US UK EU
4.5 2 34 1/3
5 2.5 35
5.5 3 35 2/3
6 3.5 36 1/3
6 3.5 36
6.5 4 37
7 4.5 37 2/3
7.5 5 38 1/3
8 5.5 39
8.5 6 39 2/3
9 6.5 40 1/3
9.5 7 41
10 7.5 41 2/3
10.5 8 42 1/3
11 8.5 43