Question: 1 barrel crude oil how much petrol?
Answer: Originally Answered: How many liters of petrol in one barrel of crude oil? The previous answers are correct stating that there are 42 US Gallons in 1 barrel of crude oil. Assuming Jessica Muir is correct when she wrote that "1 gallon is 4.546 Litres." then there are 42 times 4.546 equals 190.932 liters in one barrel.