Ring Sizing Guide

CIRCUMFERENCE (mm) PERIMETER (inches) US & CANADA UK & AU BRAZIL
49 1 15/16 5 J1/2 9
52 2 1/16 6 M 12
55 2 3/16 7 O 15
57 2 5/16 8 Q 17
59 2 7/16 9 R1/2 19
62 2 9/16 10 T1/2 22