Ring Size Chart

Diameter (mm)	Diameter (Inches)	U.S./Canada	U.K/Australia/ New Zealand	France and most E.U.
14.05	0.553	3	F	44
14.45	0.569	3.5	G	45
14.86	0.585	4	H1/2 1	46
15.27	0.601	4.5	11/2	48
15.7	0.618	5	J 1/2	49
16.1	0.634	5.5	L	51
16.51	0.65	6	M	511/3
16.92	0.666	6.5	N	53
17.35	0.683	7	O	54
17.75	0.699	7.5	P	55
18.19	0.716	8	Q	57
18.53	0.732	8.5	Q1/2	58
18.89	0.748	9	R	59
19.41	0.764	9.5	S1/4	61
19.84	0.781	10	1/2	62
20.2	0.797	10.5	U1/2	63
20.68	0.814	11	V1/2	64
21.08	0.83	11.5	W	66
21.49	0.864	12	X	67
21.89	0.862	12.5	Y 1/2	68
22.33	0.897	13	Z	70