Convert square feet to acres
Enter a square feet value below and convert to acres
ft²
1 square foot ≈
0.00002296 acres
* rounded result
Select how many decimal places the result will be rounded to:
How to convert square feet to acres
To convert square feet to acres, divide a square feet value by 43560.
Formula ac = ft² / 43560
Example: Convert 10000 square feet to acres Calculations: 10000 ft² / 43560 ≈ 0.2296 ac
Square foot (ft²)
The square foot is the imperial system's unit of area, defined as the area of a square with sides of 1 foot. It is equal to about 0.0929 square meters.
Acre (ac)
The acre is the imperial system's unit of area, defined as the area of a rectangle with sides of 66 and 660 feet. It is equal to about 0.4047 hectares.