US EU UK CM
4 37 3 22.8
5 38 4 23.5
6 39 5 24.5
7 40 6 24.8
8 41 7 25.4
9 42 8 26.1
9.5 43 8.5 26.3
10 44 9 27.4
11 45 10 28
12 46 11 28.7
13 47 12 29.4


Please note that if you use measurements in centimeters (CM), these correspond to the length of the foot and not to the total length of the footwear, including its last.