Gallons (US – Liquid) to Cubic millimeters converter

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

1 US gal = 3785411.784 mm³
1 mm³ ≈ 2.64172052358 × 10^-7 US gal

Formula: mm³ = US gal × 3785411.784
US gal ≈ mm³ × 2.64172052358 × 10^-7

Definitions: 1 US gal = 231 in³; 1 mm³ = 1 × 10^-9 m³

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 cubic millimeter (mm³) is the volume of a cube 1 mm on each side and equals one microliter. It is used for very small quantities in engineering, medicine and materials science, for example in blood cell counts reported per mm³.

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