Ring Size Conversion
Inside
|
Inside
|
USA/ Canada/
|
UK/ Ireland/ Australia/
|
Germany/ France
|
Spain/ Italy
|
Japan/ China/ India/ South America
|
|
15 mm
|
0.59"
|
4
|
H
|
46.8
|
6,5
|
7
|
|
15.3 mm
|
0.60"
|
4.5
|
I
|
48
|
8
|
8
|
|
15.6 mm
|
0.62"
|
5
|
J
|
49.3
|
9,5
|
9
|
|
16.2 mm
|
0.63"
|
5.5
|
K
|
50.6
|
10,5
|
10
|
|
16.6 mm
|
0.65"
|
6
|
L
|
51.9
|
12
|
11
|
|
16.9 mm
|
0.67"
|
6.5
|
M
|
53.1
|
13,5
|
13
|
|
17.2 mm
|
0.68"
|
7
|
N
|
54.4
|
14,5
|
14
|
|
17.8 mm
|
0.70"
|
7.5
|
O
|
55.7
|
16
|
15
|
|
18.1 mm
|
0.71"
|
8
|
P
|
57
|
17
|
16
|
|
18.5 mm
|
0.73"
|
8.5
|
Q
|
58.3
|
18,5
|
17
|
|
19.1 mm
|
0.75"
|
9
|
R
|
59.5
|
20
|
18
|
|
19.4 mm
|
0.76"
|
9.5
|
S
|
60.8
|
21
|
19
|
|
19.7 mm
|
0.78"
|
10
|
T
|
62.1
|
22,5
|
20
|
|
20.4 mm
|
0.79"
|
10.5
|
U
|
63.4
|
23,5
|
22
|
|
20.7 mm
|
0.81"
|
11
|
V
|
64.6
|
25
|
23
|
|
21.0 mm
|
0.83"
|
11.5
|
W
|
65.9
|
26
|
24
|
|
21.6 mm
|
0.84"
|
12
|
X
|
67.2
|
27,5
|
25
|
|
22.0 mm
|
0.86"
|
12.5
|
Y
|
68.5
|
29
|
26
|
|
22.3 mm
|
0.87"
|
13
|
Z
|
69.7
|
30
|
27
|
|
22.9 mm
|
0.89"
|
13.5
|
Z+2
|
71
|
32
|
-
|
|
23.2 mm
|
0.91"
|
14
|
Z+3
|
72.3
|
33
|
-
|
|
23.6 mm
|
0.92"
|
14.5
|
Z+4
|
73.6
|
34,5
|
-
|
|
24.0 mm
|
0.94"
|
15
|
Z+5
|
74.8
|
35
|
-
|