Roman Numeral Converter
roman_numeral_converterRead-onlyIdempotent
MCMXCIX is 1999 and 2026 is MMXXVI. Convert any number from 1 to 3999 into Roman numerals, or decode a numeral back to a number, with each symbol explained. Web page: https://calcbright.com/roman-numeral-converter
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| mode | No | Convert | toRoman |
| roman | No | Roman numeral | MMXXVI |
| number | No | Number |