Ring Size Chart

Ring Diameter (MM)	USA/Canada	UK	France	Germany	Japan	Switzerland
14.0 mm.	3	F	44	14	4	4
14.4 mm.	3.5	G	45 ½	14 ½	5 ½	6 ⅓
14.8 mm.	4	H ½	46 ½	15	7	6 ½
15.2 mm.	4.5	I ½	47 ¾	15 ¼	8	8
15.6 mm.	5	J ½	49	15 ¾	9	9 ½
16.0 mm.	5.5	L	50 ¾	16	10 ½	10 ¾
16.5 mm.	6	M	51 ½	16½	12	12 ¾
16.9 mm.	6.5	N	52 ¾	17	13	14
17.3 mm.	7	O	54	17 ¼	14	15 ¼
17.7 mm.	7.5	P	55 ¼	17 ¾	15	16 ½
18.2 mm.	8	Q	56 ¾	18	16	17 ¾
18.6 mm.	8.5	Q ½	58	18 ½	17	18 ½
19.0 mm.	9	R ½	59 ¼	19	18	20
19.4 mm.	9.5	S ½	60 ¾	19 ½	19	21
19.8 mm.	10	T ½	61 ¾	20	20	21 ¾
20.2 mm.	10.5	U ½	62 ¾	20 ¼	22	22 ¾
20.6 mm.	11	V ½	64 ¼	20 ¾	23	24
21mm.	11.5	W ½	66	21	24	25 ¾
21.4 mm.	12	Y	67 ¼	21 ¼	25	27 ½
21.8 mm.	12.5	Z	68	21 ¾	26	28 ¾
22.2 mm.	13	Z +1	69	22	27	29 ¼
22.6 mm.	13.5	Z +1.5	71	22.6	-	31