1. Select an existing ring that fits the desired finger.
2. Measure the internal diameter of the ring (in mm).
3. Use the below chart to determine your ring size.
Download Guide
Use the helpful conversion chart below to see which US & Canada size you'd wear.
| Internal Diameter (MM) | USA & Canada |
Adjustable Rings | Europe | UK/AU |
|---|---|---|---|---|
| 15.7 | 5 | S | 50 | J |
| 16.5 | 6 | S | 52 | L |
| 17.3 | 7 | M | 55 | N |
| 18.1 | 8 | M | 57 | P |
| 18.9 | 9 | L | 60 | R |
| 19.8 | 10 | L | 62 | T |
| 20.6 | 11 | - | 64 | V |
| 21.5 | 12 | - | 67 | X |
| 22.3 | 13 | - | 69 | Z |
Our Moon Magic sizes match standard US/CAN sizes.
Still not sure how to measure your ring?
No worries, we got you covered!
Check out our video.
Our Customer Happiness team can help with any other questions you may have about finding your best fit. Reach out to us here.
