Ring Size Guide

 

Japan Diameter
(mm)		 USA/
Canada		 UK/
Australia		 Europe
7 14.9 4 H 46.7
9 15.7 5 J½ 49.3
11 16.5 6 L½ 51.8
13 16.9 6½ M½ 53.1
15 17.7 7½ O½ 55.7
17 18.5 8½ Q½ 58.2
19 19.4 9½ S½ 60.8
21 20 10¼ U 62.7
23 20.6 11 V½ 64.6
25 21.4 12 X½ 67.2
27 22.2 13 - 69.7

 

 

You can also download our ring size chart.