AUSTRALIA/UK ITALY USA EUROPEAN (circumference mm)
H 7 3 3/4 47
H 1/2 7.5 4 47.5
I 8 4 1/4 48
I 1/2 8.5 4 1/2 48.5
J 9 4 3/4 49
J 1/2 9.5 5 50
K 10 5 1/4 50.5
K 1/2 11 5 1/2 51
L 11.5 5 3/4 52
L 1/2 12 6 52.5
M 13 6 1/4 53
M 1/2 13.5 6 1/2 53.5
N 14 6 3/4 54
N 1/2 14.5 7 55
O 15 7 1/4 55.5
O 1/2 16 7 1/2 56
P 16.5 7 3/4 57
P 1/2 17 8 57.5
Q 18 8 1/4 58
Q 1/2 18.5 8 1/2 58.5
R 19 8 3/4 59
R 1/2 19.5 9 60
S 20 9 1/4 60.5
S 1/2 21 9 1/2 61
T 21.5 9 3/4 62
T 1/2 22 10 62.5
U 23 10 1/4 63
U 1/2 23.5 10 1/2 64
V 24 10 3/4 64.5
V 1/2 24.5 11 65
W 25.5 11 1/4 65.5
W 1/2 26 11 1/2 66
X 26.5 11 3/4 67
X 1/2 27.5 12 67.5
Y 28 12 1/4 68
Y 1/2 28.5 12 1/2 68.5
Z 29 12 3/4 69
Z + 1 30.5 13 1/4 70.5
Z + 2 31.5 13 3/4 71.5

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