Ring Size Guide

Please, make sure to check you preferred ring size using our printed ring sizing guide:

A4 Paper Guide 

Letter Paper Guide (US format)

Our sizes refer to inner diameter of the ring in mm. 

If you don't find your precise size - we recommend to pick the closest bigger one. 

Saint Bones Size US UK JP Circumference
17 6 1/2 N 13 53.4
17.5 7 1/2 O 14 55
18 7 3/4 P 16 56.5
18.5 8 1/2 Q+ 17 58.1
19 9 S 19 59.7
19.5 9 3/4 T 21 61.2
20 10 1/4 U 23 62.8
20.5 11 V+ 24 64.4
21 11 1/2 X 25 65.9
21.5 12 1/4 Y 26 67.5
22 12 3/4 Z 28 69.1
22.5 13 1/2 Z1+ 31 70.7
23 14 Z3 32 72.2