Ring Size:

 

Size Girth(mm) UK,EU,AU CN,SG,JP
5 49.3 J 1/2 9
6 51.8 l 1/2 12
7 54.5 O 14
8 56.9 Q 16
9 59.5 S 18
10 62.1 T 1/2 20
11 64.6 V 1/2 23
12 67.2 Y 25