Roman Numeral Converter:

A letter with a bar over it multiplies that value by 1,000. For example, M equals 1,000,000. These numbers can be entered by putting an underscore before the letter, such as _M for the previous example.
Integer:
Roman Numeral:

All Roman Numerals:

Roman Numeral Value
I 1
V 5
X 10
L 50
C 100
D 500
M 1,000
V 5,000
X 10,000
L 50,000
C 100,000
D 500,000
M 1,000,000