AAA EQC-152 Practice Test

How many pounds are in 1 gallon of oil?

6 lbs 5 lbs 7.5 lbs 8 lbs

Correct Answer:

7.5 lbs

Explanation:

Weight depends on density. A gallon is a fixed volume, so the weight of oil equals its density times that volume. Typical oil density is about 0.92 kg per liter. Since 1 gallon is 3.785 liters, the mass is roughly 0.92 × 3.785 ≈ 3.49 kg, which is about 7.69 pounds. Rounding gives about 7.5 pounds per US gallon of oil. (Water would weigh about SAMPLE8.34 pounds per gallon, since it’s denser.)

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