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Roman Numerals

I=1   (I with a bar is not used)
V=5   _
V=5,000
X=10   _
X=10,000
L=50   _
L=50,000
C=100   _
C = 100 000
D=500   _
D=500,000
M=1,000   _
M=1,000,000

Roman Numeral Calculator

Examples:

Roman Numeral Calculator

Examples:

1 = I
2 = II
3 = III
4 = IV 5 = V
6 = VI
7 = VII
8 = VIII
9 = IX
10 = X
11 = XI
12 = XII
13 = XIII
14 = XIV
15 = XV
16 = XVI
17 = XVII
18 = XVIII
19 = XIX
20 = XX
21 = XXI
25 = XXV
30 = XXX
40 = XL
49 = XLIX
50 = L
51 = LI
60 = LX
70 = LXX
80 = LXXX
90 = XC
99 = XCIX

here is no zero in the roman numeral system.

The numbers are built starting from the largest number on the left, and adding smaller numbers to the right. All the numerals are then added together.

The exception is the subtracted numerals, if a numeral is before a larger numeral, you subtract the first numeral from the second. That is, IX is 10 - 1= 9.

This only works for one small numeral before one larger numeral - for example, IIX is not 8, it is not a recognized roman numeral.

There is no place value in this system - the number III is 3, not 111.

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