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-   -   60 pounds bags of pre_ mix concrete (http://www.diychatroom.com/f2/60-pounds-bags-pre_-mix-concrete-104259/)

Ironduck123 05-12-2011 11:17 AM

60 pounds bags of pre_ mix concrete
 
i,m having problems on trying to fighuer out many bags of 60pounds pre_mix concret will it take to fill a form that measures leanth 8ft,5in x hight 11in x wide 6in :huh:

DrHicks 05-12-2011 11:19 AM

Quote:

Originally Posted by Ironduck123 (Post 646427)
i,m having problems on trying to fighuer out many bags of 60pounds pre_mix concret will it take to fill a form that measures leanth 8ft,5in x hight 11in x wide 6in :huh:

So the area is 8'5" long, 11" wide, and 6" thick?

gregzoll 05-12-2011 12:19 PM

There are concrete calculators at Sakrete.com.

algored2deth 05-12-2011 12:20 PM

Putting your numbers in terms of feet only.

8ft 5in = 8.42 ft;
11in = 0.92ft;
6in = 0.5 ft.

The bags are listed in terms of cubic feet.

For quickrete, go here:

http://www.quikrete.com/PDFs/DATA_SH...Mix%201101.pdf

If you don't want to do that, here is what they list as appx ft^3:

YIELD
• An 80 lb (36.3 kg) bag yields approximately 0.60 cu ft (17 L)
• A 60 lb (27.2 kg) bag yields approximately 0.45 cu ft (12.7 L)
• A 40 lb (18.1 kg) bag yields approximately 0.30 cu ft (8.5 L)

Just multiply all of those numbers together: 8.42*0.92*0.5 = 3.87 ft^3.

If you buy 60lb pound bags, you will need 3.87/0.45 = 8.6 bags. Round up to 9.

Kenlguy 05-12-2011 02:37 PM

Got this link on my desktop
http://www.concretenetwork.com/concr...calculator.htm

Comes in real handy sometimes

chrisBC 05-13-2011 01:31 PM

volume of a rectangle

always good to have a bag or two more than a bag or two less:laughing:

Willie T 05-13-2011 02:48 PM

Not real sure why we bother, but here you go.
:no:
http://www.diychatroom.com/f98/how-c...41/#post282660

DangerMouse 05-13-2011 03:06 PM

Now Willie, you KNOW why we bother. It's in our nature.

DM

Willie T 05-13-2011 09:46 PM

Yeah, I know. :blush:


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