UK - Men EU US - Men US - Women cm inch
3 35.5 - 5.5 22
3.5 36 - 6 22.5 8.9
4 37 - 6.5 23 9.1
4.5 37.5 - 7 23.5 9.3
5 38 6 7.5 24 9.4
5.5 38.5 6.5 8 24.5 9.6
6 39 7 8.5 25 9.8
6.5 40 7.5 9 25.5 10
7 40.5 8 9.5 26 10.2
7.5 41 8.5 10 26.5 10.4
8 42 9 10.5 27 10.6
8.5 42.5 9.5 11 27.5 10.8
9 43 10 - 28 11
9.5 44 10.5 - 28.5 11.2
10 44.5 11 - 29 11.4
10.5 45 11.5 - 29.5 11.6
11 46 12 - 30 11.8
11.5 46.5 12.5 - 30.5 12
12 47 13 - 31 12.2
12.5 - - - - -
13 48.5 14 - 31.5 12.4
13.5 - - - - -
14 49.5 15 - 32 12.6
14.5 - - - - -
15 51 16 - 32.5 12.8