Unit Name square chain [Ramden, Engineer] 1 unit = x square chain [Ramden, Engineer]
acre 0.2295693 4.3559826
arpent [Canada] 0.2717356 3.6800479
hectare 0.0929034 10.7638675
square 100.0004413 0.01
square foot 10000.3670614 0.0001
square inch 1548390.1666667 0.0000006
square kilometer 0.000929 1076.3867548
square meter 929.0341 0.0010764
square mile 0.0003587 2787.828897
square yard 1111.1518957 0.0009