**Acres to square feet (ac to ft2)** area units conversion factor is 43560. To find out how many square feet in an acre, multiply 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 an acre and a half.

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

**Square foot** is an imperial and US customary area unit. It is defined as a square with all sides are one foot in length. A square foot equals to 144 sq. inches and 0.092903 sq. meters. To calculate the square footage of an area, find the length and the width of the area in foot and multiply them. To calculate the same area in acres, divide the square feet value by 43 560. The abbreviations are "**sq ft**" and "**ft**^{2}".

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