The numbers 312 to 318 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 312 | = | CCCXII | = | 100 + 100 + 100 + 10 + 1 + 1 |
| 313 | = | CCCXIII | = | 100 + 100 + 100 + 10 + 1 + 1 + 1 |
| 314 | = | CCCXIV | = | 100 + 100 + 100 + 10 + 5 − 1 |
| 315 | = | CCCXV | = | 100 + 100 + 100 + 10 + 5 |
| 316 | = | CCCXVI | = | 100 + 100 + 100 + 10 + 5 + 1 |
| 317 | = | CCCXVII | = | 100 + 100 + 100 + 10 + 5 + 1 + 1 |
| 318 | = | CCCXVIII | = | 100 + 100 + 100 + 10 + 5 + 1 + 1 + 1 |