Finding your ideal ring size ensures that your CHOW HENG FOOK fine jewelry piece feels as comfortable and secure as it is breathtaking. Use our comprehensive size conversion chart and home measurement guide below to select your flawless fit.
Ring Size Conversion Chart
| US Size | Diameter (mm) | Circumference (mm) | UK / Australia |
|---|---|---|---|
| US 4 | 14.9 mm | 46.8 mm | H 1/2 |
| US 5 | 15.7 mm | 49.3 mm | J 1/2 |
| US 6 | 16.5 mm | 51.9 mm | L 1/2 |
| US 6.5 | 16.9 mm | 53.1 mm | M 1/2 |
| US 7 | 17.3 mm | 54.4 mm | N 1/2 |
| US 7.5 | 17.7 mm | 55.7 mm | O 1/2 |
| US 8 | 18.1 mm | 57.0 mm | P 1/2 |
| US 8.5 | 18.5 mm | 58.3 mm | Q 1/2 |
| US 9 | 18.9 mm | 59.5 mm | R 1/2 |
How to Measure at Home
- Wrap a narrow strip of paper snugly around the base of your intended finger.
- Mark the exact spot where the paper meets.
- Measure the length in millimeters (mm) with a ruler to find your circumference.
- Compare your measurement with our chart to find your US size.
Sizing Advice
- Measure in the evening: Fingers tend to be slightly larger at the end of the day.
- Between two sizes? We recommend ordering the half-size up for maximum everyday comfort.
- Wide bands: For rings with a band width greater than 4mm, size up by half a size.