Size Guide

We recommend measuring the inner diameter of a ring that fits you well, then referring to the chart below to find your size.

ø Diameter of the ring	Size (EU)	US & Canada	UK, Ireland, Australia & NZ
14.1 mm	4	3	F
14.3 mm	5	3¼	F½
14.7 mm	6	3¾	G½
14.9 mm	7	4	H
15.3 mm	8	4½	I
15.7 mm	9	5	J½
15.9 mm	10	5¼	K
16.3 mm	11	5¾	L
16.5 mm	12	6	L½
16.9 mm	13	6½	M½
17.3 mm	14	7	N½
17.5 mm	15	7¼	O
17.9 mm	16	7¾	P
18.1 mm	17	8	P½
18.5 mm	18	8½	Q½
18.8 mm	19	9	R½
19.2 mm	20	9¼	S
19.4 mm	21	9½	S½
19.8 mm	22	10	T½
20.2 mm	23	10½	U½
20.4 mm	24	10¾	V
20.8 mm	25	11¼	W
21.0 mm	26	11½	W½
21.4 mm	27	12	X½
21.8 mm	28	12½	Z
22.0 mm	29	12¾	Z½
22.2 mm	30	13	Z1