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Volume = 120/12= 10 cubic feet for each 1 inch of depth= 2 bags for each 1 inch of depth.
(3 x 2 x depth of the hole in feet) cubic feet
110
The volume you are trying to fill is 120000 cubic feet(100 x 100 x 12)1 cubic foot = 6.22883288 Imperial gallonsSo your pond of 120000 cubic feet would take about 747456 gallons to fill.or1 cubic foot = 28.3168466 litresSo your pond of 120000 cubic feet would take about 3397920 litres to fill.
1 foot by 36 sq feet = 36 cubic feet of dirt is needed
40
You have a hole here that is 18.3 cubic yards, not .183. Unless your measurements are incorrect. If the measurements are correct, you will need about 800 bags of 80 lb quickrete. Not very efficient. Why not order ready-mix and save the labor of mixing and transporting to the hole. It will cost you around $2000 for the ready-mix. At $4 to $5 a bag it will cost you more for the quickrete. I really don't think your measurements are correct though: creating a slab 1.5 feet thick is unusual. Perhaps one of those dimensions should be inches (") not feet (').Find the correct number of cubic feet (if not 495 as shown here), and divide by 0.6 -- each 80 pound bag will provide about 6/10ths of a cubic foot of concrete.
ABOUT 43 bags. Dry sand weighs ABOUT 100 lbs per cubic foot- and you need 21.3 cubic feet.
I have to guess at a lot, because you did not give enough information. Is this 11 feet x 11 feet x 1 foot? That is what I will assume. Sand has a density of about 2.7. So: 11 x 11 x 1 x 62.4 x 2.7 /50 = 407.7216 bags so about 408 bags
Volume = 120/12= 10 cubic feet for each 1 inch of depth= 2 bags for each 1 inch of depth.
(3 x 2 x depth of the hole in feet) cubic feet
1 cubic yard = 27 cubic feet = 54 half-cubic-foot bags
16/0.75 = 21.33...
110
Depends on how thick the slab is, but 4" thick (.33 or 1/3 of a foot thick) would be typical. So multiply 10 x 10 = 100 square feet of area times .33(thickness in feet) equals 33 cubic feet. A 90 lb. bag contains about .66(two thirds) of a cubic foot of concrete, so you would need about 1 1/2 bags per cubic foot or 50 bags for 10'x10'x4"
It depends on how high you would like to fill it. You see, a liter is a 3-dimensional measure of volume (like a cubic foot is), and a square foot is a 2-dimensional measure of area. So, for example, to fill an area of 10,500 square feet to a height of 1 foot, you would need 297,326.889 liters.
The volume you are trying to fill is 120000 cubic feet(100 x 100 x 12)1 cubic foot = 6.22883288 Imperial gallonsSo your pond of 120000 cubic feet would take about 747456 gallons to fill.or1 cubic foot = 28.3168466 litresSo your pond of 120000 cubic feet would take about 3397920 litres to fill.