Roman Numeral Converter

Convert numbers to Roman numerals and vice versa

Number to Roman:

Roman to Number:

Number to Roman Result:

-

Roman to Number Result:

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Roman Numeral System

Basic Symbols:

I

= 1

V

= 5

X

= 10

L

= 50

C

= 100

D

= 500

M

= 1000

Subtraction Rule Examples:

IV = 4 (5 - 1)

IX = 9 (10 - 1)

XL = 40 (50 - 10)

XC = 90 (100 - 10)

CD = 400 (500 - 100)

CM = 900 (1000 - 100)

Common Numbers:

XIV = 14

XIX = 19

XLII = 42

XCIX = 99

CXL = 140

CDXLIV = 444