Ring Sizing - With Ring
- Use a ruler to measure the inner diameter of a ring that fits your desired finger (in mm).
- Compare the measurement to the below chart.
- Round up if you are in between two sizes.
| Inner Diameter (mm) | Ring Size (US) | Ring Size (UK & AUS) | Ring Size (EUR) | Ring Size (East Asia / Japan) |
|---|---|---|---|---|
| 13.2 | 2 | D | 42.5 | 2 |
| 14.1 | 3 | F | 44.2 | 4 |
| 14.9 | 4 | H | 46.8 | 7 |
| 15.7 | 5 | J | 49.3 | 9 |
| 16.5 | 6 | M | 51.9 | 12 |
| 17.3 | 7 | O | 54.4 | 14 |
| 18.1 | 8 | Q | 57.0 | 16 |
| 19.0 | 9 | R | 59.5 | 18 |
| 19.8 | 10 | T | 62.1 | 20 |
| 20.6 | 11 | V | 64.6 | 23 |
| 21.4 | 12 | Y | 67.2 | 25 |
| 22.2 | 13 | Z | 69.7 | 27 |
