Find your ring size
| US | Internal Diameter / Circumference (mm) |
UK |
|---|---|---|
| 4.2 | 15 / 47 | H |
| 4.5 | 15.3 / 48 | I |
| 4.9 | 15.7 / 49 | J |
| 5.3 | 16 / 50 | K |
| 5.7 | 16.3 / 51 | L |
| 6.1 | 16.7 / 52 | M |
| 6.5 | 16.9 / 53 | |
| 6.9 | 17.25 / 54 | N |
| 7.25 | 17.6 / 55 | O |
| 7.6 | 17.9 / 56 | P |
| 8 | 18.25 / 57 | |
| 8.4 | 18.6 / 58 | Q |
| 8.8 | 18.8 / 59 | R |
| 9.2 | 19.2 / 60 | S |
| 9.6 | 19.5 / 61 | T |
| 10 | 19.8 / 62 |
