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Roman Numeral Converter

Convert numbers to Roman numerals and back.

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About the Roman Numeral Converter

Roman Numeral Converter converts numbers from 1 to 3999 into Roman numerals and validates and converts Roman numerals back into numbers, with a reference table of symbols.

How to use the Roman Numeral Converter

  1. Type a number or a Roman numeral.
  2. Read the conversion instantly.
  3. Copy the result.

Frequently asked questions

Why is the limit 3999?

Standard Roman numerals have no symbol above M (1000) and do not repeat a symbol more than three times.

How is 2026 written?

MMXXVI.