vapor Density Calculator](https://top10k.com/tool/vapor-density-calculator): Calculate vapor density of a gas relative to air and compute absolute gas density at a given temperature and pressure using the ideal gas law. - [Vapor-Liquid Equilibrium Calculator](https://top10k.com/tool/vapor-liquid-equilibrium): Calculates vapor-liquid equilibrium (VLE) for a binary mixture using Raoult's Law. Given Antoine constants and temperature, outputs bubble point pressure and vapor-phase mole fractions. - [Vapor Pressure Calculator](https://top10k.com/tool/vapor-pressure-calculator): Calculates vapor pressure of a substance at a given temperature using the Antoine equation (log10 P = A - B/(C+T)). Includes presets for common substances. - [Wetting Coefficient Calculator](https://top10k.com/tool/wetting-coefficient): Calculates the wetting coefficient (spreading coefficient) from surface tension values to determine if a liquid will spread on a solid surface. - [Xenon Electron Configuration](https://top10k.com/tool/xenon-electron-configuration): Displays the full and shorthand electron configuration of xenon (Xe, atomic number 54) with orbital diagram and key chemical properties. - [Xenon Element Properties](https://top10k.com/tool/xenon-element-properties): Displays comprehensive physical and chemical properties, electron configuration, and periodic table data for Xenon (Xe, atomic number 54). - [Xenon Oxidation States](https://top10k.com/tool/xenon-oxidation-states) - [Multi-Step Synthesis Yield](https://top10k.com/tool/yield-multistep-synthesis) - [Ytterbium Electron Configuration](https://top10k.com/tool/ytterbium-electron-configuration): Reference for ytterbium (Yb, Z=70) electron configuration — [Xe] 4f¹⁴ 6s² (completely filled 4f subshell), with orbital diagram, quantum numbers, and lanthanide series placement. - [Ytterbium Oxidation States Reference](https://top10k.com/tool/ytterbium-oxidation-states) - [Yttrium Electron Configuration](https://top10k.com/tool/yttrium-electron-configuration): Display and explain yttrium's full and abbreviated electron configuration ([Kr] 4d¹ 5s²) with orbital box diagram, quantum numbers for all 39 electrons, and key element properties. - [Yttrium Element Properties](https://top10k.com/tool/yttrium-element-properties): Comprehensive reference card for Yttrium (Y, atomic number 39) — physical, chemical, electronic, and thermodynamic properties in one place. - [Yttrium Oxidation States](https://top10k.com/tool/yttrium-oxidation-states) - [Zeta Potential Helper](https://top10k.com/tool/zeta-potential-helper): Interpret zeta potential values and classify colloidal stability based on the measured mV value. - [Zinc Electron Configuration](https://top10k.com/tool/zinc-electron-configuration): Displays the full and abbreviated electron configuration of Zinc (Zn, Z=30) with orbital diagrams, subshell breakdown, and element facts for chemistry students and reference. - [Zinc Element Properties](https://top10k.com/tool/zinc-element-properties): Interactive reference card for Zinc (Zn, atomic number 30) displaying all key physical, chemical, and electronic properties with a searchable fact panel. - [Zinc Oxidation States](https://top10k.com/tool/zinc-oxidation-states) - [Zirconium Electron Configuration](https://top10k.com/tool/zirconium-electron-configuration): Display zirconium's electron configuration in full and noble-gas abbreviated notation with orbital diagrams, quantum numbers, and element facts. - [Zirconium Element Properties](https://top10k.com/tool/zirconium-element-properties): Display atomic and physical properties of Zirconium (element 40) from the periodic table. - [Zirconium Oxidation States](https://top10k.com/tool/zirconium-oxidation-states) ## Astrology Tools (24) - [Aquarius Zodiac Sign Info](https://top10k.com/tool/aquarius-zodiac-info): Reference page for Aquarius (Jan 20 – Feb 18) covering personality traits, element, ruling planet, compatibility, strengths, weaknesses, and a birth-date checker. - [Aries Zodiac Sign Info](https://top10k.com/tool/aries-zodiac-info): Interactive reference page for the Aries zodiac sign covering dates, personality traits, element, ruling planet, compatibility, and lucky numbers. - [Cancer Zodiac Sign Info](https://top10k.com/tool/cancer-zodiac-info): Displays detailed information about the Cancer zodiac sign including dates, traits, compatibility, and symbol. - [Capricorn Zodiac Sign Info](https://top10k.com/tool/capricorn-zodiac-info): Static reference page for the Capricorn zodiac sign (Dec 22 – Jan 19) — dates, symbol, element, ruling planet, traits, compatibility, and key facts. - [Year of the Dog Info](https://top10k.com/tool/chinese-zodiac-dog): Displays personality traits, compatibility, lucky numbers/colors, and a list of Dog years for people born in the Year of the Dog. - [Year of the Dragon Info](https://top10k.com/tool/chinese-zodiac-dragon): Displays personality traits, compatibility, lucky numbers/colors, and a list of Dragon years for people born in the Year of the Dragon. - [Year of the Goat Info](https://top10k.com/tool/chinese-zodiac-goat): Reference page for the Chinese Zodiac Goat sign — birth years, personality traits, compatible signs, lucky elements, and a birth-year checker. - [Year of the Horse — Chinese Zodiac](https://top10k.com/tool/chinese-zodiac-horse): Informational page about the Chinese Zodiac Horse sign: birth years, personality traits, compatibility, lucky numbers/colors, and a birth-year checker. - [Year of the Monkey Info](https://top10k.com/tool/chinese-zodiac-monkey): Reference page for the Chinese Zodiac Monkey sign — personality traits, lucky numbers, compatible signs, and the list of Monkey years. - [Year of the Ox Info](https://top10k.com/tool/chinese-zodiac-ox): Reference page for the Chinese Zodiac Ox sign — personality traits, lucky numbers/colors/flowers, compatibility chart, notable Ox years (1925–2033), and a birth-year checker. - [Year of the Pig — Chinese Zodiac](https://top10k.com/tool/chinese-zodiac-pig): Informational reference page for the Pig sign in the Chinese zodiac: personality traits, lucky numbers/colors, compatibility with all 12 signs, Pig birth years, and a birth-year checker. - [Year of the Rabbit Info](https://top10k.com/tool/chinese-zodiac-rabbit): Reference page for the Chinese Zodiac Rabbit sign — personality traits, lucky numbers, compatible signs, and the list of Rabbit years. - [Year of the Rat Info](https://top10k.com/tool/chinese-zodiac-rat): Reference page for the Chinese Zodiac Rat sign — personality traits, lucky numbers/colors/flowers, compatibility chart, notable Rat years (1924–2032), and a birth-year checker. - [Year of the Rooster Info](https://top10k.com/tool/chinese-zodiac-rooster): Displays personality traits, compatibility, lucky numbers/colors, and a list of Rooster years for people born in the Year of the Rooster. - [Year of the Snake Info](https://top10k.com/tool/chinese-zodiac-snake): Comprehensive Chinese Zodiac Snake sign guide with personality traits, compatibility, lucky numbers/colors, Snake years list, and interactive birth year checker. - [Year of the Tiger — Chinese Zodiac Info](https://top10k.com/tool/chinese-zodiac-tiger): Reference page for the Chinese Zodiac Tiger sign — personality traits, lucky numbers/colors/flowers, compatibility chart, notable Tiger years (1926–2034), and a birth-year checker. - [Gemini Zodiac Sign Info](https://top10k.com/tool/gemini-zodiac-info): Interactive reference page for the Gemini zodiac sign — dates, personality traits, compatibility, ruling planet, element, and symbol. - [Leo Zodiac Sign Info](https://top10k.com/tool/leo-zodiac-info): Reference page for the Leo zodiac sign (July 23 – August 22) covering personality traits, compatibility, element, ruling planet, strengths, and weaknesses. - [Libra Zodiac Sign Info](https://top10k.com/tool/libra-zodiac-info): Comprehensive reference page for the Libra zodiac sign (Sep 23 – Oct 22) with traits, compatibility, element, ruling planet, and a birth-date checker to confirm if someone is a Libra. - [Pisces Zodiac Sign Info](https://top10k.com/tool/pisces-zodiac-info): Reference page for Pisces (Feb 19 – Mar 20) covering personality traits, element, ruling planet, compatibility, strengths, weaknesses, and a birth-date checker. - [Sagittarius Zodiac Sign Info](https://top10k.com/tool/sagittarius-zodiac-info): Interactive reference page for the Sagittarius zodiac sign covering dates, personality traits, element, ruling planet, compatibility, lucky numbers, and symbolic information. - [Scorpio Zodiac Sign Info](https://top10k.com/tool/scorpio-zodiac-info): Comprehensive reference page for the Scorpio zodiac sign (October 23 – November 21) covering personality traits, strengths, weaknesses, compatibility, element, ruling planet, symbol, and famous Sco… - [Taurus Zodiac Sign Info](https://top10k.com/tool/taurus-zodiac-info): Displays comprehensive information about the Taurus zodiac sign including dates, traits, compatibility, element, ruling planet, and birth date checker. - [Virgo Zodiac Sign Info](https://top10k.com/tool/virgo-zodiac-info): Comprehensive reference page for the Virgo zodiac sign (Aug 23 – Sep 22) with traits, compatibility, element, ruling planet, and a birth-date checker to confirm if someone is a Virgo. ## Gardening Tools (34) - [Companion Planting Guide](https://top10k.com/tool/companion-planting-guide): A searchable lookup tool that shows which plants grow well together (companions) and which to keep apart (antagonists), with planting tips for common vegetables, herbs, and flowers. - [Garden Compost Calculator](https://top10k.com/tool/compost-calculator-garden): Calculates how much compost to add to a garden bed based on bed dimensions and desired compost layer depth, with a coverage table for common bag sizes. - [Fertilizer Spread Calculator](https://top10k.com/tool/fertilizer-spread-calculator): Calculate total fertilizer needed and application rate for a garden or lawn area given area size, desired nutrient rate (lbs N per 1000 sq ft or kg/hectare), and fertilizer NPK analysis percentage. - [Frost Date Lookup](https://top10k.com/tool/frost-date-lookup): Look up average last spring frost and first fall frost dates for US cities to plan planting schedules. Covers 192 cities with USDA-based historical averages. - [Fruit Tree Spacing Calculator](https://top10k.com/tool/fruit-tree-spacing): Calculate recommended spacing between fruit trees and rows based on tree type, rootstock size, and training system for home orchards and small farms. - [Garden Bed Area Calculator](https://top10k.com/tool/garden-bed-area-calculator): Calculates the area of a garden bed (rectangular, circular, or triangular) and estimates how much soil, mulch, or compost is needed based on desired depth. - [Garlic Planting Calculator](https://top10k.com/tool/garlic-planting-calculator): Calculates how many garlic cloves to plant, spacing, rows, and seed bulb requirements for a given garden plot. - [Germination Rate Calculator](https://top10k.com/tool/germination-rate-calculator): Calculates seed germination rate (%) from seeds planted vs seeds sprouted, estimates expected seedling yield from a packet, and shows a quick-reference table of typical germination rates for common… - [Germination Temperature Guide](https://top10k.com/tool/germination-temperature-guide): Reference tool showing optimal soil temperature ranges for germinating common vegetables, herbs, and flowers — users enter a plant name or select from a list to see ideal min/max/optimal temps in b… - [Grass Watering Schedule](https://top10k.com/tool/grass-watering-schedule): Generates a weekly lawn watering schedule based on grass type, climate zone, season, and lawn size, recommending optimal watering frequency and duration. - [Greenhouse Size Calculator](https://top10k.com/tool/greenhouse-size-calculator): Calculates the recommended greenhouse floor area and dimensions based on the number of plants, bench or row spacing, and walkway width. - [Hardiness Zone Finder](https://top10k.com/tool/hardiness-zone-finder): Enter your average minimum winter temperature in Fahrenheit or Celsius and instantly see your USDA Plant Hardiness Zone (1a–13b) with planting guidance. - [Harvest Yield Estimator](https://top10k.com/tool/harvest-yield-estimator): Estimates total crop harvest weight from plot size, plant spacing, and expected yield per plant for common vegetables and herbs. - [Houseplant Light Helper](https://top10k.com/tool/houseplant-light-helper): Find houseplants that thrive in your light conditions, or look up the light requirements for any plant from a curated list of 50+ popular houseplants. - [Lawn Fertilizer Schedule](https://top10k.com/tool/lawn-fertilizer-schedule): Generates a seasonal lawn fertilizer application schedule based on grass type (cool-season vs. warm-season), lawn area, and geographic region, including NPK ratios, application rates, and timing. - [Mulch Coverage Calculator](https://top10k.com/tool/mulch-coverage-calculator): Calculates how many cubic yards or cubic feet of mulch are needed to cover a garden bed to a specified depth, given the area dimensions in feet or meters. - [Plant Watering Calculator](https://top10k.com/tool/plant-watering-calculator): Calculates optimal watering frequency (days between waterings) and volume per watering session based on plant type, pot size/material, climate zone, and season. Pure client-side logic using standar… - [Planting Calendar](https://top10k.com/tool/planting-calendar): Generates a personalized vegetable planting calendar based on spring and fall frost dates, showing when to start seeds indoors, transplant, and direct sow for common vegetables. - [Pond Volume Calculator](https://top10k.com/tool/pond-volume-calculator): Calculate the volume of a garden pond by shape (rectangular, circular, oval, irregular) in gallons and liters, useful for dosing treatments and estimating fish capacity. - [Pool Chlorine Calculator](https://top10k.com/tool/pool-chlorine-calculator): Calculates how much chlorine (granular or liquid) to add to a swimming pool based on pool volume, current chlorine level, and target chlorine level. - [Pool Salt Calculator](https://top10k.com/tool/pool-salt-calculator): Calculates how many pounds (or kg) of salt to add to a saltwater swimming pool to reach the ideal salinity level (2700–3400 ppm). - [Pool Volume Calculator](https://top10k.com/tool/pool-volume-calculator): Calculate the volume of a swimming pool in gallons and liters given its shape and dimensions. - [Potato Yield Estimator](https://top10k.com/tool/potato-yield-estimator): Estimates potato harvest yield based on plot size, plant spacing, seed quantity, and expected yield per plant. - [Propagation Success Rate Calculator](https://top10k.com/tool/propagation-success-rate): Calculates the success rate of plant propagation by entering number of cuttings or seeds attempted versus number that rooted or germinated, with tips for common propagation methods. - [Rainwater Barrel Calculator](https://top10k.com/tool/rainwater-barrel-calculator): Calculate how much rainwater you can collect from your roof based on roof area, rainfall amount, and barrel capacity; shows fill time and overflow estimates. - [Raised Bed Plant Count Calculator](https://top10k.com/tool/raised-bed-plant-count): Calculates how many plants fit in a raised garden bed using Square Foot Gardening spacing rules for popular vegetables and herbs. - [Rose Fertilizer Calculator](https://top10k.com/tool/rose-fertilizer-calc): Calculates fertilizer quantities and a seasonal feeding schedule for rose bushes based on bed area, number of plants, and selected fertilizer NPK ratio. - [Row Spacing Calculator](https://top10k.com/tool/row-spacing-calculator): Calculates how many plant rows fit in a garden bed given bed length and desired row spacing, with a planting layout summary. - [Seed Spacing Calculator](https://top10k.com/tool/seed-spacing-calculator): Calculates how many seeds or plants fit in a garden bed given row spacing and in-row spacing, with results for rectangular and square-foot planting grids. - [Seed Starting Date Calculator](https://top10k.com/tool/seed-starting-date): Calculates the ideal indoor seed starting date and transplant date for vegetables and herbs based on your last frost date and each crop's recommended weeks-before-frost lead time. - [Succulent Watering Guide](https://top10k.com/tool/succulent-watering-guide) - [Transplant Date Calculator](https://top10k.com/tool/transplant-date-calculator): Calculates the optimal seedling transplant date (and seed-starting date) based on the last expected frost date and days-to-transplant for common vegetables and flowers. - [Tree Spacing Calculator](https://top10k.com/tool/tree-spacing-calculator): Calculates how many trees fit in a given area based on planting spacing, and shows the recommended spacing for common tree types. - [Vegetable Harvest Calendar](https://top10k.com/tool/vegetable-harvest-calendar): Shows planting and harvest windows for common vegetables based on your last frost date. Enter your spring frost date and get a month-by-month guide showing when each crop goes in the ground and whe… ## Real Estate Tools (24) - [Acreage Calculator](https://top10k.com/tool/acreage-calculator): Calculates the area of a rectangular or irregular plot in acres, square feet, and square meters given dimensions. - [Airbnb Revenue Estimator](https://top10k.com/tool/airbnb-revenue-estimator): Estimates potential Airbnb rental revenue based on nightly rate, occupancy rate, and number of nights per year, with a breakdown of gross income, Airbnb fees, and net revenue. - [BRRRR Calculator](https://top10k.com/tool/brrrr-calculator): Calculates the BRRRR (Buy, Rehab, Rent, Refinance, Repeat) real estate investment strategy — shows after-repair value, cash-out refinance amount, money left in deal, cash-on-cash return, and monthl… - [Cap Rate Calculator](https://top10k.com/tool/cap-rate-calculator): Calculates the capitalization rate (cap rate) of a real estate investment property from net operating income and property value, and optionally solves for property value or NOI. - [Cash on Cash Return Calculator](https://top10k.com/tool/cash-on-cash-return-calculator): Calculates cash-on-cash return (CoC) for real estate investments: annual pre-tax cash flow divided by total cash invested, expressed as a percentage. - [Closing Cost Calculator](https://top10k.com/tool/closing-cost-calculator): Estimates buyer and seller closing costs for a home purchase including loan origination fees, title insurance, escrow, and transfer taxes. - [Real Estate Commission Split Calculator](https://top10k.com/tool/commission-split-calculator): Calculates how a real estate commission is split between listing agent, buyer's agent, and their respective brokerages given a sale price and commission rate. - [Down Payment Calculator](https://top10k.com/tool/down-payment-calculator): Calculates required down payment amount, mortgage loan size, and PMI threshold for a home purchase based on home price and down payment percentage. - [Flip Profit Calculator](https://top10k.com/tool/flip-profit-calculator): Calculate house flipping profit or loss including purchase price, renovation costs, holding costs, selling costs (agent fees and closing costs), and net profit with ROI percentage. - [HELOC Calculator](https://top10k.com/tool/heloc-calculator): Calculates available Home Equity Line of Credit (HELOC) credit limit, monthly interest-only payment during draw period, and fully-amortized payment during repayment period, given home value, mortga… - [Home Appreciation Calculator](https://top10k.com/tool/home-appreciation-calculator): Calculates projected home value over time based on purchase price, annual appreciation rate, and number of years, showing year-by-year growth table. - [Home Loan EMI Calculator](https://top10k.com/tool/home-loan-emi-calculator): Calculates monthly EMI (Equated Monthly Installment), total interest, and total payment for a home loan given principal, annual interest rate, and tenure. - [Loan-to-Value Calculator](https://top10k.com/tool/loan-to-value-calculator): Calculate the loan-to-value (LTV) ratio for a mortgage or real estate loan. Enter the loan amount and property value to get your LTV percentage, PMI status, and lender tier. - [Lot Coverage Calculator](https://top10k.com/tool/lot-coverage-calculator): Calculates the lot coverage ratio — the percentage of a lot's total area covered by structures — and checks zoning compliance against a user-defined maximum coverage limit. - [PMI Calculator](https://top10k.com/tool/pmi-calculator): Calculate Private Mortgage Insurance (PMI) cost based on home price, down payment, loan amount, and PMI rate. Shows monthly and annual PMI payment plus when PMI can be removed. - [Price Per Square Foot Calculator](https://top10k.com/tool/price-per-square-foot-calculator): Calculates price per square foot for a property given total price and square footage, and can also compute total price or area from the other two values. - [Property Management Fee Calculator](https://top10k.com/tool/property-management-fee-calculator): Calculates total property management costs from monthly rent, management fee %, leasing fee, and maintenance reserve; shows annual breakdown. - [Property Tax Calculator](https://top10k.com/tool/property-tax-calculator): Estimates annual property tax from assessed value and local mill rate, with optional exemption inputs. - [Refinance Savings Calculator](https://top10k.com/tool/refinance-savings-calculator): Calculate your monthly payment savings, total interest savings, and break-even point when refinancing a mortgage. Enter your current loan details, new rate and term, plus closing costs to see if re… - [Rent Increase Calculator](https://top10k.com/tool/rent-increase-calculator): Calculate the new rent after a percentage or flat-dollar increase. Instantly see the monthly and annual dollar difference so landlords and tenants can plan ahead. - [Rent vs Buy Real Estate Calculator](https://top10k.com/tool/rent-vs-buy-real-estate): Compares the total 5-year cost of renting versus buying a home. Enter home price, down payment, mortgage rate, monthly rent, and annual appreciation to see monthly payment, total costs, and break-e… - [Rental Yield Calculator](https://top10k.com/tool/rental-yield-calculator): Calculates gross and net rental yield percentages for an investment property given property value, annual rent, and optional expenses. - [Security Deposit Calculator](https://top10k.com/tool/security-deposit-calculator): Calculate a rental security deposit based on monthly rent and a multiplier, plus estimate how much you could get back after deductions. - [Square Footage Calculator](https://top10k.com/tool/square-footage-calculator): Calculate the square footage of rectangular, circular, or triangular spaces from user-entered dimensions, with results in sq ft, sq m, and sq yd. ## Beauty Tools (15) - [Body Measurement Tracker](https://top10k.com/tool/body-measurement-tracker): Records and tracks body measurements (chest, waist, hips, arms, legs) over time, showing progress toward goals. - [Bra Size Calculator](https://top10k.com/tool/bra-size-calculator): Calculates US bra size from underbust and overbust measurements in inches or centimeters, with sister size chart. - [Calorie Calculator for Weight Goal](https://top10k.com/tool/calorie-for-weight-goal): Calculate the daily calorie intake needed to reach a target weight by a chosen date using BMR and TDEE, then show the required caloric deficit or surplus. - [Clothing Size Converter](https://top10k.com/tool/clothing-size-converter): Converts clothing sizes across US, UK, EU, and Asian sizing systems for men, women, and children. - [Daily Water for Skin Calculator](https://top10k.com/tool/daily-water-for-skin): Calculates recommended daily water intake for skin hydration based on body weight, activity level, climate, skin type, age, and lifestyle habits like caffeine and alcohol. - [Hair Developer Volume Calculator](https://top10k.com/tool/developer-volume-calculator) - [Face Shape Finder](https://top10k.com/tool/face-shape-finder) - [Hair Dye Mixing Ratio Calculator](https://top10k.com/tool/hair-dye-mixing-ratio) - [Hair Growth Calculator](https://top10k.com/tool/hair-growth-calculator): Estimates how long it will take to grow hair to a desired length based on current length and average growth rate. - [Hydration for Skin Calculator](https://top10k.com/tool/hydration-for-skin-calculator): Estimates daily water intake needed for optimal skin hydration based on body weight, activity level, and climate. - [Nail Length Reference Guide](https://top10k.com/tool/nail-length-reference): Visual reference table for nail lengths (extra short through extra long) in millimeters, with care tips and style recommendations for each length category. - [Perfume Concentration Guide](https://top10k.com/tool/perfume-concentration-guide): Compares fragrance concentration levels (parfum, EDP, EDT, EDC, splash) by percentage, longevity, and projection, with a concentration estimator from ingredient inputs. - [Skincare Routine Order Guide](https://top10k.com/tool/skincare-routine-order) - [SPF Reapplication Timer](https://top10k.com/tool/spf-reapplication-timer): Calculates when to reapply sunscreen based on SPF level, skin type, UV index, and time of first application. - [Waist Trainer Size Calculator](https://top10k.com/tool/waist-trainer-size): Recommends the correct waist trainer size based on waist measurement in inches or cm, with a size chart for popular brands. ## Construction Tools (68) - [Beam Deflection Calculator](https://top10k.com/tool/beam-deflection-calculator) - [Beam Load Calculator](https://top10k.com/tool/beam-load-calculator) - [Bearing Load Calculator](https://top10k.com/tool/bearing-load-calculator) - [Belt Length Calculator](https://top10k.com/tool/belt-length-calculator): Calculates the required belt length for a two-pulley drive system given pulley diameters and center distance. - [Birdsmouth Cut Calculator](https://top10k.com/tool/birdsmouth-cut-calculator) - [Block Calculator](https://top10k.com/tool/block-calculator) - [Board Feet Calculator](https://top10k.com/tool/board-feet-calculator) - [Bolt Torque Calculator](https://top10k.com/tool/bolt-torque-calculator): Calculates required tightening torque for bolts using the formula T = K × D × F, where K is torque coefficient, D is bolt diameter, and F is clamp force. - [Brick Calculator](https://top10k.com/tool/brick-calculator) - [BTU Calculator](https://top10k.com/tool/btu-calculator) - [Carpet Calculator](https://top10k.com/tool/carpet-calculator): Calculates carpet area needed for a room in square feet or square meters, with waste allowance and optional cost estimate. - [CFM Calculator](https://top10k.com/tool/cfm-calculator): Calculates cubic feet per minute (CFM) of airflow needed to ventilate a room based on square footage, ceiling height, and air changes per hour. - [Column Buckling Calculator](https://top10k.com/tool/column-buckling-calculator) - [Column Load Capacity Calculator](https://top10k.com/tool/column-load-capacity) - [Concrete Column Calculator](https://top10k.com/tool/concrete-column-calculator) - [Concrete Footing Calculator](https://top10k.com/tool/concrete-footing-calculator) - [Deck Board Calculator](https://top10k.com/tool/deck-board-calculator): Calculates the number of deck boards needed for a given deck area, accounting for board spacing and waste. - [Drywall Calculator](https://top10k.com/tool/drywall-calculator) - [Duct Size Calculator](https://top10k.com/tool/duct-size-calculator): Calculates the recommended round or rectangular HVAC duct diameter or dimensions for a given airflow (CFM) and target velocity. - [Egress Width Calculator](https://top10k.com/tool/egress-width-calculator): Screens IBC egress capacity width for stairways and other egress components, with an existing-width capacity check. - [Factor of Safety Calculator](https://top10k.com/tool/factor-of-safety-calculator): Calculates the factor of safety (FOS) for structural elements by dividing ultimate strength by allowable/applied load. - [Fence Calculator](https://top10k.com/tool/fence-calculator): Calculates the number of fence posts, rails, and pickets needed for a fence given total length, post spacing, and picket width. - [Fire Flow Calculator](https://top10k.com/tool/fire-flow-calculator) - [Flooring Calculator](https://top10k.com/tool/flooring-calculator): Calculates the number of flooring tiles or planks needed for a room, including waste factor for cuts and installation patterns. - [Flooring Cost Calculator](https://top10k.com/tool/flooring-cost-calculator): Estimate total flooring material and labor cost for any room, including waste factor and installation price per sq ft. - [French Drain Calculator](https://top10k.com/tool/french-drain-calculator) - [Gambrel Roof Calculator](https://top10k.com/tool/gambrel-roof-calculator) - [Gear Ratio Calculator](https://top10k.com/tool/gear-ratio-calculator) - [Gravel Calculator](https://top10k.com/tool/gravel-calculator) - [Hose Stream Calculator](https://top10k.com/tool/hose-stream-calc): Calculates fire hose stream flow rate, nozzle pressure, and reach using NFPA-based formulas for fire protection planning. - [HVAC Load Calculator](https://top10k.com/tool/hvac-load-calculator) - [Hydraulic Cylinder Calculator](https://top10k.com/tool/hydraulic-cylinder-calculator): Calculates hydraulic cylinder extension and retraction force, stroke volume, and required flow rate given bore diameter, rod diameter, operating pressure, and stroke length. - [Insulation Calculator](https://top10k.com/tool/insulation-calculator) - [Kerf Allowance Calculator](https://top10k.com/tool/kerf-allowance-calculator) - [Laminate Flooring Calculator](https://top10k.com/tool/laminate-flooring-calculator): Calculate how many laminate flooring planks and boxes you need for a room, including a configurable waste factor for cuts and installation. - [Limestone Calculator](https://top10k.com/tool/limestone-calculator) - [Lumber Cost Calculator](https://top10k.com/tool/lumber-cost-calculator): Calculates total lumber cost from board dimensions, quantity, and price per board foot or linear foot for woodworking and construction projects. - [Miter Angle Calculator](https://top10k.com/tool/miter-angle-calculator) - [Mortar Calculator](https://top10k.com/tool/mortar-calculator) - [Mulch Calculator](https://top10k.com/tool/mulch-calculator) - [Paint Calculator](https://top10k.com/tool/paint-calculator) - [Paint Coverage Calculator](https://top10k.com/tool/paint-coverage-calculator): Calculate how many gallons or liters of paint are needed to cover a wall or room, with waste factor. - [Pipe Flow Rate Calculator](https://top10k.com/tool/pipe-flow-rate-calculator): Calculates volumetric flow rate in a pipe given pipe inner diameter and fluid velocity using Q = A x v. - [Pipe Volume Calculator](https://top10k.com/tool/pipe-volume-calculator) - [Plaster Calculator](https://top10k.com/tool/plaster-calculator) - [Rafter Length Calculator](https://top10k.com/tool/rafter-length-calculator) - [Rebar Calculator](https://top10k.com/tool/rebar-calculator) - [Retaining Wall Calculator](https://top10k.com/tool/retaining-wall-calculator) - [River Rock Calculator](https://top10k.com/tool/river-rock-calculator) - [Roof Area Calculator](https://top10k.com/tool/roof-area-calculator): Calculates the actual roof surface area from footprint dimensions and roof pitch for material estimation in construction. - [Roof Pitch Calculator](https://top10k.com/tool/roof-pitch-calculator) - [Roof Truss Calculator](https://top10k.com/tool/roof-truss-calculator) - [Room Size Calculator](https://top10k.com/tool/room-size-calculator): Calculates room area and volume from length, width, and optional height. Supports both metric and imperial units. Instantly shows square footage, square meters, and cubic measurements for flooring,… - [Sand Calculator](https://top10k.com/tool/sand-calculator) - [Shelf Sag Calculator](https://top10k.com/tool/shelf-sag-calculator) - [Shingle Calculator](https://top10k.com/tool/shingle-calculator): Estimates the number of roofing shingle bundles and squares needed for a roof given area and pitch. - [Snow Load Calculator](https://top10k.com/tool/snow-load-calculator) - [Spring Rate Calculator](https://top10k.com/tool/spring-rate-calculator): Calculates spring rate (stiffness) for compression, extension, and torsion springs from wire diameter, coil diameter, number of active coils, and shear modulus. - [Stair Calculator](https://top10k.com/tool/stair-calculator) - [Thread Pitch Calculator](https://top10k.com/tool/thread-pitch-calculator): Calculates thread pitch (distance between threads) from threads-per-inch (TPI) or metric diameter and pitch inputs; shows lead and helix angle. - [Tile Calculator](https://top10k.com/tool/tile-calculator): Calculates the number of tiles needed to cover a floor or wall given the room dimensions and tile size, including a configurable waste percentage. - [Tile Grout Calculator](https://top10k.com/tool/tile-grout-calculator): Calculate the amount of grout needed for a tile installation project based on tile size, joint width, joint depth, and total area. - [Topsoil Calculator](https://top10k.com/tool/topsoil-calculator) - [Wall Area Calculator](https://top10k.com/tool/wall-area-calculator): Calculates the paintable or tileable wall area for a room by subtracting doors and windows from total wall surface area, with support for multiple walls and openings. - [Wallpaper Calculator](https://top10k.com/tool/wallpaper-calculator) - [Water Viscosity Calculator](https://top10k.com/tool/water-viscosity-calculator): Calculates the dynamic and kinematic viscosity of water at a given temperature using standard empirical formulas. - [Wood Movement Calculator](https://top10k.com/tool/wood-movement-calculator) - [Wood Shrinkage Calculator](https://top10k.com/tool/wood-shrinkage-calculator) ## Pet Tools (16) - [Aquarium Volume Calculator](https://top10k.com/tool/aquarium-volume-calculator): Calculates the water volume of a rectangular, cylindrical, or bowfront aquarium in gallons and liters from its dimensions, helping fishkeepers determine the correct tank size and stocking levels. - [Cat Age Calculator](https://top10k.com/tool/cat-age-calculator): Converts a cat's chronological age to equivalent human years using the standard developmental-stage formula. - [Cat Food Portion Calculator](https://top10k.com/tool/cat-food-portion-calculator): Calculates daily dry and wet food portions for cats based on weight, age, activity level, and food calorie density. - [Chicken Coop Size Calculator](https://top10k.com/tool/chicken-coop-size-calculator): Calculates the minimum coop and run area needed based on number of chickens and breed size, with indoor/outdoor space breakdown per bird. - [Dog Age Calculator](https://top10k.com/tool/dog-age-calculator): Converts a dog's chronological age to equivalent human years using breed-size-adjusted formulas. - [Dog Crate Size Finder](https://top10k.com/tool/dog-crate-size-finder): Recommends the right dog crate size (S/M/L/XL/XXL) based on your dog's weight and breed, with dimensions in inches and cm. - [Dog Food Portion Calculator](https://top10k.com/tool/dog-food-portion-calculator): Calculates recommended daily dog food portions based on weight, age, activity level, and food type (dry kibble, wet food, raw), with per-meal feeding frequency breakdown. - [Dog Pregnancy Calculator](https://top10k.com/tool/dog-pregnancy-calculator): Calculates a dog's expected whelping (birth) date and key pregnancy milestones based on the date of mating, using the standard 63-day canine gestation period. - [Dog Years Calculator (Detailed)](https://top10k.com/tool/dog-years-detailed): Converts a dog's age to human-equivalent years using the AHA/NHAS logarithmic formula (16 × ln(dog_age) + 31) with a comparison table and life-stage label. - [Fish Tank Stocking Calculator](https://top10k.com/tool/fish-tank-stocking-calculator): Estimate safe fish stocking levels for aquariums using the one-inch-per-gallon rule and surface area method, with tank volume input and fish list management. - [Horse Weight Calculator](https://top10k.com/tool/horse-weight-calculator): Estimates a horse's body weight from heart girth and body length measurements using the standard equine weight tape formula. - [Litter Size Tracker](https://top10k.com/tool/litter-size-tracker): Tracks and records litter sizes for dogs or cats to help breeders monitor reproductive history and statistics across multiple litters. - [Pet Age in Human Years](https://top10k.com/tool/pet-age-in-human-years): Converts a dog or cat's age into the equivalent human age using breed-size-adjusted formulas for dogs and the AAFP developmental formula for cats. - [Pet Calorie Calculator](https://top10k.com/tool/pet-calorie-calculator): Calculates daily calorie needs for dogs and cats based on weight, age, activity level, and reproductive status using the Resting Energy Requirement (RER) formula. - [Pet Medication Dose Calculator](https://top10k.com/tool/pet-medication-dose-calculator): Calculates medication doses for dogs and cats based on body weight and dosing rate (mg/kg), with common drug reference doses for quick lookup. - [Puppy Weight Predictor](https://top10k.com/tool/puppy-weight-predictor): Predicts a puppy's adult weight based on current age and current weight using breed-size growth curves. ## Crypto Tools (25) - [Airdrop Value Calculator](https://top10k.com/tool/airdrop-value-calculator): Calculate the total USD value of a cryptocurrency airdrop given the number of tokens received and the current token price per unit. - [APY to APR Converter](https://top10k.com/tool/apy-to-apr-converter): Convert Annual Percentage Yield (APY) to Annual Percentage Rate (APR) for any compounding frequency. Essential for comparing DeFi staking, yield farming, and savings products. - [BTC to Satoshi Converter](https://top10k.com/tool/btc-to-satoshi-converter): Converts Bitcoin (BTC) amounts to Satoshis (1 BTC = 100,000,000 satoshis) and back, with support for common sub-denominations (mBTC, bits) and an optional USD equivalent. - [Crypto DCA Calculator](https://top10k.com/tool/crypto-dca-calculator): Calculate dollar-cost averaging results for cryptocurrency purchases — total invested, average cost basis, current portfolio value, and profit/loss from your purchase history. - [Crypto Fear & Greed Index Explainer](https://top10k.com/tool/crypto-fear-greed-explainer): Interactive reference explaining the Crypto Fear and Greed Index scale (0–100), what each zone means, and how traders use it. - [Crypto Portfolio Allocator](https://top10k.com/tool/crypto-portfolio-allocator): Calculates how to allocate a total investment budget across multiple cryptocurrencies by percentage, showing dollar amounts per coin and portfolio breakdown. - [Crypto Position Size Calculator](https://top10k.com/tool/crypto-position-size-calculator): Calculates the optimal position size for a cryptocurrency trade based on account balance, risk percentage per trade, entry price, and stop-loss price using the fixed-percentage risk model. - [Crypto Staking Calculator](https://top10k.com/tool/crypto-staking-calculator): Calculates estimated staking rewards and compounded returns from a nominal staking APR over a chosen time period. - [Crypto Tax Estimator](https://top10k.com/tool/crypto-tax-estimator): Estimate US capital gains tax on cryptocurrency trades. Enter purchase price, sale price, quantity, and holding period to calculate estimated tax owed using standard US short-term and long-term cap… - [Ethereum Gas Fee Calculator](https://top10k.com/tool/gas-fee-calculator): Calculate Ethereum gas fees for ETH transfers, ERC-20 token transfers, Uniswap swaps, NFT mints, and custom transactions. Shows fee in Gwei, ETH, and USD with low/standard/fast scenario comparison. - [Gwei to ETH Converter](https://top10k.com/tool/gwei-to-eth-converter): Converts between Gwei and ETH (Ethereum) denominations, including Wei, Gwei, and ETH with full precision arithmetic. - [Bitcoin Halving Countdown](https://top10k.com/tool/halving-countdown) - [Hash Iterations Calculator](https://top10k.com/tool/hash-iterations-calculator): Recommend optimal iteration counts for bcrypt, PBKDF2, and Argon2 password hashing based on target hash time and hardware speed. Shows security trade-offs between speed and protection. - [Hash Rate Converter](https://top10k.com/tool/hash-rate-converter): Converts cryptocurrency mining hash rates between H/s, kH/s, MH/s, GH/s, TH/s, PH/s, and EH/s instantly. - [Impermanent Loss Calculator](https://top10k.com/tool/impermanent-loss-calculator): Calculates impermanent loss percentage and dollar value for liquidity providers in DeFi AMM pools using the constant product formula (x*y=k). Shows value held vs. value in pool and fee breakeven. - [Liquidation Price Calculator](https://top10k.com/tool/liquidation-price-calculator): Calculates the liquidation price for leveraged long or short cryptocurrency positions given entry price, leverage multiplier, and maintenance margin rate. - [Market Cap Calculator](https://top10k.com/tool/market-cap-calculator): Calculates cryptocurrency market capitalization from price and circulating supply. Also solves for implied price given a target market cap and fixed supply. - [Mining Profitability Calculator](https://top10k.com/tool/mining-profitability-calculator): Estimates daily and monthly cryptocurrency mining profit based on hashrate, power consumption, electricity cost, and coin price. - [Modular Exponentiation Calculator](https://top10k.com/tool/modular-exponentiation-crypto): Computes a^b mod m efficiently using the square-and-multiply (binary exponentiation) algorithm. Shows full step-by-step work. Useful for understanding RSA and Diffie-Hellman key exchange. - [Satoshi to BTC Converter](https://top10k.com/tool/satoshi-to-btc-converter): Convert between Satoshi (the smallest Bitcoin unit, 1 BTC = 100,000,000 Satoshi) and BTC, with a reference table showing common Satoshi amounts and their BTC equivalents. Optionally enter a BTC pri… - [Seed Phrase Word Counter](https://top10k.com/tool/seed-phrase-word-counter): Counts the number of words in a BIP-39 seed phrase, validates all standard lengths from 12 to 24 words, and explains entropy levels — all locally in the browser, nothing sent to any server. - [Token Supply Calculator](https://top10k.com/tool/token-supply-calculator): Calculates cryptocurrency token metrics including circulating supply percentage, market cap at a given price, fully diluted valuation (FDV), and token concentration ratios. - [Euler Totient for RSA](https://top10k.com/tool/totient-for-rsa): Computes Euler's totient φ(n) = (p-1)(q-1) for two primes p and q, then walks through RSA key generation: n, φ(n), a valid public exponent e, and the private exponent d via the extended Euclidean a… - [Crypto Wallet Address Validator](https://top10k.com/tool/wallet-address-validator): Validate cryptocurrency wallet addresses for Bitcoin (P2PKH, P2SH, Bech32/SegWit), Ethereum/EVM chains, Litecoin, Dogecoin, and more. Checks format and checksum entirely client-side. - [Wei to ETH Converter](https://top10k.com/tool/wei-to-eth-converter): Converts between Ethereum denomination units: Wei, Kwei, Mwei, Gwei (used for gas prices), Szabo, Finney, and ETH. Enter a value in any denomination and instantly see all equivalents. ## Social Media Tools (27) - [Aspect Ratio for Instagram](https://top10k.com/tool/aspect-ratio-instagram): Shows all Instagram post and story aspect ratios (1:1, 4:5, 16:9, 9:16) with pixel dimensions and lets users calculate output dimensions from any input size. - [TikTok Aspect Ratio Guide](https://top10k.com/tool/aspect-ratio-tiktok): Reference guide for TikTok video and image aspect ratios with a custom dimension calculator for vertical, square, and landscape formats. - [YouTube Aspect Ratio Checker](https://top10k.com/tool/aspect-ratio-youtube): Reference guide for YouTube-recommended aspect ratios and pixel dimensions for videos, Shorts, thumbnails, and channel art. Enter custom dimensions to check if they match a standard ratio. - [Best Time to Post Finder](https://top10k.com/tool/best-time-to-post-finder): Shows research-backed optimal posting times for Instagram, Facebook, Twitter/X, LinkedIn, TikTok, and Pinterest by day of week and audience timezone. - [Bio Link Generator](https://top10k.com/tool/bio-link-generator): Build a formatted "link in bio" text block from a list of URLs and labels. Copy the result and paste it directly into your Instagram, TikTok, or Twitter bio. - [Character Counter for Twitter/X](https://top10k.com/tool/character-counter-twitter): Live character counter for Twitter/X posts that shows remaining characters out of 280, highlights over-limit text in red, and warns about URL shortening (URLs count as 23 chars). - [Content Calendar Maker](https://top10k.com/tool/content-calendar-maker): Generate a monthly social media posting schedule — pick start date, platforms, and posting frequency; outputs a printable weekly grid with suggested content types per day. - [Engagement Rate by Reach Calculator](https://top10k.com/tool/engagement-rate-by-reach): Calculate social media engagement rate using post reach instead of follower count for a more accurate performance metric. - [Follower Growth Calculator](https://top10k.com/tool/follower-growth-calculator): Calculate your social media follower growth rate, net new followers, and project future follower counts based on current growth trends. - [Giveaway Picker](https://top10k.com/tool/giveaway-picker): Randomly select one or more winners from a pasted list of entrant names. Features an animated draw, duplicate removal, and a winner history log. - [Hashtag Generator](https://top10k.com/tool/hashtag-generator-social): Generates relevant hashtag suggestions for social media posts based on a topic or keyword input, with copy-to-clipboard output grouped by popularity tier. - [Influencer Rate Calculator](https://top10k.com/tool/influencer-rate-calculator): Estimates a fair sponsored post rate for influencers based on follower count, engagement rate, and platform. - [Instagram Engagement Rate Calculator](https://top10k.com/tool/instagram-engagement-rate-calculator): Calculates Instagram engagement rate per post and average across multiple posts from likes, comments, and follower count. - [Poll Result Calculator](https://top10k.com/tool/poll-result-calculator): Calculate percentage share and vote counts for up to 6 poll options from raw vote tallies, with a visual bar chart breakdown. - [Posting Frequency Planner](https://top10k.com/tool/posting-frequency-planner): Plan how many posts per week or month to schedule across social platforms based on your goals and available time. - [Profile Picture Resizer](https://top10k.com/tool/profile-picture-resizer): Private, browser-based profile picture resizer with practical social presets, zoom, crop positioning, a circular safe-area guide, and JPG or PNG export. - [Instagram Reels Length Checker](https://top10k.com/tool/reels-length-checker): Check whether a video script or planned duration fits Instagram Reels length limits. Estimates speaking time from word count at 130 wpm. - [Story Dimension Reference](https://top10k.com/tool/story-dimension-reference): Quick reference for Instagram, Facebook, TikTok, and Snapchat Story dimensions, safe zones, and export settings. - [Subscriber Milestone Tracker](https://top10k.com/tool/subscriber-milestone-tracker): Project when your channel will hit subscriber milestones like 1K, 10K, 100K, and 1M. Calculate daily growth rate from 7d, 28d, or 90d history with instant privacy-first forecasts. - [Thumbnail Size Reference](https://top10k.com/tool/thumbnail-size-reference): Searchable cheat sheet of practical export dimensions and aspect ratios for YouTube, Facebook, Twitter/X, Instagram, LinkedIn, and TikTok. - [TikTok Engagement Rate Calculator](https://top10k.com/tool/tiktok-engagement-calculator): Calculates TikTok engagement rate from likes, comments, shares, and follower count with performance benchmarking. - [Username Availability Ideas](https://top10k.com/tool/username-availability-ideas): Generates creative username variations from a base name — with prefixes, suffixes, numbers, and underscores — so users can find an available handle on any platform. - [UTM Link Builder for Social Media](https://top10k.com/tool/utm-link-builder-social): Build UTM-tagged URLs for social media campaigns. Fill in source, medium, campaign, term, and content fields to generate a copyable tracking link for Google Analytics. - [Video Script Timer](https://top10k.com/tool/video-script-timer): Estimates video length from a pasted script based on words-per-minute speaking pace. Useful for TikTok, Reels, and YouTube Shorts planning. - [Watch Time Calculator](https://top10k.com/tool/watch-time-calculator): Calculates total YouTube channel watch time (hours) needed to qualify for monetization given video count and average video length and views. - [YouTube CPM Calculator](https://top10k.com/tool/youtube-cpm-calculator): Calculate YouTube CPM, RPM, and estimated revenue from views. Supports reverse-calculating CPM from earned revenue and projecting monthly or annual earnings. - [YouTube Money Calculator](https://top10k.com/tool/youtube-money-calculator): Estimates YouTube channel earnings from daily views and CPM rate, showing daily, monthly, and yearly revenue ranges. ## Dev Utilities (30) - [Availability Calculator](https://top10k.com/tool/availability-calculator): Convert a target uptime percentage to maximum allowed downtime per day, week, month, and year — and back — for SRE/DevOps SLA planning. - [Bandwidth Cost Calculator](https://top10k.com/tool/bandwidth-cost-calc): Estimates monthly cloud bandwidth and egress costs from data transfer volume and price per GB for major providers: AWS, GCP, Azure, and Cloudflare. - [Base64 Encoder](https://top10k.com/tool/base64-encode): Encode plain text or binary data as a Base64 string for embedding in URLs, data URIs, or API payloads. - [Bundle Size Budget Calculator](https://top10k.com/tool/bundle-size-budget): Calculate your JavaScript bundle size budget per page. Enter total size budget, subtract framework baseline and third-party libs, and see remaining budget for app code with a visual breakdown and C… - [Cache TTL Helper](https://top10k.com/tool/cache-ttl-helper) - [CDN Cost Estimator](https://top10k.com/tool/cdn-cost-estimator): Estimates monthly CDN edge-delivery cost from request volume, average object size, and provider pricing, while showing how cache-hit ratio changes origin traffic. - [Cloud Storage Cost Calculator](https://top10k.com/tool/cloud-storage-cost): Estimates monthly cloud storage costs for AWS S3, Google Cloud Storage, and Azure Blob Storage given storage size, number of requests, and egress data transfer, using published standard pricing tiers. - [Concurrency Calculator](https://top10k.com/tool/concurrency-calculator): Calculates the optimal thread pool size and max concurrency for a service using Little's Law (N = λ × W), given target throughput, average latency, and CPU count. - [Critical CSS Helper](https://top10k.com/tool/critical-css-helper): Estimates the critical CSS byte budget for above-the-fold rendering, calculates savings from inlining vs. render-blocking stylesheets, and shows impact on First Contentful Paint (FCP) and Largest C… - [CSV to Markdown Table](https://top10k.com/tool/csv-to-markdown-table): Converts pasted CSV data into a properly formatted Markdown table with live preview and copy button, entirely client-side. - [CLS Score Interpreter](https://top10k.com/tool/cumulative-layout-shift-helper): Helps developers understand and interpret Cumulative Layout Shift (CLS) scores — a Core Web Vitals metric — by grading their score, explaining what causes CLS, and providing actionable fix recommen… - [Cloud Data Transfer Cost Calculator](https://top10k.com/tool/data-transfer-cost): Estimates monthly cloud data transfer costs across AWS, GCP, and Azure — internet egress, inter-region, cross-AZ, and inbound — helping developers budget all network costs in one place. - [Date To Epoch](https://top10k.com/tool/date-to-epoch): Converts a human-readable date and time string to a Unix epoch timestamp in seconds and milliseconds. - [Egress Cost Calculator](https://top10k.com/tool/egress-cost-calculator): Estimates monthly cloud data egress costs by letting users enter data transfer volume and select a cloud provider (AWS, GCP, Azure) to compute the estimated bill based on published per-GB rates. - [Epoch To Date](https://top10k.com/tool/epoch-to-date): Converts Unix epoch timestamps (seconds or milliseconds) to human-readable date and time strings. - [Fluid Typography Clamp](https://top10k.com/tool/fluid-typography-clamp): Generates a CSS clamp() value for fluid typography that scales font size linearly between a min and max size across a specified viewport range. - [Font Loading Budget](https://top10k.com/tool/font-loading-budget): Calculates the web font loading budget — estimates total font bytes, load time on various connections, and Flash of Unstyled Text (FOUT) risk to help developers stay within performance budgets for … - [JS Formatter](https://top10k.com/tool/js-formatter): Formats and prettifies JavaScript code with configurable indentation, entirely in the browser. Supports ES2020+ syntax. - [JS Minifier](https://top10k.com/tool/js-minifier): Minifies JavaScript code in the browser to reduce file size by removing whitespace, comments, and shortening variable names. - [Lazy Load Savings Calculator](https://top10k.com/tool/lazy-load-savings) - [Query Cost Estimator](https://top10k.com/tool/query-cost-estimator): Estimates the cloud database query cost (BigQuery, Snowflake, Redshift) based on data scanned in GB and the per-TB pricing of the selected platform. - [Queue Depth Calculator](https://top10k.com/tool/queue-depth-calculator) - [Rate Limit Calculator](https://top10k.com/tool/rate-limit-calculator): Calculate API rate limiting parameters — tokens per window, burst capacity, and safe request throughput for token bucket and sliding window algorithms. - [Request Count Budget Calculator](https://top10k.com/tool/request-count-budget): Estimates monthly API or serverless request count from daily active users, average requests per session, and traffic patterns; compares against free-tier limits for AWS Lambda, Cloudflare Workers, … - [Requests Per Second Capacity](https://top10k.com/tool/requests-per-second-capacity): Estimates server request-per-second (RPS) capacity based on CPU cores, average response time, and concurrency model (threaded or async). - [Retry Backoff Calculator](https://top10k.com/tool/retry-backoff-calculator): Calculate exponential backoff delay schedules for API retry strategies. Shows per-attempt delays, jitter ranges, and cumulative wait times for None, Full, and Equal jitter modes. - [S3 Storage Class Cost Estimator](https://top10k.com/tool/s3-storage-class-cost): Compares monthly AWS S3 storage costs across Standard, Intelligent-Tiering, Standard-IA, Glacier Instant Retrieval, and Glacier Deep Archive for a given data volume and access pattern. - [SQL Minifier](https://top10k.com/tool/sql-minifier): Minifies SQL queries in the browser by removing whitespace, newlines, and comments to reduce query string size. - [Text To Slug](https://top10k.com/tool/text-to-slug): Converts any text string into a URL-safe slug (lowercase, hyphens, no special chars) with live preview and one-click copy, entirely client-side. - [Web Page Load Time Estimator](https://top10k.com/tool/web-page-load-estimator) ## Currency Converters (303) - [Cardano to EUR Converter](https://top10k.com/tool/ada-to-eur): Converts an amount in Cardano (ADA) to Euros using a user-supplied exchange rate, with no live API calls required. - [Cardano to GBP Converter](https://top10k.com/tool/ada-to-gbp) - [Cardano to USD Converter](https://top10k.com/tool/ada-to-usd) - [Cardano to VND Converter](https://top10k.com/tool/ada-to-vnd) - [AED to EUR Converter](https://top10k.com/tool/aed-to-eur): Convert UAE Dirham (AED) to Euro (EUR) instantly using a user-editable exchange rate. No sign-up, no tracking — your amounts stay in your browser. - [AED to GBP Converter](https://top10k.com/tool/aed-to-gbp): Convert UAE dirhams (AED) to British pounds (GBP) instantly using a live reference rate. Enter any amount and get the result in real time. - [AED to USD Converter](https://top10k.com/tool/aed-to-usd) - [ARS to EUR Converter](https://top10k.com/tool/ars-to-eur) - [ARS to USD Converter](https://top10k.com/tool/ars-to-usd) - [AUD to EUR Converter](https://top10k.com/tool/aud-to-eur): Convert Australian Dollars to Euros instantly using a reference exchange rate. Includes reverse EUR to AUD conversion and a quick-reference table for common amounts. - [AUD to GBP Converter](https://top10k.com/tool/aud-to-gbp): Converts Australian Dollars (AUD) to British Pounds Sterling (GBP) using a live reference rate, refreshed hourly. - [AUD to USD Converter](https://top10k.com/tool/aud-to-usd) - [BDT to EUR Converter](https://top10k.com/tool/bdt-to-eur): Convert Bangladeshi taka to euros using a live reference rate you can override. See the reverse EUR to BDT rate and a quick conversion table. - [BDT to USD Converter](https://top10k.com/tool/bdt-to-usd): Convert Bangladeshi taka to US dollars instantly using a live-updated reference exchange rate. See the reverse USD to BDT rate and a quick conversion table. - [BGN to EUR Converter](https://top10k.com/tool/bgn-to-eur): Convert Bulgarian Lev (BGN) to Euros (EUR) using the fixed EUR/BGN peg rate, refreshed hourly from a live rate feed. - [BGN to USD Converter](https://top10k.com/tool/bgn-to-usd) - [BHD to EUR Converter](https://top10k.com/tool/bhd-to-eur) - [BHD to USD Converter](https://top10k.com/tool/bhd-to-usd) - [BNB to EUR Converter](https://top10k.com/tool/bnb-to-eur): Converts BNB (Binance Coin) cryptocurrency amounts to Euros using a user-entered exchange rate. - [BNB to GBP Converter](https://top10k.com/tool/bnb-to-gbp): Converts Binance Coin (BNB) to British Pounds Sterling (GBP) using a user-supplied exchange rate; shows conversion result with reverse rate. - [BNB to USD Converter](https://top10k.com/tool/bnb-to-usd) - [BNB to VND Converter](https://top10k.com/tool/bnb-to-vnd) - [BRL to EUR Converter](https://top10k.com/tool/brl-to-eur) - [BRL to GBP Converter](https://top10k.com/tool/brl-to-gbp) - [BRL to USD Converter](https://top10k.com/tool/brl-to-usd) - [Bitcoin to EUR Converter](https://top10k.com/tool/btc-to-eur): Convert Bitcoin (BTC) amounts to Euros and back using a user-supplied exchange rate. No API required — works fully offline in your browser. - [Bitcoin to GBP Converter](https://top10k.com/tool/btc-to-gbp): Convert Bitcoin (BTC) amounts to British Pounds using a user-supplied exchange rate, with reverse GBP-to-BTC calculation. - [Bitcoin to USD Converter](https://top10k.com/tool/btc-to-usd) - [Bitcoin to VND Converter](https://top10k.com/tool/btc-to-vnd) - [CAD to EUR Converter](https://top10k.com/tool/cad-to-eur): Convert Canadian dollars to euros and euros to Canadian dollars using a live indicative exchange rate. Fast, private, no API key needed. - [CAD to GBP Converter](https://top10k.com/tool/cad-to-gbp): Converts Canadian dollars (CAD) to British pounds (GBP) using a user-adjustable exchange rate with a quick-reference table. - [CAD to USD Currency Converter](https://top10k.com/tool/cad-to-usd): Converts Canadian dollars to US dollars using a user-adjustable exchange rate with a quick-reference conversion table. - [CHF to EUR Converter](https://top10k.com/tool/chf-to-eur) - [CHF to GBP Converter](https://top10k.com/tool/chf-to-gbp): Converts Swiss Francs (CHF) to British Pounds (GBP) using a user-editable exchange rate, with instant client-side calculation. - [CHF to USD Converter](https://top10k.com/tool/chf-to-usd) - [CLP to EUR Converter](https://top10k.com/tool/clp-to-eur): Convert Chilean Pesos (CLP) to Euros (EUR) using a live reference rate, refreshed hourly. Includes reverse EUR-to-CLP conversion. - [CLP to USD Converter](https://top10k.com/tool/clp-to-usd): Convert Chilean Pesos (CLP) to US Dollars (USD) using a live reference rate, refreshed hourly. Includes reverse USD-to-CLP conversion. - [CNY to EUR Converter](https://top10k.com/tool/cny-to-eur) - [CNY to GBP Converter](https://top10k.com/tool/cny-to-gbp) - [CNY to USD Converter](https://top10k.com/tool/cny-to-usd) - [COP to EUR Converter](https://top10k.com/tool/cop-to-eur) - [COP to USD Converter](https://top10k.com/tool/cop-to-usd) - [CZK to EUR Converter](https://top10k.com/tool/czk-to-eur): Converts Czech Koruna (CZK) to Euros (EUR) using a live reference rate, refreshed hourly, with clear display and reverse lookup. - [CZK to GBP Converter](https://top10k.com/tool/czk-to-gbp): Converts Czech Koruna (CZK) to British Pounds Sterling (GBP) using a user-editable exchange rate with a quick-reference table. - [CZK to USD Converter](https://top10k.com/tool/czk-to-usd): Converts Czech Koruna (CZK) to US Dollars (USD) using a user-editable exchange rate with a quick-reference table. - [DKK to EUR Converter](https://top10k.com/tool/dkk-to-eur) - [DKK to GBP Converter](https://top10k.com/tool/dkk-to-gbp): Converts Danish Krone (DKK) to British Pounds Sterling (GBP) with a live reference rate, refreshed hourly, and bidirectional input. - [DKK to USD Converter](https://top10k.com/tool/dkk-to-usd) - [Dogecoin to EUR Converter](https://top10k.com/tool/doge-to-eur): Convert Dogecoin (DOGE) to Euros (EUR) using a user-inputtable exchange rate. Includes a reference table for common DOGE amounts and fun DOGE facts. - [Dogecoin to GBP Converter](https://top10k.com/tool/doge-to-gbp): Convert Dogecoin (DOGE) to British Pounds Sterling (GBP) using a manually entered exchange rate. - [Dogecoin to USD Converter](https://top10k.com/tool/doge-to-usd): Convert a Dogecoin (DOGE) amount to US Dollars using a user-supplied exchange rate. No API key needed — just enter the current DOGE price and your amount. - [Dogecoin to VND Converter](https://top10k.com/tool/doge-to-vnd): Convert a Dogecoin (DOGE) amount to Vietnamese Dong (VND) using a user-supplied exchange rate. No API key needed — just enter the current DOGE price and your amount. - [DZD to EUR Converter](https://top10k.com/tool/dzd-to-eur): Convert Algerian Dinar (DZD) to Euro (EUR) using a user-editable reference rate. No sign-up, no tracking — your amounts stay in your browser. - [DZD to USD Converter](https://top10k.com/tool/dzd-to-usd) - [EGP to EUR Converter](https://top10k.com/tool/egp-to-eur) - [EGP to USD Converter](https://top10k.com/tool/egp-to-usd) - [Ethereum to EUR Converter](https://top10k.com/tool/eth-to-eur): Converts an ETH amount to Euros using a user-supplied exchange rate. No API key required — just enter the current ETH/EUR rate and your amount. - [Ethereum to GBP Converter](https://top10k.com/tool/eth-to-gbp): Convert an ETH amount to British Pounds using a user-supplied exchange rate. Supports live rate entry, reverse conversion, and quick preset amounts. - [Ethereum to USD Converter](https://top10k.com/tool/eth-to-usd): Convert an amount of Ethereum (ETH) to US Dollars using a live approximate exchange rate with manual rate override. - [Ethereum to VND Converter](https://top10k.com/tool/eth-to-vnd): Converts Ethereum (ETH) amounts to Vietnamese Dong (VND) using a user-supplied exchange rate. - [EUR to AED Converter](https://top10k.com/tool/eur-to-aed): Converts Euros (EUR) to UAE Dirhams (AED) using an adjustable reference rate with live-rate disclaimer. - [EUR to ARS Converter](https://top10k.com/tool/eur-to-ars) - [EUR to AUD Converter](https://top10k.com/tool/eur-to-aud) - [EUR to BDT Converter](https://top10k.com/tool/eur-to-bdt): Converts Euros to Bangladeshi Taka using a live reference rate you can override in real time. - [EUR to BGN Converter](https://top10k.com/tool/eur-to-bgn) - [EUR to BHD Converter](https://top10k.com/tool/eur-to-bhd): Converts Euros (EUR) to Bahraini Dinars (BHD) using a live reference rate with a clear conversion formula display. - [EUR to BRL Converter](https://top10k.com/tool/eur-to-brl): Converts Euro amounts to Brazilian Real using a user-adjustable exchange rate, with reverse conversion and common amount presets. - [EUR to CAD Converter](https://top10k.com/tool/eur-to-cad) - [EUR to CHF Converter](https://top10k.com/tool/eur-to-chf) - [EUR to CLP Converter](https://top10k.com/tool/eur-to-clp): Converts Euros to Chilean Pesos using a live reference rate you can override. - [EUR to CNY Converter](https://top10k.com/tool/eur-to-cny) - [EUR to COP Converter](https://top10k.com/tool/eur-to-cop): Convert Euros to Colombian Pesos with a user-adjustable exchange rate, reverse conversion, and common amount presets. - [EUR to CZK Converter](https://top10k.com/tool/eur-to-czk): Converts Euros to Czech Koruna using a live reference rate you can override, with reverse lookup. - [EUR to DKK Converter](https://top10k.com/tool/eur-to-dkk): Convert Euro (EUR) to Danish Krone (DKK) instantly using a user-supplied exchange rate. Supports reverse conversion, quick-amount buttons, and copy-to-clipboard. - [EUR to DZD Converter](https://top10k.com/tool/eur-to-dzd) - [EUR to EGP Converter](https://top10k.com/tool/eur-to-egp) - [EUR to GBP Converter](https://top10k.com/tool/eur-to-gbp) - [EUR to GHS Converter](https://top10k.com/tool/eur-to-ghs) - [EUR to HKD Converter](https://top10k.com/tool/eur-to-hkd) - [EUR to HUF Converter](https://top10k.com/tool/eur-to-huf): Converts Euros (EUR) to Hungarian Forint (HUF) using a live reference rate you can override, with reverse lookup. - [EUR to IDR Converter](https://top10k.com/tool/eur-to-idr) - [EUR to ILS Converter](https://top10k.com/tool/eur-to-ils): Converts Euros (EUR) to Israeli New Shekels (ILS) using a live reference rate, refreshed hourly, with a clean input/output converter UI. - [EUR to INR Converter](https://top10k.com/tool/eur-to-inr): Converts euros to Indian rupees using a user-adjustable exchange rate, with reverse conversion and common amount presets. - [EUR to ISK Converter](https://top10k.com/tool/eur-to-isk): Converts Euros to Icelandic Kronas using a live reference rate with reverse conversion. - [EUR to JOD Converter](https://top10k.com/tool/eur-to-jod): Converts Euros (EUR) to Jordanian Dinars (JOD) with a live reference rate and bidirectional input. - [EUR to JPY Converter](https://top10k.com/tool/eur-to-jpy): Convert Euros to Japanese Yen instantly using a live reference exchange rate. Supports custom rate override for accurate conversions. Fully client-side, no data sent to any server. - [EUR to KES Converter](https://top10k.com/tool/eur-to-kes) - [EUR to KRW Converter](https://top10k.com/tool/eur-to-krw): Converts Euros (EUR) to South Korean Won (KRW) using a live reference rate with bidirectional input. Fully client-side, no data sent to any server. - [EUR to KWD Converter](https://top10k.com/tool/eur-to-kwd) - [EUR to LKR Converter](https://top10k.com/tool/eur-to-lkr): Converts Euro (EUR) to Sri Lankan Rupee (LKR) using a user-adjustable exchange rate, with reverse conversion and common amount table. - [EUR to MAD Converter](https://top10k.com/tool/eur-to-mad): Converts Euros (EUR) to Moroccan Dirham (MAD) with a live reference rate and a quick-reference table. - [EUR to MXN Converter](https://top10k.com/tool/eur-to-mxn): Converts Euros (EUR) to Mexican Pesos (MXN) with a user-adjustable exchange rate, reverse conversion, and common amount presets. - [EUR to MYR Converter](https://top10k.com/tool/eur-to-myr): Converts Euros (EUR) to Malaysian Ringgit (MYR) using a live reference rate with a common-amounts quick-reference table. - [EUR to NGN Converter](https://top10k.com/tool/eur-to-ngn) - [EUR to NOK Converter](https://top10k.com/tool/eur-to-nok): Converts Euro (EUR) to Norwegian Krone (NOK) using a live reference rate with a clean swap-direction feature. - [EUR to NZD Converter](https://top10k.com/tool/eur-to-nzd) - [EUR to OMR Converter](https://top10k.com/tool/eur-to-omr): Converts Euros (EUR) to Omani Rials (OMR) using an adjustable reference rate with live-rate disclaimer. - [EUR to PEN Converter](https://top10k.com/tool/eur-to-pen): Converts Euros to Peruvian Soles with a live reference rate, formula display, and quick-pick amounts. - [EUR to PHP Converter](https://top10k.com/tool/eur-to-php): Converts Euro amounts to Philippine Peso using a user-editable exchange rate, with reverse conversion and common amount presets. - [EUR to PKR Converter](https://top10k.com/tool/eur-to-pkr): Converts Euro (EUR) to Pakistani Rupee (PKR) using an adjustable reference rate, with reverse conversion and common amount presets. - [EUR to PLN Converter](https://top10k.com/tool/eur-to-pln): Converts Euros (EUR) to Polish Zloty (PLN) using a live reference rate, refreshed hourly, with a clean input/output form, rate display, and common amount quick-picks. - [EUR to QAR Converter](https://top10k.com/tool/eur-to-qar): Converts Euros (EUR) to Qatari Rials (QAR) using an adjustable reference rate with a quick-reference rate table and reverse conversion. - [EUR to RON Converter](https://top10k.com/tool/eur-to-ron): Converts Euros (EUR) to Romanian Leu (RON) using a fixed reference rate with a clean two-way converter. - [EUR to RUB Converter](https://top10k.com/tool/eur-to-rub) - [EUR to SAR Converter](https://top10k.com/tool/eur-to-sar): Convert Euro (EUR) to Saudi Riyal (SAR) instantly using a user-editable exchange rate. No sign-up, no API key, works entirely in your browser. - [EUR to SEK Converter](https://top10k.com/tool/eur-to-sek): Converts Euro amounts to Swedish Krona using a live reference rate you can override, with a quick-reference conversion table. - [EUR to SGD Converter](https://top10k.com/tool/eur-to-sgd) - [EUR to THB Converter](https://top10k.com/tool/eur-to-thb): Converts Euro (EUR) to Thai Baht (THB) using a user-adjustable exchange rate with a clean input/output form. - [EUR to TRY Converter](https://top10k.com/tool/eur-to-try): Convert Euro (EUR) to Turkish Lira (TRY) using a live, hourly-updated exchange rate. Fast, client-side currency converter with reverse conversion support. - [EUR to TWD Converter](https://top10k.com/tool/eur-to-twd) - [EUR to UAH Converter](https://top10k.com/tool/eur-to-uah): Converts Euros to Ukrainian Hryvnia with a user-editable exchange rate and quick reference amounts. - [EUR to USD Converter](https://top10k.com/tool/eur-to-usd) - [EUR to VND Converter](https://top10k.com/tool/eur-to-vnd): Converts Euro (EUR) to Vietnamese Dong (VND) using a user-adjustable exchange rate with a disclaimer that rates are indicative only. - [EUR to ZAR Converter](https://top10k.com/tool/eur-to-zar): Convert Euro (EUR) to South African Rand (ZAR) using a user-editable exchange rate. Includes a quick-reference conversion table for common amounts. - [GBP to AED Converter](https://top10k.com/tool/gbp-to-aed) - [GBP to AUD Converter](https://top10k.com/tool/gbp-to-aud) - [GBP to BRL Converter](https://top10k.com/tool/gbp-to-brl) - [GBP to CAD Converter](https://top10k.com/tool/gbp-to-cad) - [GBP to CHF Converter](https://top10k.com/tool/gbp-to-chf) - [GBP to CNY Converter](https://top10k.com/tool/gbp-to-cny): Converts British Pounds Sterling (GBP) to Chinese Yuan Renminbi (CNY) using a user-adjustable exchange rate. - [GBP to CZK Converter](https://top10k.com/tool/gbp-to-czk) - [GBP to DKK Converter](https://top10k.com/tool/gbp-to-dkk): Converts British Pounds Sterling (GBP) to Danish Krone (DKK) with a live reference rate and bidirectional input. - [GBP to EUR Converter](https://top10k.com/tool/gbp-to-eur): Converts British Pound amounts to Euros using a live reference rate you can override with a custom rate. - [GBP to HKD Converter](https://top10k.com/tool/gbp-to-hkd): Convert British Pounds (GBP) to Hong Kong Dollars (HKD) instantly with a user-editable exchange rate and common amount shortcuts. - [GBP to HUF Converter](https://top10k.com/tool/gbp-to-huf): Converts British Pounds (GBP) to Hungarian Forints (HUF) using a live-editable exchange rate. - [GBP to IDR Converter](https://top10k.com/tool/gbp-to-idr): Converts British Pounds Sterling (GBP) to Indonesian Rupiah (IDR) using a user-editable exchange rate. Instant, client-side, no sign-up required. - [GBP to ILS Converter](https://top10k.com/tool/gbp-to-ils): Convert British pounds (GBP) to Israeli new shekels (ILS) instantly using a reference exchange rate with a clean client-side calculator. - [GBP to INR Converter](https://top10k.com/tool/gbp-to-inr) - [GBP to JPY Converter](https://top10k.com/tool/gbp-to-jpy): Convert British Pound Sterling (GBP) to Japanese Yen (JPY) and back using a reference rate refreshed hourly. Instant browser-side conversion, no signup required. - [GBP to KRW Converter](https://top10k.com/tool/gbp-to-krw): Converts British Pounds Sterling (GBP) to South Korean Won (KRW) using a live reference rate with a user-editable rate field. - [GBP to MXN Converter](https://top10k.com/tool/gbp-to-mxn): Converts British Pounds Sterling (GBP) to Mexican Pesos (MXN) using a live reference rate with a user-editable rate field. - [GBP to MYR Converter](https://top10k.com/tool/gbp-to-myr) - [GBP to NOK Converter](https://top10k.com/tool/gbp-to-nok): Convert British Pounds (GBP) to Norwegian Krone (NOK) using your custom or bank exchange rate. See the converted amount and a quick reference table. - [GBP to NZD Converter](https://top10k.com/tool/gbp-to-nzd) - [GBP to PHP Converter](https://top10k.com/tool/gbp-to-php): Converts British pounds (GBP) to Philippine pesos (PHP) using a live reference rate with a clear freshness notice. Includes reverse conversion and a quick-reference table. - [GBP to PLN Converter](https://top10k.com/tool/gbp-to-pln): Converts British pounds (GBP) to Polish zloty (PLN) using a user-adjustable exchange rate with quick-amount buttons and a reference table. - [GBP to RUB Converter](https://top10k.com/tool/gbp-to-rub) - [GBP to SAR Converter](https://top10k.com/tool/gbp-to-sar): Converts British pounds (GBP) to Saudi riyals (SAR) using a reference rate refreshed hourly, with live input. - [GBP to SEK Converter](https://top10k.com/tool/gbp-to-sek): Converts British Pounds Sterling (GBP) to Swedish Kronor (SEK) using a live reference rate you can override. - [GBP to SGD Converter](https://top10k.com/tool/gbp-to-sgd): Convert British Pounds (GBP) to Singapore Dollars (SGD) instantly using a user-entered exchange rate. Supports reverse conversion from SGD to GBP. - [GBP to THB Converter](https://top10k.com/tool/gbp-to-thb) - [GBP to TRY Converter](https://top10k.com/tool/gbp-to-try) - [GBP to USD Converter](https://top10k.com/tool/gbp-to-usd) - [GBP to VND Converter](https://top10k.com/tool/gbp-to-vnd): Converts British Pounds Sterling to Vietnamese Dong using a reference rate refreshed hourly, with a conversion table. - [GBP to ZAR Converter](https://top10k.com/tool/gbp-to-zar) - [GHS to EUR Converter](https://top10k.com/tool/ghs-to-eur) - [GHS to USD Converter](https://top10k.com/tool/ghs-to-usd) - [HKD to EUR Converter](https://top10k.com/tool/hkd-to-eur): Convert Hong Kong Dollars (HKD) to Euros (EUR) instantly using an indicative exchange rate refreshed hourly. No sign-up required — client-side conversion. - [HKD to GBP Converter](https://top10k.com/tool/hkd-to-gbp) - [HKD to USD Converter](https://top10k.com/tool/hkd-to-usd) - [HUF to EUR Converter](https://top10k.com/tool/huf-to-eur): Converts Hungarian Forint (HUF) to Euros (EUR) using a user-adjustable exchange rate. - [HUF to GBP Converter](https://top10k.com/tool/huf-to-gbp): Converts Hungarian Forint (HUF) to British Pound Sterling (GBP) using a reference rate refreshed hourly, with reverse conversion support. - [HUF to USD Converter](https://top10k.com/tool/huf-to-usd): Converts Hungarian Forints to US Dollars using an indicative rate refreshed hourly, with a note to verify live rates for financial transactions. - [IDR to EUR Converter](https://top10k.com/tool/idr-to-eur) - [IDR to GBP Converter](https://top10k.com/tool/idr-to-gbp) - [IDR to USD Converter](https://top10k.com/tool/idr-to-usd) - [ILS to EUR Converter](https://top10k.com/tool/ils-to-eur): Convert Israeli New Shekel (ILS) to Euro (EUR) and back using a reference rate refreshed hourly. Supports both directions instantly in your browser. - [ILS to GBP Converter](https://top10k.com/tool/ils-to-gbp): Converts Israeli New Shekels to British Pounds using a reference exchange rate with a clean client-side calculator. - [ILS to USD Converter](https://top10k.com/tool/ils-to-usd): Converts Israeli New Shekels (ILS) to US Dollars (USD) using a reference rate refreshed hourly with a quick-reference conversion table. - [INR to EUR Converter](https://top10k.com/tool/inr-to-eur): Converts Indian Rupees (INR) to Euros (EUR) using a user-adjustable exchange rate, with reverse conversion and common amount presets. - [INR to GBP Converter](https://top10k.com/tool/inr-to-gbp): Free INR to GBP converter. Enter a custom Indian Rupee to British Pound exchange rate, convert any amount instantly, and reverse to GBP-to-INR with one click. - [INR to USD Converter](https://top10k.com/tool/inr-to-usd): Free INR to USD converter. Enter a custom Indian Rupee to US Dollar exchange rate, convert any amount instantly, and reverse to USD-to-INR with one click. - [ISK to EUR Converter](https://top10k.com/tool/isk-to-eur) - [ISK to USD Converter](https://top10k.com/tool/isk-to-usd) - [JOD to EUR Converter](https://top10k.com/tool/jod-to-eur): Convert Jordanian Dinar (JOD) to Euro (EUR) instantly using a user-editable exchange rate. No sign-up, no tracking — your amounts stay in your browser. - [JOD to USD Converter](https://top10k.com/tool/jod-to-usd) - [JPY to EUR Converter](https://top10k.com/tool/jpy-to-eur): Convert Japanese Yen to Euros instantly using a reference exchange rate. Supports custom rate override for accurate conversions. Fully client-side, no data sent to any server. - [JPY to GBP Converter](https://top10k.com/tool/jpy-to-gbp): Converts Japanese Yen (JPY) to British Pounds Sterling (GBP) using a user-adjustable exchange rate. - [JPY to USD Converter](https://top10k.com/tool/jpy-to-usd): Free JPY to USD converter. Enter a custom Japanese Yen to US Dollar exchange rate, convert any amount instantly, and reverse to USD-to-JPY with one click. - [KES to EUR Converter](https://top10k.com/tool/kes-to-eur): Convert Kenyan Shilling (KES) to Euro (EUR) using an hourly reference rate, with reverse EUR-to-KES conversion and a common amounts table. - [KES to USD Converter](https://top10k.com/tool/kes-to-usd): Converts Kenyan Shillings (KES) to US Dollars (USD) with a user-editable exchange rate and quick reference table. - [KRW to EUR Converter](https://top10k.com/tool/krw-to-eur): Converts South Korean Won (KRW) to Euros (EUR) using a live reference rate with a user-adjustable custom rate. Fully client-side, no data sent to any server. - [KRW to GBP Converter](https://top10k.com/tool/krw-to-gbp): Converts South Korean Won (KRW) to British Pounds Sterling (GBP) using a live reference rate with a user-editable rate field. - [KRW to USD Converter](https://top10k.com/tool/krw-to-usd): Free KRW to USD converter. Enter a custom South Korean Won to US Dollar exchange rate, convert any amount instantly, and reverse to USD-to-KRW with one click. - [KWD to EUR Converter](https://top10k.com/tool/kwd-to-eur) - [KWD to USD Converter](https://top10k.com/tool/kwd-to-usd) - [LKR to EUR Converter](https://top10k.com/tool/lkr-to-eur): Converts Sri Lankan Rupees (LKR) to Euros (EUR) using a reference rate refreshed hourly, with a simple input form. - [LKR to USD Converter](https://top10k.com/tool/lkr-to-usd): Converts Sri Lankan Rupees (LKR) to US Dollars (USD) using a reference rate refreshed hourly, with a simple input form. - [MAD to EUR Converter](https://top10k.com/tool/mad-to-eur): Converts Moroccan Dirham (MAD) to Euros (EUR) with a reference rate refreshed hourly and a quick-reference table. - [MAD to USD Converter](https://top10k.com/tool/mad-to-usd): Converts Moroccan Dirham (MAD) to US Dollars (USD) using a live-editable reference rate with reverse conversion. - [MXN to EUR Converter](https://top10k.com/tool/mxn-to-eur): Convert Mexican Peso (MXN) to Euro (EUR) using a user-editable exchange rate with reverse conversion support. - [MXN to GBP Converter](https://top10k.com/tool/mxn-to-gbp): Converts Mexican Pesos (MXN) to British Pounds (GBP) using a live reference rate with a user-editable rate field. - [MXN to USD Converter](https://top10k.com/tool/mxn-to-usd): Free MXN to USD converter. Enter a custom Mexican Peso to US Dollar exchange rate, convert any amount instantly, and reverse to USD-to-MXN with one click. - [MYR to EUR Converter](https://top10k.com/tool/myr-to-eur): Converts Malaysian Ringgit (MYR) to Euros (EUR) using a reference rate refreshed hourly, with a clear disclaimer that live rates may vary. - [MYR to GBP Converter](https://top10k.com/tool/myr-to-gbp): Converts Malaysian Ringgit (MYR) to British Pounds Sterling (GBP) using a live reference rate you can override. - [MYR to USD Converter](https://top10k.com/tool/myr-to-usd): Convert Malaysian Ringgit to US Dollars instantly using a user-editable exchange rate, with reverse conversion. - [NGN to EUR Converter](https://top10k.com/tool/ngn-to-eur): Converts Nigerian Naira (NGN) to Euros (EUR) using a live reference rate with manual override. - [NGN to USD Converter](https://top10k.com/tool/ngn-to-usd): Converts Nigerian Naira (NGN) to US Dollars (USD) using a fixed reference rate with live-rate disclaimer. - [NOK to EUR Converter](https://top10k.com/tool/nok-to-eur): Converts Norwegian Krone (NOK) to Euro (EUR) using a reference exchange rate refreshed hourly, which you can override with your own. - [NOK to GBP Converter](https://top10k.com/tool/nok-to-gbp): Converts Norwegian Krone (NOK) to British Pound Sterling (GBP) with a user-adjustable exchange rate - [NOK to USD Converter](https://top10k.com/tool/nok-to-usd): Free NOK to USD converter. Enter a custom Norwegian Krone to US Dollar exchange rate, convert any amount instantly, and reverse to USD-to-NOK with one click. - [NZD to EUR Converter](https://top10k.com/tool/nzd-to-eur): Converts New Zealand dollars to euros using a user-adjustable exchange rate, with reverse conversion and common amount presets. - [NZD to GBP Converter](https://top10k.com/tool/nzd-to-gbp): Converts New Zealand Dollars to British Pounds Sterling using a reference exchange rate with reverse conversion support. - [NZD to USD Converter](https://top10k.com/tool/nzd-to-usd) - [OMR to EUR Converter](https://top10k.com/tool/omr-to-eur) - [OMR to USD Converter](https://top10k.com/tool/omr-to-usd) - [PEN to EUR Converter](https://top10k.com/tool/pen-to-eur) - [PEN to USD Converter](https://top10k.com/tool/pen-to-usd) - [PHP to EUR Converter](https://top10k.com/tool/php-to-eur): Converts Philippine Peso (PHP) to Euro (EUR) using a live-editable reference rate with a clear disclaimer that rates are for reference only. - [PHP to GBP Converter](https://top10k.com/tool/php-to-gbp): Convert Philippine Peso (PHP) to British Pound Sterling (GBP) instantly using a live-editable exchange rate. Swap direction, adjust the rate, and copy results with one click. - [PHP to USD Converter](https://top10k.com/tool/php-to-usd) - [PKR to EUR Converter](https://top10k.com/tool/pkr-to-eur) - [PKR to USD Converter](https://top10k.com/tool/pkr-to-usd) - [PLN to EUR Converter](https://top10k.com/tool/pln-to-eur): Convert Polish Zloty (PLN) to Euro (EUR) instantly using a user-supplied exchange rate. Supports reverse conversion and a quick reference table. - [PLN to GBP Converter](https://top10k.com/tool/pln-to-gbp): Converts Polish zloty (PLN) to British pounds (GBP) using a user-adjustable exchange rate with quick-amount buttons and a reference table. - [PLN to USD Converter](https://top10k.com/tool/pln-to-usd) - [QAR to EUR Converter](https://top10k.com/tool/qar-to-eur): Convert Qatari Riyal (QAR) to Euro (EUR) instantly using a user-editable exchange rate. Common amount presets, reverse conversion, and fully client-side. - [QAR to USD Converter](https://top10k.com/tool/qar-to-usd): Converts Qatari Rial (QAR) to US Dollars (USD) using the official peg rate, refreshed hourly; includes a reference table and reverse conversion. - [RON to EUR Converter](https://top10k.com/tool/ron-to-eur): Converts Romanian Leu to Euros using a live reference rate, refreshed hourly, with a clean two-way converter. - [RON to USD Converter](https://top10k.com/tool/ron-to-usd): Converts Romanian Leu (RON) to US Dollars (USD) using a live reference rate, refreshed hourly, with formula display and reverse conversion. - [RUB to EUR Converter](https://top10k.com/tool/rub-to-eur): Converts Russian Rubles (RUB) to Euros (EUR) using a fixed reference rate with bidirectional input. - [RUB to GBP Converter](https://top10k.com/tool/rub-to-gbp): Convert Russian Rubles (RUB) to British Pounds Sterling (GBP) instantly using a reference rate refreshed hourly, with a user-editable exchange rate field. - [RUB to USD Converter](https://top10k.com/tool/rub-to-usd) - [SAR to EUR Converter](https://top10k.com/tool/sar-to-eur): Convert Saudi Arabian Riyals (SAR) to Euros (EUR) and back using a live reference rate, refreshed hourly. Supports both directions instantly in your browser. - [SAR to GBP Converter](https://top10k.com/tool/sar-to-gbp): Converts Saudi Riyal (SAR) to British Pound Sterling (GBP) using a user-editable exchange rate. - [SAR to USD Converter](https://top10k.com/tool/sar-to-usd): Convert Saudi Riyal (SAR) to US Dollar (USD) using the official fixed peg rate; bidirectional conversion with inline rate disclaimer. - [SEK to EUR Converter](https://top10k.com/tool/sek-to-eur): Converts Swedish Krona (SEK) to Euros (EUR) using a live-editable reference exchange rate with a clean converter UI. - [SEK to GBP Converter](https://top10k.com/tool/sek-to-gbp): Convert Swedish Kronor (SEK) to British Pounds (GBP) using a user-entered exchange rate. Instant client-side calculation with no sign-up required. - [SEK to USD Converter](https://top10k.com/tool/sek-to-usd) - [SGD to EUR Converter](https://top10k.com/tool/sgd-to-eur) - [SGD to GBP Converter](https://top10k.com/tool/sgd-to-gbp) - [SGD to USD Converter](https://top10k.com/tool/sgd-to-usd): Convert Singapore Dollars to US Dollars instantly using a user-editable reference rate. No signup, no server calls — runs entirely in your browser. - [Solana to EUR Converter](https://top10k.com/tool/sol-to-eur): Convert Solana (SOL) cryptocurrency amounts to Euros (EUR) using your entered exchange rate. Supports reverse conversion from EUR back to SOL. - [Solana to GBP Converter](https://top10k.com/tool/sol-to-gbp): Converts a Solana (SOL) amount to British Pounds (GBP) using a user-entered exchange rate. No API needed — works fully offline in your browser. - [Solana to USD Converter](https://top10k.com/tool/sol-to-usd): Convert SOL (Solana) amounts to US Dollars using a user-supplied exchange rate. Shows the full formula and includes a quick reference conversion table. - [Solana to VND Converter](https://top10k.com/tool/sol-to-vnd) - [Thai Baht to Euro Converter](https://top10k.com/tool/thb-to-eur): Converts Thai Baht (THB) to Euros (EUR) using a user-adjustable exchange rate with instant client-side calculation. - [THB to GBP Converter](https://top10k.com/tool/thb-to-gbp) - [THB to USD Converter](https://top10k.com/tool/thb-to-usd) - [TRY to EUR Converter](https://top10k.com/tool/try-to-eur): Convert Turkish Lira (TRY) to Euro (EUR) instantly using a live reference exchange rate, refreshed hourly. Includes reverse conversion and quick amount buttons. - [TRY to GBP Converter](https://top10k.com/tool/try-to-gbp): Converts Turkish Lira (TRY) to British Pounds Sterling (GBP) using a user-supplied exchange rate. - [TRY to USD Converter](https://top10k.com/tool/try-to-usd) - [TWD to EUR Converter](https://top10k.com/tool/twd-to-eur) - [TWD to USD Converter](https://top10k.com/tool/twd-to-usd) - [UAH to EUR Converter](https://top10k.com/tool/uah-to-eur): Converts Ukrainian Hryvnia to Euros with a user-editable exchange rate and quick reference amounts. - [UAH to USD Converter](https://top10k.com/tool/uah-to-usd): Converts Ukrainian hryvnia (UAH) to US dollars (USD) using a fixed reference rate with a clear disclaimer that live rates should be checked for financial transactions. - [USD to AED Converter](https://top10k.com/tool/usd-to-aed): Converts US dollars to UAE dirhams using the official fixed peg rate; includes a reference table for common amounts and a reverse-conversion note. - [USD to ARS Converter](https://top10k.com/tool/usd-to-ars) - [USD to AUD Converter](https://top10k.com/tool/usd-to-aud) - [USD to BDT Converter](https://top10k.com/tool/usd-to-bdt) - [USD to BGN Converter](https://top10k.com/tool/usd-to-bgn) - [USD to BHD Converter](https://top10k.com/tool/usd-to-bhd): Converts US Dollar (USD) to Bahraini Dinar (BHD) using the official fixed peg rate with a quick-reference table. - [USD to BRL Converter](https://top10k.com/tool/usd-to-brl) - [USD to CAD Converter](https://top10k.com/tool/usd-to-cad) - [USD to CHF Converter](https://top10k.com/tool/usd-to-chf) - [USD to CLP Converter](https://top10k.com/tool/usd-to-clp) - [USD to CNY Converter](https://top10k.com/tool/usd-to-cny) - [USD to COP Converter](https://top10k.com/tool/usd-to-cop) - [USD to CZK Converter](https://top10k.com/tool/usd-to-czk) - [USD to DKK Converter](https://top10k.com/tool/usd-to-dkk) - [USD to DZD Converter](https://top10k.com/tool/usd-to-dzd): Converts US Dollars (USD) to Algerian Dinars (DZD) using a live-editable reference rate with reverse conversion. - [USD to EGP Converter](https://top10k.com/tool/usd-to-egp): Converts US Dollars (USD) to Egyptian Pounds (EGP) using a fixed reference rate with live-rate disclaimer. - [USD to GBP Converter](https://top10k.com/tool/usd-to-gbp) - [USD to GHS Converter](https://top10k.com/tool/usd-to-ghs) - [USD to HKD Converter](https://top10k.com/tool/usd-to-hkd): Convert US Dollars to Hong Kong Dollars instantly using a user-editable exchange rate. No signup, no server calls — runs entirely in your browser. - [USD to HUF Converter](https://top10k.com/tool/usd-to-huf): Converts US Dollars to Hungarian Forints using a live reference rate, refreshed hourly, with a note to verify live rates for financial transactions. - [USD to IDR Converter](https://top10k.com/tool/usd-to-idr): Convert US Dollars to Indonesian Rupiah using an exchange rate you supply. No signup, no server calls — runs entirely in your browser. - [USD to ILS Converter](https://top10k.com/tool/usd-to-ils): Converts US Dollars to Israeli New Shekels using hourly updated exchange rates, custom rate editing, and a quick-reference conversion table. - [USD to INR Converter](https://top10k.com/tool/usd-to-inr) - [USD to ISK Converter](https://top10k.com/tool/usd-to-isk) - [USD to JOD Converter](https://top10k.com/tool/usd-to-jod) - [USD to JPY Converter](https://top10k.com/tool/usd-to-jpy) - [USD to KES Converter](https://top10k.com/tool/usd-to-kes) - [USD to KRW Converter](https://top10k.com/tool/usd-to-krw) - [USD to KWD Converter](https://top10k.com/tool/usd-to-kwd) - [USD to LKR Converter](https://top10k.com/tool/usd-to-lkr): Converts US Dollars to Sri Lankan Rupees using a live reference rate, refreshed hourly, with a clean input/output interface. - [USD to MAD Converter](https://top10k.com/tool/usd-to-mad): Converts US Dollars (USD) to Moroccan Dirhams (MAD) using a live-editable reference rate with reverse conversion. - [USD to MXN Converter](https://top10k.com/tool/usd-to-mxn) - [USD to MYR Converter](https://top10k.com/tool/usd-to-myr) - [USD to NGN Converter](https://top10k.com/tool/usd-to-ngn) - [USD to NOK Converter](https://top10k.com/tool/usd-to-nok) - [USD to NZD Converter](https://top10k.com/tool/usd-to-nzd) - [USD to OMR Converter](https://top10k.com/tool/usd-to-omr): Converts US Dollars to Omani Rials using a live reference rate, refreshed hourly; includes a quick-reference table for common amounts and a reverse-conversion toggle. - [USD to PEN Converter](https://top10k.com/tool/usd-to-pen) - [USD to PHP Converter](https://top10k.com/tool/usd-to-php) - [USD to PKR Converter](https://top10k.com/tool/usd-to-pkr) - [USD to PLN Converter](https://top10k.com/tool/usd-to-pln): Convert US Dollar to Polish Zloty (PLN) using a live reference rate, refreshed hourly; bidirectional with quick reference table. - [USD to QAR Converter](https://top10k.com/tool/usd-to-qar): Convert US dollars to Qatari riyals using the official fixed peg rate; includes a reference table for common amounts and reverse conversion. - [USD to RON Converter](https://top10k.com/tool/usd-to-ron): Convert US Dollar to Romanian Leu (RON) using a live reference rate, refreshed hourly; bidirectional with quick reference table. - [USD to RUB Converter](https://top10k.com/tool/usd-to-rub) - [USD to SAR Converter](https://top10k.com/tool/usd-to-sar): Converts US dollars to Saudi Arabian riyals using the official fixed peg rate; includes a reference table for common amounts and a reverse-conversion toggle. - [USD to SEK Converter](https://top10k.com/tool/usd-to-sek) - [USD to SGD Converter](https://top10k.com/tool/usd-to-sgd): Convert US Dollars to Singapore Dollars instantly using a user-editable reference rate. No signup, no server calls — runs entirely in your browser. - [USD to THB Converter](https://top10k.com/tool/usd-to-thb): Convert US Dollars to Thai Baht instantly using an exchange rate you supply. No signup, no server calls — runs entirely in your browser. - [USD to TRY Converter](https://top10k.com/tool/usd-to-try) - [USD to TWD Converter](https://top10k.com/tool/usd-to-twd) - [USD to UAH Converter](https://top10k.com/tool/usd-to-uah): Convert US Dollars to Ukrainian Hryvnia (UAH) using a user-adjustable exchange rate. Bidirectional with a quick-reference table for common amounts. - [USD to VND Converter](https://top10k.com/tool/usd-to-vnd): Converts US Dollars to Vietnamese Dong using a reference rate refreshed hourly, with a common-amounts quick-reference table. - [USD to ZAR Converter](https://top10k.com/tool/usd-to-zar) - [Tether to EUR Converter](https://top10k.com/tool/usdt-to-eur): Convert USDT (Tether stablecoin) to Euros using an adjustable reference rate. Enter any USDT amount and see the EUR equivalent instantly. - [Tether to GBP Converter](https://top10k.com/tool/usdt-to-gbp): Convert USDT (Tether stablecoin) to British Pounds Sterling (GBP). Uses a representative reference rate with a reminder to verify the live rate before trading. - [Tether to USD Converter](https://top10k.com/tool/usdt-to-usd): Convert USDT (Tether stablecoin) to USD. Uses a 1:1 default peg rate with the option to enter the current live rate for precision. - [Tether to VND Converter](https://top10k.com/tool/usdt-to-vnd): Converts USDT (Tether stablecoin) to Vietnamese Dong (VND) using a reference rate refreshed hourly, with a manual override field. - [VND to EUR Converter](https://top10k.com/tool/vnd-to-eur): Converts Vietnamese Dong (VND) to Euros (EUR) using a fixed reference rate with live-rate disclaimer. - [VND to GBP Converter](https://top10k.com/tool/vnd-to-gbp): Convert Vietnamese Dong (VND) to British Pounds Sterling (GBP) using a user-adjustable reference exchange rate. Instant, private, and fully client-side. - [VND to USD Converter](https://top10k.com/tool/vnd-to-usd): Converts Vietnamese Dong (VND) to US Dollars (USD) with a user-adjustable exchange rate and quick reference table. - [XRP to EUR Converter](https://top10k.com/tool/xrp-to-eur): Converts XRP (Ripple) cryptocurrency amounts to Euros using a manually-entered or preset exchange rate. No API key required — fully client-side. - [XRP to GBP Converter](https://top10k.com/tool/xrp-to-gbp): Converts XRP (Ripple) amounts to British Pounds using a user-supplied exchange rate. No API key required — enter the current rate and get instant results. - [XRP to USD Converter](https://top10k.com/tool/xrp-to-usd): Converts XRP (Ripple) amounts to US Dollars using a user-supplied exchange rate. No API key required — enter the current rate and get instant results. - [XRP to VND Converter](https://top10k.com/tool/xrp-to-vnd): Convert XRP (Ripple) to Vietnamese Dong (VND) instantly using a live or custom exchange rate. Includes a swap button to reverse the conversion. - [ZAR to EUR Converter](https://top10k.com/tool/zar-to-eur): Convert South African Rand (ZAR) to Euro (EUR) using a user-editable exchange rate. Includes a quick-reference conversion table for common amounts. - [ZAR to GBP Converter](https://top10k.com/tool/zar-to-gbp): Converts South African Rand (ZAR) to British Pound Sterling (GBP) using a live reference rate, refreshed hourly, with common amount presets. - [ZAR to USD Converter](https://top10k.com/tool/zar-to-usd) ## Fitness Tools (23) - [5/3/1 Calculator](https://top10k.com/tool/5-3-1-calculator): Generates a full Wendler 5/3/1 strength training week schedule (sets, reps, and weights for each week) based on the user's one-rep max for squat, bench press, deadlift, and overhead press. - [Body Recomposition Calculator](https://top10k.com/tool/body-recomposition-calculator): Estimates calories and macros for simultaneous fat loss and muscle gain (body recomposition) based on current weight, body fat %, goal body fat %, and activity level. - [Calorie Burn Rowing Calculator](https://top10k.com/tool/calorie-burn-rowing): Estimates calories burned during rowing (machine or on-water) using MET values from the Compendium of Physical Activities, body weight, and duration. - [Cycling FTP Test Calculator](https://top10k.com/tool/cycling-ftp-test): Calculates Functional Threshold Power (FTP) from a 20-minute or ramp cycling test and sets personalized training zones. - [Cycling W' (W-Prime) Calculator](https://top10k.com/tool/cycling-w-prime): Calculates W' (anaerobic work capacity) and Critical Power from two or more maximal power-duration data points using the critical power model. - [Dots Coefficient Calculator](https://top10k.com/tool/dots-coefficient): Calculate the Dots coefficient score for powerlifting to compare lifters across different body weights and sexes using the formula adopted by the IPF in 2019. - [Flexibility Score Calculator](https://top10k.com/tool/flexibility-score): Rates your flexibility level based on sit-and-reach test distance and age/gender norms, giving a percentile rank and classification. - [Grip Strength Norms](https://top10k.com/tool/grip-strength-norms): Compares your grip strength measurement to age- and sex-based population norms, giving a percentile ranking and interpretation. - [Heart Rate Reserve Calculator](https://top10k.com/tool/heart-rate-reserve): Calculate Heart Rate Reserve (HRR) and personalized Karvonen target training zones using resting heart rate and maximum heart rate. Supports age-based max HR estimation via multiple formulas. - [IPF GL Points Calculator](https://top10k.com/tool/ipf-gl-points): Calculates IPF GL (Good Lift) points for powerlifting based on the lifter's total, bodyweight, and sex using the current IPF GL formula coefficients. - [Karvonen Formula](https://top10k.com/tool/karvonen-formula): Calculate target heart rate training zones using the Karvonen (heart rate reserve) method. Enter your resting and maximum heart rate to get personalized zones from 50% to 90% intensity. - [Madcow 5x5 Calculator](https://top10k.com/tool/madcow-calculator): Generates a Madcow 5x5 intermediate weightlifting program week-by-week schedule based on the user's current 5-rep max for squat, bench press, and deadlift, calculating weekly progressions and worko… - [Barbell Plate Loading Calculator](https://top10k.com/tool/plate-loading-calculator): Calculates which weight plates to load on each side of a barbell to reach a target lift weight. Supports both kg and lb plate sets with standard plates. - [Protein Timing Helper](https://top10k.com/tool/protein-timing-helper): Suggests optimal protein intake amounts and timing windows based on body weight, fitness goal, and workout schedule. Get a daily protein target plus a per-meal distribution plan. - [Race Pace Predictor (Riegel Formula)](https://top10k.com/tool/race-pace-predictor-riegel): Predicts finish time for a target race distance based on a known race result, using Pete Riegel's endurance performance formula (T2 = T1 × (D2/D1)^1.06). - [Rest Interval Timer](https://top10k.com/tool/rest-interval-timer): Recommends optimal rest periods between sets based on training goal (strength, hypertrophy, endurance, power) and exercise intensity, with a countdown timer built in. - [RPE to Percentage of 1RM Calculator](https://top10k.com/tool/rpe-to-percentage): Converts Rate of Perceived Exertion (RPE) on the 1–10 scale to estimated percentage of one-rep max using the Tuchscherer RPE chart, and back. - [Running VO2max Daniels Calculator](https://top10k.com/tool/running-vo2max-daniels): Estimates VO2max from a running race time using Jack Daniels' VDOT formula, then generates training pace zones — Easy, Marathon, Threshold, Interval, and Repetition. - [Strength Standards Checker](https://top10k.com/tool/strength-standards-checker): Compares a lifter's 1-rep-max on squat, bench press, and deadlift against established strength standards (beginner, novice, intermediate, advanced, elite) for their bodyweight and sex. - [Tempo Set Calculator](https://top10k.com/tool/tempo-set-calculator): Calculate time-under-tension (TUT) for a resistance training set using tempo notation (eccentric/pause/concentric/pause), reps, and sets. Shows TUT per set and total session TUT. - [Training Max Calculator](https://top10k.com/tool/training-max-calculator): Calculate your training max (typically 90% of one-rep max) for powerlifting and strength programs like 5/3/1 to set working weights for each training cycle. - [Volume Load Calculator](https://top10k.com/tool/volume-load-calculator): Calculates total training volume load (sets × reps × weight) for strength training exercises, with weekly totals. - [Warmup Set Calculator](https://top10k.com/tool/warmup-set-calculator): Calculates progressive warmup sets for strength training given a target working weight, helping lifters ramp up safely before their main sets. ## Physics Tools (234) - [AC Peak-to-Peak Calculator](https://top10k.com/tool/ac-peak-to-peak-calculator): Converts between AC peak voltage, peak-to-peak voltage, RMS voltage, and average (rectified) voltage for sinusoidal waveforms. Enter any one value to compute the other three instantly. - [AC RMS Calculator](https://top10k.com/tool/ac-rms-calculator): Calculate RMS (root mean square) voltage and current from a sinusoidal AC signal's peak value. Uses Vrms = Vpeak / sqrt(2) and Irms = Ipeak / sqrt(2). - [Adiabatic Process Calculator](https://top10k.com/tool/adiabatic-process-calculator): Calculates pressure, volume, and temperature relationships for adiabatic thermodynamic processes using the adiabatic index (gamma). Solve for any unknown state variable given the initial state and … - [Airy Disk Calculator](https://top10k.com/tool/airy-disk-calculator): Calculates the Airy disk diameter and angular resolution limit for an optical aperture at a given wavelength. - [Angular Displacement Calculator](https://top10k.com/tool/angular-displacement-calculator): Calculate the angular displacement of a rotating object given initial angle, angular velocity, and time — or derive it from arc length and radius. - [Angular Momentum Calculator](https://top10k.com/tool/angular-momentum-calculator): Calculates angular momentum L = I x omega (moment of inertia x angular velocity) for common shapes (solid cylinder, hollow cylinder, solid sphere, thin rod), with unit conversion support. - [Area Thermal Expansion Calculator](https://top10k.com/tool/area-thermal-expansion): Calculate the change in area of a material due to temperature change using the coefficient of area thermal expansion (2α × ΔT × A₀). - [Average Velocity Calculator](https://top10k.com/tool/average-velocity-calculator): Calculate average velocity from total displacement and total time. Supports single-segment and multi-segment trips, with both metric and imperial units. - [Band Gap Calculator](https://top10k.com/tool/band-gap-calculator) - [Banked Curve Calculator](https://top10k.com/tool/banked-curve-calculator): Calculates the ideal banking angle for a curved road given vehicle speed and curve radius, and the maximum safe speed for a given bank angle. - [Beat Frequency Calculator](https://top10k.com/tool/beat-frequency-calculator) - [Bernoulli Pressure Calculator](https://top10k.com/tool/bernoulli-pressure-calculator): Calculate pressure, velocity, or height at two points in a fluid flow using Bernoulli's equation. Solves for any unknown in P1 + ½ρv1² + ρgh1 = P2 + ½ρv2² + ρgh2. - [Blackbody Peak Wavelength Calculator](https://top10k.com/tool/blackbody-peak-wavelength): Calculate the peak emission wavelength of a blackbody radiator from its temperature using Wien's displacement law. Supports Kelvin, Celsius, and Fahrenheit input. - [Bohr Model Energy Levels Calculator](https://top10k.com/tool/bohr-model-energy-levels): Calculate the energy level of a hydrogen-like atom electron using the Bohr model formula E = -13.6 eV × Z² / n². Supports any atomic number Z and principal quantum number n. - [Bose-Einstein Distribution Calculator](https://top10k.com/tool/bose-einstein-distribution) - [Buoyant Force Calculator (Archimedes' Principle)](https://top10k.com/tool/buoyant-force-archimedes): Calculate the buoyant force on a submerged or floating object using Archimedes' Principle: F_b = ρ_fluid × V_displaced × g - [Candela to Lux Converter](https://top10k.com/tool/candela-to-lux): Convert luminous intensity in candela (cd) to illuminance in lux (lx) using the inverse square law: lux = candela / distance². - [Capacitor Charge Calculator](https://top10k.com/tool/capacitor-charge-calculator): Calculates the charge stored on a capacitor (Q = C × V), energy stored (E = ½CV²), and related quantities. Enter any two known values to solve for the third. - [Capacitors In Parallel Calculator](https://top10k.com/tool/capacitors-in-parallel): Calculate total capacitance when multiple capacitors are connected in parallel. 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Enter mass and radius to get the redshift factor z and the shifted wavelength. - [Half-Life Decay Calculator](https://top10k.com/tool/half-life-decay-calculator) - [Hall Voltage Calculator](https://top10k.com/tool/hall-voltage-calculator): Calculates Hall voltage in a conductor or semiconductor from current, magnetic field, carrier density, and sample thickness. Also computes Hall coefficient and carrier type. - [Hazen-Williams Calculator](https://top10k.com/tool/hazen-williams-calculator): Calculate water flow velocity and flow rate in a pipe using the Hazen-Williams formula. Enter pipe diameter, hydraulic gradient, and C coefficient to get velocity (m/s or ft/s) and flow rate (L/s o… - [Head Loss Calculator](https://top10k.com/tool/head-loss-calculator) - [Heat Energy Calculator](https://top10k.com/tool/heat-energy-calculator): Calculate heat energy transferred using Q = mcΔT. Supports multiple common substances with preset specific heat values and Celsius, Fahrenheit, or Kelvin temperature inputs. - [Heat of Fusion Calculator](https://top10k.com/tool/heat-of-fusion-calculator): Calculates the energy required to melt or freeze a substance using Q = m × Lf, with a lookup table of common materials and their specific latent heat of fusion values. - [Heat of Vaporization Calculator](https://top10k.com/tool/heat-of-vaporization-calculator): Calculates the heat energy required to vaporize a substance using Q = m × L, with common substance presets for the latent heat of vaporization. - [Heat Pump COP Calculator](https://top10k.com/tool/heat-pump-cop-calculator): Calculates the Coefficient of Performance (COP) for heat pumps based on source and sink temperatures. 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Find the transformer turns ratio needed for maximum power transfer and see the reflected impedance. - [Impulse Momentum Theorem Calculator](https://top10k.com/tool/impulse-momentum-theorem): Calculates impulse (J = F x delta-t) and the resulting change in momentum, or solves for force or time given the other inputs. - [Inclined Plane Mechanical Advantage](https://top10k.com/tool/inclined-plane-mechanical-advantage): Calculate the mechanical advantage of an inclined plane given its slope length and height (or angle), and find the effort force needed to move a load. - [Inductors in Parallel Calculator](https://top10k.com/tool/inductors-in-parallel): Calculate the total inductance of 2–8 inductors connected in parallel using the reciprocal sum formula. Includes an optional mutual coupling coefficient for magnetically coupled coil pairs. - [Inductors in Series Calculator](https://top10k.com/tool/inductors-in-series): Calculate the total inductance of inductors connected in series. Supports up to 10 inductors with unit conversion (H, mH, µH, nH) and displays the series inductance formula. - [Inelastic Collision Calculator](https://top10k.com/tool/inelastic-collision-calculator): Calculates post-collision velocities and energy loss for perfectly inelastic collisions using conservation of momentum. - [Internal Energy Calculator](https://top10k.com/tool/internal-energy-calculator): Calculate the change in internal energy of a thermodynamic system using the first law of thermodynamics (ΔU = Q − W). Enter heat added and work done to get ΔU instantly. - [Inverse Square Law Calculator](https://top10k.com/tool/inverse-square-law-calculator): Calculates how intensity (light, sound, radiation) changes with distance using the inverse square law: I₂ = I₁ × (d₁/d₂)². 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Includes a reference table of common material coefficients. - [Kinetic Friction Energy Loss Calculator](https://top10k.com/tool/kinetic-friction-energy-loss): Calculate energy lost to kinetic friction given coefficient of kinetic friction, normal force, and displacement — outputs work done by friction (joules) and heat generated. - [Kirchhoff Voltage Law Calculator](https://top10k.com/tool/kirchhoff-voltage-law): Applies KVL to solve for unknown voltages in a closed loop circuit given the other voltages and EMFs. - [Larmor Radius Calculator](https://top10k.com/tool/larmor-radius-calculator): Calculates the Larmor (cyclotron) radius of a charged particle moving perpendicular to a magnetic field. Supports particle presets for electron, proton, alpha particle, and muon. - [LC Resonant Frequency Calculator](https://top10k.com/tool/lc-resonant-frequency): Calculate the resonant frequency of an LC circuit from inductance and capacitance. 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Enter velocity as a fraction of c, in m/s, or km/s to get gamma, time dilation, length contraction, and relativistic mass factor. - [Lorentz Force Calculator](https://top10k.com/tool/lorentz-force-calculator): Calculates the magnetic Lorentz force on a moving charged particle (F = qvB sin θ) given charge, velocity, magnetic field strength, and angle between velocity and field. - [Lux to Lumens Engineering Converter](https://top10k.com/tool/lux-to-lumens-eng): Converts between illuminance (lux or foot-candles) and luminous flux (lumens) given a surface area. Supports lux↔lumens and foot-candles↔lumens with utilization factor for engineering-grade photome… - [Mach Number Calculator](https://top10k.com/tool/mach-number-fluid): Calculate the Mach number of an object moving through a fluid given its velocity and the speed of sound in that fluid (or temperature for air). - [Magnetic Field Solenoid](https://top10k.com/tool/magnetic-field-solenoid): Calculates the magnetic field inside a solenoid using B = μ₀nI, where n is turns per meter and I is current. - [Magnetic Field Wire](https://top10k.com/tool/magnetic-field-wire): Calculates the magnetic field strength around a long straight current-carrying wire using Ampere's law (B = μ₀I / 2πr). - [Magnetic Force on Charge Calculator](https://top10k.com/tool/magnetic-force-on-charge): Calculates the magnetic force on a moving electric charge using F = qvB sin(θ), with inputs for charge, velocity, magnetic field strength, and angle between velocity and field vectors. - [Magnetic Force On Wire Calculator](https://top10k.com/tool/magnetic-force-on-wire): Calculates the magnetic force on a current-carrying wire using F = BIL sin(θ), with inputs for magnetic field strength, current, wire length, and angle between the wire and field. - [Magnification Lens Calculator](https://top10k.com/tool/magnification-lens): Calculates lens magnification, image distance, object distance, or focal length using the thin lens equation and magnification formula. - [Mass Defect Calculator](https://top10k.com/tool/mass-defect-calculator): Calculate nuclear mass defect and binding energy from isotope atomic mass using the hydrogen-atom mass method, so electron masses cancel consistently. - [Mass-Energy E=mc² Calculator](https://top10k.com/tool/mass-energy-e-mc2): Calculates the energy equivalent of a given mass using Einstein's E=mc² formula, with conversions across multiple energy units including joules, kilowatt-hours, electron-volts, and megatons of TNT. - [Modal Frequency Calculator](https://top10k.com/tool/modal-frequency-calculator): Calculates the natural (modal) frequency of a single-degree-of-freedom spring-mass system from stiffness and mass values. - [Modulation Transfer Function Helper](https://top10k.com/tool/modulation-transfer-helper): Computes and plots the MTF (Modulation Transfer Function) for an optical system from diffraction limit, defocus, or Gaussian blur parameters — shows spatial frequency response as a percentage. - [Moment of Inertia — Disk Calculator](https://top10k.com/tool/moment-of-inertia-disk): Calculates the moment of inertia of a solid disk or annular disk about its central axis using I = (1/2)MR² (solid) or I = (1/2)M(R1²+R2²) (hollow). - [Moment of Inertia Rod](https://top10k.com/tool/moment-of-inertia-rod): Calculates the moment of inertia of a uniform rod about its center or end, given mass and length. - [Moment of Inertia — Sphere](https://top10k.com/tool/moment-of-inertia-sphere): Calculates the moment of inertia of a solid sphere (I = 2/5 × m × r²) and a hollow spherical shell (I = 2/3 × m × r²) given mass and radius. - [Motional EMF Calculator](https://top10k.com/tool/motional-emf-calculator): Calculates the motional electromotive force (EMF) induced in a conductor moving through a magnetic field using EMF = BLv. - [Newton's Law of Cooling Calculator](https://top10k.com/tool/newtons-law-of-cooling): Calculates the temperature of an object at any time as it cools (or warms) toward ambient temperature using Newton's Law of Cooling: T(t) = T_amb + (T0 - T_amb)·e^(−kt). Outputs a temperature vs. t… - [Nuclear Binding Energy Calculator](https://top10k.com/tool/nuclear-binding-energy): Calculates the nuclear binding energy and binding energy per nucleon for any isotope given its proton count, neutron count, and nuclear mass in atomic mass units. - [Numerical Aperture Calculator](https://top10k.com/tool/numerical-aperture-calculator): Calculates numerical aperture (NA = n × sin θ) for optical fibers and microscope objectives, plus derived quantities like acceptance angle and f-number. - [Orbital Mechanics Calculator](https://top10k.com/tool/orbital-mechanics-calculator) - [Orbital Period Calculator (Kepler's Third Law)](https://top10k.com/tool/orbital-period-kepler) - [Otto Cycle Efficiency](https://top10k.com/tool/otto-cycle-efficiency): Calculates the ideal thermal efficiency of an Otto cycle (gasoline engine) from compression ratio and heat capacity ratio, showing net work, heat input, and efficiency percentage. - [Parallel Plate Capacitance Calculator](https://top10k.com/tool/parallel-plate-capacitance): Calculate the capacitance of a parallel plate capacitor using C = ε₀ × εᵣ × A / d. Enter plate area, separation, and dielectric material to get capacitance in pF, nF, or µF. - [Pascal Principle Calculator](https://top10k.com/tool/pascal-principle-calculator): Apply Pascal's principle (F₁/A₁ = F₂/A₂) to calculate force or area in hydraulic systems. Supports Newtons/pounds for force and cm²/m²/in² for area. - [Photoelectric Effect Calculator](https://top10k.com/tool/photoelectric-effect-calculator): Calculates photon energy, maximum kinetic energy of ejected electrons, threshold frequency, and stopping voltage using Einstein's photoelectric equation. - [Photometry Unit Converter](https://top10k.com/tool/photometry-converter): Convert between all major photometric units: lumens, candela, lux, foot-candles, nits, stilb, and lambert. Includes a full photometric quantity reference table. - [Photon Momentum Calculator](https://top10k.com/tool/photon-momentum-calculator): Calculate photon momentum (p = h/λ) from wavelength or frequency. Also outputs photon energy in joules and electron-volts. - [Physical Pendulum Calculator](https://top10k.com/tool/physical-pendulum-calculator): Calculates the period and frequency of a physical (compound) pendulum given moment of inertia, mass, and pivot-to-center-of-mass distance. - [Pipe Friction Loss Calculator](https://top10k.com/tool/pipe-friction-loss): Calculates pressure drop due to friction in a pipe using the Darcy-Weisbach equation. Enter flow rate, pipe diameter, length, roughness, and fluid viscosity to get head loss and pressure drop. - [Planck Radiation Calculator](https://top10k.com/tool/planck-radiation-calculator): Calculate blackbody spectral radiance B(λ,T) using Planck's radiation law and Wien's displacement law. Enter wavelength in nm and temperature in Kelvin. - [Plasma Frequency Calculator](https://top10k.com/tool/plasma-frequency-calculator) - [Poiseuille Flow Calculator](https://top10k.com/tool/poiseuille-flow-calculator): Calculate viscous flow rate, pressure drop, and wall shear stress in a cylindrical pipe using the Hagen-Poiseuille equation. Supports laminar flow analysis for Newtonian fluids. - [Optical Power Budget Calculator](https://top10k.com/tool/power-budget-optical): Calculates the optical power budget for a fiber optic link. Enter transmitter power, receiver sensitivity, fiber attenuation, distance, connector losses, and splice losses to get total loss, link m… - [Power Factor Correction Calculator](https://top10k.com/tool/power-factor-correction): Calculates the capacitor size (kVAR and µF) needed to correct power factor from an existing value to a target value, given real power in kW, supply voltage, and frequency. - [Power-to-Weight Ratio Calculator](https://top10k.com/tool/power-to-weight-ratio-calculator): Calculate power-to-weight ratio for vehicles or athletes from power (hp, kW, or W) and weight (lbs or kg), with unit conversions and a benchmark comparison table. - [Pulley Mechanical Advantage Calculator](https://top10k.com/tool/pulley-mechanical-advantage): Calculate the mechanical advantage, output force, and effort force of a pulley system based on the number of support ropes and an applied or load force. - [Pump Power Calculator](https://top10k.com/tool/pump-power-calculator): Calculate hydraulic power and shaft power required by a pump from flow rate, fluid density, head, and pump efficiency. Supports both metric (SI) and imperial (US) units. - [Q Value Nuclear Reaction Calculator](https://top10k.com/tool/q-value-nuclear-reaction): Calculates the Q-value (energy released or absorbed) of a nuclear reaction using reactant and product masses via E=Δmc². Positive Q means exothermic (energy released); negative Q means endothermic … - [Quantum Harmonic Oscillator Calculator](https://top10k.com/tool/quantum-harmonic-oscillator): Calculate energy levels, zero-point energy, and level spacing for a quantum harmonic oscillator. Uses En = (n + 1/2)ħω given angular frequency ω and quantum number n. - [R Value To U Value](https://top10k.com/tool/r-value-to-u-value): Converts thermal resistance (R-value) to thermal transmittance (U-value) and vice versa using the relationship U = 1/R. - [Radiation Distance Dose Calculator](https://top10k.com/tool/radiation-distance-dose): Calculates radiation dose rate at a new distance from a source using the inverse square law, given a known dose rate at a reference distance, for radiation safety planning. - [Radioactive Activity Calculator](https://top10k.com/tool/radioactive-activity-calculator) - [Rankine Cycle Efficiency Calculator](https://top10k.com/tool/rankine-cycle-efficiency): Calculates thermal efficiency of an ideal Rankine steam cycle from turbine inlet/outlet enthalpies and pump work. - [Rayleigh Criterion Calculator](https://top10k.com/tool/rayleigh-criterion): Calculate the angular resolution limit of an optical system using the Rayleigh criterion (theta = 1.22 * lambda / D). Works for telescopes, microscopes, cameras, and any aperture-limited optic. - [Rayleigh Range Calculator](https://top10k.com/tool/rayleigh-range-calculator): Calculates the Rayleigh range (depth of focus) and related beam parameters of a Gaussian laser beam from wavelength and beam waist inputs. - [RC Circuit Calculator](https://top10k.com/tool/rc-circuit-calculator): Calculate time constant, impedance, phase angle, cutoff frequency, and charge/discharge voltage for RC circuits. Supports AC and transient DC analysis. - [Capacitive Reactance Calculator](https://top10k.com/tool/reactance-capacitive): Calculates capacitive reactance (Xc = 1 / 2πfC) given frequency and capacitance; shows impedance in ohms. - [Inductive Reactance Calculator](https://top10k.com/tool/reactance-inductive): Calculates inductive reactance (XL = 2πfL) given frequency and inductance. Shows impedance in ohms instantly as you type. - [Recoil Velocity Calculator](https://top10k.com/tool/recoil-velocity-calculator): Calculate the recoil velocity of a firearm or any system using conservation of momentum. Supports metric (kg, m/s) and imperial (lb, ft/s) units. - [Refrigerator COP Calculator](https://top10k.com/tool/refrigerator-cop-calculator): Calculates the Coefficient of Performance (COP) of a refrigerator given heat absorbed from the cold reservoir and work input. Uses COP = Q_cold / W. - [Relativistic Doppler Calculator](https://top10k.com/tool/relativistic-doppler-calculator): Calculates the observed frequency and wavelength shift due to the relativistic Doppler effect when a source moves toward or away from an observer at a significant fraction of the speed of light. - [Relativistic Kinetic Energy Calculator](https://top10k.com/tool/relativistic-kinetic-energy): Calculates relativistic kinetic energy KE = (γ-1)mc² where γ=1/√(1-v²/c²). Enter rest mass and velocity to get the Lorentz factor, rest energy, total energy, relativistic KE in joules and eV, and c… - [Relativistic Momentum Calculator](https://top10k.com/tool/relativistic-momentum-calculator): Calculates relativistic momentum p = γmv where γ = 1/√(1−v²/c²) is the Lorentz factor. Inputs: rest mass (kg), velocity (m/s or as a fraction of c). Outputs: Lorentz factor γ, relativistic momentum… - [Resistance of Wire Calculator](https://top10k.com/tool/resistance-of-wire): Calculates the electrical resistance of a wire given its resistivity, length, and cross-sectional area using R = ρL/A. - [Resistivity Calculator](https://top10k.com/tool/resistivity-calculator): Calculate electrical resistivity, resistance, wire length, or cross-sectional area using the formula R = ρL/A. Supports common materials with preset resistivity values. - [Resistors in Parallel Calculator](https://top10k.com/tool/resistors-in-parallel): Calculates the total equivalent resistance of resistors wired in parallel using 1/Rt = 1/R1 + 1/R2 + ... Supports 2–8 resistors with optional supply voltage for current and power. - [Resistors In Series](https://top10k.com/tool/resistors-in-series): Calculates total resistance for up to 10 resistors in series (R_total = R1 + R2 + ... + Rn), with voltage divider output and current calculation given supply voltage. - [Resonance Frequency System](https://top10k.com/tool/resonance-frequency-system): Calculates the natural resonance frequency of a mass-spring mechanical system using mass and spring constant values. - [Reynolds Number Fluid Calculator](https://top10k.com/tool/reynolds-number-fluid): Calculate the Reynolds number for fluid flow in a pipe or channel to determine whether flow is laminar, transitional, or turbulent. - [RL Circuit Calculator](https://top10k.com/tool/rl-circuit-calculator): Calculate time constant, impedance, phase angle, and voltage/current response for a series RL circuit given resistance and inductance values. - [RLC Circuit Calculator](https://top10k.com/tool/rlc-circuit-calculator): Calculate resonant frequency, impedance, Q-factor, and bandwidth for series and parallel RLC circuits. Supports AC analysis at any frequency. - [Rotational Kinetic Energy Calculator](https://top10k.com/tool/rotational-kinetic-energy-calculator): Calculate the rotational kinetic energy of a spinning object given its moment of inertia and angular velocity using KE = 0.5 * I * omega^2. - [Rydberg Equation Calculator](https://top10k.com/tool/rydberg-equation-calculator): Calculates the wavelength of a photon emitted or absorbed during electron transitions between energy levels in hydrogen-like atoms using the Rydberg formula. - [Schwarzschild Radius Calculator](https://top10k.com/tool/schwarzschild-radius-calculator): Calculate the Schwarzschild radius (event horizon) of any object given its mass. Used in astrophysics and general relativity to determine the critical radius at which an object becomes a black hole. - [Screw Mechanical Advantage Calculator](https://top10k.com/tool/screw-mechanical-advantage): Calculate the mechanical advantage of a screw from its pitch and effort arm circumference. Understand how screws multiply force using the formula MA = circumference / pitch. - [Simple Pendulum Calculator](https://top10k.com/tool/simple-pendulum-calculator): Calculates the period, frequency, and angular frequency of a simple pendulum given its length and local gravitational acceleration. - [Single Slit Diffraction Calculator](https://top10k.com/tool/single-slit-diffraction): Calculates the diffraction minima angles and positions for light passing through a single slit, given slit width, wavelength, and screen distance. - [Skin Depth Calculator](https://top10k.com/tool/skin-depth-calculator): Calculates the skin depth (electromagnetic penetration depth) of a conductor given frequency, resistivity, and relative permeability. - [Snell's Law Refraction Calculator](https://top10k.com/tool/snells-law-refraction): Calculates the refraction angle of light passing between two media using Snell's Law (n1·sin θ1 = n2·sin θ2), with presets for common materials like glass, water, and air. - [Sound Intensity Level Calculator](https://top10k.com/tool/sound-intensity-level): Calculates sound intensity level in decibels (dB) from intensity in W/m², and converts between dB and intensity using the standard reference level I₀ = 10⁻¹² W/m². - [Specific Heat Capacity Calculator](https://top10k.com/tool/specific-heat-capacity-calculator): Calculates heat energy, mass, specific heat capacity, or temperature change using Q = mcΔT. Solve for any variable given the other three. - [Specific Impulse Calculator](https://top10k.com/tool/specific-impulse-calculator): Calculate specific impulse (Isp) of a rocket engine from thrust and mass flow rate, or derive it from exhaust velocity. Also converts between Isp in seconds and effective exhaust velocity in m/s. - [Specific Weight Calculator](https://top10k.com/tool/specific-weight-calculator): Calculate specific weight (unit weight) of a material from its density using γ = ρg, with a reference table for common fluids and materials. - [Spherical Mirror Calculator](https://top10k.com/tool/spherical-mirror-calculator): Calculates image distance, object distance, focal length, and magnification for concave and convex spherical mirrors using the mirror equation. - [Spring Frequency Calculator](https://top10k.com/tool/spring-frequency-calculator): Calculates the natural frequency of a spring-mass system using f = (1/2π) * sqrt(k/m), where k is spring constant and m is mass. - [Spring Potential Energy Calculator](https://top10k.com/tool/spring-potential-energy-calculator): Calculate the elastic potential energy stored in a spring using Hooke's Law (E = 0.5 * k * x^2). Enter spring constant and displacement to get energy in joules. - [Standing Wave Calculator](https://top10k.com/tool/standing-wave-calculator): Calculates standing wave harmonics, wavelengths, and frequencies for strings, open pipes, and closed pipes given wave speed and length. - [Stark Effect Calculator](https://top10k.com/tool/stark-effect-calculator): Calculate the linear and quadratic Stark effect energy splitting of atomic energy levels in an external electric field. Supports hydrogen-like atoms for linear Stark effect and general atoms for qu… - [Stefan-Boltzmann Power Calculator](https://top10k.com/tool/stefan-boltzmann-power): Calculates the total radiated thermal power (watts) emitted by a body using the Stefan-Boltzmann law, given surface area, emissivity, and temperature. - [Surface Tension Calculator](https://top10k.com/tool/surface-tension-calculator): Calculate surface tension using the force/length (F/L) or energy/area (E/A) method. Includes unit conversions and real-world fluid examples. - [Tangential Velocity Calculator](https://top10k.com/tool/tangential-velocity-calculator): Calculates the tangential (linear) velocity of a point on a rotating object given the radius and angular velocity (or RPM), using v = r * omega. - [Terminal Velocity Calculator](https://top10k.com/tool/terminal-velocity-calculator): Calculate the terminal velocity of a falling object using mass, drag coefficient, cross-sectional area, and fluid density. Formula: v_t = sqrt(2mg / (rho * Cd * A)). - [Terminal Velocity in Fluid](https://top10k.com/tool/terminal-velocity-fluid): Calculates the terminal velocity of a sphere falling through a viscous fluid using Stokes' law for the low-Reynolds-number regime and warns when that approximation is not valid. - [Thermal Conductivity Calculator](https://top10k.com/tool/thermal-conductivity-calculator): Calculates heat transfer rate through a material using Fourier's law of thermal conduction (Q = kA·ΔT/d). Enter thermal conductivity, area, temperature difference, and thickness to get heat flow in… - [Thermal Resistance Calculator](https://top10k.com/tool/thermal-resistance-calculator): Calculates thermal resistance R = L / (k * A) for a material layer and total resistance for series/parallel combinations; used in heat transfer analysis. - [Thin Film Interference Calculator](https://top10k.com/tool/thin-film-interference): Calculates constructive and destructive interference conditions for thin films given film thickness, refractive index, and light wavelength. Covers both reflected and transmitted cases. - [Thin Lens Calculator](https://top10k.com/tool/thin-lens-calculator): Applies the thin lens equation (1/f = 1/do + 1/di) to find focal length, object distance, or image distance, plus magnification. - [Three Phase Current Calculator](https://top10k.com/tool/three-phase-current-calculator): Calculates line current in a three-phase AC system given apparent power (kVA), line voltage (V), and power factor. Supports both balanced star and delta configurations. - [Time Dilation Relativity Calculator](https://top10k.com/tool/time-dilation-relativity): Calculates relativistic time dilation — how much time slows down for a moving object relative to a stationary observer. - [Torque Calculator](https://top10k.com/tool/torque-calculator): Calculates torque (τ = F × r × sin θ), force, or lever arm length given the other values; supports Newton-meters, foot-pounds, and inch-pounds with angle input. - [Torque From Force Calculator](https://top10k.com/tool/torque-from-force-calculator): Calculates torque given a force magnitude, lever arm length, and the angle between them using τ = F × r × sin θ. Includes an interactive angle diagram, multiple unit options, and an instant visual … - [Total Internal Reflection Calculator](https://top10k.com/tool/total-internal-reflection): Calculate the critical angle for total internal reflection using Snell's law. Enter the refractive indices of two media to find the angle beyond which light cannot pass into the second medium. - [Transformer Voltage Calculator](https://top10k.com/tool/transformer-voltage-calculator): Calculate the secondary (output) voltage of a transformer given the primary voltage and turns ratio. Also solves for any unknown: primary voltage, turns ratio, or number of turns. - [Tsiolkovsky Rocket Equation Calculator](https://top10k.com/tool/tsiolkovsky-rocket-equation): Calculate delta-v from the Tsiolkovsky rocket equation (Δv = Isp × g₀ × ln(m₀/mf)). Enter specific impulse, initial mass, and final (dry) mass to find the velocity change a rocket can achieve. - [Quantum Tunneling Probability Calculator](https://top10k.com/tool/tunneling-probability): Calculates the quantum tunneling transmission probability for a particle passing through a rectangular potential barrier using the WKB approximation. - [Velocity Calculator](https://top10k.com/tool/velocity-calculator): Calculate velocity from distance and time, or solve for distance or time using v = d/t. Supports metric and imperial units. - [Venturi Effect Calculator](https://top10k.com/tool/venturi-effect-calculator): Calculate throat velocity, pressure drop, and volumetric flow rate in a Venturi tube using the continuity equation and Bernoulli's principle. - [Vibration Amplitude Calculator](https://top10k.com/tool/vibration-amplitude): Calculates the displacement amplitude, velocity amplitude, and acceleration amplitude of a simple harmonic oscillator from frequency and peak displacement (or from any two known quantities). - [Voltage Divider Calculator](https://top10k.com/tool/voltage-divider-calculator): Calculate output voltage, resistor ratio, current, and power dissipation for a two-resistor voltage divider circuit. - [Volume Thermal Expansion Calculator](https://top10k.com/tool/volume-thermal-expansion): Calculate the change in volume of a solid or liquid material due to temperature change using the volumetric thermal expansion coefficient (β × ΔT × V₀). - [Wave Energy Calculator](https://top10k.com/tool/wave-energy-calculator): Calculates ocean/water wave energy density and power per unit width using wave height, period, and water density. Applies the standard E = ρgH²/8 and P = E × cg formulas. - [Wave Power Calculator](https://top10k.com/tool/wave-power-calculator): Calculates the power (energy flux) of ocean or water waves using wave height, period, and water density. Supports both monochromatic and real sea-state (JONSWAP) formulas for marine energy and coas… - [Wave Speed On String Calculator](https://top10k.com/tool/wave-speed-on-string): Calculate the speed of a transverse wave on a string. Supports both the tension/density formula v = sqrt(T/μ) and the frequency-wavelength formula v = f × λ. - [Wavefunction Normalization Calculator](https://top10k.com/tool/wavefunction-normalization): Checks and computes the normalization constant A for simple quantum wavefunctions — particle in a box, harmonic oscillator, and hydrogen 1s — so that the integral of |ψ|² over all space equals 1. - [Wavelength Frequency Light Converter](https://top10k.com/tool/wavelength-frequency-light): Converts between wavelength (nm, m) and frequency (Hz, THz) for electromagnetic radiation using c = λf, with visible spectrum color identification. - [Wedge Mechanical Advantage](https://top10k.com/tool/wedge-mechanical-advantage): Calculates the mechanical advantage of a wedge given its length and thickness. - [Weight On Other Planets](https://top10k.com/tool/weight-on-other-planets): Enter your weight on Earth and instantly see how much you would weigh on every planet in the solar system (plus the Moon and Pluto), using each body's surface gravity. - [Wheatstone Bridge Calculator](https://top10k.com/tool/wheatstone-bridge-calculator): Calculates the unknown resistance in a Wheatstone bridge circuit given the other three resistances and supply voltage; also checks for balance condition. - [Work Done By Gas Calculator](https://top10k.com/tool/work-done-by-gas): Calculates the work done by a gas during expansion or compression. Supports isobaric (W = P × ΔV), isothermal (W = nRT ln(V₂/V₁)), and isochoric processes. - [Work-Energy Theorem Calculator](https://top10k.com/tool/work-energy-theorem-calculator): Calculates net work done on an object using the work-energy theorem: W = ΔKE = ½mv² − ½mv₀². Solve for net work, final speed, initial speed, or mass. - [Zeeman Splitting Calculator](https://top10k.com/tool/zeeman-splitting): Calculates the energy and wavelength splitting of spectral lines in an external magnetic field using the normal Zeeman effect (ΔE = m_l · μ_B · B), with g-factor support for anomalous Zeeman splitt… ## Electrical Tools (93) - [555 Astable Calculator](https://top10k.com/tool/555-astable-calculator): Calculates frequency, duty cycle, and timing intervals for a 555 timer IC in astable (free-running oscillator) mode from R1, R2, and capacitor values. - [555 Monostable Calculator](https://top10k.com/tool/555-monostable-calculator): Calculates the output pulse width (T = 1.1 × R × C) for a 555 timer wired in monostable (one-shot) mode. - [555 Timer Calculator](https://top10k.com/tool/555-timer-calculator): Calculates timing resistor and capacitor values for a 555 timer IC in astable (oscillator) or monostable (one-shot) mode, showing frequency, duty cycle, and pulse width. - [ADC Resolution Calculator](https://top10k.com/tool/adc-resolution-calculator): Calculates the voltage resolution and number of quantization levels of an analog-to-digital converter given its bit depth and reference voltage range. - [Amps to Volts Calculator](https://top10k.com/tool/amps-to-volts): Calculate voltage from current and resistance using Ohm's Law (V = I × R), or from current and power (V = P / I). Supports both DC and AC circuits. - [Amps to Watts Calculator](https://top10k.com/tool/amps-to-watts): Convert amperes to watts for DC, AC single-phase, and AC three-phase circuits. Uses W = A × V, W = A × V × PF, and W = A × V × PF × √3. - [Appliance Running Cost Calculator](https://top10k.com/tool/appliance-running-cost): Calculate the daily, monthly, and annual electricity cost to run any household appliance. Enter the wattage, daily usage hours, and your local electricity rate to see exact costs. - [Arc Flash Incident Energy Calculator](https://top10k.com/tool/arc-flash-incident-energy): Estimates arc flash incident energy in cal/cm² and the protection boundary using the legacy IEEE 1584-2002 empirical model. - [AWG Current Capacity](https://top10k.com/tool/awg-current-capacity): Look up the safe ampacity for an American Wire Gauge (AWG) conductor size, with copper or aluminum material and 60C/75C/90C insulation temperature rating options. - [AWG to mm2 Converter](https://top10k.com/tool/awg-to-mm2): Convert American Wire Gauge (AWG) wire size to cross-sectional area in square millimeters, with a lookup table for common gauges. - [Band-Pass Filter Calculator](https://top10k.com/tool/band-pass-filter-calculator): Calculates the lower cutoff frequency, upper cutoff frequency, center frequency, bandwidth, and Q factor for RLC band-pass filter circuits given R, L, and C component values. - [Battery Discharge Calculator](https://top10k.com/tool/battery-discharge-calculator): Calculates battery discharge time from capacity (mAh/Ah), load current, and efficiency; also shows C-rate and estimated runtime at different discharge levels. - [Bed Leveling Shim Calculator](https://top10k.com/tool/bed-leveling-shim-calculator): Calculate the shim thickness needed at each corner of a 3D printer bed to correct an uneven or warped surface, from feeler gauge or paper measurements. - [Boost Converter Calculator](https://top10k.com/tool/boost-converter-calculator): Calculates boost converter output voltage, duty cycle, and inductor current ripple given input voltage, output voltage, switching frequency, and inductance. - [Electrical Box Fill Calculator](https://top10k.com/tool/box-fill-calculator): Calculates NEC-compliant electrical box fill volume for junction and device boxes based on conductor count, gauge, clamps, devices, and fittings per NEC 314.16. - [Circuit Breaker Size Calculator](https://top10k.com/tool/breaker-size-calculator): Calculates the correct circuit breaker size for household and commercial loads based on wattage, voltage, and NEC 80% rule. - [Buck Converter Calculator](https://top10k.com/tool/buck-converter-calculator): Calculates duty cycle, inductor value, output ripple, and capacitor requirements for a step-down (buck) DC-DC converter design. - [Capacitor Bank Sizing](https://top10k.com/tool/capacitor-bank-sizing): Calculate the capacitor bank size (in kVAR) needed to correct power factor from an existing value to a target value for a given load. Supports three-phase and single-phase systems. - [Coax Impedance Calculator](https://top10k.com/tool/coax-impedance-calculator): Calculates the characteristic impedance of a coaxial cable from its inner/outer conductor diameters and dielectric constant. - [Conduit Fill Calculator](https://top10k.com/tool/conduit-fill-calculator): Calculate electrical conduit fill percentage per NEC 2023 Chapter 9. Enter conduit type (EMT, IMC, or RMC), trade size, and conductor count/AWG to check compliance. - [Corona Loss Calculator](https://top10k.com/tool/corona-loss-calculator): Calculate corona discharge power loss on high-voltage transmission lines using the Peek formula, based on line voltage, conductor geometry, and atmospheric conditions. - [Crystal Load Capacitance Calculator](https://top10k.com/tool/crystal-load-capacitance): Calculates the external load capacitors needed for a crystal oscillator circuit given the crystal's specified load capacitance and PCB stray capacitance. - [DAC Output Calculator](https://top10k.com/tool/dac-output-calculator): Calculates the analog output voltage of a Digital-to-Analog Converter given bit resolution, digital input value, and reference voltage; also computes LSB size and full-scale range. - [dBm to Watts Calculator](https://top10k.com/tool/dbm-to-watts-calculator): Converts power in dBm (decibels relative to 1 milliwatt) to watts and milliwatts. Also converts watts back to dBm. - [Decoupling Capacitor Calculator](https://top10k.com/tool/decoupling-capacitor-calculator): Calculates the minimum bypass/decoupling capacitor value needed to hold a supply rail's voltage ripple within a target tolerance for a given transient current step and switching frequency. - [Electrical Load Balance Calculator](https://top10k.com/tool/electrical-load-balance): Distributes electrical loads across phases (single-phase 2-leg or 3-phase) and calculates per-phase watts and load imbalance percentage. - [Extension Cord Gauge Selector](https://top10k.com/tool/extension-cord-gauge): Recommends the correct AWG wire gauge for an extension cord based on load amps and cord length to prevent voltage drop and fire hazards. - [Filament Cost Calculator](https://top10k.com/tool/filament-cost-calculator): Calculate the dollar cost of a 3D print from filament weight used and price per kg (or price per spool plus spool weight), with an optional electricity cost add-on. - [Frequency Wavelength Calculator](https://top10k.com/tool/frequency-wavelength-calculator): Convert between frequency and wavelength for electromagnetic waves using the speed of light. Supports Hz, kHz, MHz, GHz for frequency and mm, cm, m, km for wavelength. - [Generator Sizing Power Calculator](https://top10k.com/tool/generator-sizing-power) - [Generator Wattage Calculator](https://top10k.com/tool/generator-wattage-calculator) - [Ground Wire Size Calculator](https://top10k.com/tool/ground-wire-size): Determines the minimum equipment grounding conductor (EGC) size in AWG based on circuit breaker amperage per NEC Table 250.122. Covers copper and aluminum conductors. - [Grounding Resistance Calculator](https://top10k.com/tool/grounding-resistance-calc): Estimates grounding electrode resistance for vertical rods and horizontal wires in uniform soil. Covers soil resistivity, rod depth, and approximate multiple-rod arrays. - [H-Bridge Calculator](https://top10k.com/tool/h-bridge-calculator): Calculates switching logic, power dissipation, and current limits for H-bridge motor driver circuits given supply voltage and motor parameters. - [Harmonic Distortion THD Calculator](https://top10k.com/tool/harmonic-distortion-thd): Calculate Total Harmonic Distortion (THD) as a percentage from individual harmonic amplitudes relative to the fundamental frequency amplitude. - [Heatsink Size Calculator](https://top10k.com/tool/heatsink-size-calculator): Calculate the required heatsink thermal resistance (degrees C per watt) from power dissipation, max junction temperature, ambient temperature, and junction-to-case/case-to-sink resistances, so you … - [High Pass Filter Calculator](https://top10k.com/tool/high-pass-filter-calculator): Calculates cutoff frequency, impedance, gain, and phase for RC and RL high-pass filter circuits from entered component values. - [Inverter Size Calculator](https://top10k.com/tool/inverter-size-calculator): Calculates the required inverter size (watts and VA) for a solar or backup power system by summing appliance loads with a safety margin. - [Inverting Amplifier Calculator](https://top10k.com/tool/inverting-amplifier-calculator): Calculates the output voltage and gain of an op-amp inverting amplifier configuration given the input voltage and feedback/input resistor values. - [kWh to Amps Converter](https://top10k.com/tool/kwh-to-amps): Converts kilowatt-hours to amperes given voltage and time duration, useful for energy audits, load profiling, and understanding appliance current draw. - [Layer Height Calculator](https://top10k.com/tool/layer-height-calculator): Recommends an optimal 3D-printing layer height range based on nozzle diameter, balancing print quality against print speed. - [Load Flow Helper](https://top10k.com/tool/load-flow-helper): Estimates real and reactive power flow in a simple two-bus power system using basic load flow equations. - [mm2 to AWG Converter](https://top10k.com/tool/mm2-to-awg): Convert wire cross-sectional area in square millimeters (mm2) to the nearest American Wire Gauge (AWG) size, with a reference table and exact gauge calculation. - [Monitor Viewing Distance Calculator](https://top10k.com/tool/monitor-viewing-distance-calculator): Calculate the recommended viewing distance for a monitor or TV from its screen size, resolution, and use case. - [MOSFET Power Dissipation Calculator](https://top10k.com/tool/mosfet-power-dissipation-calculator): Calculate total power dissipation in a switching MOSFET from conduction loss and switching loss, given drain current, Rds(on), duty cycle, supply voltage, rise/fall time, and switching frequency. - [Motor Efficiency Calculator](https://top10k.com/tool/motor-efficiency-calc): Calculates electric motor efficiency as a percentage from input power (watts or kW) and output mechanical shaft power, and shows power loss. - [Motor Full-Load Amps Calculator](https://top10k.com/tool/motor-fla-calculator): Calculates the full-load amperage (FLA) of single-phase and three-phase AC motors from horsepower and voltage using NEC Table 430.248/250. - [Motor Starting Current Calculator](https://top10k.com/tool/motor-starting-current): Calculate the starting (inrush) current of an AC induction motor given its rated current and starting method: DOL, star-delta, auto-transformer, or soft starter. - [NE555 Astable Calculator](https://top10k.com/tool/ne555-astable-calculator): Computes output frequency, period, duty cycle, and high/low times for an NE555 timer IC in astable mode from R1, R2, and capacitor values, with a note on why swapping R1 and R2 cannot push duty cyc… - [Non-Inverting Amplifier Calculator](https://top10k.com/tool/non-inverting-amplifier): Calculates gain, output voltage, and resistor values for an op-amp non-inverting amplifier circuit given input voltage and resistor values. - [PCB Impedance Calculator](https://top10k.com/tool/pcb-impedance-calculator): Calculates PCB trace impedance (microstrip and stripline) for high-speed signal integrity design. - [PCB Trace Width Calculator](https://top10k.com/tool/pcb-trace-width-calculator): Calculates the minimum PCB trace width required to carry a given current without exceeding a specified temperature rise, per IPC-2221 standard. - [Per Unit System Calc](https://top10k.com/tool/per-unit-system-calc): Converts power system quantities (impedance, voltage, current, power) to and from the per-unit system used in electrical power engineering analysis. - [Potentiometer Divider Calculator](https://top10k.com/tool/potentiometer-divider-calculator): Calculate the output voltage of a potentiometer used as a voltage divider from supply voltage, total resistance, and wiper position. - [Power Triangle Calculator](https://top10k.com/tool/power-triangle-calculator): Calculate real power (W), reactive power (VAR), apparent power (VA), and power factor from any two known electrical power quantities using the power triangle relationship. - [PPI Calculator](https://top10k.com/tool/ppi-calculator): Calculate a display's pixels per inch (PPI) from screen resolution and diagonal size in inches, with common device presets. - [Print Time Estimator](https://top10k.com/tool/print-time-estimator): Estimate FDM 3D print time from model volume, height, layer height, infill, and print speed, with presets for common printer speed profiles and a layer-count overhead allowance. - [Projector Screen Size Calculator](https://top10k.com/tool/projector-screen-size-calculator): Calculate the recommended projector screen size (diagonal, width, and height) from your viewing distance, aspect ratio, and preferred viewing angle. Supports feet and meters. - [Projector Throw Distance Calculator](https://top10k.com/tool/projector-throw-distance-calculator): Calculates projector throw distance range and resulting screen width or diagonal from a projector throw ratio and desired screen size, or works backward from a fixed installation distance to the la… - [Pull-Up Resistor Calculator](https://top10k.com/tool/pull-up-resistor-calculator): Calculate a safe pull-up or pull-down resistor value for a digital logic input from supply voltage, max sink/source current, and the logic threshold voltage. - [Pulsed RF Calculator](https://top10k.com/tool/pulsed-rf-calculator): Calculate pulsed RF parameters including duty cycle, average power, pulse width, PRF, PRI, pulse energy, and maximum unambiguous radar range. - [PWM Duty Cycle Calculator](https://top10k.com/tool/pwm-duty-cycle-calculator): Calculates PWM duty cycle percentage, on-time, off-time, average voltage, and frequency from period and pulse width inputs; used in motor control, LED dimming, and power electronics. - [RC Filter Cutoff Frequency Calculator](https://top10k.com/tool/rc-filter-cutoff): Calculates the cutoff frequency of an RC low-pass or high-pass filter given resistance and capacitance values. Also computes time constant, reactance, and optional gain/phase at a signal frequency. - [Reactive Power Compensation Calculator](https://top10k.com/tool/reactive-power-compensation): Calculate the capacitor bank size (kVAR) needed to correct power factor from an existing value to a target value, given load active power (kW), system voltage, and frequency. - [Refresh Rate Frame Time Calculator](https://top10k.com/tool/refresh-rate-frame-time-calculator): Convert a monitor refresh rate in Hz to per-frame time in milliseconds, or convert a frame time back to Hz. Includes a reference table of common gaming refresh rates. - [Resin Volume Calculator](https://top10k.com/tool/resin-volume-calculator): Calculates the amount of SLA, DLP, or MSLA resin needed for a 3D print from the model volume plus a supports and waste percentage, with optional cost conversion. - [Resistor E-Series Lookup](https://top10k.com/tool/resistor-e-series-lookup): Look up the nearest standard resistor value in the E6, E12, E24, E48, or E96 series for a target resistance, with percent difference and tolerance shown. - [Resolution Scaling Calculator](https://top10k.com/tool/resolution-scaling-calculator): Scale a source resolution to a target width, target height, or scale percentage while preserving aspect ratio, with quick presets for 720p, 1080p, 1440p, and 4K. - [Romex Wire Size Calculator](https://top10k.com/tool/romex-size-calculator): Screens copper NM-B conductor size from breaker rating, load, one-way run length and voltage-drop target using 60 °C ampacity limits. - [Schmitt Trigger Calculator](https://top10k.com/tool/schmitt-trigger-calculator): Calculates the upper and lower trip voltages and hysteresis band of an op-amp Schmitt trigger circuit from the feedback resistor R1, the ground-reference resistor R2, and the supply or saturation v… - [Screen Diagonal Calculator](https://top10k.com/tool/screen-diagonal-calculator): Calculate a screen's diagonal size in inches or centimeters from its width and height, or work backward from a diagonal and aspect ratio to get width and height. - [Screen Viewing Angle Calculator](https://top10k.com/tool/screen-viewing-angle-calculator): Calculate the horizontal and vertical viewing angle a screen occupies at a given distance, and find the maximum comfortable viewing angle for a monitor or TV size and seating distance. - [Electrical Service Load Calculator](https://top10k.com/tool/service-load-calculator): Calculates total electrical service load for a residential dwelling per NEC standard load calculation method (Article 220), determining required service size in amps. - [Shrinkage Compensation Calculator](https://top10k.com/tool/shrinkage-compensation-calculator): Scale up a 3D model's dimensions to compensate for a material's expected shrinkage after cooling, given the target final size and the shrinkage rate. - [SMD Capacitor Code](https://top10k.com/tool/smd-capacitor-code): Decode an SMD ceramic or tantalum capacitor's printed 3-digit code into its capacitance in pF, nF, or µF, or reverse-lookup the code for a target capacitance. - [SMD Resistor Code](https://top10k.com/tool/smd-resistor-code): Decode an SMD resistor's printed code (3-digit, 4-digit, or EIA-96) into resistance and tolerance, or reverse-lookup the code for a target resistance value. - [Snubber Circuit Calculator](https://top10k.com/tool/snubber-circuit-calculator): Calculates RC snubber component values (resistor and capacitor) to suppress voltage spikes across switching devices like transistors, MOSFETs, or thyristors. - [Solar Battery Bank Size Calculator](https://top10k.com/tool/solar-battery-bank-size): Calculates the required battery bank capacity (Ah and Wh) for an off-grid solar system based on daily consumption, days of autonomy, voltage, depth of discharge, and system efficiency. - [Solar Charge Controller Sizing Calculator](https://top10k.com/tool/solar-charge-controller): Calculates the required solar charge controller amperage based on solar panel wattage, system voltage, and a safety margin. - [PCB Trace Resistance Calculator](https://top10k.com/tool/trace-resistance-calculator): Calculates the electrical resistance of a PCB copper trace given its length, width, thickness (copper weight), and temperature, using standard IPC-2221 resistivity values. - [Transistor Biasing Calculator](https://top10k.com/tool/transistor-biasing-calculator): Calculates base, collector, and emitter currents and voltages for common BJT voltage-divider biasing circuits. - [TV Size Calculator](https://top10k.com/tool/tv-size-calculator): Calculate the recommended TV screen size for a given viewing distance, or the ideal viewing distance for a given TV size, plus screen width, height, and area from the diagonal. - [UPS Runtime Calculator](https://top10k.com/tool/ups-runtime-calculator): Estimates how long a UPS battery will power a connected load. Supports two input modes: VA capacity or Ah + voltage. Accounts for battery type efficiency. - [Voltage Drop Residential](https://top10k.com/tool/voltage-drop-residential): Calculates voltage drop and percentage voltage drop for residential wiring runs based on wire gauge (AWG), current load, wire material, and circuit length. - [Voltage Regulation Line Calculator](https://top10k.com/tool/voltage-regulation-line): Calculate voltage regulation percentage for transmission and distribution lines given sending-end and receiving-end voltages. Supports single-phase and three-phase systems. - [Voltage Regulator Calculator](https://top10k.com/tool/voltage-regulator-calculator): Calculates output voltage, power dissipation, and efficiency for LM78xx/LM317-style linear voltage regulators given input voltage, output voltage, and load current. - [VSWR Calculator](https://top10k.com/tool/vswr-calculator): Calculates Voltage Standing Wave Ratio (VSWR) from reflection coefficient or impedances, and derives return loss, mismatch loss, and reflected power percentage. - [VSWR to Return Loss Converter](https://top10k.com/tool/vswr-to-return-loss) - [Watts to dBm Calculator](https://top10k.com/tool/watts-to-dbm-calculator): Converts power in watts or milliwatts to dBm (decibels relative to 1 milliwatt). Also converts dBm back to watts and milliwatts. - [Watts to Kilowatt-Hours Converter](https://top10k.com/tool/watts-to-kwh): Converts power in watts and time duration to energy in kilowatt-hours (kWh), for electricity cost estimation and appliance usage tracking. - [Wire Ampacity Calculator](https://top10k.com/tool/wire-ampacity-calculator): Look up NEC 310.15 ampacity ratings for copper and aluminum wires by AWG gauge and insulation temperature rating, with conduit fill derating. - [Zener Diode Calculator](https://top10k.com/tool/zener-diode-calculator): Calculates the series resistor value needed for a Zener diode voltage regulator circuit given supply voltage, Zener voltage, and load current. - [Zener Shunt Regulator Calculator](https://top10k.com/tool/zener-shunt-regulator-calculator): Calculates the series resistor value and power dissipation for a Zener shunt voltage regulator, showing both the no-load and full-load resistor bounds so the regulator holds Vz across the whole loa… ## HVAC Tools (14) - [Air Conditioner BTU Calculator](https://top10k.com/tool/air-conditioner-btu-calculator): Calculates the BTU cooling capacity needed for a room based on square footage, ceiling height, insulation, sunlight exposure, and occupancy. - [Boiler Efficiency Calculator](https://top10k.com/tool/boiler-efficiency-calculator): Calculates boiler thermal efficiency using the indirect (heat loss) method — accounts for stack losses (dry flue gas, moisture from combustion, moisture in fuel), radiation/convection losses, and u… - [Chiller Tonnage Calculator](https://top10k.com/tool/chiller-tonnage-calculator): Calculates the required chiller capacity in tons of refrigeration (TR) based on flow rate and water temperature differential. - [Condensate Load Calculator](https://top10k.com/tool/condensate-load-calculator): Estimates hourly and daily HVAC cooling-coil condensate plus latent cooling load from airflow and entering/leaving air conditions. - [Enthalpy of Air Calculator](https://top10k.com/tool/enthalpy-of-air): Calculate the specific enthalpy of moist air from dry-bulb temperature and relative humidity. Essential for HVAC load calculations, cooling/heating coil sizing, and psychrometric analysis. - [Pipe Insulation Calculator](https://top10k.com/tool/pipe-insulation-calculator): Calculates heat loss (or gain) through insulated pipes using cylindrical insulation geometry, pipe dimensions, insulation thickness, and temperature differential. - [Psychrometric Calculator](https://top10k.com/tool/psychrometric-calculator): Calculates psychrometric properties of moist air — relative humidity, dew point, wet-bulb temperature, specific humidity, and enthalpy — from dry-bulb temperature and one additional input. - [Radiator Sizing Calculator](https://top10k.com/tool/radiator-sizing-calculator): Calculates the required radiator output (BTU/hr or watts) for a room based on its dimensions, insulation level, and desired temperature rise. - [Refrigerant Charge Calculator](https://top10k.com/tool/refrigerant-charge-calculator): Estimates refrigerant charge weight for HVAC systems based on line set length, system capacity, and manufacturer base charge, following standard line-length correction rules. - [Room Air Changes Calculator](https://top10k.com/tool/room-air-changes): Calculates the number of air changes per hour (ACH) for a room based on airflow rate and room volume, used in HVAC design and ventilation planning. - [SEER to EER Converter](https://top10k.com/tool/seer-to-eer-converter): Converts between SEER (Seasonal Energy Efficiency Ratio) and EER (Energy Efficiency Ratio) for air conditioning systems. Also calculates estimated cooling costs and BTU output. - [Steam Flow Calculator](https://top10k.com/tool/steam-flow-calculator): Calculates steam mass flow rate through a pipe given pipe diameter, steam pressure, velocity, and steam quality; also computes condensate return. - [Subcooling Calculator](https://top10k.com/tool/subcooling-calculator): Calculates refrigerant subcooling in HVAC/refrigeration systems — the difference between saturation temperature and actual liquid line temperature. - [Superheat Calculator](https://top10k.com/tool/superheat-calculator): Calculates refrigerant superheat (actual suction line temperature minus saturation temperature at suction pressure) for HVAC/refrigeration system diagnostics. ## Document Tools (68) - [EPUB to Excel Converter](https://top10k.com/tool/epub-to-excel-doc): Extract text content from an EPUB file and view chapters in a structured table you can copy directly into Excel. 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No upload, no server, no signup required. - [Excel to HTML Converter](https://top10k.com/tool/excel-to-html-doc): Converts an uploaded Excel (.xlsx/.xls) file to an HTML table in the browser using SheetJS, with copy and download buttons for the generated HTML. - [Excel to Markdown Converter](https://top10k.com/tool/excel-to-markdown-doc): Upload an Excel (.xlsx or .xls) file and convert the first sheet's data into a clean Markdown table you can copy and paste anywhere. - [Excel to TXT Converter](https://top10k.com/tool/excel-to-txt-doc): Convert an Excel (.xlsx) file to plain text entirely in your browser. Extracts cell values from every sheet as tab-separated rows and lets you download the result as a .txt file — no upload, no ser… - [HTML to EPUB Converter](https://top10k.com/tool/html-to-epub-doc): Converts pasted HTML markup into a downloadable EPUB 3 e-book file, entirely in the browser using JSZip. - [HTML to Excel Converter](https://top10k.com/tool/html-to-excel-doc): Extracts HTML tables from a pasted HTML snippet and converts them to a downloadable .xlsx Excel file entirely in the browser using SheetJS. - [HTML to JPG Converter](https://top10k.com/tool/html-to-jpg-doc): Renders an HTML snippet inside a canvas element and exports the result as a downloadable JPG image. - [HTML to Markdown Converter](https://top10k.com/tool/html-to-markdown-doc): Converts HTML markup to clean Markdown text client-side, handling headings, paragraphs, links, lists, bold, italic, and code blocks. - [HTML to PDF Converter](https://top10k.com/tool/html-to-pdf-doc): Paste or type HTML markup and convert it to a downloadable PDF document entirely in your browser. No server upload, no account required. - [HTML to PNG Converter](https://top10k.com/tool/html-to-png-doc): Converts an HTML snippet or page fragment to a downloadable PNG image using html2canvas in the browser. - [HTML to PowerPoint Converter](https://top10k.com/tool/html-to-powerpoint-doc): Converts pasted HTML content into a downloadable .pptx file by extracting headings and paragraphs as slides, using PptxGenJS via CDN. Runs entirely in your browser — nothing is uploaded. - [HTML to TXT Converter](https://top10k.com/tool/html-to-txt-doc): Strips HTML tags from any HTML input and extracts clean plain text, downloadable as a .txt file, entirely in the browser. - [HTML to Word Converter](https://top10k.com/tool/html-to-word-doc): Paste an HTML snippet and download it as a .docx Word document entirely in your browser using docx.js. Headings, paragraphs, bold, italic, lists, and tables are all preserved. - [JPG to EPUB Converter](https://top10k.com/tool/jpg-to-epub-doc): Package one or more JPG or PNG images into a minimal EPUB 3 ebook file, generated and downloaded entirely in the browser with no server upload. - [JPG to Excel Converter](https://top10k.com/tool/jpg-to-excel-doc): Upload a JPG image of a table or data, manually enter the extracted values into a spreadsheet-style editor, and download a clean CSV file compatible with Microsoft Excel, Google Sheets, and LibreOf… - [JPG to HTML Converter](https://top10k.com/tool/jpg-to-html-doc): Converts a JPG or PNG image to a downloadable HTML file by embedding it as a base64 data URI inside a minimal HTML document — entirely in-browser, no upload required. - [JPG to Markdown Converter](https://top10k.com/tool/jpg-to-markdown-doc): Convert a JPG image into a Markdown document with an embedded base64 image and optional text content. Download the result as a .md file — all client-side, no upload required. - [JPG to PDF Converter](https://top10k.com/tool/jpg-to-pdf-doc): Converts one or more JPG/JPEG images into a downloadable PDF document entirely in the browser using pdf-lib - [JPG to PNG Converter](https://top10k.com/tool/jpg-to-png-doc): Converts one or more JPG/JPEG images to PNG format entirely in-browser using the Canvas API — no upload, no server, instant download. - [JPG to PowerPoint Converter](https://top10k.com/tool/jpg-to-powerpoint-doc): Converts one or more JPG/JPEG images into a downloadable PowerPoint (.pptx) file — each image becomes one slide — entirely client-side using PptxGenJS. - [JPG to TXT Converter](https://top10k.com/tool/jpg-to-txt-doc): Extract text from a JPG image using OCR entirely in your browser and download the result as a plain .txt file. Powered by Tesseract.js — no upload, no server. - [JPG to Word Converter](https://top10k.com/tool/jpg-to-word-doc): Embed a JPG image into a downloadable .docx Word document entirely in the browser. No uploads, no servers — pure client-side conversion using docx.js. - [Markdown to EPUB Converter](https://top10k.com/tool/markdown-to-epub-doc): Converts Markdown text to a downloadable EPUB ebook file entirely in the browser using JSZip and marked.js. - [Markdown to Excel Converter](https://top10k.com/tool/markdown-to-excel-doc): Parse Markdown tables from pasted text and export each table as a sheet in a downloadable .xlsx file — entirely in your browser using SheetJS. - [Markdown to HTML Converter](https://top10k.com/tool/markdown-to-html-doc) - [Markdown to JPG Converter](https://top10k.com/tool/markdown-to-jpg-doc): Renders Markdown text to a JPG image using an HTML Canvas, downloadable in-browser. - [Markdown to PDF Converter](https://top10k.com/tool/markdown-to-pdf-doc): Converts Markdown text to a downloadable PDF file entirely in the browser using marked.js for parsing and pdf-lib for PDF generation. - [Markdown to PNG Converter](https://top10k.com/tool/markdown-to-png-doc): Paste Markdown text and instantly download a PNG image of the rendered output. Runs entirely in your browser using html2canvas — no uploads, no server. - [Markdown to PowerPoint Converter](https://top10k.com/tool/markdown-to-powerpoint-doc): Converts Markdown text into a downloadable PowerPoint (.pptx) presentation using client-side JS. Each heading becomes a slide — runs entirely in your browser, nothing is uploaded. - [Markdown to TXT Converter](https://top10k.com/tool/markdown-to-txt-doc): Strip Markdown formatting from any text and download a clean plain-text .txt file instantly in your browser. - [Markdown to Word Converter](https://top10k.com/tool/markdown-to-word-doc): Converts Markdown text to a downloadable .docx Word file entirely in the browser, using marked.js for parsing and docx.js for Word document generation. - [MOBI to EPUB Converter](https://top10k.com/tool/mobi-to-epub-ebook): Informational guide for converting MOBI ebook files to EPUB format, with drag-and-drop file inspector showing file metadata and step-by-step instructions using Calibre and free online tools. - [PNG to EPUB Converter](https://top10k.com/tool/png-to-epub-doc): Packages one or more PNG images into a downloadable EPUB 3 e-book file, entirely client-side with no upload required. - [PNG to Excel Converter](https://top10k.com/tool/png-to-excel-doc): Informational tool explaining how to convert PNG images to Excel spreadsheets. Preview your PNG, download a blank CSV template, and follow step-by-step OCR workflow tips for Google Sheets, LibreOff… - [PNG to HTML Converter](https://top10k.com/tool/png-to-html-doc): Embeds a PNG image into a downloadable HTML file using an inline base64 data URI. Runs entirely in your browser — nothing is uploaded to any server. - [PNG to JPG Converter](https://top10k.com/tool/png-to-jpg-doc): Converts PNG images to JPG format client-side using HTML5 Canvas, with adjustable JPEG quality slider and download button. - [PNG to Markdown Converter](https://top10k.com/tool/png-to-markdown-doc) - [PNG to PDF Converter](https://top10k.com/tool/png-to-pdf-doc): Convert a PNG image into a downloadable PDF document instantly in your browser. No upload, no server, fully client-side using pdf-lib. - [PNG to PowerPoint Converter](https://top10k.com/tool/png-to-powerpoint-doc): Upload a PNG, JPG, or GIF image and instantly download a real PowerPoint (.pptx) file with your image embedded as a full-slide background. 100% client-side — nothing is uploaded to any server. - [PNG to TXT Converter](https://top10k.com/tool/png-to-txt-doc): Extract text from a PNG image using OCR entirely in your browser and download the result as a plain .txt file. Powered by Tesseract.js — no upload, no server. - [PNG to Word Converter](https://top10k.com/tool/png-to-word-doc): Convert a PNG image into a downloadable .docx Word document entirely in the browser. No uploads, no servers — pure client-side conversion using docx.js. - [PowerPoint to EPUB Converter](https://top10k.com/tool/powerpoint-to-epub-doc): Explains how to convert a .pptx file to EPUB format and provides client-side text extraction from PPTX with download as structured HTML (the closest client-side approximation to EPUB without a serv… - [PowerPoint to Excel Converter](https://top10k.com/tool/powerpoint-to-excel-doc): Upload a .pptx file and extract all slide text into a downloadable CSV spreadsheet you can open in Excel, Google Sheets, or any spreadsheet app. - [PowerPoint to HTML Converter](https://top10k.com/tool/powerpoint-to-html-doc): Upload a .pptx file and get a clean, downloadable HTML document with one section per slide — all processed client-side, nothing uploaded to any server. - [PowerPoint to JPG Converter](https://top10k.com/tool/powerpoint-to-jpg-doc): Inspect your PPTX file locally and follow step-by-step instructions to export PowerPoint slides as JPG images on Windows, Mac, Google Slides, and LibreOffice. - [PowerPoint to Markdown Converter](https://top10k.com/tool/powerpoint-to-markdown-doc): Extracts text from a .pptx file client-side and converts it to clean Markdown, one heading per slide, with download as .md file. - [PowerPoint to PDF Converter](https://top10k.com/tool/powerpoint-to-pdf-doc): Guides users on converting PowerPoint (PPTX) files to PDF with a client-side PPTX metadata inspector and slide-count estimator tool. - [PowerPoint to PNG Converter](https://top10k.com/tool/powerpoint-to-png-doc): Inspect your PPTX file locally and follow step-by-step guidance to export PowerPoint slides as lossless PNG images on Windows, Mac, Google Slides, and LibreOffice. - [PowerPoint to TXT Converter](https://top10k.com/tool/powerpoint-to-txt-doc): Client-side tool that reads a .pptx file (via JSZip + XML parsing) and extracts all text content, then lets the user download or copy it as plain text. - [PowerPoint to Word Converter](https://top10k.com/tool/powerpoint-to-word-doc): Extracts text content from a .pptx file client-side and downloads it as a formatted .docx Word document. Nothing is uploaded to a server. - [TXT to EPUB Converter](https://top10k.com/tool/txt-to-epub-doc): Converts plain text into a valid EPUB 3 ebook file (client-side ZIP assembly), downloadable directly from the browser with chapter title and author metadata. - [TXT to Excel Converter](https://top10k.com/tool/txt-to-excel-doc): Converts plain-text tabular data (CSV, TSV, semicolon, or pipe-delimited) pasted by the user into a downloadable .xlsx Excel file, entirely client-side using SheetJS. - [TXT to HTML Converter](https://top10k.com/tool/txt-to-html-doc): Converts plain text input to a formatted HTML document, escaping special characters and wrapping content in a valid HTML5 skeleton; allows download as .html file. - [TXT to JPG Converter](https://top10k.com/tool/txt-to-jpg-doc): Converts plain text typed or pasted into the tool into a downloadable JPG image using the HTML Canvas API. Adjust font, size, and colors before downloading. - [TXT to Markdown Converter](https://top10k.com/tool/txt-to-markdown-doc): Converts plain text input to Markdown format in the browser, with options to auto-detect headings, wrap lines, and download the .md file. - [TXT to PDF Converter](https://top10k.com/tool/txt-to-pdf-doc): Converts plain text input into a downloadable PDF file entirely in the browser using pdf-lib, with font size and margin controls. - [TXT to PNG Converter](https://top10k.com/tool/txt-to-png-doc): Converts plain text typed or pasted into the tool into a downloadable PNG image using the HTML Canvas API. Supports font size, font family, text color, background color, and transparent background. - [TXT to PowerPoint Converter](https://top10k.com/tool/txt-to-powerpoint-doc): Converts plain-text outline into a downloadable .pptx PowerPoint file — each line becomes a slide, all client-side. - [TXT to Word Converter](https://top10k.com/tool/txt-to-word-doc): Converts plain text input into a downloadable .docx Word document using client-side JS. ## Ebook Tools (25) - [AZW3 to EPUB Calibre Command Generator](https://top10k.com/tool/azw3-to-epub-ebook): Guide for converting Amazon AZW3 Kindle ebook files to EPUB format using Calibre and other free tools, with a client-side file info inspector (reads file name, size, extension locally — no upload). - [AZW3 to FB2 Converter](https://top10k.com/tool/azw3-to-fb2-ebook): Generates Calibre ebook-convert commands to convert AZW3 Kindle ebooks to FB2 format, with a client-side file inspector (reads filename/size locally, no upload). FB2 (FictionBook 2) is popular on R… - [AZW3 to MOBI Converter](https://top10k.com/tool/azw3-to-mobi-ebook): Generate a ready-to-run Calibre ebook-convert command to convert AZW3 (Kindle Format 8) ebooks to MOBI format, with a client-side file inspector that reads file details locally without uploading an… - [AZW3 to PDF Converter](https://top10k.com/tool/azw3-to-pdf-ebook): Guide for converting Amazon Kindle AZW3 ebook files to PDF using Calibre and other free tools. Includes a client-side AZW3 file inspector that reads the Kindle Format 8 header to verify the file, p… - [AZW3 Header Inspector & Conversion Guide](https://top10k.com/tool/azw3-to-txt-ebook): Inspect AZW3 Kindle ebook headers in your browser and follow step-by-step Calibre instructions to convert DRM-free AZW3 files to plain text TXT format. - [EPUB to FB2 Converter](https://top10k.com/tool/epub-to-fb2-ebook): Converts EPUB ebook files to FictionBook 2 (FB2) format in the browser using client-side JavaScript. - [FB2 to AZW3 Converter](https://top10k.com/tool/fb2-to-azw3-ebook): Informational guide explaining how to convert FB2 (FictionBook) ebook files to AZW3 (Kindle Format 8) format, with step-by-step instructions using Calibre command-line tools locally - [FB2 to EPUB Converter](https://top10k.com/tool/fb2-to-epub-ebook): Informational guide and Calibre command generator for converting FB2 ebook files to EPUB format. - [FB2 to MOBI Converter](https://top10k.com/tool/fb2-to-mobi-ebook): Informational guide explaining how to convert FB2 ebook files to MOBI (Kindle) format using Calibre and other free tools, with step-by-step instructions and format comparison. - [FB2 to PDF Converter](https://top10k.com/tool/fb2-to-pdf-ebook): Informational guide explaining how to convert FictionBook 2 (.fb2) ebook files to PDF format using Calibre, online converters, and command-line tools, with tips on preserving formatting and fonts. - [FB2 to TXT Converter](https://top10k.com/tool/fb2-to-txt-ebook): Convert FB2 ebook XML to plain text in the browser by stripping tags and extracting paragraph content. - [MOBI to AZW3 Converter](https://top10k.com/tool/mobi-to-azw3-ebook): Guide and Calibre command generator for converting MOBI ebooks to AZW3 (Kindle Format 8); generates ready-to-run ebook-convert commands with optional metadata overrides. - [MOBI to FB2 Converter](https://top10k.com/tool/mobi-to-fb2-ebook): Explains how to convert MOBI ebook files to FB2 format with a client-side format comparison and conversion guide. - [MOBI to PDF Converter](https://top10k.com/tool/mobi-to-pdf-ebook): Guide and reference tool for converting MOBI ebook files to PDF format. Includes a client-side MOBI file inspector that reads the PalmDOC header to verify the file, plus format comparison and recom… - [MOBI to TXT Converter](https://top10k.com/tool/mobi-to-txt-ebook): Extracts plain text from MOBI ebook files in-browser, stripping formatting and markup to produce a clean downloadable TXT file. - [PDF to AZW3 Converter](https://top10k.com/tool/pdf-to-azw3-ebook): Informational guide explaining how to convert PDF files to Amazon AZW3/Kindle format, with step-by-step instructions for using Calibre and other tools, plus a PDF file info inspector. - [PDF to EPUB Converter](https://top10k.com/tool/pdf-to-epub-ebook): Guide and tool-recommendation page for converting PDF files to EPUB ebook format, with a Calibre command generator for CLI users. - [PDF to FB2 Converter](https://top10k.com/tool/pdf-to-fb2-ebook): Informational guide explaining how to convert PDF files to FB2 (FictionBook) ebook format using Calibre, with a comparison of FB2 vs PDF for e-readers. - [PDF to MOBI Converter](https://top10k.com/tool/pdf-to-mobi-ebook): Guides users through converting PDF files to MOBI format for Kindle devices, with a PDF file analyzer and step-by-step conversion instructions. - [PDF to TXT Converter](https://top10k.com/tool/pdf-to-txt-ebook): Client-side tool that extracts plain text from an uploaded PDF file using pdf.js, with copy and download buttons. - [TXT to AZW3 Conversion Guide](https://top10k.com/tool/txt-to-azw3-ebook): Step-by-step guide to converting plain-text TXT files to Amazon's AZW3 Kindle format using Calibre — free, open-source, and available on Windows, macOS, and Linux. - [TXT to EPUB Converter](https://top10k.com/tool/txt-to-epub-ebook): Converts plain text files to EPUB ebook format in the browser. Paste or upload a .txt file, set a title and author, and download a valid EPUB 3 file — no upload, no server. - [TXT to FB2 Converter](https://top10k.com/tool/txt-to-fb2-ebook): Converts plain text (.txt) files into FictionBook 2 (FB2) ebook format entirely in the browser. Paste or upload a .txt file, set title and author, and download a valid FB2 file — no upload, no server. - [TXT to MOBI Converter](https://top10k.com/tool/txt-to-mobi-ebook): Guide and Calibre command generator for converting plain text (.txt) files to MOBI ebook format. Enter filename, title, and author to get a ready-to-run Calibre ebook-convert command with a one-cli… - [TXT to PDF Ebook Converter](https://top10k.com/tool/txt-to-pdf-ebook): Converts plain text input into a downloadable PDF ebook file using pdf-lib, with basic font and margin settings — fully client-side, no upload. ## Statistics Tools (33) - [Bonferroni Correction Calculator](https://top10k.com/tool/bonferroni-correction): Calculate the Bonferroni-adjusted significance threshold for multiple comparisons. Enter your original alpha and the number of tests to get the corrected per-test p-value cutoff that controls famil… - [Chi-Square Goodness of Fit](https://top10k.com/tool/chi-square-goodness-of-fit): Tests whether observed categorical frequencies match an expected distribution by computing the chi-square statistic and p-value. - [Chi-Square Independence Test](https://top10k.com/tool/chi-square-independence): Performs a chi-square test of independence on a 2x2 or user-defined contingency table and reports the test statistic, degrees of freedom, and p-value. - [Cohen's d Effect Size Calculator](https://top10k.com/tool/cohens-d-effect-size): Calculate Cohen's d effect size from two group means, standard deviations, and sample sizes. Includes Hedges' g correction for small samples and interpretation (small / medium / large). - [Confusion Matrix Calculator](https://top10k.com/tool/confusion-matrix-calculator): Computes ML classification model metrics (accuracy, precision, recall, F1 score, specificity, MCC) from a 2x2 confusion matrix (TP, FP, FN, TN). - [Cronbach's Alpha Calculator](https://top10k.com/tool/cronbach-alpha-calculator): Calculates Cronbach's alpha internal consistency coefficient from a matrix of item scores (paste tab-separated data); shows item-total correlations and alpha-if-item-deleted. - [Fisher Exact Test](https://top10k.com/tool/fisher-exact-test): Computes Fisher's exact test p-value for a 2x2 contingency table to test independence between two categorical variables. - [Intraclass Correlation Calculator](https://top10k.com/tool/intraclass-correlation): Computes the intraclass correlation coefficient (ICC) to measure inter-rater or test-retest reliability. Accepts a subjects-by-raters data table and outputs ICC(1), ICC(2), ICC(3) with 95% confiden… - [Kruskal-Wallis Test Calculator](https://top10k.com/tool/kruskal-wallis-test) - [Likelihood Ratio Calculator](https://top10k.com/tool/likelihood-ratio-calculator): Calculates positive and negative likelihood ratios (LR+ and LR-) for diagnostic tests from sensitivity and specificity, with pre/post-test probability conversion. - [Linear Regression Significance Test](https://top10k.com/tool/linear-regression-test): Test whether the slope of a simple linear regression is statistically significant using t-test and F-test, with R-squared, p-value, and confidence interval output. - [Logistic Regression Probability Calculator](https://top10k.com/tool/logistic-regression-helper): Calculate the predicted probability from a logistic regression model. Enter coefficients and predictor values to get the log-odds, odds, and probability output. - [Mann-Whitney U Test](https://top10k.com/tool/mann-whitney-u-test) - [McNemar Test Calculator](https://top10k.com/tool/mcnemar-test): Performs McNemar's chi-squared test on a 2x2 contingency table of paired nominal data to determine if marginal frequencies are equal; outputs chi-squared statistic, p-value, and interpretation. - [Multiple Regression Helper](https://top10k.com/tool/multiple-regression-helper): Computes multiple linear regression coefficients, R-squared, and predicted values from user-entered data points with up to 3 predictor variables. - [Normalization Calculator](https://top10k.com/tool/normalization-calculator) - [Number Needed to Treat](https://top10k.com/tool/number-needed-to-treat): Calculates NNT (Number Needed to Treat) and NNH (Number Needed to Harm) from clinical trial event rates. Enter control and treatment event rates to get absolute risk reduction, relative risk, and c… - [Odds Ratio Calculator](https://top10k.com/tool/odds-ratio-calculator): Calculates odds ratio, relative risk, and 95% confidence intervals from a 2x2 contingency table — used in epidemiology and clinical research to measure association between exposure and outcome. - [One-Way ANOVA Calculator](https://top10k.com/tool/one-way-anova) - [Paired T Test Calculator](https://top10k.com/tool/paired-t-test): Performs a paired (dependent) t-test on two related samples entered as comma-separated values, computing the t-statistic, degrees of freedom, p-value, and significance decision. - [Pearson Correlation Test](https://top10k.com/tool/pearson-correlation-test): Calculates Pearson r correlation coefficient and two-tailed p-value for two equal-length data sets entered as comma-separated numbers. - [Statistical Power Analysis Calculator](https://top10k.com/tool/power-analysis-calculator): Calculate required sample size or statistical power for a two-sample t-test given effect size (Cohen's d), significance level (alpha), power (1-beta), and allocation ratio. Uses the normal approxim… - [PPV and NPV Calculator](https://top10k.com/tool/ppv-npv-calculator): Calculate Positive Predictive Value (PPV) and Negative Predictive Value (NPV) from a test's sensitivity, specificity, and disease prevalence. - [Relative Risk Calculator](https://top10k.com/tool/relative-risk-calculator): Calculates relative risk (risk ratio), odds ratio, absolute risk reduction, and number needed to treat from a 2x2 contingency table. - [RMSE Calculator](https://top10k.com/tool/rmse-calculator): Calculates Root Mean Square Error (RMSE) between observed and predicted values, with per-row squared error breakdown. - [ROC AUC Explainer](https://top10k.com/tool/roc-auc-explainer): Interactive ROC curve visualizer that computes AUC from confusion matrix inputs (TP, FP, TN, FN) and plots the ROC curve using Chart.js. - [Sample Size Calculator for Comparing Means](https://top10k.com/tool/sample-size-means): Calculates the required sample size per group for detecting a difference between two group means, given significance level, statistical power, standard deviation, and effect size. - [Sample Size for Proportion](https://top10k.com/tool/sample-size-proportion): Calculates the required sample size to estimate a population proportion with a given confidence level and margin of error using the standard formula n = z² × p(1-p) / e². - [Sensitivity & Specificity Calculator](https://top10k.com/tool/sensitivity-specificity-calculator): Calculates diagnostic test performance metrics (sensitivity, specificity, PPV, NPV, accuracy, F1) from a 2x2 confusion matrix. - [Spearman Rank Correlation Calculator](https://top10k.com/tool/spearman-correlation): Computes Spearman's rank correlation coefficient (rho) for two datasets, showing the strength and direction of the monotonic relationship on a scale from -1 to +1. - [Z-Score Standardization Calculator](https://top10k.com/tool/standardization-z-score) - [Two-Way ANOVA Calculator](https://top10k.com/tool/two-way-anova) - [Wilcoxon Signed-Rank Test Calculator](https://top10k.com/tool/wilcoxon-signed-rank): Performs the Wilcoxon signed-rank test on paired samples or a single sample against a hypothesized median, computing the W statistic and approximate p-value. ## Geography Tools (58) - [Area By Coordinates](https://top10k.com/tool/area-by-coordinates): Calculates the area of a polygon defined by a list of coordinate pairs using the Shoelace formula. Supports both planar (x, y) and geographic (latitude, longitude) coordinates. - [Argentina Country Facts](https://top10k.com/tool/argentina-country-facts): Quick-reference fact sheet for Argentina — capital, population, area, official language, currency, government, GDP, and key geographic facts. - [Argentina Time Zones Overview](https://top10k.com/tool/argentina-time-zones): Reference page showing all time zones used in Argentina (ART, UTC-3) with a live clock and coverage of major cities including Buenos Aires, Cordoba, and Mendoza. - [Bangladesh Country Facts](https://top10k.com/tool/bangladesh-country-facts): Quick-reference fact sheet for Bangladesh — capital, population, area, official language, currency, government, GDP, time zone, and key geographic and cultural statistics. - [Bangladesh Time Zones Overview](https://top10k.com/tool/bangladesh-time-zones): Reference page for Bangladesh Standard Time (BST, UTC+6), with a live clock, UTC converter, and comparison to major world cities. - [Centroid of Polygon Calculator](https://top10k.com/tool/centroid-of-polygon): Computes the geometric centroid (center of mass) of a polygon from a list of (x, y) vertex coordinates using the standard signed-area centroid formula. - [Current Time in Dhaka](https://top10k.com/tool/current-time-in-dhaka): Displays the current local time in Dhaka, Bangladesh (UTC+6), with a live clock and converter for other time zones. - [Egypt Country Facts](https://top10k.com/tool/egypt-country-facts): Reference page with key facts about Egypt: capital, population, area, currency, language, government, and geographic details. - [Egypt Time Zones Overview](https://top10k.com/tool/egypt-time-zones): Reference page showing Egypt's current EET or EEST offset, local time, DST history, and a world-clock comparison widget. - [Geoid Height Calculator](https://top10k.com/tool/geoid-height-calculator): Estimates the geoid undulation (separation between ellipsoid height and orthometric height) using a simplified EGM96 model lookup table approach, enabling GPS-to-elevation height conversions. - [Grade Percentage Survey Calculator](https://top10k.com/tool/grade-percentage-survey): Convert surveying grade percentage to degrees and ratio, and vice versa, for slope and road gradient calculations. - [Grid Convergence Calculator](https://top10k.com/tool/grid-convergence-calculator): Calculates the grid convergence angle (meridian convergence) between true north and UTM grid north using WGS84 ellipsoidal series, with step-by-step math and interactive bearing conversion. - [Indonesia Country Facts](https://top10k.com/tool/indonesia-country-facts): A reference card and quick-facts tool for Indonesia — displays key stats (area, population, capital, currency, timezone, calling code, GDP, government) in an organized, searchable layout. - [Indonesia Time Zones](https://top10k.com/tool/indonesia-time-zones): Display Indonesia's three time zones (WIB UTC+7, WITA UTC+8, WIT UTC+9) with live current times and a converter between zones. - [Italy Country Facts](https://top10k.com/tool/italy-country-facts): Quick-reference fact sheet for Italy — capital, population, area, official language, currency, government, GDP, and key geographic facts. - [Italy Time Zones Overview](https://top10k.com/tool/italy-time-zones): Shows the current time in Italy (CET/CEST), explains Italy's single time zone, and provides a live world-clock converter so users can compare Italy's time to their own or other major cities. - [Malaysia Country Facts](https://top10k.com/tool/malaysia-country-facts): A reference card and quick-facts tool for Malaysia — displays key stats (area, population, capital Kuala Lumpur, currency MYR, languages, calling code +60, time zone MYT UTC+8, and key statistics) … - [Malaysia Time Zones Overview](https://top10k.com/tool/malaysia-time-zones): Overview of Malaysia's single time zone (MYT, UTC+8) with current local time and city reference table. - [Map Distance Calculator](https://top10k.com/tool/map-distance-calculator): Converts between map distance and real-world distance given a map scale. Supports metric and imperial units with common scale presets for topographic, city, road, and world maps. - [Map Scale Calculator](https://top10k.com/tool/map-scale-calculator): Calculate real-world distance from a map measurement and scale ratio, or find the map scale from a known real-world distance and map distance. - [Mexico Country Facts](https://top10k.com/tool/mexico-country-facts): Quick-reference fact sheet for Mexico — capital, population, area, official language, currency, government, GDP, and key geographic facts. - [Mexico Time Zones Overview](https://top10k.com/tool/mexico-time-zones): Shows current local times across Mexico’s Central, Mountain, Pacific-border, and Eastern zones, including the northern-border seasonal rules. - [Netherlands Country Facts](https://top10k.com/tool/netherlands-country-facts): Quick-reference fact sheet for the Netherlands — capital, population, area, official language, currency, government, GDP, and key geographic facts. - [Netherlands Time Zones Overview](https://top10k.com/tool/netherlands-time-zones): Shows current local time across the Netherlands and its overseas territories (Amsterdam, Aruba, Curacao, Sint Maarten, etc.), with live clock and UTC offset reference. - [New Zealand Country Facts](https://top10k.com/tool/new-zealand-country-facts): Quick-reference fact sheet for New Zealand — capital, population, area, official languages, currency, government, GDP, and key geographic and cultural statistics. - [New Zealand Time Zones Overview](https://top10k.com/tool/new-zealand-time-zones): Reference page showing New Zealand's time zones (NZST/NZDT) with live clocks for Auckland, Wellington, and Chatham Islands, plus a world city comparison table and time converter. - [Nigeria Country Facts](https://top10k.com/tool/nigeria-country-facts): A reference card and quick-facts tool for Nigeria — displays key stats (area, population, capital, currency, timezone, calling code, GDP, government) in an organized, searchable layout. - [Nigeria Time Zones Overview](https://top10k.com/tool/nigeria-time-zones): Display current time in Nigeria (WAT, UTC+1), show major Nigerian cities with their current local time, and allow time conversion between WAT and other common time zones — all client-side using JS … - [Norway Country Facts](https://top10k.com/tool/norway-country-facts): Quick-reference fact sheet for Norway — capital, population, area, official language, currency, government, GDP, oil wealth, and key geographic and cultural statistics. - [Norway Time Zones Overview](https://top10k.com/tool/norway-time-zones): Shows current local time in Norway (CET/CEST), UTC offset, DST schedule, and a world city comparison table with a built-in time converter. - [Pakistan Country Facts](https://top10k.com/tool/pakistan-country-facts): Key facts, statistics, and data about Pakistan — capital, population, area, language, currency, government, and more. - [Pakistan Time Zones Overview](https://top10k.com/tool/pakistan-time-zones): Reference page for Pakistan Standard Time (PKT, UTC+5), with a live clock and comparison to common world cities. - [Perimeter by Coordinates](https://top10k.com/tool/perimeter-by-coordinates): Calculates the perimeter of a polygon defined by a list of (x, y) coordinate pairs using the Euclidean distance formula between consecutive vertices. - [Philippines Country Facts](https://top10k.com/tool/philippines-country-facts): A reference card and quick-facts tool for the Philippines — displays key stats (area, population, capital, currency, timezone, calling code, GDP, government) in an organized, searchable layout. - [Philippines Time Zones Overview](https://top10k.com/tool/philippines-time-zones): Shows current time in the Philippines (PST, UTC+8), lists major cities with local clock, and converts any time from a selected world timezone to Philippine Standard Time. - [Poland Country Facts](https://top10k.com/tool/poland-country-facts): Quick-reference fact card for Poland — capital, population, area, currency, language, calling code, and key statistics. - [Poland Time Zones Overview](https://top10k.com/tool/poland-time-zones): Shows current local time in Poland (CET/CEST), UTC offset, DST schedule, and a world city comparison table with a built-in time converter. - [Russia Time Zones Overview](https://top10k.com/tool/russia-time-zones): Interactive reference showing all 11 Russian time zones with current local times, UTC offsets, major cities, and a converter to compare time across Russian zones. - [Saudi Arabia Country Facts](https://top10k.com/tool/saudi-arabia-country-facts): Reference page with key facts about Saudi Arabia: capital, population, area, currency, language, government, and geographic details. - [Saudi Arabia Time Zones Overview](https://top10k.com/tool/saudi-arabia-time-zones): Reference page for Saudi Arabia Standard Time (AST, UTC+3) with current time display and a time converter for scheduling calls with other regions. - [Singapore Country Facts](https://top10k.com/tool/singapore-country-facts): A reference card and quick-facts tool for Singapore — displays key stats (area, population, capital, currency SGD, languages, calling code +65, time zone SGT UTC+8, and key statistics) in an organi… - [Singapore Time Zones Overview](https://top10k.com/tool/singapore-time-zones): Shows Singapore's single time zone (SGT, UTC+8), current local time, and a world-clock comparison table showing what time it is in major cities when it is a given time in Singapore. - [South Africa Country Facts](https://top10k.com/tool/south-africa-country-facts): Reference page with key facts about South Africa: capitals, population, area, currency, languages, government, and geographic details. - [South Korea Country Facts](https://top10k.com/tool/south-korea-country-facts): A reference card with key facts about South Korea — capital, population, area, currency, language, government type, GDP, major cities, and cultural highlights — presented in a clean, searchable car… - [South Korea Time Zones Overview](https://top10k.com/tool/south-korea-time-zones): Displays current time in South Korea (KST, UTC+9) and converts between KST and other major world time zones. - [Spain Country Facts](https://top10k.com/tool/spain-country-facts): Quick-reference fact card for Spain covering capital, population, area, currency, language, government, GDP, and key geographic highlights. - [Spain Time Zones Overview](https://top10k.com/tool/spain-time-zones): Shows current local time in Spain's two time zones (CET/CEST for mainland and Balearic Islands, WET/WEST for the Canary Islands), with live clocks and UTC offset info. - [Sweden Country Facts](https://top10k.com/tool/sweden-country-facts): Quick-reference fact sheet for Sweden — capital, population, area, official language, currency, government, GDP, and key geographic and cultural statistics. - [Sweden Time Zones Overview](https://top10k.com/tool/sweden-time-zones): Displays the current time in Sweden (CET/CEST) with a live clock, explains Sweden's single time zone, and lets you convert Sweden's time to major world cities. - [Thailand Country Facts](https://top10k.com/tool/thailand-country-facts): A reference card and quick-facts tool for Thailand — displays key stats (area, population, capital, currency, timezone, calling code, GDP, HDI) in an organized, searchable layout. - [Thailand Time Zones Overview](https://top10k.com/tool/thailand-time-zones): Shows the current time in Thailand (ICT, UTC+7), with a converter to compare with other world time zones. - [Turkey Country Facts](https://top10k.com/tool/turkey-country-facts): A reference card displaying key facts and statistics about Turkey (Turkiye) — geography, population, capital, currency, language, government, economy, and more. - [Turkey Time Zones Overview](https://top10k.com/tool/turkey-time-zones): Reference page for Turkey's single time zone (TRT, UTC+3), shows current local time in Turkey, major city clocks, and a converter from any UTC offset to Turkey time. - [UAE Country Facts](https://top10k.com/tool/uae-country-facts): Quick-reference facts and statistics about the United Arab Emirates: capital, population, area, currency, language, time zone, government, and more. - [UAE Time Zones Overview](https://top10k.com/tool/uae-time-zones): Reference page for the United Arab Emirates time zone (GST, UTC+4), with a live clock and comparison to common world cities. - [UTM Zone Finder](https://top10k.com/tool/utm-zone-finder): Finds the UTM (Universal Transverse Mercator) zone number and band letter for any latitude/longitude coordinate pair, with hemisphere and central meridian info. - [Vietnam Country Facts](https://top10k.com/tool/vietnam-country-facts): A reference card and quick-facts tool for Vietnam — displays key stats (area, population, capital, currency, timezone, calling code, GDP, HDI) in an organized, searchable layout. - [Vietnam Time Zones Overview](https://top10k.com/tool/vietnam-time-zones): Shows the current time in Vietnam (ICT, UTC+7), live clocks for major Vietnamese cities, and a world-clock comparison table for traveler and business reference. ## Reference Tools (46) - [1080P Resolution Reference](https://top10k.com/tool/1080p-resolution-reference): Complete reference for 1080p (Full HD) resolution — specs table (1920x1080, aspect ratio, pixel count, bit depths, common framerates), comparison to 720p and 4K, bitrate guidelines, file size estim… - [1440P Resolution Reference](https://top10k.com/tool/1440p-resolution-reference): Complete reference for 1440p (QHD / Quad HD) resolution — specs table (2560x1440, aspect ratio, pixel count), comparison with 1080p and 4K, bitrate guidelines, file size estimates, PPI calculator, … - [4K Resolution Reference](https://top10k.com/tool/4k-resolution-reference): 3840 × 2160 is consumer 4K UHD: 8,294,400 pixels at 16:9. Calculate aspect ratio, megapixels, PPI and bitrate-based storage, with UHD/DCI distinctions and sourced YouTube upload rates. - [720P Resolution Reference](https://top10k.com/tool/720p-resolution-reference): Complete reference for 720p HD resolution (1280x720): pixel count, aspect ratio, bitrate guidelines, file size estimates, PPI calculator, and side-by-side comparison with 480p, 1080p, and 4K. - [8K Resolution Reference](https://top10k.com/tool/8k-resolution-reference): Complete reference for 8K resolution (7680x4320) — pixel dimensions, aspect ratios, pixel counts, file sizes, display specifications, and comparison with 4K and lower resolutions. - [April Birth Flower](https://top10k.com/tool/april-birth-flower): Informational reference page about the birth flowers for April — the Daisy (Bellis perennis) and Sweet Pea (Lathyrus odoratus) — covering meanings, symbolism, colors, growing tips, and gift ideas. - [April Birthstone](https://top10k.com/tool/april-birthstone): Informational reference page about April's birthstones — diamond (primary) and white topaz (alternative) — covering properties, meaning, Mohs hardness, history, care tips, and gift ideas. Includes … - [32:9 Aspect Ratio Calculator](https://top10k.com/tool/aspect-ratio-32-9): Calculate width or height for the 32:9 ultrawide aspect ratio. Enter one dimension to instantly get the other, plus a reference table of common 32:9 resolutions. - [August Birth Flower](https://top10k.com/tool/august-birth-flower): Reference page showing the birth flowers for August — the poppy and gladiolus — with meanings, symbolism, colors, and gifting ideas. - [August Birthstone](https://top10k.com/tool/august-birthstone): Informational reference page for August's birthstones — peridot (primary), spinel (modern), and sardonyx (traditional) — covering color, meaning, history, Mohs hardness, origins, care tips, and gif… - [December Birth Flower](https://top10k.com/tool/december-birth-flower): Reference page for December birth flowers — Holly and Narcissus — covering symbolism, color varieties, fun facts, and care tips. - [December Birthstone](https://top10k.com/tool/december-birthstone): Informational reference for December's three birthstones — Turquoise, Tanzanite, and Zircon — covering their color, meaning, hardness, and origin. - [Dye Bath Ratio Calculator](https://top10k.com/tool/dye-bath-ratio): Calculate the liquor ratio (water volume to fabric weight) for textile dyeing. Enter fabric weight and target ratio to get the exact water volume needed. - [February Birth Flower](https://top10k.com/tool/february-birth-flower): Informational reference page about the February birth flowers (violet and primrose) with meanings, symbolism, and growing tips. - [February Birthstone](https://top10k.com/tool/february-birthstone): Informational reference page about the February birthstone — Amethyst — covering its color, history, symbolism, hardness (Mohs scale), care tips, and gift ideas for February birthdays. - [Generation Finder](https://top10k.com/tool/generation-finder): Determines which generational cohort (Silent Generation, Baby Boomer, Gen X, Millennial, Gen Z, Gen Alpha) a person belongs to based on their birth year. - [January Birth Flower](https://top10k.com/tool/january-birth-flower): Reference page for the January birth flowers (Carnation and Snowdrop) — meanings, colors, care tips, and a month picker to look up any month's birth flower. - [January Birthstone](https://top10k.com/tool/january-birthstone): Reference page describing Garnet as the January birthstone — color, meaning, history, care tips, and variety guide. - [July Birth Flower](https://top10k.com/tool/july-birth-flower): Informational reference page about the birth flowers for July — Larkspur (primary) and Water Lily (secondary) — covering symbolism, history, growing tips, and gift ideas. - [July Birthstone](https://top10k.com/tool/july-birthstone): Informational reference page for July's birthstone — ruby (primary) and carnelian (alternative) — covering history, symbolism, Mohs hardness, origins, care tips, and gift ideas. - [June Birth Flower](https://top10k.com/tool/june-birth-flower): Informational reference page about the birth flowers for June — the Rose (primary) and Honeysuckle (secondary) — covering symbolism, history, growing tips, and gift ideas. - [June Birthstone](https://top10k.com/tool/june-birthstone): Reference page for June's three birthstones — pearl, alexandrite, and moonstone — covering history, meaning, colors, and gift ideas; static informational page with a clean card layout. - [Lunar Phase By Date](https://top10k.com/tool/lunar-phase-by-date): Calculate the lunar phase for any date — new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, or waning crescent. - [March Birth Flower](https://top10k.com/tool/march-birth-flower): Informational reference page about the birth flowers for March — the daffodil (primary) and the jonquil (secondary) — covering meanings, symbolism, colors, growing tips, and gift ideas. - [March Birthstone](https://top10k.com/tool/march-birthstone): Informational reference page about March's birthstones — aquamarine (modern) and bloodstone (traditional) — covering properties, meaning, history, and gift ideas. - [May Birth Flower](https://top10k.com/tool/may-birth-flower): Reference page for the May birth flowers — Lily of the Valley and Hawthorn — covering symbolism, meanings, colors, care tips, and gifting ideas. - [Metal Melting Point Reference](https://top10k.com/tool/metal-melting-point-reference) - [Milestone Date Finder](https://top10k.com/tool/milestone-date-finder): Find the exact calendar date that falls N days, weeks, months, or years from any starting date. Useful for project deadlines, anniversaries, and goal tracking. - [Next Birthday Countdown](https://top10k.com/tool/next-birthday-countdown): Calculates exactly how many days, hours, minutes, and seconds until a person's next birthday given their birth date, and shows their current age and upcoming birthday date. - [November Birth Flower](https://top10k.com/tool/november-birth-flower): Informational reference page for November birth flowers — Chrysanthemum and Peony — covering symbolism, colors, care tips, and gift ideas. - [November Birthstone](https://top10k.com/tool/november-birthstone): Informational reference for November's two birthstones — Topaz and Citrine — covering their meaning, color, history, and gift ideas. - [October Birth Flower](https://top10k.com/tool/october-birth-flower): Displays the birth flowers for October — Marigold and Cosmos — with meanings, symbolism, colors, and fun facts in a reference card layout. - [October Birthstone](https://top10k.com/tool/october-birthstone): Informational reference page about October's birthstones — Opal and Tourmaline — covering their meanings, history, colors, and care tips. - [Print Resolution Calculator](https://top10k.com/tool/print-resolution-calculator) - [QHD Resolution Reference](https://top10k.com/tool/qhd-resolution-reference): Static reference page covering QHD (2560x1440) display resolution specs, pixel density calculator, aspect ratio info, and comparison with other common resolutions. - [Ramadan Date Calculator](https://top10k.com/tool/ramadan-date-calculator): Shows the start and end dates of Ramadan for any year from 2020 to 2040 using pre-computed astronomical new moon data, and calculates how many days remain until the next Ramadan. - [Ring Size Converter](https://top10k.com/tool/ring-size-converter-jewelry) - [September Birth Flower](https://top10k.com/tool/september-birth-flower): Learn about the birth flowers for September — Aster and Morning Glory — including their meanings, symbolism, history, and interesting facts. - [September Birthstone](https://top10k.com/tool/september-birthstone): Informational reference page about September's birthstone — sapphire — covering color, meaning, history, Mohs hardness, famous stones, care tips, and gift ideas for September birthdays. - [South Africa Time Zones Overview](https://top10k.com/tool/south-africa-time-zones) - [Time Since Event Calculator](https://top10k.com/tool/time-since-event): Calculate the exact elapsed time since any past date — in years, months, days, hours, minutes, and seconds — with a live updating counter. - [UHD Resolution Reference](https://top10k.com/tool/uhd-resolution-reference): Static reference page covering UHD/4K (3840x2160) display resolution specs, pixel density calculator, aspect ratio info, and comparison with other common resolutions. - [VGA Resolution Reference](https://top10k.com/tool/vga-resolution-reference): Reference page for the VGA display resolution standard (640x480 pixels), covering specs, aspect ratio, pixel count, and historical context. - [Wedding Guest Estimator](https://top10k.com/tool/wedding-guest-estimator): Estimates wedding guest counts, seating arrangements, and catering quantities based on invite list size and RSVP rate. - [WXGA Resolution Reference](https://top10k.com/tool/wxga-resolution-reference): Reference page for the WXGA display resolution standard (1280x800 pixels, 16:10 aspect ratio) with specs, pixel density calculator, and comparison table against other common resolutions. - [XGA Resolution Reference](https://top10k.com/tool/xga-resolution-reference): Reference page for the XGA display resolution standard (1024x768 pixels, 4:3 aspect ratio) with specs, pixel density calculator, and comparison table against other common resolutions. ## Economics Tools (2) - [Equilibrium Price Calculator](https://top10k.com/tool/equilibrium-price-calculator) - [Gini Coefficient Calculator](https://top10k.com/tool/gini-coefficient-calculator) ## Accounting Tools (13) - [Book-to-Market Ratio Calculator](https://top10k.com/tool/book-to-market-ratio): Calculates the book-to-market (B/M) ratio from book value of equity and market capitalization, and interprets whether the stock appears value or growth oriented. - [Contribution Margin Calculator](https://top10k.com/tool/contribution-margin-calc): Calculates contribution margin, contribution margin ratio, and break-even point given selling price, variable cost, and fixed costs. - [Cost of Goods Sold Detail Calculator](https://top10k.com/tool/cost-of-goods-sold-detail): Calculates COGS using beginning inventory + purchases - ending inventory, with a line-item cost breakdown for each purchase or expense. - [Dividend Payout Ratio Calculator](https://top10k.com/tool/dividend-payout-ratio): Calculates the dividend payout ratio (dividends paid divided by net income) and retention ratio to evaluate how much of earnings are distributed to shareholders. - [Earnings Per Share Calc](https://top10k.com/tool/earnings-per-share-calc): Calculates basic and diluted earnings per share (EPS) from net income, preferred dividends, and share counts. - [Financial Leverage Calculator](https://top10k.com/tool/financial-leverage-calc): Calculates financial leverage ratios including debt-to-equity, equity multiplier, and degree of financial leverage to assess a company's capital structure risk. - [Gross Profit Method](https://top10k.com/tool/gross-profit-method): Estimate ending inventory value using the gross profit percentage method. Enter beginning inventory, purchases, net sales, and gross profit rate to get estimated COGS and ending inventory. - [LIFO Inventory Calculator](https://top10k.com/tool/lifo-inventory-calculator): Calculates ending inventory value and cost of goods sold using the Last-In, First-Out (LIFO) inventory costing method. - [Operating Leverage Calculator](https://top10k.com/tool/operating-leverage-calc): Calculates the Degree of Operating Leverage (DOL) from contribution margin and EBIT, showing how a percentage change in sales amplifies the percentage change in operating income. - [Price-to-Earnings Ratio Calculator](https://top10k.com/tool/price-earnings-ratio): Calculate the P/E ratio of any stock from its share price and earnings per share. Includes value vs. growth classification and sector context. - [Retained Earnings Calculator](https://top10k.com/tool/retained-earnings-calculator): Calculates ending retained earnings from beginning balance, net income, and dividends paid. Supports multiple periods and shows a running statement of retained earnings. - [Return on Equity Calculator](https://top10k.com/tool/return-on-equity-calculator): Calculate ROE (Return on Equity) as Net Income divided by Shareholders' Equity, with a full DuPont decomposition breakdown showing profit margin, asset turnover, and financial leverage. - [Weighted Average Inventory](https://top10k.com/tool/weighted-average-inventory): Calculates weighted average cost per unit for inventory valuation using multiple purchase lots. ## Acoustics Tools (7) - [A-Weighting Calculator](https://top10k.com/tool/a-weighting-calculator): Applies A-weighting filter to convert unweighted sound pressure level (dB) to A-weighted dB(A) at a given frequency. - [Helmholtz Resonator Calculator](https://top10k.com/tool/helmholtz-resonator-calculator): Calculates the resonant frequency of a Helmholtz resonator given cavity volume, neck length, and neck diameter. - [Noise Reduction Calculator](https://top10k.com/tool/noise-reduction-calculator): Calculates the noise reduction (NR) in decibels achieved by a wall or partition given transmission loss and room absorption. - [Octave Band Calculator](https://top10k.com/tool/octave-band-calculator): Calculates center frequencies and upper/lower band limits for octave and 1/3-octave frequency bands used in acoustic analysis. - [Resonant Frequency of a Tube](https://top10k.com/tool/resonant-frequency-tube): Calculates the resonant frequencies (harmonics) of open and closed tubes given tube length and the speed of sound. - [Sound Transmission Class Calculator](https://top10k.com/tool/sound-transmission-class): Calculates Sound Transmission Class (STC) rating for walls and partitions and looks up minimum STC requirements by building type and space separation per ASTM E413. - [Wavelength of Sound Calculator](https://top10k.com/tool/wavelength-of-sound): Calculates the wavelength of a sound wave given its frequency and the speed of sound in a given medium. ## Aerospace Tools (7) - [Ballistic Coefficient Calculator](https://top10k.com/tool/ballistic-coefficient): Calculates the ballistic coefficient (BC) of a projectile from its mass, diameter, and drag coefficient. - [Hohmann Transfer Calculator](https://top10k.com/tool/hohmann-transfer-calculator): Calculates delta-v, transfer orbit semi-major axis, and travel time for a Hohmann orbital transfer between two circular orbits. - [Nozzle Expansion Ratio Calculator](https://top10k.com/tool/nozzle-expansion-ratio): Calculates the nozzle area expansion ratio for rocket and jet engine nozzles using isentropic flow relations and the Mach number. - [Orbital Velocity Calculator](https://top10k.com/tool/orbital-velocity-aero): Calculates circular orbital velocity, orbital period, and altitude above Earth for a spacecraft given its orbital radius using the vis-viva equation and Newton's law of gravitation. - [Reynolds Number Airfoil Calculator](https://top10k.com/tool/reynolds-number-airfoil): Calculates the Reynolds number for an airfoil given flow velocity, chord length, and kinematic viscosity to determine the flow regime (laminar, transitional, or turbulent). - [Specific Fuel Consumption Calculator](https://top10k.com/tool/specific-fuel-consumption): Calculates specific fuel consumption (SFC) for aircraft engines — fuel flow rate divided by thrust or power output, in both metric and imperial units. - [Thrust-to-Weight Ratio Calculator](https://top10k.com/tool/thrust-to-weight-ratio): Calculates the thrust-to-weight ratio of an aircraft or rocket, a key performance metric in aerospace engineering. ## Anesthesia Tools (7) - [Aldrete Recovery Score](https://top10k.com/tool/aldrete-recovery-score): Calculates the modified Aldrete post-anesthesia recovery score from activity, respiration, circulation, consciousness, and oxygen saturation criteria. - [El-Ganzouri Airway Risk Index](https://top10k.com/tool/el-ganzouri-airway): Scores the El-Ganzouri multivariate risk index for difficult laryngoscopy and intubation based on 7 clinical parameters including mouth opening, thyromental distance, and Mallampati class. - [Endotracheal Tube Size Calculator](https://top10k.com/tool/endotracheal-tube-size): Calculates the recommended endotracheal tube (ETT) internal diameter for pediatric patients using age-based formulas (Cole, Motoyama), with cuffed vs uncuffed options. - [Fluid Deficit NPO Calculator](https://top10k.com/tool/fluid-deficit-npo): Calculates estimated fluid deficit in a patient who has been NPO (nil per os / nothing by mouth) prior to surgery, for anesthesia fluid management and replacement planning. - [Induction Dose Calculator](https://top10k.com/tool/induction-dose-calculator): Calculates weight-based induction doses for common anesthetic agents (propofol, ketamine, etomidate) given patient weight and agent selection. - [Local Anesthetic Toxicity Calculator](https://top10k.com/tool/local-anesthetic-toxicity): Calculates maximum safe dose of local anesthetics (lidocaine, bupivacaine, ropivacaine, etc.) based on patient weight to help avoid systemic toxicity. For educational reference only. - [MAC Anesthetic Helper](https://top10k.com/tool/mac-anesthetic-helper): Educational age-adjusted MAC reference for isoflurane, sevoflurane and desflurane using the published exponential age relationship. ## Astrophysics Tools (20) - [Absolute Magnitude Calculator](https://top10k.com/tool/absolute-magnitude-calculator): Calculates the absolute magnitude of a star or celestial object from its apparent magnitude and distance in parsecs using the distance modulus formula. - [Apparent Magnitude Calculator](https://top10k.com/tool/apparent-magnitude-calculator): Calculates the apparent magnitude of a star or celestial object from its absolute magnitude and distance in parsecs using the distance modulus formula. - [Blackbody Temperature of a Star](https://top10k.com/tool/blackbody-temperature-star): Estimates a star's surface temperature from its peak emission wavelength using Wien's displacement law, and shows the corresponding color on the visible spectrum. - [Cosmic Scale Factor Calculator](https://top10k.com/tool/cosmic-scale-factor): Calculates the cosmic scale factor a(z) relating the size of the universe at a given redshift to its current size, and converts between redshift, scale factor, and lookback time. - [Critical Density of the Universe Calculator](https://top10k.com/tool/critical-density-universe): Calculates the critical density of the universe from the Hubble constant, showing whether the universe is open, flat, or closed based on the density parameter Omega. - [Cyclotron Frequency Calculator](https://top10k.com/tool/cyclotron-frequency): Calculates the cyclotron frequency (gyrofrequency) and gyroradius of a charged particle moving in a magnetic field. Used in plasma physics, particle accelerator design, and space physics. - [Distance Modulus Calculator](https://top10k.com/tool/distance-modulus-calculator): Calculate the distance modulus (m - M) and the distance to an astronomical object in parsecs and light-years given its apparent and absolute magnitudes. - [Hubble Time Calculator](https://top10k.com/tool/hubble-time-calculator): Calculates the Hubble time (1/H₀) as an estimate of the age of the universe from the Hubble constant, with unit conversion between km/s/Mpc and years. - [Lagrange Point Calculator](https://top10k.com/tool/lagrange-point-calculator): Calculates the five Lagrange point distances for a two-body gravitational system (e.g., Sun-Earth) given the primary mass, secondary mass, and orbital separation. - [Luminosity Distance Calculator](https://top10k.com/tool/luminosity-distance-calculator): Calculates the luminosity distance to a celestial object given its redshift using full ΛCDM numerical integration. Also converts to distance modulus and compares apparent vs absolute magnitude. - [Mean Free Path Calculator](https://top10k.com/tool/mean-free-path-calculator): Calculate the mean free path of gas particles given temperature, pressure, and molecular diameter. Based on kinetic theory of gases. - [Parsec to Light-Year Converter](https://top10k.com/tool/parsec-to-lightyear): Converts distances between parsecs, light-years, astronomical units, and kilometers with a quick-reference table for common astronomical distances. - [Particle Rest Energy Calculator](https://top10k.com/tool/particle-rest-energy): Calculates the rest energy of a particle using E=mc², converting between mass (kg, u, eV/c²) and energy (J, eV, MeV, GeV) for common particles. - [Redshift to Distance Calculator](https://top10k.com/tool/redshift-to-distance): Converts cosmological redshift (z) to comoving distance and lookback time using Hubble's law approximation for low-z and a numerical integration for higher redshifts. - [Relativistic Energy Particle Calculator](https://top10k.com/tool/relativistic-energy-particle): Calculates total relativistic energy, rest energy, and kinetic energy of a particle given its rest mass and velocity as a fraction of the speed of light. - [Solar Constant Calculator](https://top10k.com/tool/solar-constant-calculator): Calculates solar irradiance received at any distance from the Sun using the inverse-square law and the solar luminosity. - [Specific Orbital Energy Calculator](https://top10k.com/tool/specific-orbital-energy): Calculates the specific orbital energy (vis-viva energy) of an orbiting body given its velocity, gravitational parameter, and orbital radius. - [Sphere of Influence Calculator](https://top10k.com/tool/sphere-of-influence-calculator): Calculates the Hill sphere radius of a celestial body orbiting a more massive parent body; this is distinct from the Laplace sphere of influence used in patched-conic trajectory analysis. - [Stellar Parallax Calculator](https://top10k.com/tool/stellar-parallax-calculator): Converts stellar parallax angle (in arcseconds) to distance in parsecs and light-years using the parallax-distance relationship d = 1/p. - [Synchrotron Radiation Energy Calculator](https://top10k.com/tool/synchrotron-energy): Calculates synchrotron radiation power and critical photon energy for relativistic electrons spiraling in a magnetic field, used in astrophysics and accelerator physics. ## Baking Tools (10) - [Autolyse Timer](https://top10k.com/tool/autolyse-timer): Countdown timer and guide for bread autolyse rest periods. Calculates recommended autolyse duration based on flour type and hydration level, then counts down so you know exactly when to add salt an… - [Baker's Percentage Scaling Calculator](https://top10k.com/tool/baker-scaling-calculator): Scales a baking recipe up or down using baker's percentages — enter any ingredient weight and the tool recalculates all others proportionally. - [Bread Scoring Guide](https://top10k.com/tool/bread-scoring-guide): Interactive reference guide for bread scoring patterns — shows pattern types, recommended blade angles, depth, and timing relative to oven spring for artisan bread bakers. - [Enriched Dough Calculator](https://top10k.com/tool/enriched-dough-calculator): Calculates ingredient ratios for enriched bread doughs (brioche, challah, milk bread, etc.) based on baker's percentages including fat, eggs, and sugar. - [Oven Spring Helper](https://top10k.com/tool/oven-spring-helper): Helps bakers predict and optimize oven spring by analyzing dough hydration, proofing level, scoring, and oven temperature. - [Pizza Dough Calculator by Dough Balls](https://top10k.com/tool/pizza-dough-by-balls): Calculates ingredient quantities (flour, water, yeast, salt, olive oil) for a given number of pizza dough balls using baker's percentages. - [Bread Proofing Time and Temperature Calculator](https://top10k.com/tool/proofing-time-temperature): Estimates bread dough proofing time based on ambient temperature and yeast percentage, helping bakers adjust their proofing schedule. - [Salt Percentage Bread Calculator](https://top10k.com/tool/salt-percentage-bread): Calculates baker's percentage salt for bread dough — finds the right salt amount relative to flour weight for consistent flavor and fermentation control. - [Sourdough Feeding Ratio Calculator](https://top10k.com/tool/sourdough-feeding-ratio): Calculates sourdough starter feeding quantities based on desired total weight and starter-to-flour-to-water ratio. Outputs exact grams for each component. - [Yeast Conversion Calculator](https://top10k.com/tool/yeast-conversion-calculator): Converts between fresh yeast, active dry yeast, and instant yeast quantities so bakers can substitute one type for another in any recipe. ## Engine & Combustion Tools (14) - [Air-Fuel Stoichiometric Calculator](https://top10k.com/tool/air-fuel-stoichiometric): Calculates the stoichiometric air-fuel ratio (AFR) for common fuels and computes lambda (excess air coefficient) from a measured AFR. - [BMEP Calculator](https://top10k.com/tool/bmep-calculator): Calculates Brake Mean Effective Pressure (BMEP) from engine torque, displacement, and number of strokes — a key metric for comparing engine efficiency across different sizes. - [Adiabatic Combustion Temperature Calculator](https://top10k.com/tool/combustion-temperature): Estimates the adiabatic flame temperature for common fuels (methane, propane, hydrogen, gasoline) based on fuel type, air-fuel ratio, and initial reactant temperature. - [Engine Compression Ratio Calculator](https://top10k.com/tool/compression-ratio-engine): Calculates the compression ratio of an internal combustion engine from bore, stroke, clearance volume, and head gasket thickness. - [Displacement From Bore & Stroke](https://top10k.com/tool/displacement-from-bore-stroke): Calculates engine displacement from bore diameter, stroke length, and number of cylinders, supporting both metric (mm/cc) and imperial (inches/cu-in) units. - [Engine Power From Torque](https://top10k.com/tool/engine-power-from-torque): Converts engine torque and RPM to horsepower and kilowatts using the standard power formula. - [Exhaust Velocity Calculator](https://top10k.com/tool/exhaust-velocity-calc): Calculates effective exhaust velocity and specific impulse (Isp) for rocket or jet engines from chamber pressure, exit pressure, combustion temperature, and exhaust gas molecular weight using the i… - [Fuel Energy Content Calculator](https://top10k.com/tool/fuel-energy-content): Calculates total energy content (MJ or BTU) for a given quantity of common fuels (gasoline, diesel, LPG, natural gas, ethanol, hydrogen, biodiesel) using tabulated lower heating value (LHV) and hig… - [Intercooler Efficiency Calculator](https://top10k.com/tool/intercooler-efficiency): Calculates intercooler thermal efficiency, outlet air temperature, and air density ratio given inlet temperature, ambient temperature, and boost pressure. - [Octane Blend Calculator](https://top10k.com/tool/octane-blend-calculator): Calculates the resulting octane rating when blending two fuels (e.g., 87 and 93 octane) in specific volume ratios. - [Brake-Specific Fuel Consumption Calculator](https://top10k.com/tool/specific-fuel-consumption-engine): Calculates brake-specific fuel consumption (BSFC), required fuel flow, or brake power across metric and SAE units, with optional brake thermal efficiency and operating-point documentation. - [Thermal Efficiency of Heat Engine](https://top10k.com/tool/thermal-efficiency-engine): Calculates thermal efficiency for Carnot, Otto, Diesel, and Brayton cycles, plus actual efficiency from measured work output and heat input. - [Valve Overlap Calculator](https://top10k.com/tool/valve-overlap-calculator): Calculates valve overlap duration and angle for internal combustion engines given intake and exhaust cam timing parameters. - [Volumetric Efficiency Calculator](https://top10k.com/tool/volumetric-efficiency): Calculates engine volumetric efficiency from actual vs. theoretical air mass flow at a given RPM and displacement. ## Marine Tools (23) - [Anchor Chain Length Calculator](https://top10k.com/tool/anchor-chain-length): Calculates the recommended anchor chain or rode scope for a vessel based on water depth, freeboard, wind/sea conditions, and anchor type. - [Anchor Scope Calculator](https://top10k.com/tool/anchor-scope-calculator): Calculates the required anchor rode (chain/rope) length based on water depth, freeboard height, and desired scope ratio (typically 5:1 to 7:1) for safe anchoring. - [Ballast Calculator](https://top10k.com/tool/ballast-calculator): Calculates required ballast weight for a vessel to achieve target draft and trim, given hull displacement, cargo weight, and center-of-gravity position. - [Beaufort Scale Reference](https://top10k.com/tool/beaufort-scale-reference): Interactive Beaufort wind force scale table showing all 13 forces with wind speed in knots, mph, and km/h, sea state descriptions, and land effects. Includes a live wind-speed-to-force lookup. - [Block Coefficient Calculator](https://top10k.com/tool/block-coefficient-calc): Calculates the block coefficient (Cb) of a ship hull — the ratio of the displaced volume to the volume of its bounding box — used in naval architecture to assess hull form efficiency. - [Depth Sounder Converter](https://top10k.com/tool/depth-sounder-converter): Converts depth sounder readings between fathoms, feet, and meters — the three units used on nautical charts and fish finders. - [Displacement Hull Speed Calculator](https://top10k.com/tool/displacement-hull-speed-calculator): Calculates the theoretical hull speed of a displacement vessel from its waterline length using the 1.34 × √LWL formula, with results in knots and km/h. - [Marine Engine Power Calculator](https://top10k.com/tool/engine-power-marine): Estimates planing-hull power with the Crouch formula and gives a conservative installed-engine guideline for displacement boats, with a speed-length feasibility check. - [Freeboard Calculator](https://top10k.com/tool/freeboard-calculator): Calculates the minimum freeboard (distance from waterline to deck) for a vessel based on its dimensions and load line rules. - [Boat Fuel Range Calculator](https://top10k.com/tool/fuel-range-calculator-boat): Calculates a boat's estimated range in nautical miles given tank capacity, fuel burn rate, and a reserve percentage. Shows time underway and fuel remaining at destination. - [Knot Tying Guide](https://top10k.com/tool/knot-tying-guide): Interactive reference guide covering 12 essential marine and sailing knots with step-by-step text instructions, use cases, and a filterable card layout by category. - [Knots to MPH Converter](https://top10k.com/tool/knots-to-mph-marine): Convert nautical knots to miles per hour, kilometers per hour, meters per second, and feet per second. Includes Beaufort wind scale classification for the entered speed. - [Latitude/Longitude Marine Coordinate Converter](https://top10k.com/tool/latitude-longitude-marine): Converts between decimal degrees and degrees-minutes-seconds (DMS) format for marine navigation coordinates, with hemisphere selector and NMEA-style output. - [Metacentric Height Calculator](https://top10k.com/tool/metacentric-height): Calculate transverse metacentric height (GM) from rectangular waterplane area and beam, displaced volume, KB, and KG. - [Propeller Pitch Calculator](https://top10k.com/tool/propeller-pitch-calc): Calculates theoretical boat speed from propeller pitch, diameter, and RPM; computes propeller slip percentage from actual vs theoretical speed; and helps boaters select optimal propeller pitch for … - [Marine Fuel Range Calculator](https://top10k.com/tool/range-from-fuel-marine): Calculates a vessel's cruising range from total fuel capacity, fuel consumption rate (gallons/hour or liters/hour), and cruising speed (knots or mph), with safety reserve presets and dual-unit output. - [Rope Length Calculator](https://top10k.com/tool/rope-length-calculator): Calculates the required anchor rode (rope/chain) length for a given water depth using standard anchoring scope ratios (5:1, 7:1, 10:1), with scope ratio selector and both metric/imperial unit support. - [Sail Area Calculator](https://top10k.com/tool/sail-area-calculator): Calculates nominal mainsail, headsail, foretriangle, or generic triangular area using the correct perpendicular dimension pair. - [Sea State Reference](https://top10k.com/tool/sea-state-reference): Interactive Douglas sea-state and Beaufort wind-force reference with separate reverse lookups for significant wave height and wind speed. - [Tide Height Estimator](https://top10k.com/tool/tide-height-estimator): Estimates tide height at any time between high and low tide using the Rule of Twelfths approximation. Enter high and low tide heights and times to get the estimated water depth and tidal state at a… - [Ship Trim Calculator](https://top10k.com/tool/trim-calculator-ship): Calculates a ship's trim (fore-aft draft difference) and change of trim from shifting cargo, using MCT1cm and LCF data. - [Wetted Surface Area](https://top10k.com/tool/wetted-surface-area): Estimates a ship's wetted surface area from length, beam, draft, and displacement using the Denny–Mumford and Muragin formulas. - [Wind Chill Marine Calculator](https://top10k.com/tool/wind-chill-marine): Calculates the apparent temperature (wind chill) for marine/nautical conditions given air temperature and wind speed in knots, using the NOAA wind chill formula. ## Biomedical Engineering Tools (2) - [Blood Flow Poiseuille Calculator](https://top10k.com/tool/blood-flow-poiseuille): Calculates volumetric blood flow rate through a vessel using Poiseuille's law from radius, viscosity, pressure difference, and vessel length. - [ECG Rate Calculator](https://top10k.com/tool/ecg-rate-calculator): Calculate heart rate from ECG paper measurements using the RR interval method and the 1500 method (small squares), with support for 25 mm/s and 50 mm/s paper speeds — for educational use. ## Writing Tools (12) - [Book Page Estimator](https://top10k.com/tool/book-page-estimator): Estimate book pages from word count using an editable words-per-page assumption, format presets, and optional front/back matter. - [Citation Counter](https://top10k.com/tool/citation-counter): Counts and analyzes inline citations in academic text — detects APA, MLA, Chicago, and numeric styles; shows total count, citation density, and a list of unique sources found. - [Filler Word Finder](https://top10k.com/tool/filler-word-finder): Scans pasted text for filler words (um, uh, like, basically, actually, etc.) and highlights them with count and percentage to help writers tighten their prose. - [Keyword Frequency Writer](https://top10k.com/tool/keyword-frequency-writer): Analyzes pasted text and counts how often each keyword appears, showing frequency and percentage to help writers optimize keyword density. - [Manuscript Word Counter](https://top10k.com/tool/manuscript-word-counter): Counts words, characters, pages, and reading time for manuscript text with industry-standard page estimates (250 words/page). - [Quote Formatter](https://top10k.com/tool/quote-formatter): Format a raw text quote with proper punctuation styles (straight quotes, curly/smart quotes, guillemets, or Japanese brackets) and multiple attribution formats. Ready to paste into essays, articles… - [Readability Improver](https://top10k.com/tool/readability-improver): Analyzes pasted text for readability metrics (Flesch Reading Ease score, average sentence length, long words) and gives actionable suggestions to simplify complex sentences. - [Reading Time Calculator for Content](https://top10k.com/tool/reading-time-content): Estimates reading time for any pasted text based on average adult reading speed, with word count and character count breakdown. - [Speaking Time Script](https://top10k.com/tool/speaking-time-script): Estimates speaking time for a script based on word count and words-per-minute pace (slow, medium, fast, or custom). Paste your script directly for an instant word count and time breakdown. - [Synonym Variation Helper](https://top10k.com/tool/synonym-variation-helper): Enter a word or short phrase and get a curated list of synonyms and near-synonyms to reduce repetition in writing. - [Tone Checker Helper](https://top10k.com/tool/tone-checker-helper): Analyzes pasted text client-side and scores it across tone dimensions (formal/casual, positive/negative, assertive/tentative) based on keyword frequency analysis. - [Transcript Timestamp Tool](https://top10k.com/tool/transcript-timestamp-tool): Converts plain text transcripts to a timestamped format. Set a start time and interval (seconds per line or words per interval) and get your transcript with [HH:MM:SS] prefixes on each segment. ## Home & DIY (43) - [3D Print Cost Calculator](https://top10k.com/tool/3d-print-cost-calculator) - [3D Print Time Estimator](https://top10k.com/tool/3d-print-time-estimator) - [Appliance Energy Calculator](https://top10k.com/tool/appliance-energy-calculator): Calculates the daily, monthly, and annual electricity cost and kWh usage for a household appliance based on its wattage, hours used per day, and your local electricity rate. - [Bead Count Calculator](https://top10k.com/tool/bead-count-calculator): Calculates how many beads are needed for a project (bracelet, necklace, curtain, etc.) given the total length and the bead size (diameter), with results for single-strand and multi-strand designs. - [Blind Size Calculator](https://top10k.com/tool/blind-size-calculator): Calculates the correct blind width and drop for inside-mount or outside-mount window blinds, with deductions for inside mounts and overlap for outside mounts. - [Candle Wax Calculator](https://top10k.com/tool/candle-wax-calculator): Calculates how much wax you need to fill a candle container given its dimensions, wax type density, and fragrance oil percentage. - [CNC Feed Rate Calculator](https://top10k.com/tool/cnc-feed-rate-calculator): Calculates optimal CNC feed rate and RPM from tool diameter, flute count, cutting speed, and chip load with material presets. - [Concrete Bag Calculator](https://top10k.com/tool/concrete-bag-calculator): Calculates how many bags of concrete mix are needed to fill a given volume (slab, column, or footing) based on bag size. - [Cost of Living Comparison](https://top10k.com/tool/cost-of-living-compare): Compare estimated cost of living between two cities by entering expense categories and a cost index ratio to scale them. - [Curtain Size Calculator](https://top10k.com/tool/curtain-size-calculator): Calculate the correct curtain width and drop for any window given width, header style, and desired fullness ratio. - [Deck Stain Calculator](https://top10k.com/tool/deck-stain-calculator): Calculate how many gallons of stain you need to cover a deck based on its dimensions, wood condition, and number of coats. - [Diamond Carat to MM Converter](https://top10k.com/tool/diamond-carat-to-mm) - [Electricity Bill Calculator](https://top10k.com/tool/electricity-bill-calculator): Estimates monthly electricity cost from appliance wattage, daily hours of use, and local rate per kWh. Add multiple appliances and see a cost breakdown. - [Event Parking Calculator](https://top10k.com/tool/event-parking-calculator): Estimates parking spaces needed for an event based on attendance, carpooling rate, and parking type, with overflow and shuttle thresholds. - [Event Seating Planner](https://top10k.com/tool/event-seating-planner): Calculates the number of tables needed, seats per table, and total capacity for an event given guest count and table configuration; supports round, rectangular, and banquet-style layouts. - [Event Staff Ratio Calculator](https://top10k.com/tool/event-staff-ratio): Calculate how many staff you need for an event based on guest count, event type, and service style. Covers servers, bartenders, coat check, security, and more. - [Flow Rate from Pressure Calculator](https://top10k.com/tool/flow-rate-from-pressure): Calculate water flow rate through a pipe given inlet pressure, pipe diameter, and pipe length using the Hagen-Poiseuille equation for laminar flow. Supports both imperial and metric units. - [Furniture Fit Calculator](https://top10k.com/tool/furniture-fit-calculator): Check whether rectangular furniture fits in a room and whether one of its three axis-aligned faces clears a measured doorway opening. - [Gold Alloy Mixer](https://top10k.com/tool/gold-alloy-mixer): Calculate the proportions of fine gold and alloying metals (silver, copper, zinc) needed to achieve a target karat gold alloy from available stock metals - [Gutter Size Calculator](https://top10k.com/tool/gutter-size-calculator): Calculates the recommended gutter width and downspout size for a roof based on roof area and rainfall intensity. - [Heater Size Calculator](https://top10k.com/tool/heater-size-calculator): Calculate the BTU or wattage needed to heat a room based on room dimensions, insulation quality, and climate zone. - [Honeymoon Budget Calculator](https://top10k.com/tool/honeymoon-budget): Plan your honeymoon budget across flights, accommodation, food, activities, and shopping. See per-day costs, category breakdowns, and whether you are on track. - [Knit Stitch Gauge Calculator](https://top10k.com/tool/knit-stitch-gauge) - [Laser Cut Time Estimator](https://top10k.com/tool/laser-cut-time-estimator) - [Lawn Mowing Time Calculator](https://top10k.com/tool/lawn-mowing-time-calculator): Estimates mowing time based on lawn area, mower cutting width, and walking speed; outputs minutes and hours with overlap factor. - [LED Savings Calculator](https://top10k.com/tool/led-savings-calculator): Calculates annual energy cost savings and payback period when replacing incandescent or halogen bulbs with LED bulbs. - [Moving Box Calculator](https://top10k.com/tool/moving-box-calculator): Estimates how many moving boxes of each size you need based on room type and quantity, with a room-by-room breakdown and packing checklist. - [Paint by Volume Mixer](https://top10k.com/tool/paint-by-volume-mixer): Calculate how much of each paint color to mix by volume ratio, scale up or down for any total quantity, and estimate the coverage area of your mixed batch. - [Party Drink Calculator](https://top10k.com/tool/party-drink-calculator): Estimate total drinks, bottles, and ice needed for a party based on guest count, event duration, and drink type mix. - [Party Food Calculator](https://top10k.com/tool/party-food-calculator): Estimate food quantities needed for a party based on guest count, meal type, and duration. Get a shopping list with protein, sides, salad, bread, dessert, and drinks. - [Relocation Budget Calculator](https://top10k.com/tool/relocation-budget): Estimate your total relocation cost across moving company, travel, deposits, utility setup, and temporary housing. Track budget vs actual spend for every line item. - [Resin Mixing Calculator](https://top10k.com/tool/resin-mixing-calculator): Calculates exact resin and hardener amounts by weight or volume for epoxy, polyester, and polyurethane resins based on mix ratio and desired total quantity. - [RSVP Count Tracker](https://top10k.com/tool/rsvp-tracker): Track event RSVPs with accept, decline, and pending counts. Calculates attendance rate and estimates total headcount including plus-ones. - [Soap Lye Calculator](https://top10k.com/tool/soap-lye-calculator): Calculates the exact amount of lye (NaOH for bar soap, KOH for liquid soap) needed for soap making based on oil weights and SAP values, with superfat percentage adjustment. - [Solar Savings Home Calculator](https://top10k.com/tool/solar-savings-home): Estimates annual solar panel savings for a home based on electricity bill, system size, and local sun hours. - [Square Foot Garden Planner](https://top10k.com/tool/square-foot-garden-planner): Calculates how many plants fit in a square-foot garden grid based on plant spacing requirements and bed dimensions. - [Square Footage Needed Calculator](https://top10k.com/tool/square-footage-needed): Estimate the minimum home square footage you need based on household size, desired rooms, and lifestyle preferences. Toggle between sq ft and sq m. - [Storage Unit Size Calculator](https://top10k.com/tool/storage-unit-calculator): Helps users choose the right self-storage unit size by entering room counts or item lists and getting a recommended unit size in square feet. - [Storage Unit Size Finder](https://top10k.com/tool/storage-unit-size-finder): Helps you pick the right self-storage unit size by entering the items you need to store and getting a recommended unit size (5x5, 5x10, 10x10, 10x15, 10x20, and more). - [Utility Transfer Checklist](https://top10k.com/tool/utility-transfer-checklist): Interactive checklist for transferring utilities when moving — electricity, gas, water, internet, and more — with timing reminders and a printable summary. - [Wallpaper Roll Calculator](https://top10k.com/tool/wallpaper-roll-calculator): Calculates how many rolls of wallpaper are needed to cover a room, accounting for wall dimensions, roll size, pattern repeat, and waste. - [Water Heater Size Calculator](https://top10k.com/tool/water-heater-size-calculator): Recommends the correct water heater tank size (gallons) or tankless flow rate (GPM) based on household size, peak demand, and usage habits. - [Wood Glue Dry Time Guide](https://top10k.com/tool/wood-glue-dry-time): Shows clamp time, initial set time, and full cure time for PVA, carpenter's, polyurethane, CA, epoxy, and hide glues at various temperatures. ## HR & Payroll (15) - [Annual to Hourly Calculator](https://top10k.com/tool/annual-to-hourly-calculator): Converts an annual salary to hourly, daily, weekly, and monthly rates based on configurable work hours per week and weeks per year. - [Billable Utilization Calculator](https://top10k.com/tool/billable-utilization-calculator): Calculates billable utilization rate (billable hours / total available hours) for consultants and professional-services teams. Shows individual and team utilization at a glance. - [Bonus Tax Calculator](https://top10k.com/tool/bonus-tax-calculator): Estimates federal tax withheld on a bonus using the IRS flat supplemental rate (22%) or the aggregate method based on regular pay, showing take-home bonus amount. - [Commission Calculator](https://top10k.com/tool/commission-calculator): Calculates sales commission earnings from base salary, sales amount, and commission rate, supporting tiered commission structures where higher sales volumes earn progressively higher rates. - [Contractor Rate Calculator](https://top10k.com/tool/contractor-rate-calculator): Helps freelancers and contractors calculate a viable hourly or daily rate based on desired annual income, working days, overhead costs, and profit margin. - [Cost Per Hire Calculator](https://top10k.com/tool/cost-per-hire-calculator): Calculates the total cost to recruit and hire one employee, including internal and external recruiting costs divided by number of hires. - [Employee Turnover Rate Calculator](https://top10k.com/tool/employee-turnover-rate-calculator): Calculate monthly and annual employee turnover rate from headcount and separations data. Understand voluntary vs. total attrition. - [Headcount Cost Calculator](https://top10k.com/tool/headcount-cost-calculator): Calculates total annual cost of a headcount (salary + benefits + overhead) to help managers forecast hiring spend. - [Net Pay Calculator](https://top10k.com/tool/net-pay-calculator): Calculate take-home pay after deducting federal income tax, Social Security, Medicare, and other withholdings from gross salary. - [Payroll Tax Calculator](https://top10k.com/tool/payroll-tax-calculator): Estimates US payroll taxes (federal income tax, Social Security, Medicare) for employees and employers based on gross wages. - [Raise Percentage Calculator](https://top10k.com/tool/raise-percentage-calculator): Calculate the percentage increase of a salary raise from old to new pay, and see the annual, monthly, and weekly dollar difference. - [Severance Pay Calculator](https://top10k.com/tool/severance-pay-calculator): Estimates severance pay based on years of service, weekly salary, and company policy (1-week or 2-week per year formulas). - [Time of Service & Tenure Calculator](https://top10k.com/tool/tenure-calculator): Calculate employee tenure in completed calendar years, months, and days, total completed months, and combined service across multiple periods. - [Timesheet Rounding Tool](https://top10k.com/tool/timesheet-rounding-tool) - [Work Anniversary Calculator](https://top10k.com/tool/work-anniversary-calculator): Calculates an employee's work anniversary dates and milestones (1-year, 5-year, 10-year, etc.) from a hire date, and shows how many days until the next anniversary. ## Insurance Tools (10) - [Annuity Payout Calculator](https://top10k.com/tool/annuity-payout-calculator): Calculate periodic annuity payment amounts given a lump sum, interest rate, and payment duration. Supports immediate and deferred annuities with monthly or annual payouts. - [Car Insurance Estimator](https://top10k.com/tool/car-insurance-estimator): Estimates annual car insurance premiums based on driver age, vehicle value, coverage type, driving record, and state. - [Coinsurance Calculator](https://top10k.com/tool/coinsurance-calculator): Calculates the patient's coinsurance share of a medical bill after the deductible is met (e.g. 20% of the allowed amount). - [Deductible vs Premium Calculator](https://top10k.com/tool/deductible-vs-premium-calculator): Compares two insurance plans by total annual cost (premium + out-of-pocket) across different claims scenarios. - [Disability Insurance Calculator](https://top10k.com/tool/disability-insurance-calculator): Estimates the monthly disability insurance benefit needed based on current income, existing coverage, and expenses, and shows how long savings would last without coverage. - [Health Insurance Subsidy Calculator](https://top10k.com/tool/health-insurance-subsidy-calculator): Estimates ACA Marketplace premium tax credit based on household income, family size, and federal poverty level percentage. - [Home Insurance Estimator](https://top10k.com/tool/home-insurance-estimator): Estimates annual home insurance premium based on home value, location risk, coverage type, and deductible amount. - [Human Life Value Calculator](https://top10k.com/tool/human-life-value-calculator): Estimates the insurance coverage needed by calculating the present value of future income, accounting for years to retirement, annual income, expected raises, and a discount rate. - [Out-of-Pocket Max Calculator](https://top10k.com/tool/out-of-pocket-max-calculator): Calculates cumulative patient costs — deductible, copays, and coinsurance — across multiple medical bills to show how close you are to your health insurance out-of-pocket maximum. - [Replacement Cost Calculator](https://top10k.com/tool/replacement-cost-calculator): Estimates the replacement cost of a home or asset for insurance purposes, using current square footage, local construction cost per sq ft, and property feature adjustments. ## Energy Tools (18) - [Battery Storage Sizing Calculator](https://top10k.com/tool/battery-storage-sizing): Calculates the required battery bank capacity in kWh and Ah for a solar or off-grid system given daily energy consumption, days of autonomy, depth of discharge, and system voltage. - [Carbon Offset Energy Calculator](https://top10k.com/tool/carbon-offset-energy): Calculates CO2 emissions from electricity usage and estimates carbon offset cost based on kWh consumed and grid emission factor. - [Energy Savings Calculator](https://top10k.com/tool/energy-savings-calculator): Calculate annual energy cost savings and payback period when replacing old appliances or home electronics, based on wattage, usage hours, and electricity rate. - [EV vs Gas Cost Calculator](https://top10k.com/tool/ev-vs-gas-cost-calculator): Compares the annual and 5-year total cost of driving an electric vehicle versus a gasoline car based on miles driven, electricity rate, gas price, and vehicle efficiency. - [Generator Fuel Consumption Calculator](https://top10k.com/tool/generator-fuel-consumption): Estimates fuel consumption (gallons or liters per hour) and running cost for a generator based on rated wattage, load percentage, fuel type, and run time. - [Heat Pump Efficiency Calculator](https://top10k.com/tool/heat-pump-efficiency-calculator): Calculate the Coefficient of Performance (COP) and heating/cooling efficiency of a heat pump given source and sink temperatures. Supports both heating and cooling modes with Carnot and real-world C… - [Hydropower Output Calculator](https://top10k.com/tool/hydropower-output-calculator) - [Insulation R-Value Calculator](https://top10k.com/tool/insulation-r-value-calculator): Calculates total thermal resistance (R-value) for single or stacked insulation layers; supports common materials with preset R-values per inch, plus custom entry; shows combined R-value and U-factor. - [Inverter Clipping Loss Calculator](https://top10k.com/tool/inverter-clipping-calculator): Estimates annual energy clipping losses when a solar array DC capacity exceeds inverter AC rating. Enter DC array size, inverter AC rating, peak sun hours, and performance ratio to see clipped kWh … - [Levelized Cost of Energy Calculator](https://top10k.com/tool/levelized-cost-of-energy): Calculates LCOE ($/MWh) for renewable energy projects — solar, wind, storage — from capital cost, discount rate, capacity factor, O&M costs, and project lifetime. The standard metric for comparing … - [Net Metering Savings Calculator](https://top10k.com/tool/net-metering-savings): Estimates annual savings from solar net metering given monthly solar production, household consumption, retail electricity rate, and net metering credit rate. - [Off-Grid Load Sizing Calculator](https://top10k.com/tool/off-grid-load-sizing): Sizes an off-grid solar system by summing appliance watt-hours per day, then computing required battery bank capacity and minimum PV array size based on daily sun-hours and system voltage. - [Solar Panel Degradation Calculator](https://top10k.com/tool/panel-degradation-calculator): Calculate the remaining power output of a solar panel or array after N years given an annual degradation rate. Shows a year-by-year table and total lifetime energy yield. - [Phantom Load Calculator](https://top10k.com/tool/phantom-load-calculator): Estimate standby power draw and annual electricity cost from idle electronics by entering device wattage and hours-off per day. - [Solar Panel Spacing Calculator](https://top10k.com/tool/solar-panel-spacing) - [Solar Panel Tilt vs Output Calculator](https://top10k.com/tool/tilt-vs-output-calculator) - [Turbine Capacity Factor Calculator](https://top10k.com/tool/turbine-capacity-factor): Calculates the capacity factor of a wind or solar turbine/generator as actual energy output divided by maximum possible output over a given period, expressed as a percentage. - [Wind Power Density Calculator](https://top10k.com/tool/wind-power-density): Calculates wind power density (W/m²) from wind speed and air density, helping wind energy engineers assess site potential and classify wind resource categories. ## Geology Tools (6) - [Contour Interval Calculator](https://top10k.com/tool/contour-interval-calculator): Calculates the contour interval between elevation lines on a topographic map given the number of contour intervals and the total elevation change. - [Elevation Gain Calculator](https://top10k.com/tool/elevation-gain-calculator): Calculates total elevation gain and loss from a list of elevation waypoints, useful for hiking and trail planning. - [Geothermal Gradient Calculator](https://top10k.com/tool/geothermal-gradient-calculator): Calculates subsurface temperature at a given depth using the geothermal gradient (°C/km) and surface temperature. Also solves for depth, gradient, or surface temperature from known values. - [Magnetic Declination Calculator](https://top10k.com/tool/magnetic-declination-calculator): Illustrates the bearing toward an assumed centered-dipole axis and explains why real magnetic declination requires NOAA WMM or IGRF data. - [Plate Movement Calculator](https://top10k.com/tool/plate-movement-calculator): Calculates tectonic displacement or average velocity over geologic time spans, including full and half seafloor spreading rates with factual unit conversions. - [Volcanic Explosivity Index](https://top10k.com/tool/volcanic-explosivity-index): Reference tool and lookup for the Volcanic Explosivity Index (VEI) scale, with descriptions and examples of historical eruptions at each level. ## Databases (7) - [B-Tree Depth Calculator](https://top10k.com/tool/b-tree-depth-calc): Calculates the minimum and maximum depth (height) of a B-tree given the order and number of keys, helping database engineers understand index structure. - [Backup Storage Calculator](https://top10k.com/tool/backup-storage-calc): Estimates total backup storage requirements based on database size, retention period, backup frequency, and compression ratio. - [Cache Hit Ratio Calculator](https://top10k.com/tool/cache-hit-ratio-calc): Calculates cache hit ratio and miss ratio from cache hits and total requests, helping developers and DBAs evaluate caching efficiency. - [IOPS Calculator for Storage](https://top10k.com/tool/iops-calculator): Calculates the required IOPS for a database workload based on transaction rate, read/write ratio, and block size. Also converts between IOPS, throughput (MB/s), and latency (ms) for storage planning. - [Database Partition Size Calculator](https://top10k.com/tool/partition-size-calc): Calculates the optimal number of partitions and partition sizes for a database table given total row count, row size, and target partition size. - [RDS Cost Estimator](https://top10k.com/tool/rds-cost-estimator): Estimates monthly AWS RDS costs based on instance type, storage, multi-AZ, and I/O usage. Supports MySQL, PostgreSQL, MariaDB, SQL Server, and Oracle engines. - [Rows Per Page Calc](https://top10k.com/tool/rows-per-page-calc): Calculates the optimal number of rows per page for database query pagination given total rows, desired page count, or page size. ## Photography Tools (20) - [500 Rule Astrophotography Calculator](https://top10k.com/tool/500-rule-astrophotography): Calculates the maximum exposure time to avoid star trailing using the 500 Rule (max seconds = 500 / effective focal length), with crop factor correction and the revised NPF Rule option for more acc… - [Angle of View Calculator](https://top10k.com/tool/angle-of-view-calculator): Calculates horizontal, vertical, and diagonal angle of view for a camera lens given focal length and sensor size (full-frame, APS-C, Micro Four Thirds, or custom dimensions) - [Bokeh Calculator](https://top10k.com/tool/bokeh-calculator): Calculates the depth of field and background blur (bokeh) characteristics for a given lens, aperture, subject distance, and sensor size. - [Crop Factor Calculator](https://top10k.com/tool/crop-factor-calculator): Calculate the crop factor of any camera sensor relative to full-frame (36×24 mm), convert native focal lengths to their full-frame equivalent, and see the resulting diagonal field-of-view angle. - [Depth of Field Calculator](https://top10k.com/tool/depth-of-field-calculator): Calculates near/far focus limits, total depth of field, and hyperfocal distance given aperture, focal length, subject distance, and sensor/film format. - [Diffraction Limit Calculator for Photography](https://top10k.com/tool/diffraction-limit-photo): Calculates the f-stop at which diffraction softening becomes visible for a given camera sensor resolution and pixel pitch. - [F-Stop Calculator](https://top10k.com/tool/f-stop-calculator): Calculates equivalent exposures by finding aperture, shutter speed, and ISO combinations that share the same exposure value; also displays the full f-stop scale with half and third stops. - [Field of View Calculator for Photography](https://top10k.com/tool/field-of-view-photo): Calculates the horizontal, vertical, and diagonal field of view (in degrees) for a camera lens given focal length and sensor size (full-frame, APS-C, Micro Four Thirds, etc.). - [Flash Guide Number Calculator](https://top10k.com/tool/flash-guide-number-calculator): Calculates flash guide number, aperture, or subject distance using the GN = distance x aperture formula for photography lighting. - [Focal Length Equivalent Calculator](https://top10k.com/tool/focal-length-equivalent): Convert a lens focal length to its 35mm full-frame equivalent using the crop factor. Enter any focal length and crop factor (or pick a sensor format preset) to get the equivalent focal length (EFL … - [Inverse Square Flash Calculator](https://top10k.com/tool/inverse-square-flash): Calculates how flash intensity changes with distance using the inverse square law (I ∝ 1/d²) — find new exposure settings when moving flash closer or farther. - [Macro Magnification Calculator](https://top10k.com/tool/macro-magnification-calculator): Calculates the magnification ratio for macro photography given focal length, extension, and subject/image distances. - [ND Filter Exposure Calculator](https://top10k.com/tool/ndfilter-exposure-calculator): Calculates the adjusted shutter speed needed when adding an ND filter, given the base (no-filter) shutter speed and the ND filter's stop or ND factor value. - [Print Size Calculator from Megapixels](https://top10k.com/tool/print-size-from-megapixels): Calculates the maximum print dimensions (inches/cm) at various DPI resolutions from a camera megapixel count or exact image pixel dimensions. - [Film Reciprocity Failure Calculator](https://top10k.com/tool/reciprocity-calculator): Calculate the corrected exposure time for film reciprocity failure during long exposures. Supports Ilford HP5, Delta 100, Delta 3200, FP4, Pan F, Kodak T-Max 100, T-Max 400, Fuji Velvia 50, Provia … - [Camera Sensor Size Comparison](https://top10k.com/tool/sensor-size-comparison): Compare camera sensor dimensions, crop factors, and relative areas side-by-side for Full Frame, APS-C, Micro Four Thirds, 1-inch, and other common sensor formats. - [Star Trail Exposure Calculator](https://top10k.com/tool/star-trail-exposure): Calculates the exposure time and number of stacked frames needed to capture star trails of a given arc length, based on focal length, sensor size, and desired trail duration. - [Sunny 16 Rule Calculator](https://top10k.com/tool/sunny-16-helper) - [Time-Lapse Clip Length Calculator](https://top10k.com/tool/time-lapse-clip-length): Calculates the final video clip duration from the number of photos and frame rate, showing total real time captured and the speed-up factor. - [Time-Lapse Interval Calculator](https://top10k.com/tool/time-lapse-interval-calculator) ## DSP Tools (13) - [Aliasing Checker](https://top10k.com/tool/aliasing-checker) - [Convolution Length Calculator](https://top10k.com/tool/convolution-length): Calculates the output length of a linear convolution or correlation of two finite-length sequences. - [RC Filter Cutoff Frequency Calculator](https://top10k.com/tool/cutoff-frequency-rc): Calculates the -3 dB cutoff frequency of RC low-pass and high-pass filters from resistance and capacitance values, with time constant and component solving modes. - [Filter Order Calculator](https://top10k.com/tool/filter-order-calculator): Calculates the minimum filter order for Butterworth, Chebyshev I, or Elliptic lowpass filters given passband ripple, stopband attenuation, passband edge frequency, and stopband edge frequency. - [FFT Frequency Resolution Calculator](https://top10k.com/tool/frequency-resolution-calculator): Calculates the frequency resolution of an FFT (Δf = sample_rate / N) from sample rate and FFT size; shows frequency bin spacing and the relationship between time resolution and frequency resolution. - [Group Delay Helper](https://top10k.com/tool/group-delay-helper): Calculates and visualizes group delay for common analog and digital filters (RC low-pass, Butterworth, FIR linear phase), showing how much each frequency component is delayed through the filter. - [Interpolation Rate Calculator](https://top10k.com/tool/interpolation-rate-calculator): Calculates the interpolation factor L needed to upsample a signal from one sample rate to a target sample rate, and shows the resulting output rate after polyphase filtering. - [Q Factor Calculator](https://top10k.com/tool/q-factor-calculator): Calculates the Q factor (quality factor) of a resonant circuit or filter from center frequency and bandwidth, or from resistance, inductance, and capacitance values (RLC circuit). - [Quantization Noise Calculator](https://top10k.com/tool/quantization-noise-calculator): Calculates quantization noise power, signal-to-quantization-noise ratio (SQNR), and effective number of bits (ENOB) for ADC/DAC systems given bit depth and signal amplitude. - [Sample to Time Converter](https://top10k.com/tool/sample-to-time-converter): Converts audio sample count to time duration and vice versa given a sample rate. Useful in digital audio workstations, DSP programming, and audio engineering. - [SNR from Bit Depth Calculator](https://top10k.com/tool/snr-from-bits): Calculates the theoretical signal-to-noise ratio (SNR) in dB from ADC bit depth using SNR = 6.02 × N + 1.76 dB, with dynamic range and ENOB comparisons. - [THD Calculator](https://top10k.com/tool/thd-calculator): Calculates Total Harmonic Distortion (THD) from up to 8 harmonic amplitude values relative to the fundamental frequency, in both percentage and dB. - [Zero-Padding Helper](https://top10k.com/tool/zero-padding-helper): Recommends the optimal FFT zero-padding length for a given signal length to improve peak interpolation and bin density. ## Parenting Tools (4) - [Baby Age in Weeks and Months](https://top10k.com/tool/baby-age-weeks-months): Calculates a baby's exact age from their birth date in total weeks, whole months, and days remainder — helpful for tracking developmental milestones. - [Child Adult Height Predictor](https://top10k.com/tool/child-height-predictor): Estimates a child's adult height from the parents' heights using the mid-parental height method and shows an expected target range. - [Toddler Calorie Needs Calculator](https://top10k.com/tool/toddler-calorie-needs): Estimates daily calorie needs for toddlers aged 12–35 months from weight using the DRI estimated energy requirement equation. - [Childhood Vaccine Schedule Helper](https://top10k.com/tool/vaccine-schedule-helper): Shows the CDC-recommended childhood immunization schedule (birth through 18 years) and calculates which vaccines are due based on a child's date of birth, with a checklist parents can use to track … ## Printing Tools (13) - [Booklet Page Calculator](https://top10k.com/tool/booklet-page-calculator): Calculate the number of sheets needed to saddle-stitch print a booklet and how many blank pages must be added to make the total page count divisible by 4. - [Color Separation Helper](https://top10k.com/tool/color-separation-helper): Converts an RGB hex color to device-independent CMYK values and reports estimated total ink coverage. - [Dot Gain Calculator](https://top10k.com/tool/dot-gain-calculator): Calculate dot gain (Tone Value Increase) in offset and flexographic printing using the Murray-Davies equation and Yule-Nielsen correction. Enter plate dot percentage and densitometer readings to ge… - [DPI for Print Calculator](https://top10k.com/tool/dpi-for-print-calculator): Calculates the required image resolution (pixels) for a given print size and DPI, or determines the effective DPI of an existing image at a target print size — helps photographers and designers ens… - [Envelope Size Reference](https://top10k.com/tool/envelope-size-reference): Interactive reference table of standard envelope sizes (#10, A2, A7, 6×9, 9×12, C4, DL, etc.) with dimensions in inches, cm, and mm, paper fit, and USPS dimensional guidance. - [Foldout Panel Calculator](https://top10k.com/tool/foldout-panel-calculator): Calculate individual panel widths for folded print pieces — tri-fold, z-fold, gate-fold, and accordion — given the finished width and number of panels, with bleed recommendations. - [Image Size for Print Calculator](https://top10k.com/tool/image-size-for-print): Calculate the minimum pixel dimensions required to print an image at a given physical size and DPI resolution, and check if an existing image meets print quality standards. - [Imposition Calculator](https://top10k.com/tool/imposition-calculator): Calculate print imposition: enter your press sheet size, finished page size, and bleed/gutter margins to see how many pages fit per sheet (up count) and the sheet arrangement. - [Ink Coverage Calculator](https://top10k.com/tool/ink-coverage-calculator): Estimates ink consumption for commercial print runs using physical film thickness, ink density, sheet dimensions, and coverage percentages for single/spot color or 4-channel CMYK process separations. - [Poster Scaling Calculator](https://top10k.com/tool/poster-scaling-calculator): Scales a design from one size to another (e.g., A4 to A0, letter to tabloid) and calculates the scale percentage and new dimensions in inches, mm, or cm. - [Print Reading Order Helper](https://top10k.com/tool/reading-order-helper): Shows the correct page imposition order for saddle-stitch and perfect-bound booklets so designers know which pages share a printed sheet. - [Printing Signatures Calculator](https://top10k.com/tool/signatures-calculator): Calculate uniform 4-, 8-, 16-, 32-, or 64-page book signatures, total printed pages, and padding needed for a chosen page count. - [Spine Text Fit Calculator](https://top10k.com/tool/spine-text-fit): Calculates whether vertical text fits across a book spine and along the book height using page count, paper thickness, trim height, and font size. ## Veterinary Tools (12) - [Animal Anesthesia Dose Calculator](https://top10k.com/tool/animal-anesthesia-dose): View weight-based injectable anesthetic reference doses and non-weight-based inhalant concentration ranges for common veterinary species. For veterinarian-led educational use only. - [Animal Pregnancy Due Date](https://top10k.com/tool/animal-pregnancy-due-date): Estimates the expected due date and gestation timeline for common domestic animals (dog, cat, cow, horse, pig, sheep, goat, rabbit) based on the breeding or last mating date. - [Canine Blood Volume Calculator](https://top10k.com/tool/canine-blood-volume): Estimates total blood volume in dogs (approx. 85–90 mL/kg) and calculates safe maximum blood collection volume, acute loss transfusion threshold, and allowable blood loss for veterinary use. - [Cat Calorie & RER Calculator](https://top10k.com/tool/cat-calorie-rer): Calculates a cat's resting energy requirement (RER) and daily calorie needs based on weight and life stage. - [Cattle Weight Estimator](https://top10k.com/tool/cattle-weight-estimator): Estimates live cattle weight from heart girth and body length measurements using the Schaeffer formula (HG² × BL / 300) and heart-girth-only formulas for dairy and beef breeds. Supports both imperi… - [Dewormer Dose Calculator](https://top10k.com/tool/dewormer-dose-calculator): Calculates dewormer dosage for livestock and pets based on animal weight and drug concentration, supporting common anthelmintics: ivermectin, fenbendazole, and albendazole. - [Dog BSA Calculator](https://top10k.com/tool/dog-bsa-calculator): Calculates body surface area (BSA) for dogs using the Meeh formula (BSA = 10.1 × W^0.667 cm²) for chemotherapy dosing and fluid calculations in veterinary medicine. - [Dog Calorie & RER Calculator](https://top10k.com/tool/dog-calorie-rer): Calculates a dog's resting energy requirement (RER) and daily calorie needs based on weight and life stage. - [Feline Blood Volume](https://top10k.com/tool/feline-blood-volume): Estimates total blood volume in cats based on body weight using the standard veterinary reference value of approximately 60 mL/kg. - [Horse Weight Tape Calculator](https://top10k.com/tool/horse-weight-tape): Estimates a horse's weight using heart girth and body length measurements (weight tape method). Supports both metric and imperial units. - [Pet IV Drip Rate Calculator](https://top10k.com/tool/pet-iv-drip-rate): Calculate IV fluid drip rate in drops per minute and mL/hr for dogs and cats. Enter body weight, prescribed fluid rate (mL/kg/hr), and drip set size to get instant results. - [Poultry Feed Conversion Ratio Calculator](https://top10k.com/tool/poultry-feed-conversion): Calculates feed conversion ratio (FCR) for poultry flocks from total feed consumed and live weight gain. Supports broilers, layers, and turkeys with performance benchmarks. ## Uncategorized - [DPI to PPI Converter](https://top10k.com/tool/dpi-to-ppi-converter) - [Extrusion Multiplier Calculator](https://top10k.com/tool/extrusion-multiplier-calculator) - [Infill Weight Calculator](https://top10k.com/tool/infill-weight-calculator) ## AI Tools — Category Guides (33) - [Best AI Ads Tools in 2026: Creative, Video & Media Buying](https://top10k.com/ai-ads): AI advertising tools streamline media workflows across creative generation, campaign automation, and performance analytics. AdCreative leads in multi-channel banner production and predictive asset … - [Best AI Agents & Autonomous Execution Platforms (2026)](https://top10k.com/ai-agents): Skywork ranks first for autonomous research and verified document synthesis at $19.99/month, while Chatbase leads for enterprise support automation with native ticketing actions and SOC 2 Type II c… - [Best AI All-in-One Tools (2026 Multi-Model Hubs)](https://top10k.com/ai-all-in-one): Desk research identifies 1min AI, Krater.ai, and Easy-Peasy.AI as the three primary platforms meeting verification standards for multi-model AI consolidation. 1min AI ranks first for its multi-mode… - [Best AI Assistant Tools (2026 Comparison Guide)](https://top10k.com/ai-assistant): Voila leads for direct browser-level productivity and cross-application drafting without context switching. Any.do provides structured daily task decomposition and calendar automation, while Saner … - [AI Audio Tools Shortlist (September 2026 Directory)](https://top10k.com/ai-audio): This directory profiles five distinct AI audio tools aligned to five non-interchangeable tasks: ElevenLabs for speech synthesis and voice cloning, Lalal.ai for audio stem separation, Kits AI for si… - [AI Character Tools: 2026 Consistency and Workflow Guide](https://top10k.com/ai-character): This draft evaluates three platforms supporting recurring visual identity across scenes as of September 2026: Decohere, Scenario, and OpenArt. Transparently, Scenario and OpenArt are primarily cata… - [4 Best AI Chatbot Platforms in 2026: Ranked Guide](https://top10k.com/ai-chatbot): ChatBot ranks first for autonomous, multi-channel customer self-service with native e-commerce workflows. Social Intents places second as the top choice for teams resolving live chats directly insi… - [Best AI Copywriter Software in 2026: Performance & Workflow Compared](https://top10k.com/ai-copywriter): Anyword leads the category for performance-focused marketers seeking predictive conversion scoring and cross-channel brand voice controls, starting at $49 per month. HoppyCopy secures the second po… - [AI Data Tools by Intent: Extraction, Investing, Telemetry](https://top10k.com/ai-data): Cross-track ordinal ranking across PopAi AI Sheets, Intellectia.AI, and Plerdy is invalid because each addresses a completely separate operational domain: document-to-spreadsheet extraction, invest… - [Best AI Design Tools in 2026: 8 Platforms Ranked](https://top10k.com/ai-design): Kittl ranks first for vector merchandise and graphic design with its infinite canvas, non-destructive typography, and production-grade export options. Uizard and Relume lead digital interface creat… - [Best AI Detector Tools (2026 Category Guide)](https://top10k.com/ai-detector): Originality.ai is the top solution for digital publishers requiring URL crawling and collaborative team workflows, while Winston AI serves educational environments needing OCR and sentence-level he… - [Best AI Document Tools in 2026 (Desk Research Guide)](https://top10k.com/ai-document): AI document analysis software in 2026 bridges the gap between massive document repositories and rapid comprehension. Sharly AI leads for academic and enterprise research teams with cross-format ing… - [Best AI Tools for Education in 2026: 5 Evaluated Options](https://top10k.com/ai-education): Jenni AI takes the top spot for academic drafting with traceable citations and source-anchored text suggestions, while SciSummary excels at structured empirical reading and data chart queries. Atla… - [8 Best AI Email Tools in 2026 — Verified Category Review](https://top10k.com/ai-email): GetResponse and ActiveCampaign anchor permission-based lifecycle marketing through automated journeys and generative assistants, whereas Smartlead, Mailshake, and SalesBlink supply cold outbound de… - [Best AI Music Generators (2026 Buyer's Guide)](https://top10k.com/ai-music): Soundraw ranks highest for in-house trained, copyright-safe composition and in-browser multitrack editing, while Mubert leads for programmatic background soundtrack generation and API workflows. Ki… - [Best AI No-Code & Low-Code Platforms (2026) | Verified Buyer Guide](https://top10k.com/ai-no-codelow-code): For prompt-driven web software with full source code ownership, Lovable and Bolt lead the category. For scalable consumer applications and native mobile deployment across app stores, Bubble, Adalo,… - [Best AI Notetaker Tools (2026 Comparison)](https://top10k.com/ai-notetaker): HyNote AI secures the top ranking for individual knowledge workers, consultants, and researchers seeking a bot-free multimodal workspace that processes spoken audio alongside PDFs, images, and web … - [Best AI Photo Tools (2026 Comparison & Evaluation)](https://top10k.com/ai-photo): Photoroom anchors the category for commercial e-commerce staging, background replacement, and batch catalog production with plans starting at €5.99 per month billed annually. Palette provides speci… - [Best AI Presentation Tools (2026 Guide)](https://top10k.com/ai-presentation): Pitch ranks first overall for collaborative workspaces, design-first workflows, and the Pitch Agent generation engine with native PowerPoint export. Decktopus delivers structured, template-driven p… - [Best AI Productivity Tools (2026 Guide)](https://top10k.com/ai-productivity): Effective AI productivity software targets specific operational friction points rather than attempting generic execution. Taskade excels at team workspace orchestration and autonomous background ag… - [Best AI Sales Software of 2026: Pipeline, Prospecting & CRM Ranked](https://top10k.com/ai-sales): Modern AI sales platforms eliminate manual rep overhead across the revenue cycle. Attio leads for dynamic AI CRM pipeline management, Clay dominates automated outbound data enrichment, Seamless.AI … - [Top 8 AI SEO Tools for 2026: Ranked Guide & Comparison](https://top10k.com/ai-seo): Modern search strategies demand a balance between traditional search engine ranking and generative engine optimization (GEO). Surfer leads our 2026 evaluation for real-time natural language process… - [Best AI Social Media Tools: 2026 Comparison Guide](https://top10k.com/ai-social-media): Modern AI social media software divides primarily into broad multi-platform distribution engines and channel-specific growth suites. Ocoya and Nuelink lead cross-network automation with scheduling … - [Best AI Thumbnail Generators for YouTube in 2026](https://top10k.com/ai-thumbnail): Pikzels is ranked #1 for creators demanding focused visual design, custom facial persona modeling, and natural-language layout iteration starting at $28 per month billed annually ($336 per year). 1… - [8 Best AI Tools in 2026: Verified Business & Creative Platforms](https://top10k.com/ai-tools): GoHighLevel leads for marketing agencies requiring end-to-end client CRM automation and communication funnels. Easy-Peasy.AI takes runner-up honors as a consolidated multi-model studio for copy, au… - [Best AI Transcription Tools (2026 Guide)](https://top10k.com/ai-transcription): Clipto.AI ranks first for standalone audio and video file transcription across 99+ languages with generous file limits up to 6 hours. Otter.ai and Notta provide high-throughput transcription across… - [AI Video Translation Tools: 4 Workflow-Fit Picks](https://top10k.com/ai-translation): This is a video-localization shortlist, not a general text-translation ranking. Rask AI, ElevenLabs, Synthesia, and Zeemo are active Top10K catalog entries with reachable product pages and current … - [Best AI Video Tools in 2026: Ranked Category Guide](https://top10k.com/ai-video): Modern AI video production divides into four core software architectures: timeline editors augmented with machine learning utilities, photorealistic synthetic presenter engines, prompt-to-video gen… - [Best AI Voice Tools in 2026: Top Voice Generators Ranked](https://top10k.com/ai-voice): Resemble AI takes the top spot for developer-first voice cloning, non-expiring usage-based pricing, and integrated deepfake detection. Speechify ranks second for consumer accessibility, cross-platf… - [Best AI Web Scrapers (2026 Comparison)](https://top10k.com/ai-web-scraper): Apify earns the top ranking as a developer-first cloud scraping platform, providing serverless Actors, granular proxy control, and turn-key pipelines for LLM ingestion. Browse AI secures second pla… - [Best AI Website Builders in 2026: Vibe Coding & Prompt-to-Site](https://top10k.com/ai-website-builder): AI website building tools have split into two core architectures: conversational presentation creators for marketing sites (Wegic, Pineapple Builder) and full-stack vibe coding engines that constru… - [Top AI Workflow Engines for 2026: Technical Evaluation](https://top10k.com/ai-workflow): n8n leads the category for technical automation teams seeking execution-based billing, self-hosted deployment flexibility, and hybrid visual-code agent nodes. Pipedream excels for serverless event … - [Best AI Writing Tools (2026 Evaluation & Buyer's Guide)](https://top10k.com/ai-writing): Jenni AI and AI-Writer.com lead research-focused drafting through verifiable citations and source-grounded text synthesis. Hypotenuse AI provides specialized e-commerce catalog generation and docum… ## AI Tools — Reviews (149) - [1min AI](https://top10k.com/ai/1min-ai): 1min.AI consolidates leading language, visual, and audio models into a unified credit-based workspace to counter AI subscription fatigue. While it offers unmatched cross-model flexibility without u… - [1of10](https://top10k.com/ai/1of10): 1of10 is a specialized YouTube intelligence and packaging platform that identifies statistical outlier videos across browse feeds and provides generative AI tools for title and thumbnail developmen… - [Adalo](https://top10k.com/ai/adalo): Adalo is a visual no-code app development platform designed to build database-driven web applications and native iOS and Android apps from a single canvas. It lowers technical barriers to app store… - [AdCreative](https://top10k.com/ai/adcreative): AdCreative.ai automates high-volume digital ad banner and copy creation through structured brand templates and predictive performance scoring. While it significantly accelerates testing cycles for … - [AIKTP](https://top10k.com/ai/aiktp): AIKTP (AI - Keywords To Post) is an automation-centric content suite designed to bridge bulk keyword research with multi-site WordPress deployment. While it bundles long-form article generation, li… - [AISEO](https://top10k.com/ai/aiseo): AISEO has expanded beyond its original AI writing and humanizer tools into an AI Search Optimization (GEO/AIO) and autonomous SEO agent platform. It tracks brand citations across ChatGPT, Perplexit… - [Aitubo](https://top10k.com/ai/aitubo): Aitubo is a cloud-based generative workspace unifying multi-model image generation, video effects, and canvas editing with credit-tiered access. - [AKOOL](https://top10k.com/ai/akool): AKOOL is a generative video platform combining AI face swapping, real-time streaming avatars, automated video translation, and multi-model video directing (integrating Sora 2, Kling 3.0, Veo 3.1, a… - [Anara](https://top10k.com/ai/anara): Anara (formerly Unriddle AI) is an AI workspace engineered for academic and enterprise researchers to ingest, query, and cite literature across large libraries up to 10,000 files with source highli… - [Any.do](https://top10k.com/ai/anydo): Any.do is an integrated task management, calendar, and collaboration tool spanning Web, Desktop, Android, and iOS. It scales from individual checklists and daily planning to 4-member Family setups … - [Apify](https://top10k.com/ai/apify): Apify is a cloud-native web data extraction and browser automation platform driven by serverless micro-programs called Actors. While it offers over 6,000 community and official scrapers alongside m… - [Atlas](https://top10k.com/ai/atlas): Atlas (atlas.org) is an AI workspace engineered for academic study. It consolidates course documents, connects with learning systems such as Blackboard, and provides a multiplayer canvas for peer s… - [BASE44](https://top10k.com/ai/base44) - [BasedLabs](https://top10k.com/ai/basedlabs): BasedLabs aggregates top-tier generative image, video, and audio models under a unified credit-based dashboard, reducing multi-platform subscription overhead while carrying platform-level reliabili… - [BetterPic](https://top10k.com/ai/betterpic): BetterPic produces 4K AI portraits from casual selfies in under two hours, distinguishing itself with enterprise compliance certifications (SOC 2 Type II, ISO 27001), human retouching options, and … - [Bigspy](https://top10k.com/ai/bigspy): BigSpy indexes over 1 billion ad creatives across up to 11 ad channels, including Facebook, TikTok, YouTube, and mobile ad networks. It delivers broad creative surveillance and niche filtering at a… - [BrandBird](https://top10k.com/ai/brandbird): BrandBird bridges the gap between raw screen captures and heavy design tools like Figma or Photoshop. It streamlines the creation of social graphics, 3D device mockups, and localized App Store scre… - [Browse AI](https://top10k.com/ai/browse-ai): Browse AI documents its service as a no-code web scraping, monitoring, and automation solution built around two robot authoring environments: Table Studio for automated, AI-assisted tabular schema … - [CapCut](https://top10k.com/ai/capcut): CapCut provides flexible multi-platform video editing across web, desktop, and mobile with automated speech recognition and background subject isolation. CapCut Standard supports casual and mobile-… - [Captions AI](https://top10k.com/ai/captions-ai): Captions AI (developed by Captions LLC) is a camera-focused video editing and captioning platform available on iOS, Android, and web. It structures its creator offering across Free, Lite, Basic (fo… - [Castos Podcast](https://top10k.com/ai/castos-podcast): Castos provides unmetered podcast hosting with unlimited shows and downloads starting at $19/month. Its flagship differentiator is deep two-way integration with WordPress via Seriously Simple Podca… - [Chatbase](https://top10k.com/ai/chatbase): Chatbase is a conversational AI platform designed to deploy customer support, sales, and product guidance agents across web chat, messaging apps, and ticketing systems. It simplifies knowledge inge… - [Clipto.AI](https://top10k.com/ai/cliptoai): Clipto is a hybrid local-first media memory and transcription platform designed to index video, audio, and documents on local hardware while exposing structured context to external AI agents via th… - [Crayo](https://top10k.com/ai/crayo): Crayo AI is a web-based video production platform built specifically for high-volume short-form vertical content (TikTok, YouTube Shorts, Instagram Reels). It packages long-form clipping (AutoClip)… - [Creatify AI](https://top10k.com/ai/creatify-ai): Creatify AI automates short-form video ad production by converting e-commerce URLs into multi-scene scripts, synthetic voiceovers, and avatar-driven ads. While efficient for high-velocity A/B testi… - [CustomGPT](https://top10k.com/ai/customgpt): CustomGPT.ai is an enterprise retrieval-augmented generation (RAG) platform designed to build generative AI agents grounded in business documentation. Featuring automated source citations, configur… - [Decktopus](https://top10k.com/ai/decktopus): Decktopus is an AI-first presentation tool designed to eliminate the manual slide formatting tax. It automatically derives branding from website URLs, generates structured 16:9 decks from prompts o… - [Decohere](https://top10k.com/ai/decohere): Decohere is an interactive generative media suite by Decoherence, Co. focused on rapid real-time image synthesis, image-to-video animation, character consistency, and upscaling. While it offers res… - [Deevid AI](https://top10k.com/ai/deevid-ai): DeeVid AI is a cloud and mobile multimodal generative video platform combining AI Agent storyboarding, spatial Canvas composition, and timeline editing. It routes rendering to foundation models lik… - [Descript](https://top10k.com/ai/descript): Descript unifies recording, transcript-based editing, and AI post-production into a document-like interface. It excels at fast dialogue cleanup and multi-format clipping, though editor performance … - [DupDub](https://top10k.com/ai/dupdub): DupDub is an all-in-one AI content studio created by Mobvoi that consolidates text-to-speech, talking photo avatars, instant voice cloning, and video dubbing into a single browser-based workspace. - [Easy-Peasy.AI](https://top10k.com/ai/easy-peasyai): Easy-Peasy.AI serves as an all-in-one multi-modal platform consolidating chat, copywriting, audio transcription, image editing, and video rendering. Powered by the Marky AI orchestrator with access… - [ElevenLabs](https://top10k.com/ai/elevenlabs): ElevenLabs provides synthetic speech, voice cloning, and audio localization across 74 TTS languages and 90+ dubbing languages. Monthly plans range from Free (10,000 credits) to Business ($990 for 6… - [Emergent](https://top10k.com/ai/emergent): Emergent is an AI-driven software development platform that scaffolds, builds, and deploys full-stack web and mobile applications from conversational prompts with complete code ownership and GitHub… - [Fireflies](https://top10k.com/ai/fireflies): Fireflies.ai automates meeting capture, transcription, and conversational retrieval across Zoom, Google Meet, Microsoft Teams, and audio uploads. Supporting over 100 languages, its pricing splits r… - [FitnessAI](https://top10k.com/ai/fitnessai): FitnessAI is an algorithmic strength-training iOS and Apple Watch app designed to manage progressive overload by prescribing specific sets, reps, and weights. Vendor data reports over 100 million s… - [FlexClip](https://top10k.com/ai/flexclip): FlexClip by PearlMountain Limited is an in-browser template-driven video editor with generative AI add-ons. It suits creators and small teams needing quick social videos without desktop software, b… - [Fliki](https://top10k.com/ai/fliki): Fliki is an end-to-end generative video platform designed to convert text prompts, blog posts, slide decks, and scripts into voiced, subtitled video clips. It excels in speed for faceless social vi… - [Flowise](https://top10k.com/ai/flowise): Flowise is an open-source visual workflow builder for LangChain and LangGraph systems, available as self-hosted software or a managed cloud service. It excels at fast agent prototyping, but require… - [​Foreplay](https://top10k.com/ai/foreplay): Foreplay is a specialized creative pre-production platform engineered for performance marketing teams, creative strategists, and advertising agencies. It streamlines competitor creative intelligenc… - [Fotor](https://top10k.com/ai/fotor): Fotor provides accessible raster editing, e-commerce product staging, and multi-model AI generation across web, desktop, and mobile. Subscriptions separate cloud workspace access from metered AI cr… - [FunFun Art](https://top10k.com/ai/funfun-art): FunFun Art by Chaindesk SAS combines companion chat with a dynamic directory of image and video generation tools. However, its terms enforce personal, non-commercial use only and public pricing is … - [Gamma](https://top10k.com/ai/gamma): Gamma delivers rapid, responsive card-based presentation and document creation, but users must navigate PPTX Slide Master absences, live checkout pricing realities, and default opt-in training on i… - [GetResponse](https://top10k.com/ai/getresponse): GetResponse delivers subscriber-based email marketing with unlimited sends on commercial plans governed by a Fair Usage Policy. Critical operational considerations include a single-workflow ceiling… - [Gling](https://top10k.com/ai/gling): Gling is a specialized AI rough-cut video editing platform engineered specifically for talking-head creators, educators, and podcasters. It transcribes dialogue, identifies silences, filler words, … - [GoHighLevel](https://top10k.com/ai/gohighlevel) - [GummySearch](https://top10k.com/ai/gummysearch): GummySearch was engineered as a specialized Reddit audience research and customer discovery application indexing roughly 130,000 subreddits to surface user pain points, solution requests, and buyin… - [HeadshotPro](https://top10k.com/ai/headshotpro): HeadshotPro converts casual selfies into synthetic professional portraits for individuals and distributed teams. It offers one-time packages ($29–$59) and team management from $39/person, backed by… - [HeyGen](https://top10k.com/ai/heygen): HeyGen is a market-leading synthetic media platform specialized in lifelike digital avatars, automated video translation across 175+ languages, and rapid script-to-video generation. While subscript… - [HitPaw](https://top10k.com/ai/hitpaw): HitPaw provides dedicated desktop AI enhancement tools (VikPea for video, FotorPea for photo, Edimakor for editing) alongside cloud-based web utilities. Its standout capability is accessible, model… - [HIX.AI](https://top10k.com/ai/hixai): HIX.AI is an all-in-one AI agent workspace that aggregates third-party foundational models for multi-step content generation, slide creation, deep web research, and visual generation under a unifie… - [HyNote AI](https://top10k.com/ai/hynote): HyNote is a multi-platform recording and transcription tool that captures bot-free live audio, files, and multi-format media. While it offers flexible ingestion across iOS, Android, web, and Apple … - [Imagine AI Art](https://top10k.com/ai/imagine-ai-art): ImagineArt provides a unified multi-modal workspace for generative images, video, voice, and advertising assets. Commercial adoption requires careful navigation of credit economics: non-rollover mo… - [Intellectia.AI](https://top10k.com/ai/intellectia): Intellectia.AI is an AI-powered financial research and connected-trading environment anchored by its Alphio agent. It pairs 24/7 multi-asset monitoring with strategy workflows and brokerage integra… - [Invideo AI](https://top10k.com/ai/invideo-ai) - [Jenni AI](https://top10k.com/ai/jenni-ai): Jenni AI is a browser-based writing assistant focused on academic drafts, literature-grounded auto-suggestions, and citation management, though users must manually verify references and manage stri… - [Jogg](https://top10k.com/ai/jogg): JoggAI is an automated synthetic media platform tailored for e-commerce marketers to transform product links into video ads. Featuring over 400 stock avatars, voice cloning, and direct-response tem… - [Kapwing](https://top10k.com/ai/kapwing): Kapwing delivers a browser-based multimedia editor, auto-subtitling, and repurposing toolset. Subscriptions are billed per member, but AI credits pool across the entire workspace on a monthly reset… - [Kits AI](https://top10k.com/ai/kits-ai): Kits AI is a cloud-based singing voice conversion, voice cloning, and audio processing platform. The service separates processing preview conversions from exported audio: paid plans grant unlimited… - [Kittl](https://top10k.com/ai/kittl): Kittl is a specialized browser-based design platform engineered for print-on-demand creators, apparel brands, and commercial digital illustrators. While it accelerates layout typography and generat… - [Klap](https://top10k.com/ai/klap): Klap is a web-based AI video repurposing tool designed to extract vertical shorts, reels, and TikToks from long-form speaking videos using intelligent scene reframing and multilingual transcription. - [Kling AI](https://top10k.com/ai/kling-ai): Kling AI provides a browser-based generative suite for synthesizing video and still imagery using text, image, and visual reference inputs. Evaluation should focus on specific workflow compatibilit… - [Krater.ai](https://top10k.com/ai/kraterai): Krater.ai advertises unified access to models, media tools, and task automations under one subscription. Official procurement evidence, dedicated terms, and compliance documentation are not availab… - [Kreadoai](https://top10k.com/ai/kreadoai): KreadoAI is a cloud-based marketing video platform developed by Ideareal Limited that automates the generation of digital human spokesperson clips and e-commerce ads from product listing URLs, text… - [Lalal.ai](https://top10k.com/ai/lalalai): LALAL.AI is an AI-driven audio processing platform that isolates vocals and individual instrument stems (drums, bass, piano, guitar) and cleans vocal noise. Paid tiers offer high-priority Fast minu… - [Lexilexi.ai](https://top10k.com/ai/lexilexiai): Lexi (Lexilexi.ai) is an automated Meta advertising tool by Sandwich Lab AI HK Limited that parses website URLs to draft copy, generate visual creatives, and deploy campaigns to Facebook and Instag… - [LiveChat](https://top10k.com/ai/livechat): LiveChat is an established customer engagement platform designed for support and sales teams handling high volumes of inbound website visitors across web, social, and messaging channels. - [LogoAI](https://top10k.com/ai/logoai): LogoAI 2.0 generates logos and corresponding brand kits (typography, palettes, mockups, and animated logo reveals) using multi-model generative AI. It is best suited for startups and solo founders … - [Looka](https://top10k.com/ai/looka): Looka synthesizes font pairings, color palettes, and public stock symbols into structured logo files and brand collateral. While the generation canvas is free to test, accessing production assets r… - [Lovable](https://top10k.com/ai/lovable): Lovable generates complete full-stack web applications from natural language prompts while providing visual design controls and two-way GitHub synchronization. Built on modern SSR foundations with … - [Madgicx](https://top10k.com/ai/madgicx): Madgicx is an AI-powered media buying and automation toolkit for Meta ads featuring automated rules, audience clustering, and creative workflows scaled by monthly ad spend. - [MagicLight](https://top10k.com/ai/magiclight): MagicLight AI provides an automated, script-driven narrative video assembly pipeline supporting claimed runtimes up to 50 minutes and scripts up to 12,000 characters. Paid plans display annual rate… - [Make](https://top10k.com/ai/make): Make is a visual workflow orchestration platform (iPaaS) supporting 3,000+ app connectors, custom JS/Python code execution, and native AI agents. Its execution-based credit model and multi-branch v… - [MakeUGC](https://top10k.com/ai/makeugc): MakeUGC is an AI video generation platform engineered for DTC brands and media buyers to produce UGC-style video ads. It features over 1,000 AI actors across 50+ languages, visual node-based workfl… - [MarketMuse](https://top10k.com/ai/marketmuse): MarketMuse is an enterprise content planning and optimization platform that catalogs website inventories, constructs patented topic models, and generates structured content briefs. It guides editor… - [Merlin AI](https://top10k.com/ai/merlin-ai): Merlin AI consolidates leading frontier LLMs and image models into a unified browser extension and desktop workspace, offering streamlined web summarization and data analysis at the expense of pool… - [Meshy AI](https://top10k.com/ai/meshy-ai): Meshy AI translates text prompts and 2D reference images into textured 3D meshes, complete with direct export presets for game engines (Unity, Unreal, Godot) and slicers (Bambu Studio, OrcaSlicer).… - [Monica](https://top10k.com/ai/monica): Monica provides unified access to leading models (Claude, GPT, Gemini) directly within browser workflows and operating systems. It suits knowledge workers who need immediate sidebar summaries, smar… - [Motion App](https://top10k.com/ai/motion-app): Motion (usemotion.com) is an AI-driven productivity suite that automatically integrates task management, meeting scheduling, and calendar blocking to dynamically arrange daily workloads. - [MuleRun](https://top10k.com/ai/mulerun): MuleRun provides an AI digital worker system uniting a Super Agent with a hosted cloud Computer environment, Channels, Pages, Drive, and scheduled workflows. Operating across Free, personal paid ti… - [MyLens](https://top10k.com/ai/mylens): MyLens converts complex text, documents, spreadsheets, and agent outputs into interactive, narrated diagrams and presentations via web or Model Context Protocol (MCP). - [n8n](https://top10k.com/ai/n8n): n8n is a developer-centric automation and AI orchestration engine distributed under a fair-code model. It blends visual canvas design with embedded JavaScript and Python execution, Docker-based sel… - [Neural.love](https://top10k.com/ai/neurallove): Neural.love provides browser-based and API-driven generative media tools, including text-to-image synthesis, video restoration, and audio enhancement, backed by CC0 commercial licensing. - [Nim.Video](https://top10k.com/ai/nimvideo): Nim (accessible at nim.video and nimvideo.com) is an aggregated web studio that provides unified access to multiple third-party generative video and image models. While it consolidates varied gener… - [Nuelink](https://top10k.com/ai/nuelink): Nuelink is an automation-centric social media management platform engineered to replace manual scheduling with set-and-forget queues. It stands out by combining e-commerce, blog, and review integra… - [Ocoya](https://top10k.com/ai/ocoya): Ocoya is an AI-powered social media management and visual workflow platform that unites copywriting, asset generation, cross-network scheduling, and remote Model Context Protocol (MCP) automation i… - [OnSpace AI](https://top10k.com/ai/onspace-ai): OnSpace AI generates full-stack web and mobile apps from conversational prompts, combining managed cloud backends with continuous GitHub code export for portable, iterative MVP scaffolding. - [OpenArt](https://top10k.com/ai/openart): OpenArt unifies 100+ image, video, and audio models with Director mode, consistent characters, and One-Click Stories. Plans start at $14/month ($13/month annually), backed by a 40-credit, 7-day trial. - [Originality.ai](https://top10k.com/ai/originalityai): Originality.ai combines probabilistic generative AI detection with web-wide plagiarism scanning. Procurement viability depends on understanding strict credit burn rates across dual-service scans, 3… - [Pabbly Connect](https://top10k.com/ai/pabbly-connect): Pabbly Connect is an integration and workflow automation platform that isolates internal compute logic from external action delivery, meaning triggers, formatters, filters, and routers consume zero… - [Paraphraser.io](https://top10k.com/ai/paraphraserio): Paraphraser.io is a web-based text rephrasing utility featuring a 600-word free allowance, OCR extraction, audio dictation, and multiple stylistic modes. It is suitable for rapid sentence variation… - [PDF.ai](https://top10k.com/ai/pdfai): PDF.ai is a cloud-based document interaction tool designed to query, summarize, and extract data from PDFs using natural language chat. It includes optical character recognition (OCR) and developer… - [Phrasly](https://top10k.com/ai/phrasly): Phrasly provides a dual-utility writing suite combining AI detection scoring with an AI text humanizer featuring three rewriting tiers and the Phrasly Ultra engine. The platform is cost-effective f… - [Pictory](https://top10k.com/ai/pictory): Pictory converts scripts, blog URLs, images, and long-form recordings into structured video scenes using stock assets, ElevenLabs voices, and third-party generative models. Its value depends heavil… - [Pikzels](https://top10k.com/ai/pikzels): Pikzels is an AI YouTube packaging app offering Prompt-to-Thumbnail generation, Recreate cloning, and 5-pillar Pikzels Score™ analysis. Subscriptions range from $28/mo (Premium) to $80/mo (Ultimate… - [Pineapple Builder](https://top10k.com/ai/pineapple-builder): Pineapple Builder is an AI website builder associated with Aurity in London that includes hosting and SSL across Free, Basic ($12/month), and Grow ($24/month) plans as captured in September 2026. T… - [Pipedream](https://top10k.com/ai/pipedream): Pipedream is a developer-focused integration runtime combining serverless code steps, a remote Model Context Protocol (MCP) server, and embedded managed authentication. It delivers robust tool call… - [Podcastle](https://top10k.com/ai/podcastle): Podcastle (DBA Async) combines multitrack remote audio-video recording, speech-to-text timeline editing, voice cloning, and direct RSS publishing into a unified, browser-based studio governed by mo… - [PopAi](https://top10k.com/ai/popai) - [PopAi AI Sheets](https://top10k.com/ai/popai-sheets): PopAi AI Sheets is an AI-native spreadsheet workspace designed to extract data from unstructured documents like PDFs, receipts, and messy CSVs into structured tables. It operates as a distinct stan… - [Predis](https://top10k.com/ai/predis): Predis.ai merges generative creative production (static graphics, short-form video, UGC avatars, and carousel posts) with multi-channel publishing and competitor tracking, targeting e-commerce stor… - [Prepostseo](https://top10k.com/ai/prepostseo): Prepostseo is a multi-utility web application combining content optimization tools (plagiarism checking, paraphrasing, OCR) and basic technical SEO metrics into an accessible, low-friction toolkit.… - [PromeAI](https://top10k.com/ai/promeai): PromeAI is a controllable generative visual platform by Team LibAI tailored for architects, interior designers, and visual creators, turning line drawings, 3D screenshots, and sketches into styled … - [Pykaso (Pyksel)](https://top10k.com/ai/pykaso): URGENT OPERATIONAL NOTICE: Pyksel (formerly operating as Pykaso) has formally announced its permanent platform shutdown effective September 30, 2026. This review is an urgent migration and data-exp… - [Rank Math](https://top10k.com/ai/rank-math): Rank Math is a modular WordPress SEO plugin that consolidates technical search tasks, rich schema markup generation, redirect management, XML sitemaps, and search console tracking into the WordPres… - [Rask AI](https://top10k.com/ai/rask-ai): Rask AI is a Delaware-based BRASK INC. media localization platform translating audio and video into over 130 languages, providing automated voice cloning across 33 languages and dialects, and synth… - [Revid.ai](https://top10k.com/ai/revidai): Revid AI is a browser-based generative video suite that transforms text, audio, and URLs into vertical short-form videos with automated captions, voiceovers, and scheduled social distribution. Whil… - [Rewarx](https://top10k.com/ai/rewarx): Rewarx Studio is an AI ecommerce visual suite offering tools across 20+ industries, but official vendor documentation presents irreconcilable pricing models and explicit product fidelity caveats th… - [Rytr](https://top10k.com/ai/rytr): Rytr is a budget-accessible AI copywriting assistant designed for short-form marketing tasks and structured drafting across 40+ use cases. Based on September 2026 vendor specifications, plans range… - [Saner](https://top10k.com/ai/saner): Saner.AI is an AI-powered personal productivity workspace combining note-taking, email triage, and calendar task planning. Built with neurodivergent and ADHD workflows in mind, it utilizes conversa… - [Scispace](https://top10k.com/ai/scispace): SciSpace provides an academic-focused research workspace grounded in a corpus of over 280 million indexed scholarly articles. It excels at structured literature reviews and verified citation extrac… - [Screen Studio](https://top10k.com/ai/screen-studio): Screen Studio is an opinionated macOS screen recorder that automates zoom animations, cursor smoothing, and framing for polished product demos. It operates locally with on-device transcription, but… - [SellerPic](https://top10k.com/ai/sellerpic): SellerPic is a specialized generative AI visual suite for apparel and accessory merchants, providing virtual try-on, mannequin-to-model conversion, multi-model video generation, and Shopify catalog… - [Seobility](https://top10k.com/ai/seobility): Seobility is an accessible, European-hosted all-in-one SEO suite designed for small-to-midsize businesses and boutique agencies. It pairs deep technical site crawls and prioritized remediation list… - [Sider](https://top10k.com/ai/sider): Sider by Vidline Inc. integrates foundation AI models into a persistent browser sidebar across Chat, Hand, Code, and Create capabilities. Commercial viability depends on navigating monthly credit r… - [Simplified](https://top10k.com/ai/simplified): Simplified integrates AI copywriting, graphic design, video creation, and social scheduling into a single agentic suite. While Starter at $79 per month curbs multi-tool subscription sprawl, strict … - [Skywork](https://top10k.com/ai/skywork): Skywork unites multimodal generative creation (slides, documents, spreadsheets, audio, web assets) with a distinct hardware-tied voice recorder tier (Skywork Note). Commercial viability depends on … - [SlidesAI](https://top10k.com/ai/slidesai): SlidesAI is an AI presentation generator built as an add-on for Google Slides and Microsoft PowerPoint. It turns raw text, outlines, and documents into editable slides, subject to tiered character … - [SlideSpeak](https://top10k.com/ai/slidespeak): SlideSpeak is an AI presentation generator and document-conversion platform designed to turn prompts, web links, and existing files (PowerPoint, PDF, Word, Excel) into editable presentations, summa… - [Sports Sim AI](https://top10k.com/ai/sports-sim-ai): Sports Sim AI delivers daily automated sports betting picks via SMS at 9:00 AM EST across major US leagues with an optional VIP phone coaching tier. However, unverified vendor claims of a 67% win r… - [Ssemble](https://top10k.com/ai/ssemble): Ssemble is a browser-based AI video repurposing platform designed to transform horizontal, long-form content into vertical short clips for TikTok, YouTube Shorts, and Instagram Reels. Key capabilit… - [Style3D AI](https://top10k.com/ai/style3d-ai): Style3D AI is a specialized generative web application for apparel ideation, sketch-to-garment rendering, textile print exploration, and model virtual try-on, operating distinct from 3D CAD pattern… - [Submagic](https://top10k.com/ai/submagic): Submagic is an AI-driven, browser-based video editing platform tailored for short-form content. It automates speech-to-text captions across 48+ claimed languages, auto-cuts silences, layers stock B… - [Surfer](https://top10k.com/ai/surfer): Surfer is a SaaS platform providing content intelligence and search analytics tools across tiered monthly and annual subscriptions. Based strictly on published vendor documentation, Surfer offers d… - [Syllaby.io](https://top10k.com/ai/syllabyio): Syllaby.io is a multi-model video marketing platform that integrates topic research, AI script writing, avatar and faceless video rendering, and social post scheduling into a single credit-metered … - [Synthesia](https://top10k.com/ai/synthesia): Synthesia replaces physical camera setups with synthetic avatar rendering and script-based localization in 160+ languages. It is purpose-built for enterprise L&D and enablement teams seeking to mai… - [Taskade](https://top10k.com/ai/taskade): Taskade has transitioned from a nested outliner into a multi-agent operational workspace powered by Taskade Genesis. For $10 per month (billed annually for 10 users on Pro), it offers one of the mo… - [TextCortex AI](https://top10k.com/ai/textcortex-ai): TextCortex AI is a workspace platform by Text Cortex AI UG (haftungsbeschränkt) in Berlin, Germany, integrating models from Anthropic, OpenAI, Google, and Mistral into browser workflows, custom age… - [TimelinesAI](https://top10k.com/ai/timelinesai): TimelinesAI connects WhatsApp numbers (personal, WhatsApp Business app, or official WABA) directly to CRMs like HubSpot, Pipedrive, and Salesforce. It provides a centralized team inbox, automated s… - [Crush AI](https://top10k.com/ai/trycrush): Crush AI is an autonomous media buying software designed exclusively for Meta ad accounts (Facebook and Instagram). It generates ad copy and visuals, launches campaigns directly via API, shifts liv… - [Turbologo](https://top10k.com/ai/turbologo): Turbologo is an online branding platform that generates logos, brand kits, and marketing collateral through AI and modular templates. Instead of locking users into ongoing software subscriptions, i… - [Tweet Hunter](https://top10k.com/ai/tweet-hunter): Tweet Hunter is a dedicated X (Twitter) growth and monetization suite combining a 12M+ viral tweet swipe file, AI writing assistants, workflow automations (Auto DM, Auto-plug, Auto-retweet), and an… - [Typefully](https://top10k.com/ai/typefully): Typefully is a focused social publishing platform and writing environment supporting X, LinkedIn, Bluesky, Threads, Mastodon, and Substack Notes. It distinguishes itself with distraction-free draft… - [Uberduck](https://top10k.com/ai/uberduck): Uberduck is an AI audio generation platform specializing in synthetic vocals, text-to-rap, text-to-singing, and custom voice cloning. While it offers developer API access and accessible commercial … - [Vbee](https://top10k.com/ai/vbee): Vbee AIVoice is a cloud-based speech synthesis suite developed by VBEE AITALK, delivering regional Vietnamese text-to-speech, custom voice cloning, and direct MP3 or WAV audio exports alongside an … - [VEED](https://top10k.com/ai/veed): VEED consolidates social video editing, AI video generation, and automated subtitling into a web browser interface. It removes friction for marketing and UGC teams needing quick turnaround, but hig… - [VideoGen](https://top10k.com/ai/videogen): VideoGen provides automated video generation with an asynchronous REST API, Model Context Protocol support, and free 1080p MP4 exports. Generative compute is billed via a tiered rate card spanning … - [VideoProc](https://top10k.com/ai/videoproc): VideoProc Converter AI by Digiarty Software is a standalone desktop multimedia conversion, neural enhancement, compression, disc digitization, and screen capture package. Operating strictly under a… - [vidIQ](https://top10k.com/ai/vidiq): vidIQ provides a specialized YouTube optimization suite integrating search research, competitor intelligence, and generative AI features. Commercial viability hinges on credit burn rates across AI … - [Vizard](https://top10k.com/ai/vizard): Vizard (Vizard.ai) is a specialized cloud-based video repurposing platform engineered to extract engaging short-form vertical clips from long-form recordings. Built around an automated workflow wit… - [Voila](https://top10k.com/ai/voila): Voilà is an ambient AI productivity assistant deployed across major web browsers and desktop operating systems to deliver inline writing, web page reading, Gmail thread response drafting, and outbo… - [Walter Writes AI](https://top10k.com/ai/walter-writes-ai): Walter Writes AI combines text restructuring with an integrated detection scanner, allowing teams to rewrite LLM drafts and estimate detector scores in a single interface. - [WaveSpeedAI](https://top10k.com/ai/wavespeed-ai): WaveSpeedAI aggregates 1,000+ generative image, video, and audio models under a unified REST API and web console. Operating on a prepaid, non-expiring credit model without recurring subscriptions, … - [Wegic](https://top10k.com/ai/wegic): Wegic is a conversational AI website builder that generates and refines multi-page websites through natural language chat. Paid plans start at $39.90 monthly (or $23.90 per month billed annually) a… - [Windsor.ai](https://top10k.com/ai/windsorai): Windsor.ai is a no-code ELT data integration service connecting 350+ marketing, CRM, and ad sources to data warehouses, BI tools, and LLMs. Its standout evolution in 2026 is bidirectional automatio… - [Winston AI](https://top10k.com/ai/winston-ai): Winston AI provides multi-model AI text and image detection with built-in OCR and plagiarism scanning. It distinguishes itself with SOC 2 compliance, strict no-training data policies, and exportabl… - [Writesonic](https://top10k.com/ai/writesonic): Writesonic has transitioned from a pure generative copywriting assistant into a Generative Engine Optimization (GEO) platform. It pairs AI search visibility tracking across engines like ChatGPT, Ge… - [Zebracat](https://top10k.com/ai/zebracat): Zebracat packages text-to-video generation, third-party generative video engines, avatar synthesis, and social scheduling into an automated video production agent. This desk review examines its mul… - [Zeemo AI](https://top10k.com/ai/zeemo-ai): Zeemo AI is an AI-assisted video editing and subtitling suite combining automated multilingual captions with multi-modal generation, operating on a unified credit system across mobile and web inter…