Roman Numerals Converter
Result
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Roman Numerals Chart
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | VII | VIII | IX | X |
| 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| X | XX | XXX | XL | L | LX | LXX | LXXX | XC | C |
| 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
| C | CC | CCC | CD | D | DC | DCC | DCCC | CM | M |
What are Roman numerals?
Roman numerals are a number system from ancient Rome using letters: I (1), V (5), X (10), L (50), C (100), D (500), M (1000).
How do Roman numerals work?
Larger values come first, but if a smaller value precedes a larger one, it's subtracted. Example: IV = 4 (5−1), IX = 9 (10−1), XL = 40 (50−10).
What is the largest Roman numeral number?
With standard notation, the highest number is 3999 (MMMCMXCIX). Romans used a bar notation for larger numbers, multiplying by 1000.