Perfect Ring Sizer

 

Ring Size 18g 20g 22g 24g (inches) (mm)
5 18 1.94 49.28
5.5 22 31 1.99 50.55
6 19 2.04 51.82
6.5 23 32 2.09 53.09
7 20 2.14 54.36
7.5 24 33 2.19 55.63
8 17 21 2.24 56.90
8.5 25 34 2.29 58.17
9 2.34 59.44
9.5 18 22 26 35 2.39 60.71
10 2.44 61.98
10.5 23 27 36 2.49 63.25
11 19 2.54 64.52
11.5 28 37 2.59 65.79
12 24 2.65 67.31
12.5 20 29 38 2.70 68.58
13 2.75 69.85
13.5 25 30 39 2.80 71.12
14 21 2.85 72.39
14.5 2.90 73.66
15 26 2.95 74.93