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Convert area.

Square feet to square metres, and the two units land is really sold in: the acre and the hectare.

Area

Type a value, or “5cm to in”

To

Decimals
Converted

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Every unit at once 12 units

Common area conversions

Each of these has its own page with the formula, a values table and both directions.

square feet to square meters ft² → m² acres to square feet ac → ft² hectares to acres ha → ac acres to square meters ac → m² hectares to square meters ha → m² square inches to square centimeters in² → cm² square miles to square kilometers mi² → km² square yards to square feet yd² → ft²

Every area unit on this page

square kilometer km²
A million square metres, and the unit used to describe land areas and map scales in most countries.
square meter m²
The SI base unit of area, equal to a square one metre on each side.
square centimeter cm²
A square ten millimetres on each side, used for small areas and architectural drawings.
square millimeter mm²
A square millimetre on each side, used in technical drawings and precision work.
hectare ha
A common unit of land area equal to 10,000 square metres, or about 2.47 acres. Used worldwide for forestry, agriculture and land measurement.
are a
A hundredth of a hectare, equal to one hundred square metres. Primarily used in legal property measurement in continental Europe.
acre ac
A unit of land area equal to 43,560 square feet, historically defined as what a yoked ox could plough in one day. Still the standard land measurement in the United States and some Commonwealth countries.
square mile mi²
A million square yards, used for regional areas and maps in countries using imperial units.
square yard yd²
Nine square feet, used for land area and fabric sizing in imperial-unit countries.
square foot ft²
144 square inches, the everyday unit for room and building floor areas in the United States and the United Kingdom.
square inch in²
A square inch on each side, used for small areas, engineering drawings and component specifications.
square rod rd²
272.25 square feet, a quarter of an acre. Still appears in older land surveys and deeds.
Other converters
Length Weight and mass Temperature Volume Speed Time Data storage Cooking volume Pressure Energy Power Force Angle Frequency Data transfer rate Fuel consumption

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