Ring Size Guide
| Size | Circumference (mm) | Diameter (mm) |
| 1 | 38.9 | 12.4 |
| 2 | 39.9 | 12.7 |
| 3 | 41.1 | 13.1 |
| 4 | 42.1 | 13.4 |
| 5 | 43.3 | 13.8 |
| 6 | 44.3 | 14.1 |
| 7 | 45.2 | 14.4 |
| 8 | 46.5 | 14.8 |
| 9 | 47.7 | 15.2 |
| 10 | 48.7 | 15.5 |
| 11 | 49.9 | 15.9 |
| 12 | 50.9 | 16.2 |
| 13 | 52.1 | 16.6 |
| 14 | 53.4 | 17.0 |
| 15 | 54.3 | 17.3 |
| 16 | 55.3 | 17.6 |
| 17 | 56.5 | 18.0 |
| 18 | 57.8 | 18.4 |
| 19 | 58.7 | 18.7 |
| 20 | 59.9 | 19.1 |
| 21 | 60.9 | 19.4 |
| 22 | 62.2 | 19.8 |
| 23 | 63.1 | 20.1 |
| 24 | 64.4 | 20.4 |
| 25 | 65.3 | 20.8 |
| 26 | 66.6 | 21.2 |
| 27 | 67.5 | 21.5 |
| 28 | 68.5 | 21.8 |
| 29 | 69.7 | 22.2 |
| 30 | 70.6 | 22.5 |
| 31 | 71.6 | 22.8 |
| 32 | 72.8 | 23.2 |
| 33 | 74.1 | 23.6 |
