That would change according to how much pressure it was under.
Chat with our AI personalities
A circular tank is 12 meter in diameter and 7.5 meter in height. how much water does it hold when half full?
7 gallons
"Square cubic foot" or feet doesn't make sense. Either you have square feet, or cubic feet.
Well assuming the depth of concrete is going to be 1 meter you will need 846 cubic meters of concrete.
It takes up a cubic kilometer of space.