b2KIT

Roman Numeral Converter

Convert between Roman numerals and Arabic numbers with validation.

How to Use Roman Numeral Converter

  1. 1

    Enter a number

    Type a decimal number or Roman numeral to convert.

  2. 2

    See the conversion

    View the result instantly as you type in either direction.

  3. 3

    Copy the result

    Click copy to grab the converted Roman numeral or number.

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