The weight of a gallon of oil is greatly determined by the type of oil. The actual weight depends on the temperature at which the oil is kept. The most popular oils weigh between 7 and 8 pounds per gallon, while stored crude oil weighs roughly 7.2 pounds.
7 pounds per gallon of recycled motor oil, 7.2 pounds per gallon of crude oil, and 7.6 pounds per gallon of olive oil Glycerin, for example, can weigh up to 10.5 pounds per gallon.
The viscosity and density of liquids are affected by temperature, which causes oil weights to change. As the temperature rises, most oils become more viscous and less dense.
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