| Internal Diameter | US Size |
|---|---|
| 14mm | 3 |
| 14.5mm | 3.5 |
| 15mm | 4 |
| 15.3mm | 4.5 |
| 15.6mm | 5 |
| 16.2mm | 5.5 |
| 16.6mm | 6 |
| 16.9mm | 6.5 |
| 17.2mm | 7 |
| 17.8mm | 7.5 |
| 18.1mm | 8 |
| 18.5mm | 8.5 |
| 19.1mm | 9 |
| 19.4mm | 9.5 |
| 19.7mm | 10 |
| 20.4mm | 10.5 |
| 20.7mm | 11 |
Measure your finger AT HOME
- Cut a piece of ribbon or piece of string
- Wrap the ribbon or string tightly around the correct finger.
- Make a mark where the ribbon or string meets.
- Measure the distance with a ruler (in mm).
- Compare the mm to our ring size chart.
| Circumference | 44.2mm | 45.5mm | 46.8mm | 48.0mm | 49.3mm | 50.6mm | 51.9mm | 53.1mm | 54.4mm | 55.7mm | 57.0mm | 58.3mm | 59.5mm | 60.8mm | 62.1mm | 63.4mm | 64.6mm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US Size | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
| Circumference | 54.4mm | 55.7mm | 57.0mm | 58.3mm | 59.5mm | 60.8mm | 62.1mm | 63.4mm | 64.6mm |
|---|---|---|---|---|---|---|---|---|---|
| US Size | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
| Circumference (mm) | US Size |
|---|---|
| 44.2 | 3 |
| 45.5 | 3.5 |
| 46.8 | 4 |
| 48.0 | 4.5 |
| 49.3 | 5 |
| 50.6 | 5.5 |
| 51.9 | 6 |
| 53.1 | 6.5 |
| 54.4 | 7 |
| 55.7 | 7.5 |
| 57.0 | 8 |
| 58.3 | 8.5 |
| 59.5 | 9 |
| 60.8 | 9.5 |
| 62.1 | 10 |
| 63.4 | 10.5 |
| 64.6 | 11 |