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US, British & European Ring Sizes

Eing Sizer

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/JPHK CH
44.214.1 F3464
44.814.35
45.514.5 G7.5
46.114.76
46.814.9 H479
47.415.1
48.015.3I810
48.715.5 J9
49.315.75911
50.015.9 K10
50.616.110 12
51.216.3 L11¾
51.916.5611 1312¾
52.516.7 M12
53.116.91314.5 14
53.817.1 N
54.417.3714 1615¼
55.117.5 O
55.717.715 1716½
56.317.9 P
57.018.181617¾
57.218.218
57.618.3 Q
58.318.517 19
58.918.8 R19
59.519.091820.5
60.219.2 S20¼
60.819.419 22
61.419.6 T21½
62.119.81020 23
62.720.0 U21
63.420.210½22 2422¾
64.020.4 V
64.620.61123 25
65.320.8 W25
65.921.011½24 26
66.621.2 X
67.221.4122527.75 27½
67.821.6 Y
68.521.8 Z12½2628¾
69.122.0
69.722.2 1327 30
70.422.4Z+1
71.022.613½