Sizing Guide

Inside Circumference		Sizes
MM	Inches	Australian	US
40.15	1.58	C	1 1/2
40.84	1.61	C 1/2	1 3/4
41.5	1.63	D	2
42.13	1.66	D 1/2	2 1/4
42.76	1.68	E	2 1/2
43.45	1.71	E 1/2	2 3/4
44.14	1.74	F	3
44.45	1.75	F 1/2	3 1/8
44.77	1.76	F 3/4	3 1/4
45.11	1.77	G	3 3/8
45.4	1.79	G 1/4	3 1/2
45.74	1.8	G 1/2	3 5/8
46.02	1.81	H	3 3/4
46.68	1.84	H 1/2	4
47.25	1.86	I	4 1/4
47.97	1.89	I 1/2	4 1/2
48.38	1.9	J	4 5/8
48.79	1.92	J 1/4	4 3/4
49.32	1.94	J 1/2	5
49.64	1.95	K	5 1/8
49.95	1.97	K 1/4	5 1/4
50.27	1.98	K 1/2	5 3/8
50.58	1.99	L	5 1/2
51.21	2.02	L 1/4	5 3/4
51.55	2.03	L 1/2	5 7/8
51.87	2.04	M	6
52.5	2.07	M 1/2	6 1/4
53.16	2.09	N	6 1/2
53.82	2.12	N 1/2	6 3/4
54.51	2.15	O	7
54.82	2.16	O 1/2	7 1/4
55.76	2.2	P	7 1/2
56.45	2.22	P 1/2	7 3/4
57.15	2.25	Q	8
57.65	2.27	Q 1/2	8 1/4
58.21	2.29	Q 3/4	8 1/2
58.47	2.3	R	8 5/8
58.72	2.31	R 1/4	8 3/4
59.06	2.32	R 1/2	8 7/8
59.34	2.35	R 3/4	9
60	2.36	S	9 1/8
60.38	2.38	S 1/4	9 1/4
60.66	2.39	S 1/2	9 3/8
60.98	2.4	S 3/4	9 1/2
61.29	2.41	T	9 5/8
61.64	2.43	T 1/4	9 3/4
62.33	2.45	T 1/2	10
62.89	2.48	U	10 1/4
63.46	2.5	U 1/2	10 1/2
63.84	2.51	V	10 5/8
64.21	2.53	V 1/4	10 3/4
64.97	2.56	V 1/2	11
65.22	2.57	W	11 1/8
65.5	2.58	W 1/4	11 1/4
65.78	2.59	W 1/2	11 3/8
66.22	2.61	W 3/4	11 1/2
66.54	2.62	X	11 5/8
66.73	2.63	X 1/4	11 3/4
66.92	2.64	X 1/2	11 7/8
67.51	2.66	Y	12
68.14	2.68	Y 1/2	12 1/4
68.77	2.71	Z	12 1/2
69.43	2.73	Z +1/2	12 3/4
70.15	2.76	Z+1	13
71	2.8	Z+1.5	13.5
71.28	2.81	Z+2	-