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There is no equivalence.
A pound is a measure of mass. A gallon is a measure of volume. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
If you are not convinced, consider a gallon of air. How many pounds? Next consider a gallon of Mercury. How many pounds?
The masses of equal volumes of the two substances will clearly be very different. So there is no direct conversion between mass and volume: you need to know the density of the substance to enable you to carry out the conversion.
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How many pounds does 40 gallons of water weigh?
About 334 pounds for 40 US gallons.
How many pounds are in 22 kilograms of barley?
22 kilograms is 48.5 pounds.
How many miles can 22 gallons of gas take you with 15mpg?
22 gallons x 15 miles/gallon = 330 miles
Convert 20000 gallons of LNG into pounds?
convert 20,000 gallons to pounds
How many gallons does 3000 pounds equals?
That would be about 375 gallons. Pounds is a unit of mass/weight. Gallons is a liquid measure. They do not convert cleanly. The density of the liquid being measured can make a big difference. If the liquid is water, there is 8 pounds to a gallon.
