USA EU UK CM
5 37.5 4.5 23
5.5 38 5 23.5
6 38.5 5.5 24
6.5 39 6 24.5
7 40 6.5 25
7.5 40.5 7 25.5
8th 41 7.5 26
8.5 42 8th 26.5
9 42.5 8.5 27
9.5 43 9 27.5
10 44 9.5 28
10.5 44.5 10 28.5
11 45 10.5 29
11.5 45.5 11 29.5
12 46.5 11.5 30
12.5 47 12 30.5
13 47.5 12.5 31
14 49.5 13.5 32
15 50.5 14.5 32.5