Ring Size Chart

Ring Size (US)	Inside Diameter	UK	Europe	Brazil	France	Germany	Italy	Japan	Spain
3	14 mm	F	44	7	44	14	4	4	4
3.5	14.5 mm	G	46	9	N/A	14.5	5,5	5	N/A
4	15 mm	H	47	10	46.5	15	7	7	6,5
4.5	15.3 mm	I	48	11	48	15.3	8	8	8
5	15.6 mm	J	49	13	49.5	15.6	9	9	9,5
5.5	16.2 mm	K	51	14	50.5	16.2	10	10	10,5
6	16.6 mm	L	52	15	52	16.6	11	11	12
6.5	16.9 mm	M	53	16	53	16.9	12,5	13	13,5
7	17.2 mm	N	54	17	54.5	17.2	14	14	14,5
7.5	17.8 mm	O	56	19	55.5	17.8	15	15	16
8	18.1 mm	P	57	20	57	18.1	16	16	17
8.5	18.5 mm	Q	58	21	58	18.5	17,5	17	18,5
9	19.1 mm	R	60	22	59.5	19.1	19	18	20
9.5	19.4 mm	S	61	24	61	19.4	20	19	21
10	19.7 mm	T	62	25	62	19.7	21,5	20	22,5
10.5	20.4 mm	U	64	26	63.5	20.4	23	22	23,5
11	20.7 mm	V	65	27	64.5	20.7	24	23	25
11.5	21.0 mm	W	66	28	66	21	25	24	26
12	21.6 mm	X	68	30	67	21.6	26,5	25	27,5
12.5	22.0 mm	Y	69	31	68.5	22	28	26	29
13	22.3 mm	Z+1	70	32	69.5	22.3	28,5	27	30
13.5	22.9 mm	Z+2	72	34	71	22.9	32	N/A	32
14	23.2 mm	Z+3	73	35	72.5	23.2	33	N/A	33