Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers.

Features

  • Convert numbers to Roman numerals and Roman numerals back to numbers.
  • Supports the standard range of 1 to 3999.
  • Two-way, real-time conversion as you type in either field.

How to Use

  1. Type a number (1–3999) to see its Roman numeral.
  2. Or type a Roman numeral (e.g. MMXXIV) to see the number.