Ring size chart

International Ring Size Chart
Canada United States of America	Australia South Africa United Kingdom	Asia Germany Russia Ukraine	France	China India Japan Israel Turkey South America	Italy Spain Netherlands Switzerland	Inside Diameter (Milimetres)	Inside Circumference (Milimetres)
0000	- -	- -	- -	- -	- -	9.91	31.13
00	- -	- -	- -	- -	- -	10.72	33.68
0	- -	- -	- -	- -	- -	11.53	36.22
1/2	A	- -	- -	- -	- -	11.95	37.54
3/4	A 1/2	- -	- -	- -	- -	12.18	38.26
1	B	- -	- -	1	- -	12.37	38.86
1 1/4	B 1/2	- -	- -	- -	- -	12.6	39.58
1 1/2	C	- -	- -	- -	- -	12.78	40.15
1 3/4	C 1/2	- -	- -	- -	- -	13.00	40.84
2	D	13 1/2	41 1/2	2	1 1/2	13.21	41.5
2 1/4	D 1/2	- -	- -	- -	- -	13.41	42.13
2 1/2	E	13 3/4	42 3/4	3	2 3/4	13.61	42.76
2 3/4	E 1/2	- -	- -	- -	- -	13.83	43.45
3	F	14	44	4	4	14.05	44.14
3 1/8	F 1/2	- -	- -	- -	- -	14.15	44.45
3 1/4	F 3/4	- -	- -	- -	- -	14.25	44.77
3 3/8	G	- -	45 1/4	5	5 1/4	14.36	45.11
3 1/2	G 1/4	14 1/2	- -	- -	- -	14.45	45.40
3 5/8	G 1/2	- -	- -	6	- -	14.56	45.74
3 3/4	H	- -	46 1/2	- -	6 1/2	14.65	46.02
4	H 1/2	15	- -	7	- -	14.86	46.68
4 1/4	I	- -	47 3/4	- -	7 3/4	15.04	47.25
4 1/2	I 1/2	15 1/4	- -	8	- -	15.27	47.97
4 5/8	J	15 1/2	49	- -	9	15.40	48.38
4 3/4	J 1/4	- -	- -	- -	- -	15.53	48.79
5	J 1/2	15 3/4	- -	9	- -	15.70	49.32
5 1/8	K	- -	50	- -	10	15.80	49.64
5 1/4	K 1/4	- -	- -	- -	- -	15.90	49.95
5 3/8	K 1/2	- -	- -	10	- -	16.00	50.27
5 1/2	L	16	51 3/4	- -	11 3/4	16.10	50.58
5 3/4	L 1/4	- -	- -	- -	- -	16.30	51.21
5 7/8	L 1/2	- -	- -	11	- -	16.41	51.55
6	M	16 1/2	52 3/4	12	12 3/4	16.51	51.87
6 1/4	M 1/2	- -	- -	- -	- -	16.71	52.50
6 1/2	N	17	54	13	14	16.92	53.16
6 3/4	N 1/2	- -	- -	- -	- -	17.13	53.82
7	O	17 1/4	55 1/4	14	15 1/4	17.35	54.51
7 1/4	O 1/2	- -	- -	- -	- -	17.45	54.82
7 1/2	P	17 3/4	56 1/2	15	16 1/2	17.75	55.76
7 3/4	P 1/2	- -	- -	- -	- -	17.97	56.45
8	Q	18	57 3/4	16	17 3/4	18.19	57.15
8 1/4	Q 1/2	- -	- -	- -	- -	18.35	57.65
8 1/2	Q 3/4	18 1/2	- -	17	- -	18.53	58.21
8 5/8	R	- -	59	- -	19	18.61	58.47
8 3/4	R 1/4	- -	- -	- -	- -	18.69	58.72
8 7/8	R 1/2	- -	- -	- -	- -	18.80	59.06
9	R 3/4	19	- -	18	- -	18.89	59.34
9 1/8	S	- -	60 1/4	- -	20 1/4	19.10	60.00
9 1/4	S 1/4	- -	- -	- -	- -	19.22	60.38
9 3/8	S 1/2	- -	- -	- -	- -	19.31	60.66
9 1/2	S 3/4	19 1/2	- -	19	- -	19.41	60.98
9 5/8	T	- -	61 1/2	- -	21 1/2	19.51	61.29
9 3/4	T 1/4	- -	- -	- -	- -	19.62	61.64
10	T 1/2	20	- -	20	- -	19.84	62.33
10 1/4	U	- -	62 3/4	21	22 3/4	20.02	62.89
10 1/2	U 1/2	20 1/4	- -	22	- -	20.20	63.46
10 5/8	V	- -	63	- -	23 3/4	20.32	63.84
10 3/4	V 1/4	- -	- -	- -	- -	20.44	64.21
11	V 1/2	20 3/4	- -	23	- -	20.68	64.97
11 1/8	W	- -	65	- -	25	20.76	65.22
11 1/4	W 1/4	- -	- -	- -	- -	20.85	65.50
11 3/8	W 1/2	- -	- -	- -	- -	20.94	65.78
11 1/2	W 3/4	21	- -	24	- -	21.08	66.22
11 5/8	X	- -	66 1/4	- -	26 1/4	21.18	66.54
11 3/4	X 1/4	- -	- -	- -	- -	21.24	66.73
11 7/8	X 1/2	- -	- -	- -	- -	21.30	66.92
12	Y	21 1/4	67 1/2	25	27 1/2	21.49	67.51
12 1/4	Y 1/2	- -	- -	- -	- -	21.69	68.14
12 1/2	Z	21 3/4	68 3/4	26	28 3/4	21.89	68.77
12 3/4	Z 1/2	- -	- -	- -	- -	22.10	69.43
13	Z 1	22	- -	27	- -	22.33	70.15
13 1/2	Z 1 1/2	- -	- -	- -	- -	22.60	71.00
- -	Z 2	- -	- -	- -	- -	22.69	71.28
- -	Z 2 1/2	- -	- -	- -	- -	22.92	72.00
- -	Z 3	- -	- -	- -	- -	23.06	72.45
- -	Z 3 1/2	- -	- -	- -	- -	23.24	73.01
- -	Z 4	- -	- -	- -	- -	23.47	73.73
- -	Z 4 1/2	- -	- -	- -	- -	23.55	73.98
- -	Z 5	- -	- -	- -	- -	23.87	74.99
- -	Z 6	- -	- -	- -	- -	24.27	76.25