Roman numerals

A repeated letter repeats its value; a letter placed after one of greater value adds to it; a letter placed before one of greater value substracts from it; a dashline over a letter denotes multiplied by 1,000.

1
I
70
LXX
2
II
75
LXXV
3
III
79
LXXIX
4
IV
80
LXXX
5
V
89
LXXXIX
6
VI
90
XC
7
VII
95
XCV
8
VIII
99
XCIX
9
IX
100
C
10
X
150
CL
15
XV
200
CC
19
XIX
300
CCC
20
XX
400
CD
30
XXX
500
D
40
XL
600
DC
45
XLV
700
DCC
49
XLIX
800
DCCC
50
L
900
CM
59
LIX
1000
M
60
LX
1500
MD
69
LXIX
2000
MM
3000
MMM
4000
MV
5000
V
1,000,000
M

Dates

MDC
1600
MCMXXX
1930
MDCC
1700
MCMXL
1940
MDCCC
1800
MCML
1950
MCM or
1900
MCMLX
1960
MDCCCC
MCMLXX
1970
MCMX
1910
MCMLXXX
1980
MCMXX
1920

 

Copyright © 2002 M.B. Enzymes GmbH