Measure the inner diameter of a ring that fits you well and find your US size below.
| US size | Inner diameter (mm) |
|---|---|
| 5 | 15.7 |
| 6 | 16.5 |
| 7 | 17.3 |
| 8 | 18.2 |
| 9 | 19.0 |
| 10 | 19.8 |
| 11 | 20.6 |
| 12 | 21.4 |
Between sizes? Choose the larger one. Open rings can be gently adjusted.
Measure the inner diameter of a ring that fits you well and find your US size below.
| US size | Inner diameter (mm) |
|---|---|
| 5 | 15.7 |
| 6 | 16.5 |
| 7 | 17.3 |
| 8 | 18.2 |
| 9 | 19.0 |
| 10 | 19.8 |
| 11 | 20.6 |
| 12 | 21.4 |
Between sizes? Choose the larger one. Open rings can be gently adjusted.