Any Base to Decimal Converter
Enter a number and its source base (2–36) to instantly get its decimal value.
Input
2
36
Valid digits for base 16: 0–9, A–F
Decimal Result
Enter a number and click Convert.
Decimal value
in base
=
in base 10
Step-by-step Breakdown
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Summary
Enter a number and its source base (2–36) to instantly get its decimal value.
How it works
- Enter the number you want to convert in the input field.
- Set the source base (radix) using the slider or type it directly — any value from 2 to 36.
- The decimal result appears instantly along with a step-by-step positional breakdown.
- Use the quick-base buttons (Binary, Octal, Hex) for the most common conversions.
- Click "Copy Result" to copy the decimal value to your clipboard.
Use cases
- Convert binary addresses or flags from embedded systems code to decimal.
- Decode hexadecimal color codes, memory addresses, or HTTP status values.
- Verify octal file permission values (e.g. chmod 755) in decimal.
- Understand base-36 encoded IDs used in URL shorteners and databases.
- Check homework answers for number-theory or computer-science coursework.
- Quickly sanity-check radix conversions without opening a calculator app.
Frequently Asked Questions
Last updated: 2026-06-09 ·
Reviewed by Nham Vu