Ring Size Guide

International size guide

Inside Diameter/Millimeters(mm)	US and Canada	UK, Europe, and Australia	Switzerland	Asia (HK, China, Singapore, Taiwan, Japan)
14.1	3	F	4	4
14.5	3.5	G	5.75	N/A
14.9	4	H	N/A	7
15.3	4.5	I	N/A	8
15.7	5	J	N/A	9
16.1	5.5	K	N/A	10
16.5	6	L	12.75	11
16.9	6.5	M	14	13
17.3	7	N	15.25	14
17.7	7.5	O	16.5	15
18.1	8	P	17.75	16
18.5	8.5	Q	N/A	17
19	9	R	N/A	18
19.4	9.5	S	N/A	19
19.8	10	T	N/A	20
20.2	10.5	U	22.75	22
20.6	11	V	N/A	23