Ring Size

Ring Finger Size (US)	Diameter (mm)	Length (mm)
1	12.44	39.09
1.5	12.85	40.37
2	13.26	41.64
2.5	13.66	42.92
3	14.07	44.20
3.5	14.47	45.47
4	14.88	46.75
4.5	15.29	48.03
5	15.69	49.30
5.5	16.10	50.58
6	16.51	51.86
6.5	16.91	53.13
7	17.32	54.41
7.5	17.73	55.69
8	18.13	56.96
8.5	18.54	58.24
9	18.95	59.52
9.5	19.35	60.79
10	19.76	62.07
10.5	20.16	63.35
11	20.57	64.63
11.5	20.98	65.90
12	21.38	67.18
12.5	21.79	68.46
13	22.20	69.73
13.5	22.60	71.01
14	23.01	72.29
14.5	23.42	73.56
15	23.82	74.84