That depends on the type material you are referring to. Also, these are two different types of measurements. Gallons is a measure of volume but the other is weight or mass. Please edit your question to include more context or details.
1 gallon of gasoline equals 5.8 to 6.5 lbs.
1 gallon = 4 quarts 1 quart = 0.25 gallon
1 gallon of fresh water is about 8.36 pounds
Gallons can be converted into many units but most common is gram.The conversion relations between gallon and g are given .By the conversion as follows: 1 gallon = 3785.4118 g. Hence, 4 gallons =15141.6472gm.
depends on the liquid. One gallon of gasoline would be very different from one gallon of mercury
1 gallon of gasoline equals 5.8 to 6.5 lbs.
About 8.53 pounds.
Avgas weighs about 6 pounds per gallon.
1 Gallon of oil weighs 7.344 pounds. Used oil may weigh slightly more.
1 gallon of water weighs 8.3333 pounds. However, the weight depends upon the specific gravity of the liquid you are measuring.
7.15 pounds
1 gallon
1 gallon weighs 8.345404 pounds 648000 gallons weighs 5407821.792 pounds or 2452946.8654055808 Kilos.
1 gallon = 4 quarts 1 quart = 0.25 gallon
1 gallon of fresh water is about 8.36 pounds
1 Us Gallon is = 7.149 pounds
The correct question would be how many pounds are in a gallon, also what is the substance you are trying to measure? Different substances have different densities therefor have different weights.