| Ring Size | Circumference(mm) |
| 3 | 44 |
| 4 | 46.8 |
| 4.5 | 48.1 |
| 5 | 49.3 |
| 5.25 | 49.9 |
| 5.5 | 50.6 |
| 6 | 51.8 |
| 6.5 | 53.4 |
| 7 | 54.3 |
| 7.5 | 55.7 |
| 7.75 | 56.4 |
| 8 | 57.1 |
| 8.5 | 58.4 |
| 9 | 59.7 |
| 9.5 | 60.9 |
| Resizable | 47-59 |
| 10 | 62.2 |
| 10.5 | 63.5 |
| 11 | 64.7 |
| 12 | 67.5 |
| 13 | 69.9 |
| 14 | 72.5 |
| 15 | 75 |
| Ring Size | Circumference(mm) |
| 3 | 44 |
| 4 | 46.8 |
| 4.5 | 48.1 |
| 5 | 49.3 |
| 5.25 | 49.9 |
| 5.5 | 50.6 |
| 6 | 51.8 |
| 6.5 | 53.4 |
| 7 | 54.3 |
| 7.5 | 55.7 |
| 7.75 | 56.4 |
| 8 | 57.1 |
| 8.5 | 58.4 |
| 9 | 59.7 |
| 9.5 | 60.9 |
| Resizable | 47-59 |
| 10 | 62.2 |
| 10.5 | 63.5 |
| 11 | 64.7 |
| 12 | 67.5 |
| 13 | 69.9 |
| 14 | 72.5 |
| 15 | 75 |