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