The question cannot be answered without information about the units used in the question. Are they microns, centimetres, inches, feet, metres, miles, light years?
24 cubic feet
2 cubic feet
Around 21-22 cubic feet
4*pi = 12.6 cubic feet.
0.785 Cubic feet
Question is meaningless. Cubic feet are cubic feet!
8 cubic feet.
1,765.73 cubic feet.
0.051 cubic feet.
1,268.995 gallons. (169.646 cubic feet).
15 cubic inches = 0.00868 cubic feet.
244 cubic feet of what?