Convert Roman numerals to standard numbers. Quickly decode any Roman numeral string into its numeric value.
Convert Roman numerals to standard numbers. Quickly decode any Roman numeral string into its numeric value.
Enter a valid Roman numeral (I, V, X, L, C, D, M).
Each symbol has a fixed value. If a smaller value precedes a larger one, it is subtracted; otherwise, values are added.
How this calculator works
Each symbol has a fixed value. If a smaller value precedes a larger one, it is subtracted; otherwise, values are added.
Common questions about this calculator
