Maar Ring Size Chart

 Size Circumference (mm) Diameter (mm)
3 43 13.69
4 44 14.00
5 45 14.33
6 46 14.64
7 47 14.96
8 48 15.28
9 49 15.60
10 50 15.92
11 51 16.24
12 52 16.56
13 53 16.87
14 54 17.19
15 55 17.51
16 56 17.83
17 57 18.15
18 58 18.47
19 59 18.78
20 60 19.10
21 61 19.42