Suarti Sterling Silver Jewellery

Ring Size Chart

Sizes Internal diameter Internal circumference
UK, Ireland
and Australia		 USA &
Canada		 Japan Switzerland inches mm inches mm
- 0 - - 0.458 11.63 1.44 36.5
- 1/4 - - 0.466 11.84 1.46 37.2
A 1/2 - - 0.474 12.04 1.49 37.8
A 1/2 3/4 - - 0.482 12.24 1.51 38.5
B 1 1 - 0.490 12.45 1.54 39.1
B 1/2 1 1/4 - - 0.498 12.65 1.56 39.7
C 1 1/2 - - 0.506 12.85 1.59 40.4
C 1/2 1 3/4 - - 0.514 13.06 1.61 41.0
D 2 2 1.5 0.522 13.26 1.64 41.7
D 1/2 2 1/4 - - 0.530 13.46 1.67 42.3
E 2 1/2 3 2.75 0.538 13.67 1.69 42.9
E 1/2 2 3/4 - - 0.546 13.87 1.72 43.6
F 3 4 4 0.554 14.07 1.74 44.2
F 1/2 3 1/4 5 5.25 0.562 14.27 1.77 44.8
G 3 1/2 - - 0.570 14.48 1.79 45.5
G 1/2 3 3/4 6 6.5 0.578 14.68 1.82 46.1
H 4 7 - 0.586 14.88 1.84 46.8
H 1/2 4 1/4 - 7.75 0.594 15.09 1.87 47.4
I 4 1/2 8 - 0.602 15.29 1.89 48.0
J 4 3/4 - 9 0.610 15.49 1.92 48.7
J 1/2 5 9 - 0.618 15.70 1.94 49.3
K 5 1/4 - 10 0.626 15.90 1.97 50.0
K 1/2 5 1/2 10 - 0.634 16.10 1.99 50.6
L 5 3/4 - 11.75 0.642 16.31 2.02 51.2
L 1/2 6 11 12.75 0.650 16.51 2.04 51.9
M 6 1/4 12 - 0.658 16.71 2.07 52.5
M 1/2 6 1/2 13 14 0.666 16.92 2.09 53.1
N 6 3/4 - - 0.674 17.12 2.12 53.8
N 1/2 7 14 15.25 0.682 17.32 2.14 54.4
O 7 1/4 - - 0.690 17.53 2.17 55.1
O 1/2 7 1/2 15 16.5 0.698 17.73 2.19 55.7
P 7 3/4 - - 0.706 17.93 2.22 56.3
P 1/2 8 16 17.75 0.714 18.14 2.24 57.0
Q 8 1/4 - - 0.722 18.34 2.27 57.6
Q 1/2 8 1/2 17 - 0.730 18.54 2.29 58.3
R 8 3/4 - 19 0.738 18.75 2.32 58.9
R 1/2 9 18 - 0.746 18.95 2.34 59.5
S 9 1/4 - 20.25 0.754 19.15 2.37 60.2
S 1/2 9 1/2 19 - 0.762 19.35 2.39 60.8
T 9 3/4 - 21.5 0.770 19.56 2.42 61.4
T 1/2 10 20 - 0.778 19.76 2.44 62.1
U 10 1/4 21 - 0.786 19.96 2.47 62.7
U 1/2 10 1/2 22 22.75 0.794 20.17 2.49 63.4
V 10 3/4 - - 0.802 20.37 2.52 64.0
V 1/2 11 23 - 0.810 20.57 2.54 64.6
W 11 1/4 - 25 0.818 20.78 2.57 65.3
W 1/2 11 1/2 24 - 0.826 20.98 2.59 65.9
X 11 3/4 - - 0.834 21.18 2.62 66.6
X 1/2 12 25 27.5 0.842 21.39 2.65 67.2
Y 12 1/4 - - 0.850 21.59 2.67 67.8
Z 12 1/2 26 28.75 0.858 21.79 2.70 68.5
Z 1/2 12 3/4 - - 0.866 22.00 2.72 69.1
- 13 27 - 0.874 22.20 2.75 69.7
Z1 13 1/4 - - 0.882 22.40 2.77 70.4
- 13 1/2 - - 0.890 22.61 2.80 71.0
Z2 13 3/4 - - 0.898 22.81 2.82 71.7
Z3 14 - - 0.906 23.01 2.85 72.3
- 14 1/4 - - 0.914 23.22 2.87 72.9
Z4 14 1/2 - - 0.922 23.42 2.90 73.6
- 14 3/4 - - 0.930 23.62 2.92 74.2
- 15 - - 0.938 23.83 2.95 74.8
- 15 1/4 - - 0.946 24.03 2.97 75.5
- 15 1/2 - - 0.954 24.23 3.00 76.1
- 15 3/4 - - 0.962 24.43 3.02 76.8
- 16 - - 0.970 24.64 3.05 77.4