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Category: Refining
Question: How does the petroleum industry define a "barrel"?
Keywords: barrel,definition
Answer: The "barrel" is a volumetric unit commonly used in the petroleum industry and one barrel is equivalent to 42 U.S. gallons ... or 34.97 Imperial gallons ... or 158.99 liters ... or 5.615 Cubic feet. Please note from this that an Imperial gallon is 1.20 times as large as a U.S. gallon.