Measuring Your Finger
The best way to measure is to use a piece of string or paper to find the circumference of your finger in millimeters.
International Ring Sizes
| Inside Circumference (mm) | US / Canada | UK / Australia |
|---|---|---|
| 49.3 | 5 | J 1/2 |
| 51.9 | 6 | L 1/2 |
| 54.4 | 7 | N 1/2 |
| 57.0 | 8 | P 1/2 |
Pro Tips for Accuracy
- Measure in the evening (fingers are larger)
- Measure 3-4 times to be sure
- If between sizes, always go up