US UK EU CM
7-7.5 7.5 41 26
8-8.5 8/8.5 42 26.5
9-9.5 9-9.5 43 27.5
10-10.5 10 44 28
11-11.5 10.5/11 45 28.5
12-12.5 11.5 46 29.5