RING SIZE CHART

US / CANADAUK / AUSTRALIAEUROPE INSIDE DIAMETER / MM
3F4414.1
3.5G4514.5
4H4714.8
4.5I4815.2
5J5015.7
5.5K5116.1
6L5216.5
6.5M5316.9
7N5417.3
7.5O5617.7
8P5718.1
8.5Q5818.5
9R6018.8
9.5S6119.4
10T6219.8
10.5U6420.2
11V6520.6
11.5W6621.08
12X6721.4
12.5Y6921.8
13Z7022.3
13.5Z+17122.6