Foot Length. 40 245 7 6.5 24.5. 39 240 6.5 6 24. 38.5 235 6 5.5 23.5. 38 235 5.5 5 23.5. 36.5 225 4.5 4 22.5. 36 220 4 3.5 22. 35.5 215 3.5 3 21.5.