Ring Sizing
Not sure about sizing? We're here to help
Measure your ring size at home and follow our handy conversion chart below. To find the most accurate size, try our free ring sizer.
Don't stress if it's not quite the fit you're after! We offer a 30-day return and exchange policy on all purchases. Check out our returns guide here.
| Finger Circumference (mm) | Ring Diameter (mm) | US / Merchants of the Sun | UK/AUS | European | Japan |
| 52.45 | 16.69 | 5.75 | L | 52 | 11 |
| 54.4 | 17.32 | 6.5 | N | 54 | 14 |
| 56.3 | 17.92 | 7.25 | P | 57 | 16 |
| 58.2 | 18.53 | 8 | Q | 58 | 17 |
| 61.45 | 19.56 | 9.25 | S | 61 | 19 |
| 63.95 | 20.36 | 10.25 | U | 64 | 22 |
| 65.9 | 20.98 | 11 | W | 66 | 24 |
| 68.4 | 21.77 | 12 | X | 67 | 25 |
| 71 | 22.60 | 13 | Z | 71 | 28 |