US UK EU CM
6-6.5 3.5 36 22
7-7.5 4.5 37 22.5
8-8.5 5.5 38 23.5
9-9.5 6.5 39 24
10-10.5 7.5 40 24.5
11-11.5 8.5 41 25.5
12 9.5 42