To convert square feet to US survey acres, multiply the value by 2.29567 × 10⁻⁵. To go the other way, multiply US survey acres by 43,560.2 to get square feet.
| Square Feet (ft²) | US Survey Acres (ac (US)) |
|---|---|
| 1 ft² | 2.29567 × 10⁻⁵ ac (US) |
| 2 ft² | 4.59135 × 10⁻⁵ ac (US) |
| 5 ft² | 0.000114784 ac (US) |
| 10 ft² | 0.000229567 ac (US) |
| 20 ft² | 0.000459135 ac (US) |
| 50 ft² | 0.00114784 ac (US) |
| 100 ft² | 0.00229567 ac (US) |
| 500 ft² | 0.0114784 ac (US) |
| 1,000 ft² | 0.0229567 ac (US) |
25 ft² × 2.29567 × 10⁻⁵ = 0.000573919 ac (US)
Try this example →250 ft² × 2.29567 × 10⁻⁵ = 0.00573919 ac (US)
Try this example →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.
US survey acre (ac (US)). The US survey acre is 43,560 square US survey feet (4,046.8726 m²), used in US land records.
There are 2.29567 × 10⁻⁵ US survey acres in one square foot.
Multiply the number of square feet by 2.29567 × 10⁻⁵. For example, 10 square feet equal 0.000229567 US survey acres.
One US survey acre equals 43,560.2 square feet.