Ring Size Guide
- Use a ring that fits the desired finger.
- Measure the internal diameter of the ring (in mm). Ensure your ruler starts at the 0mm mark.
| Circumference (mm) | Diameter (mm) | US Size | EU | JP/SG Size | HK Size |
| 44.2 | 14.1 | 3 | 44 | 4 | 6 |
| 45 | 14.3 | 3.25 | 45 | 5 | 7 |
| 46 | 14.6 | 3.75 | 46 | 6 | 8 |
| 46.8 | 14.9 | 4 | 47 | 7 | 9 |
| 48 | 15.3 | 4.5 | 48 | 8 | 10 |
| 49.3 | 15.7 | 5 | 49 | 9 | 11 |
| 50.6 | 16.1 | 5.5 | 51 | 10 | 12 |
| 51.9 | 16.5 | 6 | 52 | 11 | 13 |
| 53.1 | 16.9 | 6.5 | 53 | 13 | 14 |
| 53.7 | 17.1 | 6.75 | 54 | 14 | 15 |
| 54.4 | 17.3 | 7 | 55 | 15 | 16 |
| 55.7 | 17.7 | 7.5 | 56 | 16 | 17 |
| 57 | 18.1 | 8 | 57 | 17 | 18 |
| 58.3 | 18.5 | 8.5 | 58 | 18 | 19 |
| 59 | 18.8 | 8.75 | 59 | 19 | 20 |
| 59.5 | 19 | 9 | 60 | 20 | 21 |
