Ring Size Guide – Rokkard

Ring Size Guide

Different countries have different ring-size systems. Rokkard uses US sizes. The average men's size is size 10. The average woman’s ring size is size 6.

Circumference
(mm)
Diameter
(mm)
US/CA UK/AU EU
46.68 14.82 4.0 H 47
47.75 15.20 4.5 I 48
49.07 15.62 5.0 J 49
50.35 16.03 5.5 K 50
51.58 16.42 6.0 L 51
52.27 16.64 6.5 M 52
54.52 17.23 7.0 N 54
55.32 17.61 7.5 O 55
56.73 18.06 8.0 P 56
57.71 18.37 8.5 Q 58
59.12 18.82 9.0 R 59
60.72 19.33 9.5 S 60
62.04 19.75 10.0 T 61
63.24 20.13 10.5 U 63
64.43 20.51 11.0 V 64
65.81 20.95 11.5 W 65
67.07 21.35 12.0 X 67
68.17 21.70 12.5 Y 68
69.30 22.06 13.0 Z 69
70.62 22.48 13.5 Z1 70
71.84 22.87 14.0 Z2 72
73.98 23.55 14.5 Z3 74
75.40 24.05 15.0 Z4 75