Gallons (US – Liquid) to Acre feet converter

To convert gallons (US – Liquid) to acre feet, enter the value in the first field. The result in acre feet is calculated automatically using the exact conversion factor.

1 US gal ≈ 3.06888327722 × 10^-6 acre-ft
1 acre-ft ≈ 325851.428571 US gal

Formula: acre-ft ≈ US gal × 3.06888327722 × 10^-6
US gal ≈ acre-ft × 325851.428571

Definitions: 1 US gal = 231 in³; 1 acre-ft = 43560 ft³

The US liquid gallon is the everyday gallon in the United States, used for fuel, milk, paint and most liquids sold by volume. It derives from the old English wine gallon, which was fixed at 231 cubic inches.

The acre-foot (acre-ft) is the volume of water that covers one acre of land to a depth of one foot. It is the standard unit in United States water management for reservoir storage, irrigation allocations and water rights.

See the conversion table with commonly used values, handy for quick reference or study.