To convert acre-feet to US gallons, multiply the value by 325,851. To go the other way, multiply US gallons by 3.06888 × 10⁻⁶ to get acre-feet.
| Acre-Feet (ac·ft) | US Gallons (gal) |
|---|---|
| 1 ac·ft | 325,851 gal |
| 2 ac·ft | 651,703 gal |
| 5 ac·ft | 1,629,260 gal |
| 10 ac·ft | 3,258,510 gal |
| 20 ac·ft | 6,517,030 gal |
| 50 ac·ft | 16,292,600 gal |
| 100 ac·ft | 32,585,100 gal |
| 500 ac·ft | 162,926,000 gal |
| 1,000 ac·ft | 325,851,000 gal |
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.
US gallon (gal). The US liquid gallon is 231 cubic inches, exactly 3.785411784 liters.
There are 325,851 US gallons in one acre-foot.
Multiply the number of acre-feet by 325,851. For example, 10 acre-feet equal 3,258,510 US gallons.
One US gallon equals 3.06888 × 10⁻⁶ acre-feet.