US, British & European Ring Sizes

The most common U.S.A. ring sizes for women are 6 and 7. For men, sizes 10 and 11 are most common. The best way to find your ring size is with a ring sizer.

Check and record the finger sizes of any finger on which you may consider wearing a ring.

If you are thinking about a ring for another person, it may be worthwhile to buy a set. They are inexpensive, especially the plastic ones. Have a look on Ebay.

  • The U.S.A. uses a numeric ring size system from 1-13
  • Asia uses 2 different numeric ring size systems that are not quite the same
  • UK Ring sizes use an alphabetic system from A-Z
  • The European ring size system is numeric from 38-70. It is the interior circumference measurement in millimeters.

INTERNATIONAL RING SIZE CHART
Cir (mm) Dia (mm) UK, EU, & AU US & CA CN/SG/JP HK CH
44.2 14.1 F 3 4 6 4
44.8 14.3 5
45.5 14.5 G 7.5
46.1 14.7 6
46.8 14.9 H 4 7 9
47.4 15.1
48.0 15.3 I 8 10
48.7 15.5 J 9
49.3 15.7 5 9 11
50.0 15.9 K 10
50.6 16.1 10 12
51.2 16.3 L 11¾
51.9 16.5 6 11 13 12¾
52.5 16.7 M 12
53.1 16.9 13 14.5 14
53.8 17.1 N
54.4 17.3 7 14 16 15¼
55.1 17.5 O
55.7 17.7 15 17 16½
56.3 17.9 P
57.0 18.1 8 16 17¾
57.2 18.2 18
57.6 18.3 Q
58.3 18.5 17 19
58.9 18.8 R 19
59.5 19.0 9 18 20.5
60.2 19.2 S 20¼
60.8 19.4 19 22
61.4 19.6 T 21½
62.1 19.8 10 20 23
62.7 20.0 U 21
63.4 20.2 10½ 22 24 22¾
64.0 20.4 V
64.6 20.6 11 23 25
65.3 20.8 W 25
65.9 21.0 11½ 24 26
66.6 21.2 X
67.2 21.4 12 25 27.75 27½
67.8 21.6 Y
68.5 21.8 Z 12½ 26 28¾
69.1 22.0
69.7 22.2 13 27 30
70.4 22.4 Z+1
71.0 22.6 13½
Total
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