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.
800 pounds of water would be 95.8 US gallons.
20 gallons of water weighs 167 pounds.
2 gallons
58.38 pounds per 7 gallons of plain water.
If you're referring to plain water then 170 pounds would be 20.4 gallons.
345 liters = 91.14 US gallons.
345 liters = 91.14 US gallons.
345 pounds = 24.6 stone
345 pounds is equal to 156.49 kg
345 cubic yards equal: 69,680 gallons of water.
345 pounds is equal to 156.5kg
42 gallons of water is 350.7 pounds
10 US gallons is approximately 83.5 pounds
30 pounds of water is 3.593 gallons.
About 250.5 pounds for 30 US gallons.
10 gallons of water is 83.5 pounds
800 pounds of water would be 95.8 US gallons.