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-   -   how much mulch and topsoil (http://www.diychatroom.com/f16/how-much-mulch-topsoil-8079/)

econdave 04-29-2007 10:45 AM

how much mulch and topsoil
 
50 feet long, 12 feet wide and 4 inches deep, what is the yardage I will need delivered? for both items? thanks.

Darylh 04-29-2007 11:02 AM

7.4 Yds
Length x width x depth / 12 / 27 =

econdave 04-30-2007 04:00 PM

how much
 
I am real bad at math, what is the 12/27 for, I multiply 50x12x4=2400 can you be more specific? thanks

J187 04-30-2007 05:08 PM

First part is used to figure out cubic feet -

LxWxD. In your case, 50x12x4". The first two are in feet, the latter in inches - this is what the 12 is for.

After you get
lxwxd 50x12x4 = 2400, you have to account for the fact that one of the measurements was given in INches. SO you divide by 12 inches. This gives you 200 cubic feet. Now to find cubic Yards, the measure you need for mulch, you divide by 27, the number of cu feet in a cu yard. You get 7.4.

say BOTH the Width and Depth of your LxWxD measurements were given in inches. YOu would have 50' x 144" x 4". Then you would have 28,800. To accomodate for TWO measurements given in inches, you would divide by 12" (in one foot) for EACH of the measurements, so you would have 28,800 / 144 or (12x12). YOud still get 200 cu feet, then divide by 27 and get 7.4 cu yards.


OR the alternative method...

Go to google and type in "mulch calculator", follow links, enter LXWXD and it will do the rest.

Darylh 05-01-2007 08:49 AM

Couldn't of said it better myself...

J187 05-01-2007 09:15 AM

Quote:

Originally Posted by Darylh (Post 42725)
7.4 Yds
Length x width x depth / 12 / 27 =


YOu already did say it "better"! I said it longer :laughing:

econdave 05-02-2007 07:08 AM

Thanks for the explanation, this site is great.


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