To convert square feet to acres, multiply the value by 2.29568 × 10⁻⁵. To go the other way, multiply acres by 43,560 to get square feet.
| Square Feet (ft²) | Acres (ac) |
|---|---|
| 1 ft² | 2.29568 × 10⁻⁵ ac |
| 2 ft² | 4.59137 × 10⁻⁵ ac |
| 5 ft² | 0.000114784 ac |
| 10 ft² | 0.000229568 ac |
| 20 ft² | 0.000459137 ac |
| 50 ft² | 0.00114784 ac |
| 100 ft² | 0.00229568 ac |
| 500 ft² | 0.0114784 ac |
| 1,000 ft² | 0.0229568 ac |
Square foot (ft²). A square foot is 0.09290304 m², the standard unit for building and floor areas in the US, UK, India and many other countries.
Acre (ac). An acre is 43,560 square feet (4,046.8564 m²), used for land in the US, UK, India, Canada and Australia.
There are 2.29568 × 10⁻⁵ acres in one square foot.
Multiply the number of square feet by 2.29568 × 10⁻⁵. For example, 10 square feet equal 0.000229568 acres.
One acre equals 43,560 square feet.