Ring Size Chart

Ring size	Circumference	Circumference
(U.S.)	(mm)	(in)
3 1/2	45.5	1.79
4	46.7	1.838
4 1/2	48	1.89
5	49.3	1.941
5 1/2	50.6	1.991
6	51.9	2.042
6 1/2	53.1	2.091
7	54.4	2.141
7 1/2	55.8	2.195
8	57.2	2.25
8 1/2	58.2	2.292
9	59.5	2.342
9 1/2	60.9	2.401
10	62.1	2.443
10 1/2	63.3	2.493
11	64.9	2.558
11 1/2	66.2	2.607
12	67.2	2.644
12 1/2	68.4	2.694
13	70.2	2.762
13 1/2	71.5	2.814
14	72.8	2.865
14 1/2	73.9	2.913
15	75.4	2.969
15 1/2	76.7	3.019
16	78	3.071
17	80.5	3.173