🧮AlphaCalc

Roman Numeral Converter

Convert between regular numbers and Roman numerals in both directions.

Cómo funciona

Builds the numeral from the largest matching symbol values (M, CM, D, CD, C...) or parses Roman symbols back into a number.

What's the largest number supported?

Standard Roman numerals go up to 3999 (MMMCMXCIX).