How to convert square feet to acres
Multiply the number of square feet by 0.0000229568:
acres = square feet × 0.0000229568
Going the other way, 1 acre = 43,560 square feet, so divide acres by 0.0000229568 (or multiply by 43,560) to get square feet.
Example: 25 square feet × 0.0000229568 = 0.000573921 acres.
Square feet to acres conversion table
| Square feet (ft²) | Acres (ac) |
|---|---|
| 1 | 0.0000229568 |
| 2 | 0.0000459137 |
| 3 | 0.0000688705 |
| 5 | 0.000114784 |
| 10 | 0.000229568 |
| 20 | 0.000459137 |
| 25 | 0.000573921 |
| 50 | 0.00114784 |
| 100 | 0.00229568 |
| 500 | 0.0114784 |
| 1,000 | 0.0229568 |
About these units
Square foot (ft²) and acre (ac) are both units of area. An acre is 43,560 square feet — roughly a football field without the end zones; a hectare is 10,000 square meters, about 2.47 acres.
Related conversions
square feet to square meters · square meters to square feet · acres to square feet · hectares to acres · acres to hectares · all units