Approximately 82 gallons of water in a man weighing two hundred pounds.
400 pounds of plain water is about 48 gallons.
834.5 pounds.
100 US gallons of water is about 835 pounds.
800 pounds of water would be 95.8 US gallons.
50 gallons of plain water weighs about 417 pounds.
To convert gallons of water to pounds, you can use the conversion factor of 1 gallon of water = 8.34 pounds. So, if you have 10 gallons of water, it would weigh 83.4 pounds (10 gallons x 8.34 pounds/gallon).
20 gallons of water weighs 167 pounds.
15,820 gallons of water weighs 132,097 pounds.
About 25 pounds for three US gallons of water.
7.5 US gallons of water is about 62.625 pounds.
The weight of 187 gallons of water is about 1,560.5 pounds.
I need a bit more information. Gallons of what? Imperial or US gallons? For reference an imperial gallon of water weighs ten pounds. The US gallon (based on the British wine gallon) weighs 8.33 pounds.