Most modern fighters carry 1,500 -2,000 gallons of fuel.
3000 gallons of Jet fuel
Without specifying exactly which aircraft, this is impossible to say because there are such huge variations.
65gals
There are approximately 298 gallons of jet fuel per metric ton. Jet fuel weighs about 6.7 pounds per gallon. The mass of fuel varies depending on the pressure and temperature.
A gallon of jet fuel supplies 126,000 BTU. So...a million BTU is less than 8 gallons.
A barrel usually contains up to 42 gallons of jet fuel. The barrels are priced per barrel or per gallon.
the ammount of fuel a fighter jet uses depends on they type of aircraft EG. how many engines, how big they are ect. for example the SR-71A blackbird uses around 3.6 kilalitres of fuel an hour
57,000 gallons or 216,000 liters of fuel.
187 US gallons is approximately 578 Kg.
normally a barrel of something is 40 gallons, that is the standard for oil, however, 55 gallon and other size barrels exist as well.
There are many, many thousands of parts in a modern fighter jet.
According to IATA(Air Transportation Association) there are 42 gallons in a barrel of jet fuel. (based off of $/b prices and cents/gal prices on IATA's website)