Ring Size finder
Diameter (mm)
United States & Canada
Europe
UK & Australia
Singapore & Japan
Hong Kong
Switzerland
14.1
3
44
F½
4
6
4
G
5
45
14.3 14.5
3½ 46
H
6
4
47
H½
7
8
4½
48
I½
8
9
5
49
J½
14.7 14.9
50
15.9 16.1
5½
11¾ 12¾
13
14
14
14
15
15¼
M
12
6½
53
M½
7
54
N½
11
N 55 7½
17.9 18.1
8
16
O O½
56
P
57
P½
15 17 18
8½
18.8
58
Q½
59
R
9
19.2 19.4
9½
R½ 60
S
61
S½
10
62
10½
20.4 20.6
11½
63
U½
22
V
12
V½ W
66
W½
67
X½
22 23
22¾
23 25
25
24 26 25
27
27½
Y 12½ 13
68
Z
69
Z½
13½
26 27
70 Z+1
22.4 22.6
21
24
X
22.0 22.2
20
21½
64
21.6 21.8
19
21
65
19 20¼
20
21.2 21.4
18
U
11
20.8 21.0
19
T½
20.0 20.2
17
T
19.6 19.8
17¾
Q
18.3
19.0
16½
16
18.2 18.5
10
12
L L½
17.5 17.7
11
13
51
17.1 17.3
9
10
52
16.7 16.9
K K½
10 9
6
16.3 16.5
7¾
J
15.5 15.7
6½
I
15.1 15.3
5¼ 7
G½
Z+2
28¾
United States & Canada
Europe
UK & Australia
Singapore & Japan
Hong Kong
Switzerland
14.1
3
44
F½
4
6
4
G
5
45
14.3 14.5
3½ 46
H
6
4
47
H½
7
8
4½
48
I½
8
9
5
49
J½
14.7 14.9
50
15.9 16.1
5½
11¾ 12¾
13
14
14
14
15
15¼
M
12
6½
53
M½
7
54
N½
11
N 55 7½
17.9 18.1
8
16
O O½
56
P
57
P½
15 17 18
8½
18.8
58
Q½
59
R
9
19.2 19.4
9½
R½ 60
S
61
S½
10
62
10½
20.4 20.6
11½
63
U½
22
V
12
V½ W
66
W½
67
X½
22 23
22¾
23 25
25
24 26 25
27
27½
Y 12½ 13
68
Z
69
Z½
13½
26 27
70 Z+1
22.4 22.6
21
24
X
22.0 22.2
20
21½
64
21.6 21.8
19
21
65
19 20¼
20
21.2 21.4
18
U
11
20.8 21.0
19
T½
20.0 20.2
17
T
19.6 19.8
17¾
Q
18.3
19.0
16½
16
18.2 18.5
10
12
L L½
17.5 17.7
11
13
51
17.1 17.3
9
10
52
16.7 16.9
K K½
10 9
6
16.3 16.5
7¾
J
15.5 15.7
6½
I
15.1 15.3
5¼ 7
G½
Z+2
28¾
