Roman Numeral Converter

Roman Number System

Roman numerals use letters such as I, V, X, L, C, D, and M to represent numbers.

Range: Standard Roman numerals here support 1 to 3999.

Understanding Roman Numerals

1. What This Calculator Measures

Roman numerals use letter symbols to represent whole numbers.

2. How the Calculation Works

The converter subtracts large Roman values when converting numbers to Roman form, and validates standard subtractive notation when converting Roman numerals back to numbers.

3. Formula or Rule Used

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

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