| specific gravity |
Measures the density of gasoline compared to water A specific gravity of 0.720 means that the gasoline weighs 0.72 times as much as water, or it is 72% of the weight of water. Most gasolines weigh about 6.2 pounds per gallon.
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| specific gravity |
The ratio of the weight of any volume of a material to the weight of an equal volume of water.
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