How to convert roman numerals to decimal number.
For roman numeral r:
that is taken from the left part of the roman numeral r:
Roman numeral (n) | Decimal value (v) |
---|---|
I | 1 |
IV | 4 |
V | 5 |
IX | 9 |
X | 10 |
XL | 40 |
L | 50 |
XC | 90 |
C | 100 |
CD | 400 |
D | 500 |
CM | 900 |
M | 1000 |
x = x + v
r = XXXVI
Iteration # | Highest roman numeral (n) | Highest decimal value (v) | Decimal number (x) |
---|---|---|---|
1 | X | 10 | 10 |
2 | X | 10 | 20 |
3 | X | 10 | 30 |
4 | V | 5 | 35 |
5 | I | 1 | 36 |
r = MMXII
Iteration # | Highest roman numeral (n) | Highest decimal value (v) | Decimal number (x) |
---|---|---|---|
1 | M | 1000 | 1000 |
2 | M | 1000 | 2000 |
3 | X | 10 | 2010 |
4 | I | 1 | 2011 |
5 | I | 1 | 2012 |
r = MCMXCVI
Iteration # | Highest roman numeral (n) | Highest decimal value (v) | Decimal number (x) |
---|---|---|---|
1 | M | 1000 | 1000 |
2 | CM | 900 | 1900 |
3 | XC | 90 | 1990 |
4 | V | 5 | 1995 |
5 | I | 1 | 1996 |
How to convert number to roman numerals ►