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Ring Size Chart

How to determine your ring size
  • Wrap a piece of string around your finger.
  • Mark the point where the two ends meet.
  • Measure the string against a ruler to get the circumference of your finger.
  • Look up your ring size using the table below.
U.S.A. Size British / Australian Size German Size Circumferece (mm) Diameter (mm)
4.5 I - 1/2 15 1/4 47.8 15.27
5 J 1/2 15 3/4 49 15.70
5.5 L 16 50.3 16.10
6 M 16 1/2 51.5 16.51
6.5 N 17 52.8 16.92
7 O 17 1/4 54 17.35
7.5 P 17 3/4 55.3 17.75
8 Q 18 56.6 18.19
8.5 Q 1/2 18 1/2 57.8 18.53
9 R 1/2 19 59.1 18.89
9.5 S 1/2 19 1/2 60.3 19.41
10 T 1/2 20 61.6 19.84
10.5 U 1/2 20 1/4 62.8 20.20
11 V 1/2 20 3/4 64.1 20.68
11.5 W 1/2 21 65.3 21.08
12 Y 21 1/4 66.6 21.49
12.5 Z 21 3/4 67.9 21.89
13 -- 22 69.1 22.33

Click here to see more information on choosing ring size for a comfort ring.