Ring Size Guide

Wrap a piece of string around the base of your finger and record the measurement in millimeters. Use the chart below to find your size given the closest measurement.

We also offer a ring sizer tool here!

 

US Size Diameter Circumference
4 14.99 mm 47 mm
4.5 15.25 mm 48 mm
5 15.7 mm 49.3 mm
5.5 16.1 mm 50.6 mm
6 16.5 mm 51.9 mm
6.5 16.92 mm 53.1 mm
7 17.32 mm 54.4 mm
7.5 17.73 mm 55.7 mm
8 18.14 mm 57 mm
8.5 18.54 mm 58.3 mm
9 18.95 mm 59.6 mm
9.5 19.40 mm 60.8 mm
10 19.80 mm 62.1 mm
10.5 20.20 mm 63.04 mm
11 20.60 mm 64.06 mm
11.5 21.00 mm 65.9 mm
12 21.40 mm 67.2 mm