Performance and weight and balanceQuestion 672 of 934

How much do 20 gallons of aviation gasoline weigh?

  1. 60 pounds
  2. 100 pounds
  3. 120 pounds
  4. 160 pounds
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Correct answer: 120 pounds

Gasoline weighs 6 pounds per gallon, so 20 gallons weigh 120 pounds.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 10: Weight and Balance — Effects of Weight, page 246

Practice performance and weight and balance

Questions last reviewed: 18 October 2026