That completely depends on what substance fills the cubic feet.
If it's air, then there are very few kilograms of mass in that space.
If it's water, then there are about 453 kilograms of mass in that space.
It's it's stones or gold, then there are a lot more kilograms of mass in it.
If the cubic feet are empty, then there are no kilograms in them at all.
40 feet x 7 feet x 7 feet = 1960 cubic feet.
7.5 cubic feet = 0.27 cubic yards.
There are 189 cubic feet in 7 yards of dirt. This can be calculated by multiplying the number of cubic yards by 27, since there are 27 cubic feet in a cubic yard.
1,000.6 cubic feet of volume.
7 cubic meters is 247.2 cubic feet.
There are: 20*4*7 = 560 cubic feet
To convert cubic feet to kilograms for dryer capacity, you will need to know the density of the material you are drying (as this will determine the weight). Typically, for common materials like clothes, a rule of thumb is to consider about 1.2 kg of weight per cubic foot of capacity. So for example, if your American dryer has a capacity of 7 cubic feet, you can estimate the European equivalent by multiplying: 7 cubic feet x 1.2 kg = 8.4 kg.
4' x 4' x 7' = 112 cubic feet
5.55
7 feet by 14 feet = 98 square feet 98 square feet by 4 feet = 392 cubic feet There are 9 square feet in a square yard, and there are 29 cubic feet in a cubic yard.... so 392 cubic feet = 14.519 cubic yards
One thousand seventy-six cubic feet
It is: 10*7*3 = 210 cubic feet