Steel Ring

Ring Size Chart
US Inner Diameter (mm) Circumference (mm)
5 15.7 49.3
6 16.5 51.8
7 17.3 54.3
8 18.1 56.8
9 18.9 59.3
10 19.8 62.2
11 20.6 64.7
12 21.4 67.2
13 22.2 69.7
14 23.0 72.2
15 23.8 74.7