Unit Name square kilometer 1 unit = x square kilometer
acre 247.1053828 0.0040469
arpent [Canada] 292.4925926 0.0034189
hectare 100 0.01
square 107639.1505118 0.0000093
square foot 10764262.6480086 0.0000001
square inch 1666666666.66667 0
square kilometer 1 1
square meter 1000000 0.000001
square mile 0.3861022 2.5899881
square yard 1196029.1831121 0.0000008