Roman Numeral Converter

Convert between decimal numbers and Roman numerals with each symbol labeled

1994 → MCMXCIV

Roman numeral

MCMXCIV

Symbol breakdown

M= 1000×11000

CM= 900×1900

XC= 90×190

IV= 4×14

About this calculator

The Roman Numeral Converter translates any integer from 1 to 3,999 into Roman numerals and back, with a full symbol-by-symbol breakdown of the conversion. Convert decimal numbers to Roman numerals or decode Roman numerals to decimal in one click. Useful for history, clock faces, book chapters, and Super Bowl trivia.

Common examples

14 → XIV (X=10, IV=4)
2024 → MMXXIV (MM=2000, XX=20, IV=4)
399 → CCCXCIX (CCC=300, XC=90, IX=9)
XLII → 42 (XL=40, II=2)
MCMXCIX → 1,999 (M=1000, CM=900, XC=90, IX=9)