Convert acres to square feet
Enter a acres value below and convert to square feet
ac
1 acre =
43560 square feet
* exact result
Select how many decimal places the result will be rounded to:
How to convert acres to square feet
To convert acres to square feet, multiply a acres value by 43560.
Formula ft² = ac × 43560
Example: Convert 5 acres to square feet Calculations: 5 ac × 43560 = 217800 ft²
Acre (ac)
The acre is the imperial and US customary systems unit of area, defined as the area of a rectangle with sides of 66 and 660 feet. It is approximately equal to 0.4047 hectares.
Square foot (ft²)
The square foot is the imperial and US customary systems unit of area, defined as the area of a square with sides of 1 foot. It is approximately equal to 0.0929 square meters.