Ring Size Chart

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US Ring Size Chart

Ring Size	Diameter (mm)	Diameter (in)	Circumference (mm)	Circumference (in)
3	14.1	0.55	44.3	1.74
3¼	14.3	0.56	44.9	1.77
3½	14.5	0.57	45.6	1.79
3¾	14.7	0.58	46.2	1.82
4	14.9	0.59	46.8	1.84
4¼	15.1	0.59	47.4	1.87
4½	15.3	0.6	48.1	1.89
4¾	15.5	0.61	48.7	1.92
5	15.7	0.62	49.3	1.94
5¼	15.9	0.63	50	1.97
5½	16.1	0.63	50.6	1.99
5¾	16.3	0.64	51.2	2.02
6	16.5	0.65	51.8	2.04
6¼	16.7	0.66	52.5	2.07
6½	16.9	0.67	53.1	2.09
6¾	17.1	0.67	53.7	2.12
7	17.3	0.68	54.3	2.14
7¼	17.5	0.69	55	2.17
7½	17.7	0.7	55.6	2.19
7¾	17.9	0.71	56.2	2.22
8	18.1	0.71	56.9	2.24
8¼	18.3	0.72	57.5	2.27
8½	18.5	0.73	58.1	2.29
8¾	18.7	0.74	58.7	2.32
9	18.9	0.75	59.4	2.34
9¼	19.2	0.75	60.3	2.37
9½	19.4	0.76	60.9	2.39
9¾	19.6	0.77	61.6	2.42
10	19.8	0.78	62.2	2.44
10¼	20	0.79	62.8	2.47
10½	20.2	0.79	63.5	2.49
10¾	20.4	0.8	64.1	2.52
11	20.6	0.81	64.7	2.54
11¼	20.8	0.82	65.3	2.57
11½	21	0.83	66	2.59
11¾	21.2	0.83	66.6	2.62
12	21.4	0.84	67.2	2.65
12¼	21.6	0.85	67.9	2.67
12½	21.8	0.86	68.5	2.7
12¾	22	0.87	69.1	2.72
13	22.2	0.87	69.7	2.75
13¼	22.4	0.88	70.4	2.77
13½	22.6	0.89	71	2.8
13¾	22.8	0.9	71.6	2.82
14	23	0.91	72.3	2.85
14¼	23.2	0.91	72.9	2.87
14½	23.4	0.92	73.5	2.9
14¾	23.6	0.93	74.1	2.92
15	23.8	0.94	74.8	2.95
15¼	24	0.95	75.4	2.97
15½	24.2	0.95	76	3
15¾	24.4	0.96	76.7	3.02
16	24.6	0.97	77.3	3.05