Ring Size Guide

INTERNAL Diameter (mm) UK US EU CHINA
14.5 G 3.75 45 6
14.8 H 4.25 46.5 7
15.2 I 4.5 47.5 8
15.6 J 5 48.5 9
16.0 K 5.5 50 10
16.4 L 6 51 11
16.8 M 6.5 52.5 12
17.2 N 6.75 53.5 13
17.4 O 7 55 14
18.0 P 7.5 56 15
18.4 Q 8 57.5 16
19.0 R 8.5 59 17
19.2 S 9 60.25 19
19.5 T 9.5 62.75 19
20.0 U 10 63 21
20.3 V 10.5 64 23