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04082009, 08:34 AM  #1 
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how much stone
I need to fill a area with crushed stone, it is 20'x30'x 4" how many yards of stone do I need?
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04082009, 08:54 AM  #2 
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how much stone
By my calcs you need 7.4 yards. I believe it is about 1 ton per yard.
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04082009, 08:58 AM  #3 
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how much stone 
04082009, 02:38 PM  #4 
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how much stone
what is the formula for calculating that?? thanks for the response

04082009, 06:20 PM  #5 
Concrete & Masonry
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how much stone
3' x 3' x 3' = 27 cubic ft., or 1 yard. If your putting the stone in at 4" thick (1/3 of 1 foot), multiply 27 X 3 = 81. Thus, 81 sq. feet covered per yard at 4".
A few more : 5" = 65 6" = 54 7" = 47 8" = 40 
04082009, 07:23 PM  #6  
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how much stoneQuote:
20 x 30 x 4/12= 200 (4/12 to convert to feet) now divide by 27 to get yards 200/27 = 7.4 Or you could do it all in one 20/3 x 30/3 x 4/36 = 7.4 (36 inches in yard, 3 feet in yard) 

04082009, 07:50 PM  #7 
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how much stone
o.k so how many tons and how do you do that?

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