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WeddingBands.com - International Ring Sizing Chart
This table shows the ring sizes
conversion for different countries and the internal
diameters correspond to those sizes. Please e-mail us at
AskUs@WeddingBands.com
if you have any question.
|
Size
|
Diameter
(in)
|
Diameter
(mm)
|
British
|
French
|
German
|
Japanese
|
Swiss
|
|
0.5
|
31/64
|
12.1
|
A
|
|
|
|
|
|
1
|
1/2
|
12.5
|
B
|
|
|
1
|
|
|
1.5
|
33/64
|
12.9
|
C
|
|
|
|
|
|
2
|
17/32
|
13.3
|
D
|
41 1/2
|
13 1/2
|
2
|
1 1/2
|
|
2.5
|
35/64
|
13.7
|
E
|
42 3/4
|
13 3/4
|
3
|
2 3/4
|
|
3
|
9/16
|
14.1
|
F
|
44
|
14
|
4
|
4
|
|
3.5
|
37/64
|
14.5
|
G
|
45 1/4
|
14 1/2
|
5
|
5 1/4
|
|
4
|
19/32
|
14.9
|
H 1/2
|
46 1/2
|
15
|
7
|
7 3/4
|
|
4.5
|
39/64
|
15.3
|
I 1/2
|
47 3/4
|
15 1/4
|
8
|
9
|
|
5
|
5/8
|
15.8
|
J 1/2
|
50
|
15 3/4
|
9
|
10
|
|
5.5
|
41/64
|
16.2
|
L
|
51 3/4
|
16
|
11
|
11 3/4
|
|
6
|
21/32
|
16.6
|
M
|
52 3/4
|
16 1/2
|
12
|
12 3/4
|
|
6.5
|
43/64
|
17.0
|
N
|
54
|
17
|
13
|
14
|
|
7
|
11/16
|
17.4
|
O
|
55 1/4
|
17 1/4
|
14
|
15 1/4
|
|
7.5
|
45/64
|
17.8
|
P
|
56 1/2
|
17 3/4
|
15
|
16 1/2
|
|
8
|
23/32
|
18.2
|
Q
|
57 3/4
|
18
|
16
|
17 3/4
|
|
8.5
|
47/64
|
18.6
|
R
|
58 1/2
|
18 1/2
|
17
|
18 3/4
|
|
9
|
3/4
|
19.0
|
S
|
60
|
19
|
18
|
19 3/4
|
|
9.5
|
49/64
|
19.4
|
T 1/2
|
61 1/2
|
19 1/2
|
20
|
21
|
|
10
|
25/32
|
19.8
|
T 1/2
|
62 1/4
|
20
|
21
|
21 3/4
|
|
10.5
|
51/64
|
20.2
|
U 1/2
|
63
|
20 1/4
|
22
|
23 1/4
|
|
11
|
13/16
|
20.6
|
V 1/2
|
64 1/2
|
20 3/4
|
23
|
24
|
|
11.5
|
53/64
|
21.1
|
X
|
66 1/4
|
21 1/4
|
24
|
25 3/4
|
|
12
|
27/32
|
21.5
|
Y
|
67 1/2
|
21 1/4
|
25
|
27 1/2
|
|
12.5
|
55/64
|
21.7
|
Z
|
68 3/7
|
21 3/4
|
26
|
28 3/4
|
|
13
|
7/8
|
22.3
|
Z+1
|
70
|
22
|
27
|
29 3/4
|
|
13.5
|
57/64
|
22.7
|
Z+2
|
|
|
29
|
|
|
14
|
29/32
|
23.1
|
Z+3
|
|
|
31
|
|
|
14.5
|
59/64
|
23.5
|
Z+4
|
|
|
32
|
|
|
15
|
15/16
|
23.9
|
Z+5
|
|
|
33
|
|
|
|
|
|