Foot Measure US Men (select this equivalent) US Women UK EU 9.60" 5 6.5 5 37 9.93" 6 7.5 5.5 38.5 10.25" 7 8.5 6 39.5 10.50" 7.5 9 6.5 40 10.65" 8 9.5 7 40.5 10.75" 8.5 10 7.5 41 10.85" 9 10.5 8 42 11.10" 9.5 11 8.5 42.5 11.25" 10 11.5 9 43 11.45" 10.5 12 9.5 44 11.60" 11 12.5 10 44.5 11.75" 11.5 13 10.5 45 11.90" 12 14 11 46 12.25" 13 15 12.5 47.5