Roman numerals to decimal number conversion
| 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 |
Example #1
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 |
Example #2
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 |
Example #3
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 |