U.S. Size  UK EU LENGTH (CM)
7 6.5 40 24.5
7.5 7 41 25
8 7.5 41.5 25.4
8.5 8 42 25.7
9 8.5 43 26
9.5 9 43.5 26.5
10 9.5 44 27
10.5 10 44.5 27.5
11 10.5 45 28
11.5 11 45.5 28.3
12 11.5 46 28.7
12.5 12 47 29
13 12.5 48 29.5
U.S. Size  UK EU LENGTH (IN)
7 6.5 40 9.6
7.5 7 41 9.8
8 7.5 41.5 10.0
8.5 8 42 10.1
9 8.5 43 10.2
9.5 9 43.5 10.4
10 9.5 44 10.6
10.5 10 44.5 10.8
11 10.5 45 11
11.5 11 45.5 11.1
12 11.5 46 11.3
12.5 12 47 11.4
13 12.5 48 11.6