a gallon or so
1 cubic foot is 6.2 (6.22883) Imperial gallons.
"Square cubic foot" or feet doesn't make sense. Either you have square feet, or cubic feet.
One cubic foot of water weighs about 62.4 pounds.
7.48 gals water
A cubic foot of water weighs 62.4 pounds (7.48 gallons * 8.33 pounds).
One cubic foot is a measure of volume. A one cubic meter container could hold up about 264 gallons of water.
19.57777777 kg's
1 cubic foot of air will support 62 lbs
12 cubic feet
1 milliliter is the answer you want though you asked the question in a confusing way, if you have a cubic foot of water a cubic inch of that water is 1 milliliter, assuming that's what you were asking
2 cubic feet