Measure an existing ring
- 1. Select an existing ring that fits the desired finger.
- 2. Measure the internal diameter of the ring (in mm).
- 3. Use the below chart to determine your ring size.
| Internal Diameter (MM) | 14.1 | 14.9 | 15.7 | 16.5 | 17.3 | 18.1 | 19.0 | 19.8 | 20.6 | 21.4 | 22.2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| US/Canada Ring Size | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| UK/Australia Ring Size | F | H | J | L | N | P | R | T | V | X | Z |
| German Ring Size | 14 | 15 | 153/4 | 161/2 | 171/4 | 18 | 19 | 20 | 203/4 | 211/4 | 22 |