Imperial gallon to acre-foot converter (impgal to acft)

Conversion Formula

1 impgal = 3.69e-6 acft

Step-by-Step Explanation

1. Understand the base relationship:
   1 Imperial Gallon = 0.004546 cubic meters
   1 Acre-Foot = 1,233.5 cubic meters
2. Establish the conversion factor:
   1 impgal = (0.004546 m³) / (1,233.5 m³/acft) = 3.69e-6 acft
3. Apply the conversion:
   Multiply the value in impgal by 3.69e-6 to get the equivalent in acft

Example Conversion

Convert 5 impgal to acft:

5 impgal × 3.69e-6 = 1.84e-5 acft