Roman Numeral Converter

Roman Numeral Converter

Convert between Roman numerals and Arabic numbers

roman
numeral
numbers
Quick Examples
Click any example to try it out
1Arabic to Roman
Convert Arabic numbers (1-3999) to Roman numerals
2Roman to Arabic
Convert Roman numerals to Arabic numbers
Roman Numeral Reference

Basic Symbols

I = 1
V = 5
X = 10
L = 50

Advanced Symbols

C = 100
D = 500
M = 1000

Subtractive Notation

IV = 4
IX = 9
XL = 40
XC = 90

More Examples

CD = 400
CM = 900
MMM = 3000

Complete Guide: Roman Numeral Converter

Everything you need to know about using Roman Numeral Converter effectively