Definition
Unit of
liquid volume. (1) UK (Imperial) gallon
equals 277.42 cubic inches, 0.16
cubic feet, 4.55
liters, or 1.2 US gallons. One UK gallon of water weighs 10 pounds. (1) US gallon equals 231 cubic inches, 0.13 cubic feet, 3.78 liters, or 0.83 UK gallon. One US gallon of water weighs 8.33 pounds.
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