How to convert square feet to acres
Formula: ac = ft² ÷ 43,560
Worked example: 1,500 ft² → 1,500 ÷ 43,560 = 0.0344353 ac
An acre is exactly 43,560 square feet. A typical quarter-acre suburban lot covers 10,890 sq ft, roughly a square of 104 feet on each side.
Square feet to acres conversion chart
| Square feet (ft²) | Acres (ac) |
|---|---|
| 10 ft² | 0.000229568 ac |
| 25 ft² | 0.000573921 ac |
| 50 ft² | 0.00114784 ac |
| 100 ft² | 0.00229568 ac |
| 150 ft² | 0.00344353 ac |
| 200 ft² | 0.00459137 ac |
| 250 ft² | 0.00573921 ac |
| 300 ft² | 0.00688705 ac |
| 400 ft² | 0.00918274 ac |
| 500 ft² | 0.0114784 ac |
| 750 ft² | 0.0172176 ac |
| 1,000 ft² | 0.0229568 ac |
| 1,200 ft² | 0.0275482 ac |
| 1,500 ft² | 0.0344353 ac |
| 1,800 ft² | 0.0413223 ac |
| 2,000 ft² | 0.0459137 ac |
| 2,500 ft² | 0.0573921 ac |
| 3,000 ft² | 0.0688705 ac |
| 4,000 ft² | 0.0918274 ac |
| 5,000 ft² | 0.114784 ac |
| 10,000 ft² | 0.229568 ac |
What is a square foot?
The square foot is the area of a square one foot on each side, exactly 0.09290304 m². It is the US unit for home sizes, rents, flooring, drywall and paint coverage. Listings often abbreviate it as sq ft or SF.
What is an acre?
The acre equals 43,560 square feet, about 4,047 m² or 0.405 hectare. It is the US and UK unit for land, lots and farms. An American football field, end zones included, covers about 1.32 acres.