Roman Numeral Converter: Arabic ↔ Roman (I–MMMCMXCIX)
2026-05-24
Quick Answer
Quick Answer: Roman numerals use letters I, V, X, L, C, D, M for 1, 5, 10, 50, 100, 500, 1000. Example: 2024 = MMXXIV. Convert both ways with our Roman Numeral Converter.
Basic symbols
| Symbol | Value |
|---|---|
| I | 1 |
| V | 5 |
| X | 10 |
| L | 50 |
| C | 100 |
| D | 500 |
| M | 1000 |
Subtractive notation
- IV = 4 (5 − 1), not IIII
- IX = 9 (10 − 1)
- XL = 40, XC = 90, CD = 400, CM = 900
Examples
| Arabic | Roman |
|---|---|
| 14 | XIV |
| 49 | XLIX |
| 1999 | MCMXCIX |
| 2024 | MMXXIV |
Standard modern form supports 1–3999 (no more than three repeated I, X, or C in a row).
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Frequently Asked Questions
Why no zero in Roman numerals?
Ancient Romans had no symbol for zero; the system starts at I (1).
Clock faces use IIII for 4?
Some clocks use IIII instead of IV for aesthetics—our tool follows standard subtractive rules.
Can I convert years for tattoos?
Double-check important dates with our tool—permanent ink deserves a second look!
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