Roman Numeral Converter
Type a number (like 2026) or a Roman numeral (like MMXXVI).
How this calculator works
Roman numerals use seven letters: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500 and M = 1000. A smaller letter before a larger one is subtracted (IV = 4, IX = 9), otherwise letters are added. The standard system covers 1 to 3999.
Frequently asked questions
What is the biggest number in Roman numerals?
3999 (MMMCMXCIX) in the standard system, since the letter M cannot be repeated more than three times.
Is there a Roman numeral for zero?
No. The Romans had no symbol for zero.
How do I write the current year?
Type the year as a number and the converter returns the numeral.
