International Ring Size Chart
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Inside Circumference
|
US, Canada, Mexico
|
UK, Australia, Ireland, New Zealand, South Africa
|
France
|
Germany, Russia, Ukraine, Asia
|
India, China, Japan, South America, Turkey, Israel
|
Italy, Spain, Netherlands, Switzerland
|
IN
|
MM
|
1.74
|
44.2
|
3
|
F
|
44
|
14
|
4
|
4
|
1.77
|
44.8
|
3.25
|
F 3/4
|
44.625
|
14.25
|
---
|
4.625
|
1.79
|
45.5
|
3.5
|
G 1/4
|
45.25
|
14.5
|
5
|
5.25
|
1.82
|
46.1
|
3.75
|
H
|
45.875
|
14.75
|
6
|
5.875
|
1.84
|
46.8
|
4
|
H 1/2
|
46.5
|
15
|
7
|
6.5
|
1.87
|
47.4
|
4.25
|
I
|
47.125
|
15.25
|
---
|
7.125
|
1.89
|
48
|
4.5
|
I 1/2
|
47.75
|
15.5
|
8
|
7.75
|
1.92
|
48.7
|
4.75
|
J 1/4
|
48.375
|
---
|
---
|
8.375
|
1.94
|
49.3
|
5
|
J 1/2
|
49
|
15.75
|
9
|
9
|
1.97
|
50
|
5.25
|
K 1/4
|
49.625
|
16
|
---
|
9.625
|
1.99
|
50.6
|
5.5
|
L
|
50.25
|
16.25
|
10
|
10.25
|
2.02
|
51.2
|
5.75
|
L 1/4
|
50.875
|
---
|
11
|
10.875
|
2.04
|
51.9
|
6
|
M
|
51.5
|
16.5
|
12
|
11.5
|
2.07
|
52.5
|
6.25
|
M 1/2
|
52.125
|
16.75
|
---
|
12.125
|
2.09
|
53.1
|
6.5
|
N
|
52.75
|
17
|
13
|
12.75
|
2.12
|
53.8
|
6.75
|
N 1/2
|
53.375
|
---
|
---
|
13.375
|
2.14
|
54.4
|
7
|
O
|
54
|
17.25
|
14
|
14
|
2.17
|
55.1
|
7.25
|
O 1/2
|
54.625
|
17.5
|
---
|
14.625
|
2.19
|
55.7
|
7.5
|
P
|
55.25
|
17.75
|
15
|
15.25
|
2.22
|
56.3
|
7.75
|
P 1/2
|
55.875
|
---
|
---
|
15.875
|
2.24
|
57
|
8
|
Q
|
56.5
|
18
|
16
|
16.5
|
2.27
|
57.6
|
8.25
|
Q 1/2
|
57.125
|
18.25
|
---
|
7.125
|
2.29
|
58.3
|
8.5
|
Q 3/4
|
57.75
|
18.5
|
17
|
17.75
|
2.32
|
58.9
|
8.75
|
R 1/4
|
58.375
|
18.75
|
---
|
18.375
|
2.34
|
59.5
|
9
|
R 3/4
|
59
|
19
|
18
|
19
|
2.37
|
60.2
|
9.25
|
S 1/4
|
59.625
|
19.25
|
---
|
19.625
|
2.39
|
60.8
|
9.5
|
S 3/4
|
60.25
|
19.5
|
19
|
20.25
|
2.42
|
61.4
|
9.75
|
T 1/4
|
60.875
|
19.75
|
---
|
20.875
|
2.44
|
62.1
|
10
|
T 1/2
|
61.5
|
20
|
20
|
21.25
|
2.47
|
62.7
|
10.25
|
U
|
62.125
|
20.25
|
21
|
22.125
|
2.49
|
63.4
|
10.5
|
U 1/2
|
62.75
|
20.5
|
22
|
22.75
|
2.52
|
64
|
10.75
|
V 1/4
|
63.375
|
---
|
---
|
23.375
|
2.54
|
64.6
|
11
|
V 1/2
|
64
|
20.75
|
23
|
24
|
2.57
|
65.3
|
11.25
|
W 1/4
|
64.625
|
---
|
---
|
24.625
|
2.59
|
65.9
|
11.5
|
W 3/4
|
65.25
|
21
|
24
|
25.25
|
2.62
|
66.6
|
11.75
|
X 1/4
|
65.875
|
---
|
---
|
25.875
|
2.65
|
67.2
|
12
|
Y
|
66.5
|
21.25
|
25
|
26.5
|
2.68
|
68.1
|
12.25
|
Y 1/2
|
67.125
|
21.5
|
---
|
27.125
|
2.71
|
68.5
|
12.5
|
Z
|
67.75
|
21.75
|
26
|
27.75
|
2.72
|
69.1
|
12.75
|
Z + 1/2
|
68.375
|
---
|
---
|
28.375
|
2.75
|
69.7
|
13
|
Z + 1
|
69
|
22
|
27
|
29
|
|
