Ring Size Guide

Inside Diameter (mm)

Inside Diameter (inches)

Inside Circumference (mm)

Inside Circumference (mm)

 Ring Size
15.70 0.618 49.32 1.94 5
16.10 0.634 50.58 1.99 5 1/2
16.51 0.650 51.87 2.04 6
16.92 0.666 53.16 2.09 6 1/2
17.35 0.683 54.51 2.15 7
17.75 0.699 55.76 2.20 7 1/2
18.19 0.716 57.15 2.25 8
18.53 0.729 58.21 2.29 8 1/2
18.89 0.748 59.34 2.35 9
19.41 0.764 60.98 2.40 9 1/2
19.84 0.781 62.33 2.45 10