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RING SIZE

3. Ring Size

  • Before you buy a ring, you need to know your ring size. It is very simple to measure your ring size. Just take a soft sewing measure (meter), a strip of paper or a simple cord and pull tightly to get the most accurate reading. Remember to measure across the knuckle of your chosen finger since this is the widest part of your finger. Measure your finger in the evening, when it is wider.
  • If you know your ring size in inches or millimeters, check our ring size conversion chart to find out what ring size you need to order.

RING SIZE CONVERSION CHART (International Ring Sizes)

Inside Diameter (mm) Inside Diameter (inch) Inside Circumference (mm) Inside Circumference (inch) USA & Canada UK, AU & NZ European
11.6 0.458 36.5 1.438
11.8 0.466 37.2 1.463
12 0.474 37.8 1.488 A
12.2 0.482 38.4 1.513 A 1/2
12.4 0.49 39.1 1.539 1 B
12.6 0.498 39.7 1.564 1 1/4 B 1/2
12.9 0.506 40.4 1.589 1 1/2 C
13.1 0.514 41 1.614 1 3/4 C 1/2
13.3 0.522 41.6 1.639 2 D 1.5
13.5 0.53 42.3 1.664 2 1/4 D 1/2
13.7 0.538 42.9 1.689 2 1/2 E 2.75
13.9 0.546 43.5 1.714 2 3/4 E 1/2
14.1 0.554 44.2 1.74 3 F 4
14.3 0.562 44.8 1.765 3 1/4 F 1/2 5.25
14.5 0.57 45.5 1.79 3 1/2 G
14.7 0.578 46.1 1.815 3 3/4 G 1/2 6.5
14.9 0.586 46.7 1.84 4 H
15.1 0.594 47.4 1.865 4 1/4 H 1/2 7.75
15.3 0.602 48 1.89 4 1/2 I
15.5 0.61 48.7 1.915 4 3/4 J 9
15.7 0.618 49.3 1.941 5 J 1/2
15.9 0.626 49.9 1.966 5 1/4 K 10
16.1 0.634 50.6 1.991 5 1/2 K 1/2
16.3 0.642 51.2 2.016 5 3/4 L 11.75
16.5 0.65 51.8 2.041 6 L 1/2 12.75
16.7 0.658 52.5 2.066 6 1/4 M 12.75
16.9 0.666 53.1 2.091 6 1/2 M 1/2 14
17.1 0.674 53.8 2.116 6 3/4 N
17.3 0.682 54.4 2.141 7 N 1/2 15.25
17.5 0.69 55 2.167 7 1/4 O
17.7 0.698 55.7 2.192 7 1/2 O 1/2 16.5
17.9 0.706 56.3 2.217 7 3/4 P
18.1 0.714 56.9 2.242 8 P 1/2 17.75
18.3 0.722 57.6 2.267 8 1/4 Q
18.5 0.73 58.2 2.292 8 1/2 Q 1/2
18.7 0.738 58.9 2.317 8 3/4 R 19
18.9 0.746 59.5 2.342 9 R 1/2
19.2 0.754 60.1 2.368 9 1/4 S 20.25
19.4 0.762 60.8 2.393 9 1/2 S 1/2
19.6 0.77 61.4 2.418 9 3/4 T 21.5
19.8 0.778 62.1 2.443 10 T 1/2
20 0.786 62.7 2.468 10 1/4 U
20.2 0.794 63.3 2.493 10 1/2 U 1/2 22.75
20.4 0.802 64 2.518 10.3/4 V
20.6 0.81 64.6 2.543 11 V 1/2
20.8 0.818 65.2 2.569 11 1/4 W 25
21 0.826 65.9 2.594 11 1/2 W 1/2
21.2 0.834 66.5 2.619 11 3/4 X
21.4 0.842 67.2 2.644 12 X 1/2 27.5
21.6 0.85 67.8 2.669 12 1/4 Y
21.8 0.858 68.4 2.694 12 1/2 Z 28.75
22 0.866 69.1 2.719 12 3/4 Z 1/2
22.2 0.874 69.7 2.744 13
22.4 0.882 70.3 2.769 13 1/4 Z1
22.6 0.89 71 2.795 13 1/2
22.8 0.898 71.6 2.82 13 3/4 Z2
23 0.906 72.3 2.845 14 Z3
23.2 0.914 72.9 2.87 14 1/4
23.4 0.922 73.5 2.895 14 1/2 Z4
23.6 0.93 74.2 2.92 14 3/4
23.8 0.938 74.8 2.945 15
24 0.946 75.4 2.97 15 1/4
24.2 0.954 76.1 2.996 15 1/2
24.4 0.962 76.7 3.021 15 3/4
24.6 0.97 77.4 3.046 16
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