Ring Size Guide
Finding the right ring size shouldn’t be confusing. Our guide helps you measure your size at home with simple steps, so you can choose a ring that fits comfortably and stays secure. A proper fit makes all the difference in how your ring feels every day.
Ring Size Chart (USA)
mm
inches
| USA Size | Inner Diameter (mm) | Circumference (mm) |
|---|---|---|
| 3 | 14.1 | 44.2 |
| 3.5 | 14.5 | 45.5 |
| 4 | 14.9 | 46.8 |
| 4.5 | 15.3 | 48.0 |
| 5 | 15.7 | 49.3 |
| 5.5 | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7.5 | 17.7 | 55.6 |
| 8 | 18.2 | 57.2 |
| 8.5 | 18.6 | 58.4 |
| 9 | 19.0 | 59.7 |
| 9.5 | 19.4 | 60.9 |
| 10 | 19.8 | 62.2 |
| 10.5 | 20.2 | 63.5 |
| 11 | 20.6 | 64.7 |
| 11.5 | 21.0 | 66.0 |
| 12 | 21.4 | 67.2 |
| 12.5 | 21.8 | 68.5 |
| 13 | 22.2 | 69.7 |
Sizes may slightly vary based on design and fit. For the most accurate measurement, we recommend visiting a jeweler or using a ring sizer.
Easy Guide
How to Measure Your Ring Size at Home
Follow these simple steps to find your perfect ring size from the comfort of your home.
1
Use a String or Paper Strip
Wrap it around the base of your finger
2
Mark the Point
Mark where the ends meet
3
Measure Length
Use a ruler to measure in mm
4
Match with Size Chart
Find your size using the chart above
Pro Tip
Measure at the end of the day for best accuracy.