Ring Size Chart

Instructions

  1. Use a ring that fits the desired finger.
  2. Measure the internal diameter of the ring (in mm). Ensure your ruler starts at the 0mm mark.
Sizes Inside Diameter Inside Circumference
US & Canada British & Australian MM Inches MM Inches
4 H1/2 14.86 0.585 46.68 1.84
4 1/2 I 1/2 15.27 0.601 47.97 1.89
5 J 1/2 15.70 0.618 49.32 1.94
5 1/2 L 16.10 0.634 50.58 1.99
6 M 16.51 0.650 51.87 2.04
6 1/2 N 16.92 0.666 53.16 2.09
7 O 17.35 0.683 54.51 2.15
7 1/2 P 17.75 0.699 55.76 2.20
8 Q 18.19 0.716 57.15 2.25
8 1/2 Q 3/4 18.53 0.729 58.21 2.29
9 R 3/4 18.89 0.748 59.34 2.35