Ring Size Table
AU SIZE |
US SIZE |
EU SIZE |
CIRCUMFERENCE (MM) |
DIAMETER (MM) |
J½ |
5 |
49¼ |
49.30 |
15.70 |
K½ |
5.5 |
50½ |
50.60 |
16.10 |
L½ |
6 |
51¾ |
51.90 |
16.51 |
M½ |
6.5 |
53¼ |
53.10 |
16.92 |
N½ |
7 |
54½ |
54.40 |
17.32 |
O½ |
7.5 |
55¾ |
55.40 |
17.73 |
P½ |
8 |
57 |
57.00 |
18.13 |
Q½ |
8.5 |
58¼ |
58.30 |
18.54 |
R½ |
9 |
59½ |
59.50 |
18.95 |
S½ |
9.5 |
60¾ |
60.80 |
19.35 |
T½ |
10 |
62¼ |
62.10 |
19.76 |
U½ |
10.5 |
63½ |
63.40 |
20.17 |
V½ |
11 |
64¾ |
64.60 |
20.57 |
W½ |
11.5 |
66 |
65.90 |
20.98 |
X½ |
12 |
67¼ |
67.20 |
21.39 |
Y½ |
12.5 |
68½ |
68.50 |
21.79 |
Z½ |
13 |
70 |
69.70 |
22.20 |