Roman Numeral to Decimal Converter

Convert Roman numerals to decimal (base-10) representation.

Input (Roman)
Enter a Roman numeral
Output (Decimal)
Decimal representation

Roman Numeral to Decimal Conversion

Convert Roman numerals to decimal (base-10) numbers.

Examples:

  • MMXXIV Roman = 2024 decimal
  • C Roman = 100 decimal
  • XII Roman = 12 decimal

Roman Symbols:

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