Puma sizes
UK 5.5 = US6.5 = EURO 38.5 = 24.5 CM
UK 6 = US 7 = EURO 39 = 25.5 CM
UK 6.5 = US 7.5 = EURO 40 = 25.5 CM
UK 7 = US 8 = EURO 40.5 = 26 CM
UK 7.5 = US 8.5 = EURO 41 = 26.5 CM
UK 8 = US 9 = EURO 42 = 27 CM
UK 8.5 = US 9.5 = EURO 42.5 = 27.5 CM
UK 9 = US 10 = EURO 43.5 = 28 CM
UK 9.5 = US 10.5 = EURO 44 = 28.5 CM
UK 10 = US 11 = EURO 44.5 = 29 CM
UK 10.5 = US 11.5 = EURO 45 = 29.5 CM
UK 11 = US 12 = EURO 46 = 30 CM
UK 12 = US 13 = EURO 47 = 31 CM

Umbro sizes
UK 5.5 = US6.5 = EURO 39 = 24 CM
UK 6 = US 7 = EURO 39.5 = 24.5 CM
UK 6.5 = US 7.5 = EURO 40 = 25 CM
UK 7 = US 8 = EURO 41 = 25.5 CM
UK 7.5 = US 8.5 = EURO 41.5 = 26 CM
UK 8 = US 9 = EURO 42 = 26.5 CM
UK 8.5 = US 9.5 = EURO 42.5 = 27 CM
UK 9 = US 10 = EURO 43 = 27.5 CM
UK 9.5 = US 10.5 = EURO 44 = 28 CM
UK 10 = US 11 = EURO 44.5 = 28.5 CM
UK 10.5 = US 11.5 = EURO 45 = 29 CM
UK 11 = US 12 = EURO 46 = 29.5 CM
UK 11.5 = US 12.5 = EURO 46.5 = 30 CM
UK 12 = US 13 = EURO 47 = 30.5 CM

Reebok sizes
UK 5.5 = US 6.5 = EURO 38.5 = 24.5 CM
UK 6 = US 7 = EURO 39 = 25 CM
UK 6.5 = US 7.5 = EURO 40 = 25.5 CM
UK 7 = US 8 = EURO 40.5 = 26 CM
UK 7.5 = US 8.5 = EURO 41 = 26.5 CM
UK 8 = US 9 = EURO 42 = 27 CM
UK 8.5 = US 9.5 = EURO 42.5 = 27.5 CM
UK 9 = US 10 = EURO 43 = 28 CM
UK 9.5 = US 10.5 = EURO 44 = 28.5 CM
UK 10 = US 11 = EURO 44.5 = 29 CM
UK 10.5 = US 11.5 = EURO 45 = 29.5 CM
UK 11 = US 12 = EURO 45.5 = 30 CM
UK 12 = US 13 = EURO 47 = 31 CM

Adidas sizes
UK6 = US6.5 = EURO 39 1/3 = 24.5CM
UK6.5 = US7 = EURO 40 = 25CM
UK7 = US7.5 = EURO 40 2/3 = 25.5CM
UK7.5 = US8 = EURO 41 1/3 = 26CM
UK8 = US8.5 = EURO 42 = 26.5CM
UK8.5 = US9 = EURO 42 2/3 = 27CM
UK9 = US9.5 = EURO 43 1/3 = 27.5CM
UK9.5 = US10 = EURO 44 = 28CM
UK10 = US10.5 = EURO 44 2/3 = 28.5CM
UK10.5 = US11 = EURO 45 1/3 = 29CM
UK11 = US11.5 = EURO 46 = 29.5CM
UK11.5 = US12 = EURO 46 2/3 = 30CM
UK12 = US12.5 = EURO 47 1/3 = 30.5CM
UK 12.5= US 13 = EURO 48 = 31.0 CM

Nike sizes
UK 5.5 = US 6 = EURO 38.5 = 24 CM
UK 6 = US 6.5 = EURO 39 = 24.5 CM
UK 6 = US 7 = EURO 40 = 25 CM
UK 6.5 = US 7.5 = EURO 40.5 = 25.5 CM
UK 7 = US 8 = EURO 41 = 26 CM
UK 7.5 = US 8.5 = EURO 42 = 26.5 CM
UK 8 = US 9 = EURO 42.5 = 27 CM
UK 8.5 = US 9.5 = EURO 43 = 27.5 CM
UK 9 = US 10 = EURO 44 = 28 CM
UK 9.5 = US 10.5 = EURO 44.5 = 28.5 CM
UK 10 = US 11 = EURO 45 = 29 CM
UK 10.5 = US 11.5 = EURO 45.5 = 29.5 CM
UK 11 = US 12 = EURO 46 = 30 CM
UK 12 = US 13 = EURO 47.5 = 31 CM

Lotto sizes
UK6 = US7 = EURO 39 = 25CM
UK6.5 = US7.5 = EURO 40 = 25.5CM
UK7 = US8 = EURO 40.5 = 26CM
UK7.5 = US8.5 = EURO 41 = 26.5CM
UK8 = US9 = EURO 42 = 27CM
UK8.5 = US9.5 = EURO 42.5 = 27.5CM
UK9 = US10 = EURO 43 = 27.5CM
UK9.5 = US10.5 = EURO 43.5 = 28CM
UK10 = US11 = EURO 44 = 28.5CM
UK10.5 = US11.5 = EURO 45 = 29CM
UK11 = US12 = EURO 45.5 = 29.5CM

Uhlsport sizes

UK 6 = US 6.5 = EURO 39 = 25 CM
UK 6.5 = US 7 = EURO 39.5 = 25.5 CM
UK 7 = US 7.5 = EURO 40.5 = 26 CM
UK 7.5 = US 8 = EURO 41 = 26.5 CM
UK 8 = US 8.5 = EURO 42 = 27 CM
UK 8.5 = US 9 = EURO 42.5 = 27.5 CM
UK 9 = US 9.5 = EURO 43 = 28 CM
UK 9.5 = US 10 = EURO 44 = 28.5 CM
UK 10 = US 10.5 = EURO 44.5 = 29 CM
UK 11 = US 11.5 = EURO 45 = 30 CM

Diadora Sizes
UK 6 = US 6.5 = EURO 39 = 24.5 CM
UK 6.5 = US 7 = EURO 40 = 25 CM
UK 7 = US 7.5 = EURO 40.5 = 25.5 CM
UK 7.5 = US 8 = EURO 41 = 26 CM
UK 8 = US 8.5 = EURO 42 = 26.5 CM
UK 8.5 = US 9 = EURO 42.5 = 27 CM
UK 9 = US 9.5 = EURO 43 = 27.5 CM
UK 9.5 = US 10 = EURO 44 = 28 CM
UK 10 = US 10.5 = EURO 44.5 = 28.5 CM
UK 10.5 = US 11 = EURO 45 = 29 CM
UK 11 = US 11.5 = EURO 45.5 = 29.5 CM



Junior Nike Sizes

UK 5.5 = US 6 = EU 38.5 = 24 CM
UK 5 = US 5.5 = EU 38 = 24 CM
UK 4.5 = US 5 = EU 37.5 = 23.5CM
UK 4 = US 4.5 = EU 36.5 = 23.5CM
UK 3.5 = US 4 = EU 36 = 23 CM
UK 3 = US 3.5 = EU 35.5 = 22.5CM
UK 2.5 = US 3 = EU 35 = 22 CM
UK 2 = US 2.5 = EU 34 = 21.5CM
UK 1.5 = US 2 = EU 33.5 = 21 CM
UK 1 = US 1.5 = EU 33 = 20.5CM
UK 13.5 = US 1 = EU 32 = 20 CM

Junior Diadora Sizes

UK 5.5 = US 6 = EU 38.5 = 24 CM
UK 5 = US 5.5 = EU 38 = 23.5 CM
UK 4.5 = US 5 = EU 37 = 23 CM
UK 4 = US 4.5 = EU 36.5 = 22.5 CM
UK 3.5 = US 4 = EU 36 = 22 CM
UK 3 = US 3.5 = EU 35.5 = 21.5 CM
UK 2.5 = US 3 = EU 35 = 21 CM
UK 2 = US 2.5 = EU 34 = 20.5 CM
UK 1.5 = US 2 = EU 33.5 = 20 CM
UK 1 = US 1.5 = EU 33 = 19.5CM