Ladies'

UK 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8
Europe 34 35 35.5 36 37 37.5 38 38.5 39 40 40.5 41 42
USA 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10
Japan 21.5 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5

Men's

UK 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
Europe 36.5 37 38 38.5 39 40 40.5 41 42 42.5 43 44 44.5 45 46 46.5 47
USA 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5
Japan 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30

Girls'

UK 10 11 12 13 1 1.5 2 2.5 3 3.5 4 4.5 5
Europe 28 29 30.5 31.5 33 33.5 34 35 35.5 36 37 37.5 38
USA 11.5 12.5 13.5 1.5 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Japan 16.5 17.5 18.5 19.5 20.5 21 21.5 22 22.5 23 23.5 24 24.5

Boys'

UK 1 1.5 2 2.5 3 3.5 4 4.5 5
Europe 33.5 34 34.5 35 35.5 36 37 37.5 38
USA 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Japan 19 19.5 20 20.5 21 21.5 22 22.5 23