UK EU US CM
3 35 4 22
3.5 36 4.5 22.5
4 36.5 5 23
4.5 37 5.5 23.5
5 38 6 24
5.5 38.5 6.5 24.5
6 39 7 25
6.5 40 7.5 25.5
7 40.5 8 26
7.5 41 8.5 26.5
8 42 9 27
8.5 42.5 9.5 27.5
9 43 10 28
9.5 44 10.5 28.5
10 44.5 11 29
10.5 45 11.5 29.5
11 46 12 30
12 47 13 31