1. Place your ring on the red circle below.
2. Use the slider until the red circle touches the INSIDE edge of your ring.
3. Do not measure the outside of the ring.
Common measurements for double-checking.
| US Size | Diameter |
|---|---|
| Size 5 | 15.7 mm |
| Size 6 | 16.5 mm |
| Size 7 | 17.3 mm |
| Size 8 | 18.1 mm |
| Size 9 | 19.0 mm |
Disclosure: Screen calibration varies by device. For 100% accuracy, visit a local jeweler. This tool is for estimation only.