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Roman Numeral Converter

Convert numbers to Roman numerals and back.

Free · No sign-up · Works in your browser

About the Roman Numeral Converter

Free Roman numeral converter — convert numbers (1–3999) to Roman numerals and decode Roman numerals back to numbers.

How to use the Roman Numeral Converter

  1. 1Type a number to get the Roman numeral, or type a Roman numeral to get the number.
  2. 2Both fields stay in sync.
  3. 3Copy whichever you need.

Frequently asked questions

What range is supported?

Standard Roman numerals cover 1 to 3999. There's no symbol for zero or negative numbers.

What does MMXXVI mean?

MMXXVI is 2026: MM = 2000, XX = 20, VI = 6.

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