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How to measure Ring Size


Ring Sizes


Below is a chart of ring sizes for the convenience of our all International and Domestic customers

Diameter Diameter Circumference Circumference India US/Canada British Japanese Swiss
(inches) (mm) (inches) (mm) Standard Standard Irish Equivalent Equivalent
Australian
Equivalent
0.458 11.6 1.438 36.5 0
0.466 11.8 1.463 37.2 1/4
0.474 12.0 1.488 37.8 1/2 A
0.482 12.2 1.513 38.4 3/4 A 1/2
0.490 12.4 1.539 39.1 1 B 1
0.498 12.6 1.564 39.7 1/2 1 1/4 B 1/2
0.506 12.9 1.589 40.4 3/4 1 1/2 C
0.514 13.1 1.614 41.0 1 1 3/4 C 1/2
0.522 13.3 1.639 41.6 2 2 D 2 1.50
0.530 13.5 1.664 42.3 2 1/2 2 1/4 D 1/2
0.538 13.7 1.689 42.9 3 2 1/2 E 3 2.75
0.546 13.9 1.714 43.5 4 2 3/4 E 1/2
0.554 14.1 1.740 44.2 4 1/2 3 F 4 4.00
0.562 14.3 1.765 44.8 5 3 1/4 F 1/2 5 5.25
0.570 14.5 1.790 45.5 5 1/2 3 1/2 G
0.578 14.7 1.815 46.1 6 3 3/4 G 1/2 6 6.50
0.586 14.9 1.840 46.7 6 1/2 4 H 7
0.594 15.1 1.865 47.4 7 4 1/4 H 1/2 7.75
0.602 15.3 1.890 48.0 8 4 1/2 I 8
0.610 15.5 1.915 48.7 9 4 3/4 J 9.00
0.618 15.7 1.941 49.3 9 1/2 5 J 1/2 9
0.626 15.9 1.966 49.9 10 5 1/4 K 10.00
0.634 16.1 1.991 50.6 10 1/2 5 1/2 K 1/2 10
0.642 16.3 2.016 51.2 11 5 3/4 L 11.75
0.650 16.5 2.041 51.8 12 6 L 1/2 11 12.75
0.658 16.7 2.066 52.5 12 1/2 6 1/4 M 12
0.666 16.9 2.091 53.1 13 6 1/2 M 1/2 13 14.00
0.674 17.1 2.116 53.8 13 1/2 6 3/4 N
0.682 17.3 2.141 54.4 14 7 N 1/2 14 15.25
0.690 17.5 2.167 55.0 15 7 1/4 O
0.698 17.7 2.192 55.7 15 1/2 7 1/2 O 1/2 15 16.50
0.706 17.9 2.217 56.3 16 7 3/4 P
0.714 18.1 2.242 56.9 17 8 P 1/2 16 17.75
0.722 18.3 2.267 57.6 17 1/2 8 1/4 Q
0.730 18.5 2.292 58.2 18 8 1/2 Q 1/2 17
0.738 18.7 2.317 58.9 19 8 3/4 R 19
0.746 18.9 2.342 59.5 19 1/2 9 R 1/2 18
0.754 19.2 2.368 60.1 20 9 1/4 S 20.25
0.762 19.4 2.393 60.8 21 9 1/2 S 1/2 19
0.770 19.6 2.418 61.4 21 1/2 9 3/4 T 21.5
0.778 19.8 2.443 62.1 22 10 T 1/2 20
0.786 20.0 2.468 62.7 23 10 1/4 U 21
0.794 20.2 2.493 63.3 23 1/2 10 1/2 U 1/2 22 22.75
0.802 20.4 2.518 64.0 24 10 3/4 V
0.810 20.6 2.543 64.6 25 11 V 1/2 23
0.818 20.8 2.569 65.2 25 1/2 11 1/4 W 25
0.826 21.0 2.594 65.9 26 11 1/2 W 1/2 24
0.834 21.2 2.619 66.5 26 1/2 11 3/4 X
0.842 21.4 2.644 67.2 27 12 X 1/2 25 27.50
0.850 21.6 2.669 67.8 28 12 1/4 Y
0.858 21.8 2.694 68.4 28 1/2 12 1/2 Z 26 28.75
0.866 22.0 2.719 69.1 29 12 3/4 Z 1/2
0.874 22.2 2.744 69.7 30 13 27
0.882 22.4 2.769 70.3 30 1/2 13 1/4 Z1
0.890 22.6 2.795 71.0 31 13 1/2
0.898 22.8 2.820 71.6 32 13 3/4 Z2
0.906 23.0 2.845 72.3 32 1/2 14 Z3
0.914 23.2 2.870 72.9 33 14 1/4
0.922 23.4 2.895 73.5 33 1/2 14 1/2 Z4
0.930 23.6 2.920 74.2 34 14 3/4
0.938 23.8 2.945 74.8 35 15
0.946 24.0 2.970 75.4 35 1/2 15 1/4
0.954 24.2 2.996 76.1 36 15 1/2
0.962 24.4 3.021 76.7 36 1/2 15 3/4
0.970 24.6 3.046 77.4 37 16

Queries / Comments: 3


1. SYED IRFAN AHMED [05-12-2014]

2. Sanket Chitransh [26-04-2013]

3. Nalini Satyajit [02-03-2012]