 acre

A unit of area defined as 43,560 square feet and equivalent to 4.046873x10^{3} square meters.
 are

A unit of area defined as exactly 100 square meters.
Symbol: a.
 area

A class of derived unit constructed by multiplying together two units of length.
 b

Symbol for the measurement unit barn.
 barn

A unit of reaction probability expressed as an area and defined as exactly 10^{28} square meters, or commonly as 10^{24} square centimeters.
Symbol: b.
 circular mil

A unit of area equivalent to 5.067075x10^{10} square meters.
 darcy

A unit of area equivalent to 9.869233x10^{13} square meters.
 ft^{2}

A symbol for square foot.
 ha

A symbol for the measurement unit hectare.
 hectare

A unit of area defined as exactly 1x10^{4} square meters.
Symbol: ha.
 in^{2}

A symbol for square inch.
 m^{2}

A symbol for square meter.
 mb

A symbol for millibarn.
 mi^{2}

Symbol for the measurement unit square mile.
 millibarn

A unit of reaction probability which is expressed as an area and is equivalent to 10^{3} barn.
Symbol: mb.
 quarteron

A unit of area defined as 1.76 square meters.
 roll

For wall paper, it is a unit of area defined as 30 square feet and equivalent to 2.787 square meters.
 square foot

A unit of area defined as 144 square inches and equivalent to 9.290304x10^{2} square meters.
Symbol: ft^{2}.
 square inch

A unit of area defined as exactly 6.4516x10^{4} square meters.
Symbol: in^{2}.
 square meter

The SI standard unit of area.
Symbol: m^{2}.
 square mile

A unit of area defined as 640 acres and equivalent to 2.589988x10^{6} square meters.
Symbol: mi^{2}.
 square pes

A unit of area equivalent to 8.74126^{2} square meters.
 square Scottish ell

A unit of area equivalent to 8.8322x10^{1} square meters.
 square vara

A unit of area equivalent to 7.16883x10^{1} square meters.
 square yard

A unit of area defined as 1,296 square inches and equivalent to 8.361274x10^{1} square meters.
Symbol: yd^{2}.
 yd^{2}

Symbol for the measurement unit square yard.


