Without knowing a cubic foot of WHAT- there is no way to answer your question.
4 x 8 x 6 inch = 4 x 8 x .5 = 16 cu ft soil weighs 100 lbs/cu ft = 1600 pounds 1600/40 = 40 bags
48 foot trailer: 3000 cu. ft. or 30,000 lbs 53 foot trailer: 3400 cu. ft. or 34,000 lbs.
2.09 cu yds
At an average of about 30 lbs per cubic foot, that is about 20/30 = 2/3 cubic feet. A little less if wet, about 1 cu ft if really dry
The answer is specific to the product in the cu ft. A cu ft of water will be different than that of a cu ft of feathers ETC.
Without knowing a cubic foot of WHAT- there is no way to answer your question.
4 x 8 x 6 inch = 4 x 8 x .5 = 16 cu ft soil weighs 100 lbs/cu ft = 1600 pounds 1600/40 = 40 bags
35 to 40 lbs per cu ft
search engine says that: 1 ft^3 = 62.42797 lbs; so, 4.3 cubic ft = 268.440271 lbs; forgive me.
48 foot trailer: 3000 cu. ft. or 30,000 lbs 53 foot trailer: 3400 cu. ft. or 34,000 lbs.
The density of steel is typically around 490 pounds per cubic foot in English units.
Cubic feet (cu ft) is a measure of volume, representing the amount of space an object fills. Pounds (lbs) is a measure of weight, representing the force of gravity acting on an object. So, cubic feet measures volume, while pounds measure weight.
The unit weight of sand/soil is 105 lbs/cu ft1-gallon (dry) is equivalent to 0.156 cu ftSo a 55-gallon drum has a capacity of 55*0.156 = 8.58 cu ftSoil unit weight * drum capacity cu ft = 105*8.58 = 900.9 lbs
The answer will depend on the depth of the soil cover.
72 cu yd needed
2.09 cu yds