Roman Numeral Converter
Convert between numbers and Roman numerals
Reference Table
| Number | Roman |
|---|---|
| 1 | I |
| 4 | IV |
| 9 | IX |
| 14 | XIV |
| 40 | XL |
| 50 | L |
| 90 | XC |
| 100 | C |
| 400 | CD |
| 500 | D |
| 900 | CM |
| 1000 | M |
| 1776 | MDCCLXXVI |
| 1999 | MCMXCIX |
| 2024 | MMXXIV |
| 2026 | MMXXVI |
| 3999 | MMMCMXCIX |
How Roman Numerals Work
Basic symbols: I=1, V=5, X=10, L=50, C=100, D=500, M=1000
Subtractive notation: A smaller value before a larger one means subtract (IV=4, IX=9, XL=40, XC=90, CD=400, CM=900)
Maximum: 3999 (MMMCMXCIX)
Rule: Never more than 3 of the same symbol in a row