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Roman to Number Converter

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What is Roman Numeral to Number Converter?

Roman numerals write numbers with the letters I, V, X, L, C, D and M. They are still used for clock faces, book chapters, film sequels and the years on monuments.

What this tool does

Converts a Roman numeral you type into a regular number. If it contains a letter that is not a Roman numeral, the tool shows an error.

How to use it

  1. Type a Roman numeral, for example MCMXCIV.
  2. Read the number it stands for.
  3. Use it to check dates and chapter numbers.

Did you know?

  • A smaller letter placed before a larger one is subtracted, so IV is 4 and IX is 9.
  • Roman numerals have no symbol for zero.
  • The standard form can write numbers up to 3,999, which is MMMCMXCIX.

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