Ring Conversion Guide

Circumference (mm)
International Ring Size Chart
UK/Ireland US/Canada France Germany Spain/
Switzerland Spain/
Netherlands
46 H 4 47 15 7
49.2 J 5 50 15.8 9.5
52.4 L 6 53 16.5 11.5
54 N 7 55 17.3 14.5
57.2 P 8 57 18 17
57.8 Q 8.5 58 18.5 18.5
58.7 R 9 59 19 19.5
60.3 S 9.5 60 19.5 21
61.9 T 10 61 20.3 22
63.5 U 10.5 62 20.8 23.5
65.1 W 11 63 21 25
65.9 X 11.5 64 21.3 26.5
67.8 Y 12 66 21.8 27.5
68.4 Z 13 68 22 30
70.3 Z +1 13.5 − − −
71.6 Z +2 14 − − −
72.3 Z +3 14.5 − − −