The fuel capacity of a Boeing 747 varies by model:

• The original 747-100 can carry about 48,400 gallons (183,214 liters) of fuel.
• The 747-200 and 300 models increased that to approximately 52,410 gallons (199,158 liters).
• The popular 747-400 model holds around 57,285 gallons (216,840 liters).
• The latest 747-8 models come with the highest capacities: the 747-8i Intercontinental can carry about 63,034 gallons (238,610 liters), and the 747-8f freighter about 59,734 gallons (226,095 liters).

Fuel is primarily stored in multiple fuel tanks located mainly in the wings of the aircraft to maintain balance and optimize space.