Men's Ring Size Guide

Need sizing help? Head to our NAJO Journal entry, How to Ring Size or view our Ring Size Guide for measurements.

Please refer to the table below for approximate ring size comparisons. Many rings can also be resized.

USA British Inside Circumference Inside Diameter
9 R 1/2 59.50 mm 18.95 mm
10 T 1/2 62.10 mm 19.76 mm
11 V 1/2 64.60 mm 20.57 mm
12 X 1/2 67.20 mm 21.39 mm