Barrel of Oil Conversions

1 Barrel of Oil =
42 Gallons
(exact result)
In the United States, a barrel of oil is 42 U.S. gallons, or about 159 liters.
A U.S. gallon is a unit of volume equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.