If they are US gallons, then the volume is approx 47500 cubic metres.
50 gallons of water!
456 gallons of water weighs about 3,807.6 pounds.
1.5 US gallons of water is about 12.525 pounds.
millions of gallons of water
344.4 pounds for 41.269 gallons of plain water.
326,000,000,000,000,000,000 gallons of water (three hundred twenty-six quintillion gallons of water)
100 Gallons
608 US gallons of water is about 5,076.8 pounds.
212 gallons of water weighs 1,770.2 pounds.
3,740 US gallons of water weighs about 31,229 pounds.
1.4212 gallons of water weighs about 12 (11.86702) pounds.
55,000 US gallons of water weighs about 459,250 pounds.