Размери пръстени

обиколка (mm)	обиколка (inch)	Северна Америка	Англия, Австралия, Нова заландия	Китай, Япония, Южна Америк	Индия	Италия, Испания, Щвейцария, Швеция
36.5	1.44	0
37.2	1.46	¼
37.8	1.49	½	A
38.5	1.51	¾	A½
39.1	1.54	1	B	1
39.7	1.56	1¼	B½
40.4	1.59	1½	C			0.5
41	1.61	1¾	C½		1	1
41.7	1.64	2	D	2	2	1.75
42.3	1.67	2¼	D½			2.25
42.9	1.69	2½	E	3	3	3
43.6	1.72	2¾	E½		4	3.5
44.2	1.74	3	F	4		4.25
44.8	1.77	3¼	F½	5	5	4.75
45.5	1.79	3½	G			5.5
46.1	1.82	3¾	G½	6	6	6
46.8	1.84	4	H	7		6.75
47.4	1.87	4¼	H½		7	7.5
48	1.89	4½	I	8	8	8
48.7	1.92	4¾	J		9	8.75
49.3	1.94	5	J½	9		9.25
50	1.97	5¼	K		10	10
50.6	1.99	5½	K½	10		10.5
51.2	2.02	5¾	L		11	11.25
51.9	2.04	6	L½	11	12	11.75
52.5	2.07	6¼	M	12		12.5
53.1	2.09	6½	M½	13	13	13.25
53.8	2.12	6¾	N			13.75
54.4	2.14	7	N½	14	14	14.5
55.1	2.17	7¼	O		15	15
55.7	2.19	7½	O½	15		15.75
56.3	2.22	7¾	P		16	16.25
57	2.24	8	P½	16	17	17
57.6	2.27	8¼	Q			17.5
58.3	2.29	8½	Q½	17	18	18.25
58.9	2.32	8¾	R		19	19
59.5	2.34	9	R½	18		19.5
60.2	2.37	9¼	S		20	20.25
60.8	2.39	9½	S½	19	21	20.75
61.4	2.42	9¾	T			21.5
62.1	2.44	10	T½	20	22	22
62.7	2.47	10¼	U	21	23	22.75
63.4	2.49	10½	U½	22		23.25
64	2.52	10¾	V		24	24
64.6	2.54	11	V½	23	25	24.75
65.3	2.57	11¼	W			25.25
65.9	2.59	11½	W½	24	26	26
66.6	2.62	11¾	X			26.5
67.2	2.65	12	X½	25	27	27.25
67.8	2.67	12¼	Y		28	27.75
68.5	2.7	12½	Z	26		28.5
69.1	2.72	12¾	Z½		29	29
69.7	2.75	13		27	30	29.75
70.4	2.77	13¼	Z1			30.5
71	2.8	13½			31	31
71.7	2.82	13¾	Z2		32	31.75
72.3	2.85	14	Z3			32.25
72.9	2.87	14¼			33	33
73.6	2.9	14½	Z4			33.5
74.2	2.92	14¾			34	34.25
74.8	2.95	15			35	34.75
75.5	2.97	15¼				35.5
76.1	3	15½			36	36.25
76.8	3.02	15¾				36.75
77.4	3.05	16			37	37.5