Imperial gallon to cubic kilometer converter (impgal to km3)

Conversion Formula

1 impgal = 4.55e-12 km3

Step-by-Step Explanation

1. Understand the base relationship:
   1 Imperial Gallon = 0.004546 cubic meters
   1 Cubic Kilometer = 1,000,000,000 cubic meters
2. Establish the conversion factor:
   1 impgal = (0.004546 m³) / (1,000,000,000 m³/km3) = 4.55e-12 km3
3. Apply the conversion:
   Multiply the value in impgal by 4.55e-12 to get the equivalent in km3

Example Conversion

Convert 5 impgal to km3:

5 impgal × 4.55e-12 = 2.27e-11 km3