The numbers 1218 to 1224 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1218 | = | MCCXVIII | = | 1000 + 100 + 100 + 10 + 5 + 1 + 1 + 1 |
| 1219 | = | MCCXIX | = | 1000 + 100 + 100 + 10 + 10 − 1 |
| 1220 | = | MCCXX | = | 1000 + 100 + 100 + 10 + 10 |
| 1221 | = | MCCXXI | = | 1000 + 100 + 100 + 10 + 10 + 1 |
| 1222 | = | MCCXXII | = | 1000 + 100 + 100 + 10 + 10 + 1 + 1 |
| 1223 | = | MCCXXIII | = | 1000 + 100 + 100 + 10 + 10 + 1 + 1 + 1 |
| 1224 | = | MCCXXIV | = | 1000 + 100 + 100 + 10 + 10 + 5 − 1 |