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RING SIZE


International Ring Sizes

Size in MM US & Canada Great Britain Japan France Switzerland Germany
44.1 3 F 4 44 4 14
45.4 3 1/2 G 5 45 1/4 5 1/4 14 1/2
46.7 4 H 1/2 7 46 1/2 6 1/2 15
48.0 4 1/2 I 1/2 8 47 3/4 7 3/4 15 1/2
49.2 5 J 1/2 9 49 9 15 3/4
50.5 5 1/2 K 1/2 10 50 1/4 10 1/4 16 1/4
51.8 6 L 1/2 12 51 1/2 11 1/2 16 1/2
53.1 6 1/2 M 1/2 13 52 3/4 12 3/4 17
54.3 7 O 14 54 14 17 1/4
55.6 7 1/2 P 15 55 1/4 15 1/4 17 3/4
56.9 8 Q 16 56 1/2 16 1/2 18
58.2 8 1/2 R 17 57 3/4 17 3/4 18 1/2
59.4 9 S 18 59 19 19
60.7 9 1/2 -- 19 60 1/4 20 1/4 19 1/2
62.0 10 T 1/2 20 61 1/2 21 1/2 20
63.3 10 1/2 U 1/2 22 62 3/4 22 3/4 20 1/2
64.5 11 V 1/2 23 64 24 20 3/4
65.8 11 1/2 W 1/2 24 65 1/4 25 1/4 21
67.1 12 Y 25 66 1/2 26 1/2 21 1/4
68.3 12 1/2 Z 26 67 3/4 27 3/4 21 3/4
69.6 13 -- 27 69 29 22

To determine your ring size, do the following:

  • Use a piece of string or dental floss and wrap it around the base of your finger.
  • Use a pen to mark the point on the string where the end meets.
  • Use a millimeter ruler to measure the string.
  • Choose the closest measurement to the chart above to find your ring size.

Tips for best results:

  • Allow enough room to accommodate your knuckle.
  • Bear in mind, different fingers on the same and the opposite hand may have different sizes. Therefore, measure the specific finger on which you are planning to wear the ring.
  • Measure your finger at the end of the day when your finger is likely to be largest.

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