Sustainable!
Bespoke!
Heirloom!
Circumference (inches) |
Circumference (mm) |
Diameter (mm) |
Australia |
UK/ South Africa |
France |
Germany |
Italy/ Spain/ Netherland |
Japan/ South America |
Switzerland |
USA/Canada |
1 3/4 |
44.5 |
14.05 |
F |
F |
44 |
14 |
4 |
4 |
4 |
3 |
1 25/32 |
45.2 |
14.45 |
G |
G |
45 |
14.5 |
5 1/4 |
6 |
5.5 |
3 1/2 |
1 13/16 |
46 |
14.86 |
H |
H |
47 |
15 |
6 1/2 |
7 |
7 |
4 |
1 7/8 |
48 |
15.27 |
I 1/2 |
I - 1/2 |
48 |
15.25 |
8 |
8 |
9 |
4 1/2 |
1 15/16 |
49 |
15.7 |
J 1/2 |
J - 1/2 |
50 |
15.75 |
9.5 |
9 |
10 |
5 |
2 |
51 |
16.1 |
L |
L |
51 3/4 |
16 |
10.5 |
11 |
11.75 |
5 1/2 |
2 1/6 |
52 |
16.51 |
M |
M |
52 3/4 |
16.5 |
11.5 |
12 |
12.75 |
6 |
2 1/8 |
53 |
16.92 |
N |
N |
54 |
17 |
13 |
13 |
14 |
6 1/2 |
2 3/16 |
55 |
17.35 |
O |
O |
55 1/4 |
17.25 |
14.5 |
14 |
15.25 |
7 |
2 1/4 |
56 |
17.75 |
P |
P |
56 1/2 |
17.75 |
16 |
15 |
16.50 |
7 1/2 |
2 5/16 |
57 |
18.19 |
Q |
Q |
57 3/4 |
18 |
17 |
16 |
17.75 |
8 |
2 3/8 |
58 |
18.53 |
Q 1/2 |
Q 1/2 |
58 |
18.5 |
18.5 |
17 |
19 |
8 1/2 |
2 7/16 |
59 |
18.89 |
R 1/2 |
R 1/2 |
59 1/4 |
19 |
19.5 |
18 |
20 |
9 |
2 1/2 |
61 |
19.41 |
S 1/2 |
S 1/2 |
60 1/2 |
19.5 |
21 |
19 |
21.5 |
9 1/2 |
2 9/16 |
62 |
19.84 |
T 1/2 |
T 1/2 |
61 3/4 |
20 |
22 |
20 |
22 |
10 |
2 5/8 |
63 |
20.2 |
U 1/2 |
U 1/2 |
62 3/4 |
20.25 |
23.5 |
22 |
23.5 |
10 1/2 |
2 11/16 |
65 |
20.68 |
V 1/2 |
V 1/2 |
64 1/4 |
20.75 |
25 |
23 |
25 |
11 |
2 3/4 |
66 |
21.08 |
W 1/2 |
W 1/2 |
66 |
21 |
26.5 |
24 |
26 |
11 1/2 |
2 13/16 |
68 |
21.49 |
Y |
Y |
67 1/2 |
21.25 |
27.5 |
25 |
27.5 |
12 |
2 7/8 |
69 |
21.89 |
Z |
Z |
68 3/4 |
21.75 |
28.5 |
26 |
28.75 |
12 1/2 |
2 15/16 |
70 |
22.33 |
-- |
-- |
-- |
22 |
30 |
27 |
-- |
13 |