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.
Diameter mm | FR size | US size |
15,0 | 47 | |
15,3 | 48 | |
15,6 | 49 | 5 |
15,9 | 50 | |
16,2 | 51 | |
16,6 | 52 | 6 |
16,9 | 53 | |
17,2 | 54 | |
17,5 | 55 | 7 |
17,8 | 56 | |
18,1 | 57 | 8 |
18,5 | 58 | |
18,8 | 59 | |
19,1 | 60 | 9 |
19,4 | 61 | |
19,7 | 62 | 10 |
20,1 | 63 | |
20,4 | 64 | 11 |
20,7 | 65 | |
21,0 | 66 | |
21,3 | 67 | 12 |
21,6 | 68 | |
22,0 | 69 | |
22,2 | 70 | 13 |
22,6 | 71 | |
23,1 | 72 | 14 |