Formula
acres = square feet ÷ 43560
Square Feet to Acres table
| Square foot (ft²) | Acre (ac) |
|---|---|
| 1 | 0.0000229568 |
| 2 | 0.0000459137 |
| 3 | 0.0000688705 |
| 4 | 0.0000918274 |
| 5 | 0.000114784 |
| 6 | 0.000137741 |
| 7 | 0.000160698 |
| 8 | 0.000183655 |
| 9 | 0.000206612 |
| 10 | 0.000229568 |
| 15 | 0.000344353 |
| 20 | 0.000459137 |
| 25 | 0.000573921 |
| 30 | 0.000688705 |
| 40 | 0.000918274 |
| 50 | 0.00114784 |
| 75 | 0.00172176 |
| 100 | 0.00229568 |
About the units
- Square foot
- A square foot is the area of a square 1 foot on each side, exactly 0.09290304 square meters. It is used for home and office floor space in the US.
- Acre
- An acre is 43,560 square feet, about 4,046.86 square meters. It is the common unit for land and farm area in the US and UK.