Unit Name square mile 1 unit = x square mile
acre 640.0000035 0.0015625
arpent [Canada] 757.5523372 0.00132
hectare 258.998811 0.003861
square 278784.1200284 0.0000036
square foot 27879312.2744887 0
square inch 4316646850.5 0
square kilometer 2.5899881 0.3861022
square meter 2589988.1103 0.0000004
square mile 1 1
square yard 3097701.3638321 0.0000003