Converters
Roman Numeral Converter
Convert in either direction between ordinary numbers and Roman numerals, with a breakdown showing exactly which symbols make up the result.
Runs entirely in your browser — nothing is uploaded
Number → Roman
MMXXVI
Roman → Number
2026
The seven symbols
| Symbol | Value | Note |
|---|---|---|
| I | 1 | Repeats up to three times: II, III |
| V | 5 | Never repeated |
| X | 10 | IX is 9, XL is 40 |
| L | 50 | Never repeated |
| C | 100 | XC is 90, CD is 400 |
| D | 500 | Never repeated |
| M | 1000 | CM is 900; MMM (3000) is the practical maximum |
Good to know
- Standard Roman numerals cover 1–3999; there is no symbol for zero and no widely agreed notation above 3999.
- Subtractive pairs (IV, IX, XL, XC, CD, CM) are used, which is the conventional modern form.