# US Area Conversion Calculator

## Converts the area among imperial, US Survey and metric units.

 Area square inch square foot square yard acre square mile square foot (survey) square chain (survey) acre (survey) section township square centimeter square meter are hectare square kilometer

 Group Unit name Result Unit Imperial square inch 144 sq in square foot 1 sq ft square yard 0.11111111111111 sq yd acre 2.2956841138659E-5 ac square mile 3.5870064279155E-8 sq mi US Survey square foot (survey) 0.999996000004 sq ft (survey) square chain (survey) 2.2956749311387E-4 sq ch (survey) acre (survey) 2.2956749311387E-5 ac (survey) section 3.5869920799042E-8 section township 9.9638668886227E-10 twp Metric square centimeter 929.0304 cm2 square meter 0.09290304 m2 are 9.290304E-4 a hectare 9.290304E-6 ha square kilometer 9.290304E-8 km2
 $\normal Area\ conversion\\\vspace{5}(1)\ 1km^2=100ha=10^4a=10^6m^2\\(2)\ 1acre=10ch^2=4840yd^2\\\hspace{25} 1yd^2=9ft^2,\ 1ft^2=144in^2\\(3)\ 1twp=36sections=36mi^2\\$

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