Roman Numeral Converter
Convert numbers to Roman numerals and vice-versa, a classic utility for historical references.
Enter Number or Roman Numeral
Convert to Roman
Convert to Number
Result
Note:
• Numbers: 1-3999 are supported
• Roman numerals: I=1, V=5, X=10, L=50, C=100, D=500, M=1000
• Subtractive notation: IV=4, IX=9, XL=40, XC=90, CD=400, CM=900
← Back to All Tools