100' x 200' x 1/3' = 6666.66... recurring cubic feet.
0.246914 cu. yards (6.666667 cu. ft ) of concrete is needed.
2 inches = 1/6 foot Volume = 3,500/6 = 5831/3 cubic feet = 21.605 cubic yards
If it is the same as concrete it will cover 162 square feet. concrete covers 81 square feet by 4" deep
about 1.7 tons Here is the site I found it on while looking for my own calculations. http://www.earthproducts.net/do_it_yourself/calculators_gravel.html
If it is an exterior shed type storage room you can go as deep and wide as you want. If it is part of a home and attached it should be 12 inches wide and deep enough to get below the frost or freeze depth in your area. If freezing ground is not a problem than 12 inches deep should be fine.
You will need 1500 cubic feet.
2.37 cubic yards of stone for every 3 inches deep it needs to be
An area 10 foot x 10 foot is 100 square feet. 100 cubic feet of sand would cover it with a one foot deep layer of sand. If the sand needs to be 6 inches deep, then 50 cubic feet are be needed, or 25 cubic feet if the sand is to be 3 inches thick.
That's 13 cubic yards of mulch for every 2 inches deep.
54sqare feet
4.4 bags for each 1-foot deep. 2.2 bags for each 6-inches deep. Each 5-ft3 bag will cover the area to 2.72 inches deep.
How deep do you want that ?If you want it 1.6 inches deep, then it can cover 1 square foot.If you want it 10-ft deep, then it can't cover that much area.
For 1 foot deep, 400 cu ft. For 3 inches deep, 100 cu ft.
.15
160 cubic inches / (1/8 inches) = 160*8 = 1280 sq inches
Approximately 6' X 9'.
how to get 1600 mulch which is money in bin weevils