To convert acre-feet to US cups, multiply the value by 5,213,620. To go the other way, multiply US cups by 1.91805 × 10⁻⁷ to get acre-feet.
| Acre-Feet (ac·ft) | US Cups (cup) |
|---|---|
| 1 ac·ft | 5,213,620 cup |
| 2 ac·ft | 10,427,200 cup |
| 5 ac·ft | 26,068,100 cup |
| 10 ac·ft | 52,136,200 cup |
| 20 ac·ft | 104,272,000 cup |
| 50 ac·ft | 260,681,000 cup |
| 100 ac·ft | 521,362,000 cup |
| 500 ac·ft | 2,606,810,000 cup |
| 1,000 ac·ft | 5,213,620,000 cup |
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 cup (cup). A US customary cup is 8 fluid ounces (236.588 mL).
There are 5,213,620 US cups in one acre-foot.
Multiply the number of acre-feet by 5,213,620. For example, 10 acre-feet equal 52,136,200 US cups.
One US cup equals 1.91805 × 10⁻⁷ acre-feet.