US UK EU CM
4-4.5 2.5-3 35 22
5-5.5 3.5-4 36 22.5
6-6.5 4-4.5 37 23.5
7-7.5 5-5.5 38 24
8-8.5 6 39 24.5
9-9.5 6.5-7 40 25.5
10-10.5 7.5 41 26
11-11.5 8-8.5 42 26.5
12-12.5 9-9.5 43 27.5