Ring Size Chart

Circumference (mm)
Diameter (mm)
EU Size
UK & Australia Size
US & Canada Size
China Size
Hong Kong Size
Switzerland, Singapore & Japan Size
44.2 14.1 6 F ½ 3 4 6 44
44.8 14.3 7 G 3 ½ 5 7 45
45.5 14.5 8 G ½ 4 6 8 46
46.1 14.7 9 H 4 ½ 7 9 47
46.8 14.9 10 H ½ 5 8 10 48
47.4 15.1 11 I 5 ½ 9 11 49
48.0 15.3 12 I ½ 6 10 12 50
48.7 15.5 13 J 6 ½ 11 13 51
49.3 15.7 14 J ½ 7 12 14 52
50.0 15.9 15 K 7 ½ 13 15 53
50.6 16.1 16 K ½ 8 14 16 54
51.2 16.3 17 L 8 ½ 15 17 55
51.9 16.5 18 L ½ 9 16 18 56
52.5 16.7 19 M 9 ½ 17 19 57
53.1 16.9 20 M ½ 10 18 20 58
53.8 17.1 21 N 10 ½ 19 21 59
54.4 17.3 22 N ½ 11 20 22 60
55.1 17.5 23 O 11 ½ 21 23 61
55.7 17.7 24 O ½ 12 22 24 62
56.3 17.9 25 P 12 ½ 23 25 63