Jewelry Sizing Guide
Find your perfect fit with our comprehensive sizing guides for all types of jewelry
How to Measure Your Ring Size
- Cut a strip of paper or use a piece of string.
- Wrap it around the base of your finger.
- Mark where the paper or string overlaps.
- Measure the length in millimeters.
- Use our size chart to find your perfect fit.
Ring Size Chart (in mm)
| US Size | UK Size | Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 4 | H | 14.9 | 46.8 |
| 4.5 | I | 15.3 | 48 |
| 5 | J | 15.7 | 49.3 |
| 5.5 | K | 16.1 | 50.6 |
| 6 | L | 16.5 | 51.9 |
| 6.5 | M | 16.9 | 53.1 |
| 7 | N | 17.3 | 54.4 |
| 7.5 | O | 17.7 | 55.7 |
| 8 | P | 18.1 | 57 |
| 8.5 | Q | 18.5 | 58.3 |
| 9 | R | 18.9 | 59.5 |
Tips for the Perfect Fit
- Measure your finger at the end of the day when it's at its largest
- Consider the width of the ring - wider bands may require a larger size
- If between sizes, we recommend going up a half size