30,456 cubic feet of water is 227,800 gallons. Since one gallon of water weighs about 8.34 pounds:
About 1.03 cubic feet.
2.25 cubic feet of water weighs about 140 pounds.
2.5 cubic feet of water weighs about: 156 pounds.
One cubic foot of water weighs 62.46 pounds.
One cubic foot of water weighs about 62.4 pounds.
At room temp 1 cubic Meter of water weighs 1 Metric tonne
11 cubic feet of plain (non-salt) water weighs approximately 686.7 pounds or 311.5 kilograms.
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.
If one liter of water weighs one kilogram then 27 cubic feet will have a weight of 1,685.55 pounds.
54 cubic feet of water weighs approximately 1,620 pounds, as water weighs about 62.4 pounds per cubic foot.
30 cubic feet of water at 8.34 pounds per US gallon equates to ~1,871.63 pounds of water.
200 cubic feet of water weighs about 12,462.5 pounds or 6.23 tons.