Square Foot to Acre Converter
Convert square foot to acre instantly.
Standard area units
square meter 9.29
square kilometer 0
square mile 0
acre 0.0023
hectare 0.0009
Fun comparisons
parking spaces 🅿️~ 0.62
tennis courts 🎾~ 0.04
football fields 🏈~ Less than 0.01
Central Parks 🌳~ Less than 0.01
How to convert square foot to acre
Enter your area in square foot and get the equivalent in acre instantly. The converter includes real-world comparisons - like football fields and tennis courts - to help you visualize the space.
Square feet are used for smaller indoor and property areas in the US; acres are the standard unit for larger land plots like farms and lots.
Need the opposite direction? Convert acre to square foot just as easily, or explore all our area conversions.
Common square foot to acre conversions
| Square Foot (ft²) | Acre (ac) |
|---|---|
| 1 | 0.0000229568 |
| 5 | 0.000114784 |
| 10 | 0.000229568 |
| 25 | 0.000573921 |
| 50 | 0.00114784 |
| 100 | 0.00229568 |
| 500 | 0.0114784 |
| 1000 | 0.0229568 |
Frequently asked questions
1 square foot equals 0.0000229568 acre.
Multiply by 0.0000229568. For example, 5 ft² = 0.000114784 ac.
43,560 square feet equals exactly 1 acre.
1 acre equals 43560 square foot.
100 square foot equals 0.00229568 acre.