Foot Measure US Men (select this equivalent) US Women UK EU 24.4 cm 5 6.5 5 37 25.2 cm 6 7.5 5.5 38.5 26.1 cm 7 8.5 6 39.5 26.7 cm 7.5 9 6.5 40 27.1 cm 8 9.5 7 40.5 27.3 cm 8.5 10 7.5 41 27.6 cm 9 10.5 8 42 28.2 cm 9.5 11 8.5 42.5 28.6 cm 10 11.5 9 43 29.1 cm 10.5 12 9.5 44 29.5 cm 11 12.5 10 44.5 29.8 cm 11.5 13 10.5 45 30.3 cm 12 14 11 46 31.1 cm 13 15 12.5 47.5