The Ring Size Reference | |||||||
USA/ Canada | UK/Europe/ Australia | Russia/ Germany | Brazil/ South America | France | Switzerland | perimeter (mm) | diameter (mm) |
5 | J1/2 | 15.75 | 9 | 49 | 9 | 49.3 | 15.7 |
6 | L1/2 | 16.5 | 11 | 51.5 | 11.5 | 51.8 | 16.5 |
7 | O | 17.25 | 14 | 54 | 14 | 54.4 | 17.3 |
8 | Q | 18 | 16 | 56.5 | 16.5 | 56.5 | 18.1 |
9 | S | 19 | 18 | 59 | 19 | 59.5 | 18.9 |
10 | T1/2 | 20 | 20 | 61.5 | 21.5 | 62.1 | 19.8 |
11 | V1/2 | 20.75 | 23 | 64 | 24 | 64.6 | 20 |
12 | Y | 21.25 | 25 | 66.5 | 27.5 | 67.2 | 21.4 |
The sizes options of order are USA standard, please notice. |