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Roman Numeral Converter

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

Result

Converted Value-

How to Use the Roman Numeral Converter

  1. Choose the conversion direction.
  2. Enter a number (1-3999) or a valid Roman numeral.
  3. Click Convert to see the result.

What are Roman Numerals?

Roman numerals are a number system from ancient Rome using letters: I=1, V=5, X=10, L=50, C=100, D=500, M=1000. This tool converts between Roman numerals and standard numbers.

Frequently Asked Questions

What is the highest number this supports?

Standard Roman numerals support numbers from 1 to 3999.