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#1




cubic yards to tons
Hello,
I need to convert cubic yards to tons. If I have 583 cubic yards of soil that is a silty sand (assuming the density of the silty sand is 0.7 g/cm3), how do I calculate how many tons this will be? 
#2




Re: cubic yards to tons
Hi, easiest to convert cubic yards to cubic meters first, as g/cm^3 is the same as kg/m^3.
583cubic yards = 446m^3. The weight of 446 cubic meters of material of density 0.7 is 446 x 0.7 = 312 kg. 0.7 would be a very low density for any type of sand. Water has a density of 1.0 at 25°C, and only some of the very light metals, oils and organic solvents have densities lower than 1.0. The only other materials with low densities are things like natural or synthetic foams and fillers, which are made or formed with LOTS of air in the structure. 
#3




Re: cubic yards to tons
gram/cubic centimeter is actually 1000 kilogram/cubic meter. (its the same as kilogram/liter)
0.7 g/cm³ * 1000 = 700 kg/m³ 446 m³ * 700 kg/m³ = 312,200 kg 312,200 kilogram = 344.14 U.S. ton 
#4




Re: cubic yards to tons
Yes, sorry, complete brain freeze. I meant metric tons, not kilograms. I still think 0.7 is too light a density for normal silt, though.

#5




Re: cubic yards to tons
[QUOTE=Unregistered]Hello,
I need to convert cubic yards to tons. If I have 256 cubic yards of rock that my daughter needs to have delivered for her driveway but we need to know how many tons that will be can you help? 
#6




Re: cubic yards to tons
That depends on the type of rock.
Loose dry gravel weighs about 1.25 U.S. tons/cubic yard. 256 cubic yards * 1.25 tons/cubic yard = 320 tons Other types of rock will differ though. 
#7




Re: cubic yards to tons
7 yards of crusher run is how many tons

#8




Re: cubic yards to tons
Can you provide information on what crusher run is? I will have to try and look up the density.

#9




Re: cubic yards to tons
How much is the loose dirt weighs per cubic yard? I don't know the details about the dirt but lets assume regular dirt. Please let me know.
Thanks. 
#10




Re: cubic yards to tons
dry excavated earth weighs about 78 pounds per cubic foot.
Thats about 2106 pounds per cubic yard. 
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