Size Chart

 

Ring Size Inside Diameter (mm) Inside Circumference (mm)
3 14.1 44.2
3.5 14.5 45.5
4 14.9 46.8
4.5 15.3 48
5 15.7 49.3
5.5 16.1 50.6
6 16.5 51.9
6.5 16.9 53.1
7 17.3 54.4
7.5 17.7 55.7
8 18.1 57
8.5 18.5 58.3
9 19 59.5
9.5 19.4 60.8
10 19.8 62.1