Ring Sizing Guide
Step 1: Select a ring that fits your finger perfectly.
Step 2: Measure the inner diameter in millimeters with a ruler.
Step 3: Use the below chart to determine your ring size.
Tip: If you're between sizes, go for the larger one.
| US | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 3 | 14.0 | 44.1 |
| 3.5 | 14.4 | 45.4 |
| 4 | 14.8 | 46.6 |
| 4.5 | 15.2 | 47.9 |
| 5 | 15.6 | 49.3 |
| 5.5 | 16 | 50.5 |
| 6 | 16.45 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.5 |
| 7.5 | 17.7 | 55.7 |
| 8 | 18.2 | 57.1 |
| 8.5 | 18.6 | 58.2 |
| 9 | 19 | 59.3 |
| 9.5 | 19.4 | 60.9 |
| 10 | 19.8 | 62.3 |
| 10.5 | 20.2 | 63.4 |
| 11 | 20.6 | 64.9 |
| 11.5 | 21 | 66.2 |
| 12 | 21.4 | 67.5 |