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Roman Numerals


Seven letters (I, V, X, L, C, D, M) alone and in combination are used to represent most commonly used values.

A repeated letter repeats the value of the letter.

A letter that is placed immediately after one of greater value adds to it.

A letter placed before one of greater value subtracts from it.

A dashline over a letter denotes a value that is equal to the normal value of the letter multiplied by 1,000.

I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1,000


I - 1
II - 2
III - 3
IV - 4
V - 5
VI - 6
VII - 7
VIII - 8
IX - 9
X - 10
XI - 11
XII - 12
XIII - 13
XIV - 14
XV - 15
XVI - 16
XVII - 17
XVIII - 18
XIX - 19
XX - 20
XXI - 21
XXV - 25
XXIX - 29
XXX - 30
XXXIX - 39
XL - 40
XLV - 45
XLIX - 49
L - 50
LV - 55
LIX - 59
LX - 60
LXV - 65
LXIX - 69
LXX - 70
LXXV - 75
LXXIX - 79
LXXX - 80
LXXXV - 85
LXXXIX - 89
XC - 90
XCV - 95
XCIX - 99
C - 100
CL - 150
CC - 200
CCC - 300
CD - 400
D - 500
DC - 600
DCC - 700
DCCC - 800
CM - 900
M - 1,000
MD - 1,500
MM - 2,000


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