How many gallons of gas does a barrel of oil make?
A barrel of oil produces approximately 19.75 gallons of gasoline. A barrel of oil is a unit of measure equal to 42 gallons of gas. The typical US refinery puts out 47% of its crude oil input as finished gasoline. In other words, 1 gallon of U.S.crude results in 0.47 gallons of gasoline. This is a rough conversion and it varies depending on production rates, so it is not precise.
