Ring Size Guide

All our rings are adjustable.
When the ring is not adjusted:
Internal diameter: 18mm-20mm (0.71inch-0.79inch)
Internal circumference: 56mm-63mm (2.20inch - 2.48inch)
You can stretch out to enlarge or compress inward to fit your fingers.

Ring Size Reference Chart
Internal Diameter Internal Circumference US UK EU
mm in mm in
16.1 0.634 50.6 1.99 5.5 K 1/2 50
16.51 0.65 51.9 2.04 6 L 1/2 51
16.92 0.666 53.1 2.09 6.5 M 1/2 52
17.32 0.682 54.4 2.14 7 N 1/2 55
17.73 0.698 55.7 2.19 7.5 O 1/2 56
18.14 0.714 57 2.24 8 P 1/2 57
18.54 0.73 58.3 2.29 8.5 Q 1/2 58.5
18.95 0.746 59.5 2.34 9 R 1/2 59
19.4 0.762 60.8 2.39 9.5 S 1/2 60.5
17.96 0.778 62.1 2.44 10 T 1/2 61.5
20.17 0.794 63.4 2.49 10.5 U 1/2 62
20.57 0.81 64.6 2.54 11 V 1/2 64
20.98 0.826 65.9 2.59 11.5 W 1/2 66
21.39 0.842 67.2 2.65 12 X 1/2 68