International Sizing
For international customers, please refer to our international size chart to find your correct size. Note that all sizes on our website are listed in US measurements.
Inside Diameter |
Inside Circumference |
SIZE |
|
|
|
MM |
MM |
US / Canada |
UK / Australia / South Africa |
France / Germany |
Europe / Italy / Spain |
14.1 |
44.2 |
3 |
F |
44 |
4.25 |
14.5 |
45.5 |
3.5 |
G |
45.5 |
5.5 |
14.9 |
46.8 |
4 |
H |
47 |
6.75 |
15.3 |
48 |
4.5 |
I |
48 |
8 |
15.7 |
49.3 |
5 |
J-½ |
50 |
9.25 |
16.1 |
50.6 |
5.5 |
K-½ |
51 |
10.5 |
16.5 |
51.9 |
6 |
L-½ |
52 |
11.75 |
16.9 |
53.1 |
6.5 |
M-½ |
53 |
13.25 |
17.3 |
54.4 |
7 |
N-½ |
54 |
14.5 |
17.7 |
55.7 |
7.5 |
O-½ |
56 |
15.75 |
18.1 |
57 |
8 |
P-½ |
57 |
17 |
18.5 |
58.3 |
8.5 |
Q-½ |
58 |
18.25 |
19 |
59.5 |
9 |
R-½ |
59 |
19.5 |
19.4 |
60.8 |
9.5 |
S-½ |
61 |
20.75 |
19.8 |
62.1 |
10 |
T-½ |
62 |
22 |
20.2 |
63.4 |
10.5 |
U-½ |
63 |
23.25 |
20.6 |
64.6 |
11 |
V-½ |
64 |
24.75 |
21 |
65.9 |
11.5 |
W-½ |
66 |
26 |
21.4 |
67.2 |
12 |
X-½ |
67 |
27.25 |
21.8 |
68.5 |
12.5 |
Z |
68 |
28.5 |
22.2 |
69.7 |
13 |
Z+1 |
70 |
29.75 |
22.6 |
71 |
13.5 |
Z+1.5 |
71 |
31 |
23 |
72.3 |
14 |
Z+2 |
72 |
32.25 |
23.4 |
73.5 |
14.5 |
Z+2.5 |
73.5 |
33.5 |
23.8 |
74.8 |
15 |
Z+3 |
75 |
34.75 |