Ring Size Chart
Finger Circumference (mm) |
Ring Inside Diameter (mm) |
UK |
USA |
Europe |
Italy |
49.3 |
15.7 |
J½ |
5 |
49 |
9.5 |
50.6 |
16.1 |
K½ |
5½ |
50.5 |
10.5 |
51.9 |
16.5 |
L½ |
6 |
52 |
11.5 |
53.1 |
16.9 |
M½ |
6½ |
53 |
13 |
54.4 |
17.3 |
N½ |
7 |
54.5 |
14.5 |
55.7 |
17.7 |
O½ |
7½ |
56 |
16 |
57.1 |
18.1 |
P½ |
8 |
57 |
17 |
58.3 |
18.5 |
Q½ |
8½ |
58 |
18.5 |
59.5 |
19 |
R½ |
9 |
60 |
19.5 |
60.8 |
19.4 |
S½ |
9½ |
61 |
21 |
62.1 |
19.8 |
T½ |
10 |
62 |
22 |
63.4 |
20.2 |
U½ |
10½ |
63 |
23.5 |
64.6 |
20.6 |
V½ |
11 |
64.5 |
25 |
65.9 |
21 |
W½ |
11½ |
66 |
|
67.2 |
21.4 |
X½ |
12 |
67 |
|
68.5 |
21.8 |
Z |
12½ |
68 |
|
69.7 |
22.2 |
|
13 |
70 |
|