That depends on the type material you are referring to. Also, these are two different types of measurements. One is volume the other is weight or mass. Please edit your question to include more context or details.
One pound of water is approximately 0.12 gallons. The conversion of pounds to gallons varies depending on the substance, as different liquids have different densities.
4.65 gallons
The conversion rate from pounds to gallons depends on the specific gravity of the substance. For phosphoric acid, which has a specific gravity higher than water (around 1.88), one pound would be approximately 0.22 gallons.
There are approximately 0.11985 gallons in a pound of sugar.
0.12 gallon.
About 1/8 of a gallon of water weighs 1 pound.
If 1 pint is 1 pound, then 2 gallons is 16 pounds.
One pound of steam condenses back to one pound of liquid water. Since one gallon of water weighs 8.337 pounds, simply divide the weight of the condensate by 8.337 to find out how many gallons of condensate you have.
6 pounds
A 10-pound propane tank can hold approximately 2.4 gallons of propane.
Different types of flour have different densities. However, on average, one pound of flour takes up about 1/4 gallon (about 1 quart).
Approximately 1/8 of a US gallon of water in a pound