shoes size 4 = bare foot heel to toe about 22 cm
shoes size 5= bare foot heel to toe about 22.5 cm
shoes size 6= bare foot heel to toe about 23 cm
shoes size 6.5 = bare foot heel to toe about 23.5 cm
shoes size 7.5 = bare foot heel to toe about 24 cm
shoes size 8.5 = bare foot heel to toe about 24.5 cm
shoes size 9 = bare foot heel to toe about 25 cm
shoes size 9.5= bare foot heel to toe about 25.5 cm
shoes size 10 = bare foot heel to toe about 26 cm
shoes size 10.5= bare foot heel to toe about 26.5 cm