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Need Help With Your Ring Size?

Measure by Diameter

  1. Take a ring that already fits you well.

  2. Place it on a ruler and measure the inside diameter in millimeters, from one inner edge directly across to the other.

  3. Match your measurement to the Diameter column in the chart below.

Measure by Circumference

  1. Cut a thin strip of paper or use a piece of string.

  2. Wrap it snugly around the base of your finger.

  3. Mark where the ends meet and measure the length in millimeters.

  4. Match your measurement to the Circumference column in the chart below.


Below is the Ring Sizer Chart!

Diameter (mm) Circumference (mm) US & Canada Australia UK & Ireland Europe Spain & Italy Japan
14.1 44.29 3 F 44 4 4
14.5 45.55 3.5 G 45 5.5 6
14.9 46.8 4 H 47 7 7
15.3 48.06 4.5 I 48 9 8
15.7 49.32 5 J 1/2 50 10 9
16.1 50.57 5.5 K 1/2 52 12 10
16.5 51.83 6 L 1/2 53 13 11
16.7 52.46 - - - - 12
16.9 53.09 6.5 M 1/2 54 14 13
17.3 54.34 7 N 1/2 55 15 14
17.7 55.06 7.5 O 1/2 56 16.5 15
18.1 56.86 8 P 1/2 57 18 16
18.5 58.11 8.5 Q 1/2 58 19 17
18.8 59.06 - - - - 18
19 59.69 9 R 1/2 59 20 -
19.4 60.94 9.5 S 1/2 60 21.5 19
19.8 62.2 10 T 1/2 61 22 20
20 62.83 - - - - 21
20.2 6.46 10.5 U 1/2 62 23.5 22
20.6 64.71 11 V 1/2 63 25 23
21 65.97 11.5 W 1/ 64 26 24
21.4 67.23 12 X 1/2 66 27.5 -
21.5 67.54 - - - - 25
21.6 67.85 - - 68 - -
21.8 68.48 12.5 Z - 28 -
21.9 68.8 - - 69 - 26
22.1 69.42 - - - 29 -
22.3 70.05 13 - 70 30 27
22.5 70.68 - Z 1/2 - - -
22.6 70.99 13.5 - - - -
22.7 71.31 - - 71 31 28
22.9 71.94 - Z+2 72 32 -
23.2 72.88 14 Z+3 - - -