Ring Size Conversion Chart
| Ring Size (US) | Ring Size (UK) | Ring Size (JP/CH) | Finger Circumference (mm) | Ring Diameter (mm) |
|---|---|---|---|---|
| 4 | H ½ | 7 | 46.8 | 14.8 |
| 5 | J ½ | 9 | 49.3 | 15.6 |
| 6 | L ½ | 12 | 51.9 | 16.4 |
| 7 | N ½ | 14 | 54.4 | 17.2 |
| 8 | P ½ | 16 | 57.0 | 18.0 |
| 9 | R ½ | 18 | 59.5 | 18.9 |
| 10 | T ½ | 20 | 62.1 | 19.8 |
| 11 | V ½ | 23 | 64.6 | 20.6 |
| 12 | Y | 25 | 67.2 | 21.4 |