You can't tell. There are an infinite number of boxes with different dimensions
that all have the same volume.
Here are a few examples of 75 cubic feet of volume:
1 x 1 x 75
1 x 3 x 25
5 x 5 x 3
1 x 15 x 5
5 x 2 x 7.5
Noah's ark was 450 feet long, 75 feet wide, and 45 feet high. So 450x75x45=1,518,750 cubic feet, all three stories packed full. Quite a lot!
35 cubic feet
It is exactly 0.5 cubic feet big because cubic feet is a measure of volume.
There are: 120*45*12 = 64800 cubic feet
453cm long 180cm wide 95cm high
4200 cubic feet
3,000 cubic feet
None because it is an empty space of 12 cubic feet
9.27 cubic feet
Think of a cubic yard as a box measuring 1 yard long, 1 yard wide and 1 yard deep.A cubic foot is 1 foot long, 1 foot wide and 1 foot deep.You would need 27 cubic feet to equal 1 cubic yard.
You need 3 figures to get cubic feet.
It is approx 49.0 cubic feet.