Ring Size Guide

Inside Diameter Inside Circum. SIZE
MM MM US/ Canada UK/Aus /South Africa France German Italy/Spain
14.1 44.2 3 F 44 14 4.25
14.5 45.5 3.5 G 45.25 14.5 5.5
14.9 46.8 4 H 46.5 15 6.75
15.3 48 4.5 I 47.75 15.5 8
15.7 49.3 5 J-½ 49 15.75 9.25
16.1 50.6 5.5 K-½ 50.25 16.25 10.5
16.5 51.9 6 L-½ 51.5 16.5 11.75
16.9 53.1 6.5 M-½ 52.75 17 13.25
17.3 54.4 7 N-½ 54 17.25 14.5
17.7 55.7 7.5 O-½ 55.25 17.75 15.75
18.1 57 8 P-½ 56.5 18 17
18.5 58.3 8.5 Q-½ 57.75 18.5 18.25
19 59.5 9 R-½ 59 19 19.5
19.4 60.8 9.5 S-½ 60.25 19.5 20.75
19.8 62.1 10 T-½ 61.5 20 22
20.2 63.4 10.5 U-½ 62.75 20.5 23.25
20.6 64.6 11 V-½ 64 20.75 24.75
21 65.9 11.5 W-½ 65.25 21 26
21.4 67.2 12 X-½ 66.5 21.25 27.25
21.8 68.5 12.5 Z 67.75 21.75 28.5