How much does a gallon of oil weigh

How Much Does a Gallon of Water Weigh? A gallon of water weighs approximately 8.34 pounds (3.78 kilograms). The actual weight of a gallon of water, however, will differ based on temperature, surface gravity, height, and pressure because gallons are a measure of volume rather than weight.

How Much Does a Gallon of Water Weigh?

A US gallon of water weighs around 8.34 pounds or 3.78 kilograms at standard temperature and pressure (62°F or 17°C) and is the most commonly used unit.

However, the weight of the water might vary slightly based on several factors, including the type of gallon, temperature, pressure, and contaminants.

Factors Affecting Weight of Water

Temperature

Temperature has a considerable effect on the weight of water.

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A gallon of water weighs approximately 8.34 pounds at 39.2 degrees Fahrenheit (4 degrees Celsius). The weight of a gallon of water varies with temperature because it affects how water molecules are packed together within a certain volume.

For example, when water is cooler, molecules are packed closer together,

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