Size Chart US Women US Men U.K. Women Centimeters 5 3 2.5 22.8 6 4 3.5 23.5 7 5 4.5 24.1 8 6 5.5 24.8 9 7 6.5 25.4 10 8 7.5 26 11 9 8.5 26.7 12 10 9.5 27.3 13 11 10.5 27.9 14 12 11.5 28.6 15 13 12.5 29.2 16 14 13.5 29.8