Convert Acre-Feet to Gallons
Convert Acre-Feet (ac ft) to Gallons (gal) instantly and accurately.
Conversion Formula
gal = ac ft × 325851.4286
About Acre-Feet
An acre-foot (ac ft) = the volume covering 1 acre to 1 ft depth ≈ 1,233.5 m³ (325,851 US gal). Almost exclusively used in US water resource management. California's Lake Shasta: 4.55 million ac ft at capacity. A typical US household uses ~0.5-1 ac ft/year. Water rights on the Colorado and Sacramento rivers are traded in acre-feet. 1 ac ft ≈ 1,233.5 m³.
About Gallons
A US gallon (gal) = 4 quarts = 128 fl oz ≈ 3.785 L. Gasoline, milk, water, paint, and pesticides are sold by the gallon in the US. About 20% smaller than the UK imperial gallon (4.546 L) - a critical difference when comparing fuel economy across the Atlantic. 1 US gal = 3.785 L = 4 qt = 128 fl oz.
Quick Reference Table
| Acre-Feet (ac ft) | Gallons (gal) |
|---|---|
| 1 ac ft | 325851 gal |
| 2 ac ft | 651703 gal |
| 5 ac ft | 1629260 gal |
| 10 ac ft | 3258510 gal |
| 25 ac ft | 8146290 gal |
| 50 ac ft | 16292600 gal |
| 100 ac ft | 32585100 gal |