🏛ïļ Roman Numeral Converter

Convert numbers to Roman numerals and back.

Type in either box — the other updates automatically. Supports 1–3999.

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📘 How to Use This Tool

Convert regular numbers to Roman numerals, or Roman numerals back to regular numbers.

  1. To convert a number to Roman numerals, enter a number between 1 and 3999 and click Convert.
  2. To convert Roman numerals to a number, type the Roman numeral (e.g. XIV) and click Convert.
  3. The converted result appears instantly in the output box.

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