Ring size chart


EU (inner circle) Inner diameter (mm) USA UK
47 14.9 4 H
48 15.3 4 ½ I ½
49 15.6 5 J
50 15.9 5 ¼ J ½
51 16.2 5 ½ L
52 16.6 6 M
53 16.9 6 ½ M ½
54 17.2 7 N
55 17.5 7 ¼ O
56 17.8 7 ¾ P
57 18.1 8 Q
58 18.5 8 ½ Q ½
59 18.8 9 R ½
60 19.1 9 ½ WITH
61 19.4 9 ¾ With ½