**There are 0.0000229568411 acre in a square foot.** To find out how many acres there are in "X" square feet, multiply the sq. foot value "X" by 0.0000229568411.

**1 Square Foot = 0.0000229568411 Acre**

**Square foot** is an imperial, US customary unit. It is used mostly in real estate, architecture and interior space plans. The abbreviations are "**sq ft**" and "**ft**^{2}".

**Acre** is used in different systems as a unit of area. The international and survey acres are the mostly used ones but the difference between them is very small which is 0.016 sq. meters. Itâ€™s mostly used to measure the land. It is about 40% of hectare. The abbreviation is "**ac**".