Ring Size Reference

Ring Size Reference
USA	U.K.	China	Japan	Diameter		Circumference
				mm	inch	mm	inch
5	J 1/2	9	9	15.6	0.61	49	1.93
6	M	12	12	16.4	0.65	52	2.05
7	O	14	14	17.3	0.68	54.5	2.15
8	Q	16	16	18.1	0.71	57	2.24
8½	Q½	17	17	18.5	0.73	58.3	2.30
9	S	18	18	18.9	0.74	59.5	2.34
9½	S½	19	19	19.3	0.76	60.8	2.39
10	T 1/2	20	20	19.7	0.78	62	2.44
10¼	U	21	21	20	0.79	62.7	2.47
10½	U½	22	22	20.17	0.79	63.4	2.50
11	V 1/2	23	23	20.6	0.81	64.5	2.54
12	Y	25	25	21.4	0.84	67.5	2.66

                    

We will send you the ring size you choose the size, if not this ring  size you choose, we will send you the  similar ring size,  if you do not want to select a similar ring size, please indicate "only ring size"