US UK EU CM
2.5 - 3 35 22.3
3.5 36 23
6 - 6.5 4 - 4.5 37 23.7
7 - 7.5 5 - 5.5 38 24.3
8 - 8.5 6 39 25
9 - 9.5 6.5 - 7 40 25.7
10-10.5 7.5 41 26.3
11-11.5 8-8.5 42 27