Ring size guide

RING SIZE CONVERSION CHART BY FORMÉS

DIAMETER MM. / INCHES″	CIRCUM-FERENCE MM	DK/EU SIZE	US SIZE	UK SIZE	JAPAN SIZE
14.0 mm. / 0.56″	44 mm	44	3	E	4
14.4 mm. / 0.57″	45 mm	45	3¼	F	5½
14.7 mm. / 0.58″	46 mm	46	3¾	G	6
15.0 mm. / 0.59″	47 mm	47	4	H	7
15.0 mm. / 0.59″	48 mm	48	4½	I	8
15.6 mm. / 0.61″	49 mm	49	5	I½	9
15.9 mm. / 0.63″	50 mm	50	5¼	J	10
16.2 mm. / 0.64″	51 mm	51	5¾	K	11
16.5 mm. / 0.65″	52 mm	52	6	L	12
16.9 mm. / 0.67″	53 mm	53	6¼	M	13
17.3 mm. / 0.68″	54 mm	54	7	N	14
17.5 mm. / 0.69″	55 mm	55	7¼	N½	15
17.8 mm. / 0.70″	56 mm	56	7½	O	16
18.2 mm. / 0.72″	57 mm	57	8	P	16½
18.6 mm. / 0.73″	58 mm	58	8½	Q	17
18.8 mm. / 0.74″	59 mm	59	8¾	R	18
19.1 mm. / 0.75″	60 mm	60	9	R½	18½
19.4 mm. / 0.76″	61 mm	61	9½	S	19
19.8 mm. / 0.78″	62 mm	62	10	T	20
20.2 mm. / 0.80″	63 mm	63	10¼	U	21
20.6 mm. / 0.81″	64 mm	64	10¾	V	22
20.8 mm. / 0.82″	65 mm	65	11	V½	23
21.0 mm. / 0.83″	66 mm	66	11½	W	24
21.3 mm. / 0.84″	67 mm	67	12	X	25
21.8 mm. / 0.86″	68 mm	68	12½	X½	26
22.1 mm. / 0.87″	69 mm	69	12¾	Z	27
22.3 mm. / 0.88″	70 mm	70	13	Z + 1	28
22.6 mm. / 0.89″	71 mm	71	13½	Z + 2	29