Ring Size Chart

Ring Size Chart

Measure an existing ring’s inside diameter and match it below.

US AU/UK Inside Diameter (mm)
5 J 1/2 15.7
6 L 1/2 16.5
7 O 17.3
8 Q 18.1
9 S 18.9
10 T 1/2 19.8

Values are approximate; if between sizes, we recommend sizing up.