European to US Ring Size Conversion
This tool converts European ring sizes to US sizes using precise measurements. European sizes are based on the inner circumference in millimeters.
| European Size | US Size | Inner Diameter (mm) |
|---|---|---|
| 45.24 | 3 1/2 | 14.40 |
| 47.00 | 4 1/4 | 14.96 |
| 49.00 | 5 | 15.60 |
| 50.24 | 5 1/2 | 16.00 |
| 51.50 | 6 | 16.39 |
| 52.75 | 6 1/2 | 16.80 |
| 54.00 | 7 | 17.19 |
| 55.26 | 7 1/2 | 17.60 |
| 56.50 | 8 | 17.99 |
| 57.78 | 8 1/2 | 18.40 |
| 59.66 | 9 1/4 | 19.00 |
| 61.50 | 10 | 19.58 |