Ring Size Chart

INSIDE DIAMETER(MM)	INSIDE CIRCUM.(MM)	UK	US
14.88	46.8	H	4
15.09	47.4	H 1/2	4 1/4
15.29	48.00	I	4 1/2
15.49	48.70	J	4 3/4
15.70	49.30	J 1/2	5
15.90	50.00	K	5 1/4
16.10	50.60	K 1/2	5 1/2
16.31	51.20	L	5 3/4
16.51	51.90	L 1/2	6
16.71	52.50	M	6 1/4
16.92	53.10	M 1/2	6 1/2
17.12	53.80	N	6 3/4
17.32	54.40	N 1/2	7
17.53	55.10	O	7 1/4
17.73	55.70	O 1/2	7 1/2
17.93	56.30	P	7 3/4
18.14	57.00	P 1/2	8
18.34	57.60	Q	8 1/4
18.54	58.30	Q 1/2	8 1/2
18.75	58.90	R	8 3/4
18.95	59.50	R 1/2	9
19.15	60.20	S	9 1/4
19.35	60.80	S 1/2	9 1/2
19.56	61.40	T	9 3/4