Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers (1–3999).

Results

Resultβ€”

How to use the Roman Numeral Converter

  1. Enter or select: Number or Roman numeral.
  2. The results (Result) are calculated instantly as you type.
  3. Use β€œCopy link” to share the calculation with the same input values.

Formula

  • I=1 V=5 X=10 L=50 C=100 D=500 M=1000