Roman Numeral Symbols
Browse all standard Roman numeral symbols with their values and Unicode code points, and convert any integer to Roman numerals or back.
Roman Numeral Reference Table
Click any row to copy the symbol.
| Symbol | Name | Decimal Value | Unicode (Latin letter) | Unicode (Dedicated) |
|---|
Integer to Roman Numeral
Enter a number from 1 to 3999.
Result appears here.
Roman Numeral to Integer
Enter a Roman numeral string, e.g. MMXXIV.
Result appears here.
Subtractive Notation Pairs
IV
4
IX
9
XL
40
XC
90
CD
400
CM
900
A smaller symbol placed before a larger one is subtracted rather than added.
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Summary
Browse all standard Roman numeral symbols with their values and Unicode code points, and convert any integer to Roman numerals or back.
How it works
- The symbol table lists all seven Roman numeral characters with their decimal values and Unicode code points.
- Click any symbol card to copy that character to your clipboard.
- Enter an integer (1–3999) in the converter to see its Roman numeral representation.
- Or enter a Roman numeral string to convert it back to a decimal number.
- The converter updates instantly as you type.
Use cases
- Copy Roman numeral characters for chapter headings in Word or Google Docs.
- Find the Unicode code point for a Roman numeral symbol.
- Convert year numbers to Roman numerals for use in design work or engraving.
- Check the value of an unfamiliar Roman numeral string.
- Insert Roman numerals into LaTeX or HTML documents.
- Use Roman numerals in outlines, lists, or legal documents.
- Teach Roman numeral rules interactively.
- Reference subtractive notation rules (IV, IX, XL, XC, CD, CM).
Frequently Asked Questions
Last updated: 2026-06-10 ·
Reviewed by Nham Vu