Gallons (US – Liquid) to Cubic decimeters converter

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

1 US gal = 3.785411784 dm³
1 dm³ ≈ 0.264172052358 US gal

Formula: dm³ = US gal × 3.785411784
US gal ≈ dm³ × 0.264172052358

Definitions: 1 US gal = 231 in³; 1 dm³ = 0.001 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 decimeter (dm³) is the volume of a cube 10 cm on each side and equals exactly one liter. It is the SI-style way of writing liters and is common in technical and engineering contexts, particularly for tank and container volumes.

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