EU US UK AU Foot Length Foot Girth 34 3 1 21.68 20.2 35 4 2 3.5 22.34 20.4 36 5 3 4.5 23 20.85 37 6 4 5 23.66 21.3 38 7 5 6 24.32 21.75 39 8 6 7 24.98 22.2 40 9 7 7.5 25.64 22.65 41 10 8 8 26.3 23.1 42 11 9 8.5 26.96 23.55 43 12 10 9 27.62 24 44 13 11 9.5 28.28 24.45 45 14 12 10 28.94 24.9 *Measurements shown in the Size Conversion Chart refer to body measurements.