›› Convert square foot to acre

square feet

Did you mean to convert square foot
square foot [survey]
to acres

›› More information from the unit converter

How many square feet in 1 acres? The answer is 43560.
We assume you are converting between square foot and acre.
You can view more details on each measurement unit:
square feet or acres
The SI derived unit for area is the square meter.
1 square meter is equal to 10.76391041671 square feet, or 0.00024710538146717 acres.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square feet and acres.
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You can do the reverse unit conversion from acres to square feet, or enter any two units below:

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›› Common area conversions

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›› Definition: Square foot

A square foot is by definition the area enclosed by a square with sides each 1 foot long. One square foot is equal to 0.09290304 square metres for the international, English foot.

›› Definition: Acre

An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 mē (for the UK, see). For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 mē.

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!