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a pint of water weighs a pound. There are two pints in a quart and four quarts in a gallon. You figure it out. One gallon of water weighs about 8.34 pounds.
A gallon of fresh water weighs 8.34 pounds. If you want to verify this you can simply fill up a gallon jug and place it on your bathroom scale. There is an old cooking phrase which addresses the...