US UK EU CM
5 3.5 36 22
5.5 4 36 2/3 22.5
6 4.5 37 1/3 23
6.5 5 38 23.5
7 5.5 38 2/3 24
7.5 6 39 1/3 24.5
8 6.5 40 25
8.5 7 40 2/3 25.5
9 7.5 41 1/3 26
9.5 8 42 26.5
10 8.5 42 2/3 27
10.5 9 43 1/3 27.5
11 9.5 44 28