Find your perfect fit with our comprehensive sizing guides. Ensure your jewelry fits comfortably and looks its best with accurate measurements.
| US Size | Diameter | Circumference |
|---|---|---|
| 4 | 14.9mm | 46.8mm |
| 4.5 | 15.3mm | 48.0mm |
| 5 | 15.7mm | 49.3mm |
| 5.5 | 16.1mm | 50.6mm |
| 6 | 16.5mm | 51.8mm |
| 6.5 | 16.9mm | 53.1mm |
| 7 | 17.3mm | 54.4mm |
| 7.5 | 17.7mm | 55.7mm |
| 8 | 18.2mm | 57.2mm |
| 8.5 | 18.6mm | 58.5mm |
| 9 | 19.0mm | 59.8mm |
| 9.5 | 19.4mm | 61.0mm |
| 10 | 19.8mm | 62.3mm |
| 10.5 | 20.2mm | 63.6mm |
| 11 | 20.6mm | 64.9mm |
| 11.5 | 21.0mm | 66.2mm |
| 12 | 21.4mm | 67.4mm |