Ring Size Chart
| Circumference (mm) | Diameter (mm) | Size (HK) | Size (US) | Size (UK) |
|---|---|---|---|---|
| 43.3 | 13.8 | 5 | 2.75 | |
| 44.3 | 14.1 | 6 | 3 | |
| 45.5 | 14.5 | 7 | 3.5 | |
| 46.5 | 14.8 | 8 | 3.75 | |
| 47.7 | 15.2 | 9 | 4.25 | |
| 48.7 | 15.5 | 10 | 4.75 | |
| 49.9 | 15.9 | 11 | 5.25 | |
| 50.9 | 16.2 | 12 | 5.5 | |
| 52.1 | 16.6 | 13 | 6 | |
| 53.1 | 16.9 | 14 | 6.5 | |
| 54.3 | 17.3 | 15 | 7 | |
| 55.6 | 17.7 | 16 | 7.5 | |
| 56.5 | 18 | 17 | 7.75 | |
| 57.5 | 18.3 | 18 | 8.25 | |
| 58.7 | 18.7 | 19 | 8.75 | |
| 59.7 | 19 | 20 | 9 | |
| 60.9 | 19.4 | 21 | 9.5 | |
| 61.9 | 19.7 | 22 | 10 | |
| 63.1 | 20.1 | 23 | 10.25 | |
| 64.1 | 20.4 | 24 | 10.75 | |
| 62.3 | 20.8 | 25 | 11.25 | |
| 66.3 | 21.1 | 26 | 11.5 | |
| 67.5 | 21.5 | 27 | 12 | |
| 68.5 | 21.8 | 28 | 12.5 | |
| 69.7 | 22.2 | 29 | 12.75 | |
| 70.7 | 22.5 | 30 | 13.25 |