About 1.03 cubic feet.
2.25 cubic feet of water weighs about 140 pounds.
One cubic foot of water weighs 62.46 pounds.
2.5 cubic feet of water weighs about: 156 pounds.
That completely depends on what substance is in the cubic feet. If the volume is empty, then it weighs zero pounds. If it's full of water, then it weighs roughly 150 pounds. If it's 2.4 cubic feet of gold, then it weighs about 2,865 pounds.
30,456 cubic feet of water is 227,800 gallons. Since one gallon of water weighs about 8.34 pounds:227,800 gallons x 8.34 pounds = 1,899,852 pounds OR 950 tons of water.
30 cubic feet of water at 8.34 pounds per US gallon equates to ~1,871.63 pounds of water.
One cubic foot of water weighs about 62.4 pounds.
If one liter of water weighs one kilogram then 27 cubic feet will have a weight of 1,685.55 pounds.
11 cubic feet of plain (non-salt) water weighs approximately 686.7 pounds or 311.5 kilograms.
200 cubic feet of water weighs about 12,462.5 pounds or 6.23 tons.
1 UK gallon of water weighs 10 lb 1 cubic foot of water contains 6 1/4 gallons (6.25) and so weighs 62.5 lb so 54 cu feet weigh 54 X 62.5 lb or 3375 lb (or just over 1 and a half tons)
One cubic foot of water (at 32 °F) weighs approximately 62.42 pounds. (http://ga.water.usgs.gov/edu/waterproperties.html). Multiply that number by 12,000, and you get 749,040 pounds. So, at 32 °F, 12,000 cubic feet of water weighs 749,040 pounds.