We recommend choosing the bigger size for 1/2 sizes and an additional size for wider feet.

Europe UK USA woman USA men Japan Cm Inches
35 2.5 5.5 4 21.5 22.5 8.86
36 3.5 6.5 5 22.5 23.1 9.10
37 4 7.5 6 23 23.8 9.37
38 5 8 6.5 24  24.5 9.65
39 6 9 7.5 25 25.1 9.88
40 6.5 9.5 8 25.5 25.8 10.16
41 7 10 8.5 28 26.5 10.43
42 7.5 11 9 26.5 27.2 10.71
43 8.5 12 10.5 27.5 27.9 10.98
44 9.5 13 11.5 28.5 28.6 11.26.
45 10.5 14 12.5 29.5 29.2 11.50
46 - - - - 29.9 11.77
47 - - - - 30.5 12.01
48 - - - - 31.1 122.4