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| Circumference (mm) | Diameter (mm) | Size |
|---|---|---|
| 44.0 | 14.0 | 14 |
| 45.6 | 14.5 | 14.5 |
| 47.1 | 15.0 | 15 |
| 48.7 | 15.5 | 15.5 |
| 50.3 | 16.0 | 16 |
| 51.8 | 16.5 | 16.5 |
| 53.4 | 17.0 | 17 |
| 55.0 | 17.5 | 17.5 |
| 56.5 | 18.0 | 18 |
| 58.1 | 18.5 | 18.5 |
| 59.7 | 19.0 | 19 |
| 61.3 | 19.5 | 19.5 |
| 62.8 | 20.0 | 20 |
| 64.4 | 20.5 | 20.5 |
| 66.0 | 21.0 | 21 |
| 67.5 | 21.5 | 21.5 |
| 69.1 | 22.0 | 22 |
| 70.7 | 22.5 | 22.5 |
Ring Size Guide
You can choose your ring size based on its inner diameter. If you know your ring diameter in millimeters (mm), compare it with the size chart and select the corresponding size.
Don't know your ring size?
You can determine your size in one of two ways:
1. You already have a ring that fits
Measure its inner diameter in millimeters (mm) and compare the measurement with the size chart. Choose the size that corresponds to your ring's inner diameter.
2. You don't have a suitable ring
Wrap a thin string, strip of paper, or measuring tape around your finger where you will wear the ring. Mark where the ends meet, remove the strip, and measure its length in millimeters (mm). Compare the measurement with the size chart.
Want to measure more precisely?
Download our ring measuring guide. It includes both measurement methods and sizing circles that you can place your ring on to compare its inner diameter.