**Acres to square feet (ft2)** area units conversion factor is 43560. To find out how many square feet in acres, multiply the acre value by the conversion factor or use the converter.

**1 Acre = 43 560 Square Feet**

**There are 43560 square feet in an acre**, because an acre is defined as an area of 1 chain by 1 furlong (66 feet * 660 feet), that makes 66 ft * 660 ft = 43560 sq. feet in an acre.

For example, to find out how many sq. feet there are in an acre and a half of a land, multiply the acre value by the conversion factor, that makes 1.5 * 43560 = 65340 square feet in 1.5 acres.

**Acre** is an imperial and US customary area unit and equals to 43560 sq. feet, 4840 sq. yards and 4046.86 sq. meters. The abbreviation is "**ac**".

An acre is about 40% of a hectare (1 acre is 0.404686 hectare). To compare how big an acre is, it is about 1.35 NFL football field, 2.5 soccer field (393 ft * 295 ft maximum size as regulation) or roughly 16 tennis courts (78 ft * 36 ft).

**Square foot** is an imperial and US customary area unit and defined as a square with all sides are one foot in length. 1 square foot equals to 144 sq. inches and 0.093 sq. meters. The abbreviation is "**ft**^{2}".