Ring Sizes Guide

Simple method to check your ring size:

  1. Take a ring that already in your size and put it on a white paper.
  2. Draw the inner circle of it on the paper.
  3. Check the diameter of it and That's it! Now check on the table below your size. 

Null

Inside diameterInside circumferenceSizes
In mm In mm USA &
Canada
United Kingdom
& Australia
0.618 15.7 1.94 49.3 5
0.626 15.9 1.97 50 5.25 K
0.634 16.1 1.99 50.6
0.642 16.31 2.02 51.2 L
0.65 16.51 2.04 51.9 6
0.658 16.71 2.07 52.5 M
0.666 16.92 2.09 53.1
0.674 17.12 2.12 53.8 53.8
0.682 17.32 2.14 54.4 7
0.69 17.53 2.17 55.1 O
0.698 17.73 2.19 55.7
0.706 17.93 2.22 56.3 P
0.714 18.14 2.24 57 8
0.722 18.34 2.27 57.6 Q
0.73 18.54 2.29 58.3
0.738 18.75 2.32 58.9 R
0.746 18.95 2.34 59.5 9
0.754 19.15 2.37 60.2 S
0.762 19.35 2.39 60.8
0.77 19.56 2.42 61.4 T
0.778 19.76 2.44 62.1 10
0.786 19.96 2.47 62.7 10¼ U
0.794 20.17 2.49 63.4 10½
0.802 20.37 2.52 64 10¾ V
0.81 20.57 2.54 64.6 11
0.818 20.78 2.57 65.3 11¼ W
0.826 20.98 2.59 65.9 11½
0.834 21.18 2.62 66.6 11¾ X
0.842 21.39 2.65 67.2 12
0.85 21.59 2.67 67.8 12¼ Y
0.858 21.79 2.7 68.5 12½
0.866 22 2.72 69.1 12¾ Z
0.874 22.2 2.75 69.7 13