US gallon to cubic millimeter converter (gal to mm3)

Conversion Formula

1 gal = 3,785,410 mm3

Step-by-Step Explanation

1. Understand the base relationship:
   1 US Gallon = 0.003785 cubic meters
   1 Cubic Millimeter = 1.00e-9 cubic meters
2. Establish the conversion factor:
   1 gal = (0.003785 m³) / (1.00e-9 m³/mm3) = 3,785,410 mm3
3. Apply the conversion:
   Multiply the value in gal by 3,785,410 to get the equivalent in mm3

Example Conversion

Convert 5 gal to mm3:

5 gal × 3,785,410 = 18,927,050 mm3