1. Wrap a length of string, floss or a strip of paper around the base of your finger.
2. Mark the place where the two ends overlap.
3. Measure the length with a ruler and note the length in mm.
4. Compare to the chart below to identify your ring size
| Ring Size | Measurement (mm) |
| 3 | 14 |
| 3.5 | 14.4 |
| 4 | 14.8 |
| 4.5 | 15.2 |
| 5 | 15.6 |
| 5.5 | 16 |
| 6 | 16.45 |
| 6.5 | 16.9 |
| 7 | 17.3 |
| 7.5 | 17.7 |
| 8 | 18.2 |
| 8.5 | 18.6 |
| 9 | 19 |
| 9.5 | 19.4 |
| 10 | 19.8 |
| 10.5 | 20.2 |
| 11 | 20.6 |
| 11.5 | 21 |
| 12 | 21.4 |
| 12.5 | 21.8 |
| 13 | 22.2 |
| 13.5 | 22.6 |
