Ring Size Guide
Ring Size Conversion Chart
| US Size | Diameter (mm) | Circumference (mm) | UK | EU | Japan |
|---|---|---|---|---|---|
| 5 | 15.7 | 49.3 | J ½ | 49 | 9 |
| 6 | 16.5 | 51.9 | L ½ | 52 | 11 |
| 7 | 17.3 | 54.4 | N ½ | 54 | 14 |
| 8 | 18.1 | 57.0 | P ½ | 57 | 16 |
| 9 | 18.9 | 59.5 | R ½ | 60 | 18 |
How to Find Your Ring Size
Option 1: String or Paper Method
- Cut a thin strip of paper or a piece of string.
- Wrap it snugly around the base of your finger (not too tight!).
- Mark the point where the ends overlap.
- Measure that length in millimeters (mm).
- Use the “Circumference” column in the chart above to find your US ring size.
Option 2: Measure a Favorite Ring
- Choose a ring that fits the intended finger well.
- Use a ruler to measure the inside diameter in millimeters (mm).
- Match your measurement to the “Diameter” column above to find your size.
Extra Sizing Tips:
- Measure your finger at the end of the day when it’s largest.
- Avoid measuring when your hands are cold.
- If you’re between sizes, go with the larger size for comfort.