UK EU US
5.5 38.5 6.5
6 39 7
6.5 40 7.5
7 41 8
7.5 41.5 8.5
8 42 9
8.5 42.5 9.5
9 43 10
9.5 44 10.5
10 44.5 11
10.5 45 11.5
11 46 12
11.5 46.5 12.5
12 47 13
12.5 47.5 13.5
13 48 14
13.5 49 14