US UK EU CM
5.5 5 38 24
6 5.5 39 24.5
7 6.5 40 25
8 7.5 41 25.5
8.5 8 42 26
9.5 9 43 26.5
10 9.5 44 27
11 10.5 45 27.5
12 11.5 46 28