To convert cubic feet to acre-feet, multiply the value by 2.29568 × 10⁻⁵. To go the other way, multiply acre-feet by 43,560 to get cubic feet.
| Cubic Feet (ft³) | Acre-Feet (ac·ft) |
|---|---|
| 1 ft³ | 2.29568 × 10⁻⁵ ac·ft |
| 2 ft³ | 4.59137 × 10⁻⁵ ac·ft |
| 5 ft³ | 0.000114784 ac·ft |
| 10 ft³ | 0.000229568 ac·ft |
| 20 ft³ | 0.000459137 ac·ft |
| 50 ft³ | 0.00114784 ac·ft |
| 100 ft³ | 0.00229568 ac·ft |
| 500 ft³ | 0.0114784 ac·ft |
| 1,000 ft³ | 0.0229568 ac·ft |
Cubic foot (ft³). A cubic foot is 28.317 liters (7.48 US gallons).
Acre-foot (ac·ft). An acre-foot is the volume of water covering an acre to a depth of one foot (1,233.5 m³), the US water-resources unit.
There are 2.29568 × 10⁻⁵ acre-feet in one cubic foot.
Multiply the number of cubic feet by 2.29568 × 10⁻⁵. For example, 10 cubic feet equal 0.000229568 acre-feet.
One acre-foot equals 43,560 cubic feet.