Jadeite Ring Size Chart
Ring Sizes |
Inside Diameter |
Inside Circumference |
AU & UK |
US & Canada |
Millimetres |
Inches |
Millimetres |
Inches |
C 1/2 |
1 3/4 |
13.00 |
0.512 |
40.82 |
1.61 |
D |
2 |
13.20 |
0.520 |
41.45 |
1.63 |
D 1/2 |
2 1/4 |
13.40 |
0.528 |
42.08 |
1.66 |
E |
2 1/2 |
13.60 |
0.535 |
42.70 |
1.68 |
E 1/2 |
2 3/4 |
13.70 |
0.539 |
43.02 |
1.69 |
F |
3 |
14.00 |
0.551 |
43.96 |
1.73 |
F 1/2 |
3 1/4 |
14.20 |
0.559 |
44.59 |
1.76 |
G |
3 1/2 |
14.30 |
0.563 |
44.90 |
1.77 |
G 1/2 |
3 3/4 |
14.50 |
0.571 |
45.53 |
1.79 |
H |
4 |
14.80 |
0.583 |
46.47 |
1.83 |
H 1/2 |
4 1/4 |
15.00 |
0.591 |
47.10 |
1.85 |
I |
4 1/2 |
15.20 |
0.598 |
47.73 |
1.88 |
I 1/2 |
4 3/4 |
15.40 |
0.606 |
48.36 |
1.9 |
J |
5 |
15.60 |
0.614 |
48.98 |
1.93 |
J 1/2 |
5 1/4 |
15.80 |
0.622 |
49.61 |
1.95 |
K |
5 1/2 |
16.00 |
0.630 |
50.24 |
1.98 |
K 1/2 |
5 3/4 |
16.20 |
0.638 |
50.87 |
2.00 |
L |
6 |
16.40 |
0.646 |
51.50 |
2.03 |
L 1/2 |
6 1/4 |
16.60 |
0.654 |
52.12 |
2.05 |
M |
6 1/2 |
16.80 |
0.661 |
52.75 |
2.08 |
M 1/2 |
6 3/4 |
17.00 |
0.669 |
53.38 |
2.1 |
N |
7 |
17.20 |
0.677 |
54.01 |
2.13 |
N 1/2 |
7 1/4 |
17.40 |
0.685 |
54.64 |
2.15 |
O |
7 1/2 |
17.60 |
0.693 |
55.26 |
2.18 |
O 1/2 |
7 3/4 |
17.80 |
0.701 |
55.89 |
2.20 |
P |
8 |
18.00 |
0.709 |
56.52 |
2.23 |
P 1/2 |
8 1/4 |
18.20 |
0.717 |
57.15 |
2.25 |
Q |
8 1/2 |
18.40 |
0.724 |
57.78 |
2.27 |
Q 1/2 |
8 3/4 |
18.60 |
0.732 |
58.40 |
2.3 |
R |
9 |
18.80 |
0.740 |
59.03 |
2.32 |
R 1/2 |
9 1/4 |
19.00 |
0.748 |
59.66 |
2.35 |
S |
9 1/2 |
19.20 |
0.756 |
60.29 |
2.37 |
S 1/2 |
9 3/4 |
19.40 |
0.764 |
60.92 |
2.4 |
T |
10 |
19.60 |
0.772 |
61.54 |
2.42 |
T 1/2 |
10 1/4 |
19.80 |
0.780 |
62.17 |
2.45 |
U |
10 1/2 |
20.00 |
0.787 |
62.80 |
2.47 |
U 1/2 |
10 3/4 |
20.20 |
0.795 |
63.43 |
2.5 |
V |
11 |
20.40 |
0.803 |
64.06 |
2.52 |
V 1/2 |
11 1/4 |
20.60 |
0.811 |
64.68 |
2.55 |
W |
11 1/2 |
20.80 |
0.819 |
65.31 |
2.57 |
W 1/2 |
11 3/4 |
21.00 |
0.827 |
65.94 |
2.6 |
X |
12 |
21.20 |
0.835 |
66.57 |
2.62 |
X 1/2 |
12 1/4 |
21.40 |
0.843 |
67.20 |
2.65 |
Y |
12 1/2 |
21.60 |
0.850 |
67.82 |
2.67 |
Y 1/2 |
12 3/4 |
21.80 |
0.858 |
68.45 |
2.69 |
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