# acres to square feet

This converter makes instant conversions from acres (ac) to square feet (ft²). It also provides the conversion steps. To use the converter, please provide a value in the input field. The converter will begin making conversions as the values are being typed in.

### How many square feet in an acre?

Both acre and square foot are units of area in the United States (US) customary systems of measurement as well as in the British imperial system. In both systems, an acre is defined to be of a square mile. A mile is defined to have 5280 feet. Therefore, there are 5280 × 5280 = 27,878,400 square feet in a square mile. of which is = 43,560 square feet. Based on this, there are 43,560 square feet in an acre.

### How to convert acres to square feet

Based on the definition of 1 acre being exactly 43,560 square feet, the acre to square foot conversion formula is:

ft² = 43560 × ac

Thus, to convert from acres to square feet, multiply a value in acres by 43560. For example, convert a piece of land with size of 0.3 acres to square feet:

0.3 acre = 0.3 × 43560 ft² = 13068 ft²