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#1
01-18-2012, 11:08 AM
 Unregistered Guest Posts: n/a
Cubic Yards into Square feet

I need to convert Cubic Yards into square feet at varying depths. For the sake of this example, lets use 456 cubic yards a 1 foot deep. Thank you!
#2
01-18-2012, 03:09 PM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,547 Rep Power: 19
Re: Cubic Yards into Square feet

Quote:
 Originally Posted by Unregistered I need to convert Cubic Yards into square feet at varying depths. For the sake of this example, lets use 456 cubic yards a 1 foot deep. Thank you!
1) Multiply by 27 ft³/yd³ to convert to cubic feet; you have 12312 ft³

2) Divide by the depth to detrmine the square feet covered. 1 ft depth gives 12312. HOWEVER, the dirt, sand or stone is delivered loose and will compact down. Typical is around 15%, so I would first multiply the figure from step 1 by 0.85. Re-compacted, you will only fill about a 10465 ft³ hole.

This 85% figure may vary a little for different fill materials, but it is a pretty good number to start with
#3
01-19-2012, 04:44 AM
 Unregistered Guest Posts: n/a
Re: Cubic Yards into Square feet

Thanks! Very helpful. I am actually just trying to make a comparison of the amount of landfill waste that my company produces to show how many sq ft or acers it could cover. This is perfect!
#4
02-23-2012, 06:45 AM
Re: Cubic Yards into Square feet

need to convert 15'x15' @ 4 in deepth into yards.
#5
04-11-2012, 06:19 AM
 Unregistered Guest Posts: n/a
Re: Cubic Yards converted into yards

Quote:
 Originally Posted by wade need to convert 15'x15' @ 4 in deepth into yards.
need tro know how many sqare feet there is in 1 cubic square
#6
05-03-2012, 06:45 AM
 Unregistered Guest Posts: n/a
Re: Cubic Yards converted into yards

Quote:
 Originally Posted by Unregistered need tro know how many sqare feet there is in 1 cubic square
how much is 1 cubic yard in feet
#7
05-03-2012, 03:47 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: Cubic Yards converted into yards

Quote:
 Originally Posted by Unregistered how much is 1 cubic yard in feet
There are 27 cubic feet in a cubic yard
#8
01-21-2014, 05:44 AM
 Unregistered Guest Posts: n/a
Re: Cubic Yards into Square feet

5 cubic yards to sq feet
#9
01-21-2014, 04:37 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: Cubic Yards into Square feet

Quote:
 Originally Posted by Unregistered 5 cubic yards to sq feet
5 cubic yards * 27 cubic feet/cubic yard = 135 cubic feet
135 cubic feet / thickness in feet = square feet of coverage

As JohnS mentioned you need to allow for the material to compact, about 15% for soil.

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