International Size Guide
US/CAN
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
10.5
11
11.5
12
12.5
13
Diameter
14.0mm
14.4mm
14.8mm
15.2mm
15.6mm
16.0mm
16.4mm
16.8mm
17.2mm
17.6mm
18.0mm
18.4mm
18.8mm
19.2mm
19.6mm
20.0mm
20.4mm
20.8mm
21.2mm
21.6mm
22.0mm
AUS
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
EU
44
45
46.5
47.5
49
50
51.5
52.5
54
55
56.5
57.5
59
60.25
61.5
62.75
64
65.25
66.5
67.75
69
UK
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z