Gallons to Pounds Converter

Gallons (US)

Liquid Type

Custom Weight (lbs/gal)

Formula

Weight (lbs) = Gallons × density (lbs/gal) | Water: 1 gal = 8.345 lbs | Gasoline: 1 gal = 6.073 lbs

How much does a gallon of water weigh?

A US gallon of water weighs approximately 8.345 pounds (3.785 kg) at room temperature (62°F / 17°C). The weight varies slightly with temperature.

How much does a gallon of gasoline weigh?

A US gallon of gasoline weighs approximately 6.073 pounds (2.755 kg). Gasoline is lighter than water because it has a lower density.

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