Roman Numerals Converter
Convert numbers to Roman numerals and Roman numerals to numbers free online instantly. Perfect for dates, Super Bowl numbers, movie sequels, and clock faces.
Instant
Private
Free
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Common Examples
Symbols Reference
| Symbol | Arabic Value |
|---|---|
| I | 1 |
| V | 5 |
| X | 10 |
| L | 50 |
| C | 100 |
| D | 500 |
| M | 1000 |
Quick Tip
"Roman numerals use subtractive notation. If a smaller symbol appears before a larger one, you subtract it. For example, IV is 4 (5 - 1) and IX is 9 (10 - 1)."
How to Use the Converter
1
Select conversion direction — Number to Roman or Roman to Number
2
Enter your number or Roman numeral in the input field
3
See instant conversion result — updates as you type
4
Copy your result with one click — free, no signup needed