It depends how thin the cubic feet are. If they are 1 foot thick: 21,000 cubic feet. If they are 3 feet thick: 63,000 cubic feet will cover 21,000 square feet.
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To find the volume in cubic feet needed to cover 21,000 square feet, you would also need the height of the coverage area. The volume (cubic feet) is calculated by multiplying the area (square feet) by the height (feet). Without the height, it's not possible to determine the amount of cubic feet needed to cover 21,000 square feet.
This is not a correct conversion. Cubic feet is a measure of volume while square feet is a measure of area.
To determine the number of bags needed to cover 250 square feet at 2 cubic feet per bag, you would first calculate the total volume required: 250 sq ft * 2 ft = 500 cubic feet. Then, divide the total volume required by the volume per bag: 500 cubic feet / 2 cubic feet per bag = 250 bags needed.
To find the number of square feet covered by 373 cubic feet at a depth of 1 inch, you would first convert cubic feet to square feet. Since the depth is 1 inch, and there are 12 inches in a foot, 1 cubic foot would cover 12 square feet at a depth of 1 inch. Therefore, 373 cubic feet would cover 373 x 12 = 4476 square feet at a depth of 1 inch.
To determine the volume in cubic feet needed to cover an area in square feet, you need to know the height or depth of the coverage. For example, if you are covering an area of 400 square feet with a depth of 1 foot, you would need 400 cubic feet of material.
Cubic feet is a measure of volume while square feet is a measure of area. They do not directly convert.
Since a cubic foot is a measurement of volume (three-dimensional space) and a square foot is a measurement of area (two-dimensional space), there is no direct conversion between the two. A cubic foot is equivalent to 1,728 cubic inches or 0.037037 cubic yards.