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square foot square foot [survey] |
to |
acre acre [commercial] acre [Ireland] acre [survey] |

How many square feet in 1 acre?
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
acre

The SI derived unit for **area** is the square meter.

1 square meter is equal to 10.76391041671 square feet, or 0.00024710538146717 acre.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between square feet and acres.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from acre to square feet, or enter any two units below:

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.

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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