Cubic decimeters to Gallons (US – Liquid) converter

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

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

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

Definitions: 1 dm³ = 0.001 m³; 1 US gal = 231 in³

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.

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.

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