square feet to acres
Convert square feet to acres (or acres to square feet) instantly. Type a value in either field and the other updates live; use the swap button to flip the direction.
How It Works
One acre is exactly 43,560 square feet, so to convert square feet to acres you divide the number of square feet by 43,560. To go the other way, multiply acres by 43,560.
Frequently Asked Questions
How do I convert square feet to acres?
Divide the number of square feet by 43,560. For example, a 10,000 square foot lot is about 0.23 acres because 10,000 ÷ 43,560 ≈ 0.23.
What size lot is a quarter acre?
A quarter acre is 10,890 square feet (43,560 ÷ 4). This is a common residential lot size in many suburban developments.
How many acres is a football field?
A standard American football field (including end zones) is about 57,600 square feet, which is approximately 1.32 acres.