Ring size
The FR size corresponds to the circumference of the finger. U.S size is different from European standards.
You can measure the circumference of the finger using a tape measure by comparing the tables below. If you are between sizes, we recommend that you order the larger size.
| Swiss | France, Europe | UK | USA, Canada |
| 7 | 47 | H½ | 4 |
| 8 | 48 | I | 4.5 |
| 9 | 49 | J | 5 |
| 10 | 50 | K | 5 1/3 |
| 11 | 51 | L | 5 2/3 |
| 12 | 52 | L½ | 6 |
| 13 | 53 | M | 6 1/3 |
| 14 | 54 | N | 6 2/3 |
| 15 | 55 | O | 7 |
| 16 | 56 | O½ | 7.5 |
| 17 | 57 | P | 8 |
| 18 | 58 | Q | 8 1/3 |
| 19 | 59 | R | 8 2/3 |
| 20 | 60 | S | 9 |
| 21 | 61 | S½ | 9.5 |
| 22 | 62 | T | 10 |
| 23 | 63 | U | 10 1/3 |
| 24 | 64 | V | 10 2/3 |
| 25 | 65 | W | 11 |
| 26 | 66 | X | 11.5 |
| 27 | 67 | Y | 12 |
| 28 | 68 | Z | 12 1/3 |
| 29 | 69 | Z½ | 12 2/3 |
| 30 | 70 | Z+1 | 13 |
| 31 | 71 | 13.5 | |
| 32 | 72 | 14 |
