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400 gallon
Exactly 400 million gallons
400 gallons. http://www.treehugger.com/clean-technology/how-many-gallons-of-water-does-it-take-to-make.html
400 billion gallons
400 pounds of plain water is about 48 gallons.
If by inches, 409 gallons. Probably 400.
100 gallons is much bigger. There are 16 cups in a gallon, so 400 cups is 25 gallons.
400 million gallons
400 hahaha
The height of 400 gallons of water would depend on the shape of the container. 400 US gallons has a volume of about 206,000 cubic inches, so if the inside of the container was about 59 inches square, it would also be about 59 inches high.
33 GALLONS AN AVERAGE HOUSEHOLD USES 13,500 GALLONS OF WATER PER YEAR TO DO 400 LOADS.
You would need 2,451 feet of 2-inch pipe for 400 gallons.