U.K. E.U. U.S. (Men’s) U.S. (Women’s) Japan (cm)
3.5 36 4 5 22
4 36 2/3 4.5 5.5 22.5
4.5 37 1/3 5 6 23
5 38 5.5 6.5 23.5
5.5 38 2/3 6 7 24
6 39 1/3 6.5 7.5 24.5
6.5 40 7 8 25
7 40 2/3 7.5 8.5 25.5
7.5 41 1/3 8 9 26
8 42 8.5 9.5 26.5
8.5 42 2/3 9 10 27
9 43 1/3 9.5 10.5 27.5
9.5 44 10 11 28
10 44 2/3 10.5 11.5 28.5
10.5 45 1/3 11 12 29
11 46 11.5 12.5 29.5
11.5 46 2/3 12 13 30
12 47 1/3 12.5 13.5 30.5
12.5 48 13 14 31
13 48 2/3 13.5 14.5 31.5
13.5 49 1/3 14 15 32
14.5 50 2/3 15 16 33