Unit Name acre 1 unit = x acre
acre 1 1
arpent [Canada] 1.1836755 0.8448261
hectare 0.4046856 2.4710538
square 435.6001851 0.0022957
square foot 43561.4251884 0.000023
square inch 6744760.6666667 0.0000001
square kilometer 0.0040469 247.1053828
square meter 4046.8564 0.0002471
square mile 0.0015625 640.0000035
square yard 4840.1583543 0.0002066