Foot Measure (heel to toe) US Men (select this equivalent) US Women UK EU 23.9 cm 5 6.5 4 37.5 24.7 cm 6 7.5 5 38.5 25.6 cm 7 8.5 6 39.5 26.1 cm 7.5 9 6.5 40 26.5 cm 8 9.5 7 40.5 27 cm 8.5 10 7.5 41 27.5 cm 9 10.5 8 42 27.9 cm 9.5 11 8.5 42.5 28.3 cm 10 11.5 9 43 28.7 cm 10.5 12 9.5 43 29.2 cm 11 12.5 10 44 29.6 cm 11.5 13 10.5 44.5 30 cm 12 14 11 46 30.8 cm 13 15 12.5 47.5