US gallon to acre-foot converter (gal to acft)

Conversion Formula

1 gal = 3.07e-6 acft

Step-by-Step Explanation

1. Understand the base relationship:
   1 US Gallon = 0.003785 cubic meters
   1 Acre-Foot = 1,233.5 cubic meters
2. Establish the conversion factor:
   1 gal = (0.003785 m³) / (1,233.5 m³/acft) = 3.07e-6 acft
3. Apply the conversion:
   Multiply the value in gal by 3.07e-6 to get the equivalent in acft

Example Conversion

Convert 5 gal to acft:

5 gal × 3.07e-6 = 1.53e-5 acft