Square Foot to Acre Conversion (ft² to ac²)

How Many Acre in a Square Foot?

There are 2.29567E-5 acre in a square foot.
1 Square Foot is equal to 2.29567E-5 Acre.
1 ft² = 2.29567E-5 ac²

Square Foot to Acre Conversions

Square Foot Definition

A square foot (pl. square feet) is one of the most commonly used non-metric and non-SI unit of area. In the countries traditionally tied with the Imperial system, a square foot can be used for measuring square footage of relatively small kinds of areas, including the one of rooms, middle size objects, etc. A square foot is equal to 144 square inches, or 0.0929 square meters. Instead of a common short symbol, this unit is usually marked as sq ft or ft².

Acre Definition

Used widely in the US customary system and the Imperial system, an acre is a unit of area equal to 1/640 of a square mile, or 0.4047 of a hectare, or 43,560 square feet. To imagine what an acre is, one can imagine the area which is equal to approximately 3/4 of the common football field. This unit of area has the international symbol of ac.

About ft² to ac² Converter

This is a very easy to use square foot to acre converter. First of all just type the square foot (ft²) value in the text field of the conversion form to start converting ft² to ac², then select the decimals value and finally hit convert button if auto calculation didn't work. Acre value will be converted automatically as you type.

The decimals value is the number of digits to be calculated or rounded of the result of square foot to acre conversion.

You can also check the square foot to acre conversion chart below, or go back to square foot to acre converter to top.