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Roman Numeral Converter

Convert numbers to Roman numerals and back.

Result

MMXXIV= 2024

About

Type any number from 1 to 3999 and get its Roman numeral. Or paste a Roman numeral and get the integer back. Useful for movie sequel naming, Super Bowl debates, and clock face design.

How to use

  1. Type a number or a Roman numeral.
  2. See the conversion live.

FAQ

Why does it cap at 3999?+

The standard subtractive notation only goes up to MMMCMXCIX (3999). Beyond that, Romans used a vinculum (overline) to multiply by 1000, which doesn't render in plain text.