About 19.6 gallons of gasoline from each barrel of crude oil.
According to API:
'Better refining technologies have made it possible to produce over 21 gallons of gasoline from a 42-gallon barrel of crude oil '
also look at the National Petroleum Refiners Association
I wish i had my old thinkpad up and running, i know I have a really good graph of all the products that are taken from a '55' gal barrel of oil.. with additaves, it adds up to quite a bit more than the 'barrel' itself..
There are 0.2641729 U.S. Gallons in one liter.
The question, as asked, is "How many gallons are there in 1 quart?" Since there are 4 quarts in one gallon, there are 1/4 or 0.25 gallons in one quart.
7.481 liquid gallons OR 6.429 dry gallons (US)
There are 1 trillion (1,000,000,000,000) gallons in a quintillion.
One million gallons is equivalent to approximately 3,785,412 liters.