About Roman Numerals

Roman numerals are a numeral system originating in ancient Rome, using combinations of letters from the Latin alphabet.

The basic symbols are:

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

This converter supports numbers from 1 to 3999, which is the practical range for standard Roman numeral notation.

Subtractive notation is used (e.g., IV = 4, IX = 9).