Square Feet to Acres Converter
Enter an area in square feet to convert it to acres.
Acres1 acre
Square meters4,046.85 m²
Square yards4,840 yd²
How to calculate square feet to acres
One acre is defined as 43,560 square feet, so divide your square footage by 43,560 to get acres. To reverse it, multiply acres by 43,560.
Acres = Square feet ÷ 43,560
Worked example
Converting a 21,780 ft² lot to acres.
- 21,780 ft² ÷ 43,560
- = 0.5 acres
Result: 21,780 square feet = 0.5 acres
Frequently asked questions
How do I convert square feet to acres?
One acre is defined as 43,560 square feet, so divide your square footage by 43,560 to get acres. To reverse it, multiply acres by 43,560.
What is the formula for square feet to acres?
Acres = Square feet ÷ 43,560.
Is the square feet to acres converter free?
Yes. Enter any value above to convert instantly, with no sign-up.