Roman Numeral Converter

Convert numbers to Roman numerals, or Roman numerals back to numbers.

Number → Roman

Roman → Number

Result
MCMXCIV

How This Works

Roman numerals use seven letters (I, V, X, L, C, D, M) representing 1, 5, 10, 50, 100, 500, and 1000. Numbers are built by combining these, with a smaller value placed before a larger one meaning subtraction (like IV = 4, not IIII).

Reference Table

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

Frequently Asked Questions

How do you write 1994 in Roman numerals?

1994 is written as MCMXCIV.

What is the largest number Roman numerals can represent?

Using the standard system, 3,999 (MMMCMXCIX) is the largest number that can be written without special notation.