SIZE GUIDE

This is an approximate International ring conversion table to help you find your size.

Inside Diameter(In) Inside Circumference(In)  US, Canada & Mexico UK, Ireland, Australia, NZ Asia German France Switzerland
0.586 1.84 4 H 7 15 46 1/2 6 1/2
0.602 1.89 4.5 I 8 15.25 47 3/4 8
0.618 1.94 5 J 1/2 9 15.75 49 9 1/2
0.634 1.99 5.5 K 1/2 10 16 50 3/4 10 3/4
0.65 2.04 6 L 1/2 11 16.5 51 1/2 12 3/4
0.666 2.09 6.5 M 1/2 13 17 52 3/4 14
0.682 2.14 7 N 1/2 14 17.25 54 15 1/4
0.698 2.19 7.5 O 1/2 15 17.75 55 1/4 16 1/2
0.714 2.24 8 P 1/2 16 18.25 56 3/4 17 3/4
0.73 2.29 8.5 Q 1/2 17 18.5 58 18 1/2
0.746 2.34 9 R 1/2 18 19 59 1/4 20
0.762 2.39 9.5 S 1/2 19 19.5 60 3/4 21
0.778 2.44 10 T 1/2 20 20 61 3/4 21 3/4
0.794 2.49 10.5 U 1/2 22 20.25 62 3/4 22 3/4
0.81 2.54 11 V 1/2 23 20.75 64 1/4 24
0.826 2.59 11.5 W 1/2 24 21 66 25 3/4
0.842 2.65 12 X 1/2 25 21.5 67 1/4 27 1/2
0.858 2.70 12.5 Z 26 22 68 28 3/4
0.874 2.75 13 Z1 27 22.5 69 29 1/4
0.89 2.80 13.5 Z2  - 22.75    
0.906 2.85 14 Z3  - 23    
0.922 2.90 14.5 Z4  - 23.5    
0.938 2.95 15 Z5  - 23.75