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Author Topic: Help figuring concrete yardage needed Sam Hunter Jedi Master Film Handler Posts: 779 From: West Monroe, LA, USA Registered: Jan 2002 posted 06-12-2004 08:18 PM                     Whats the formula for figuring how many yards of concrete to use?  |  IP: Logged Brad Miller Administrator Posts: 17775 From: Plano, TX (36.2 miles NW of Rockwall) Registered: May 99 posted 06-12-2004 08:30 PM                     It's easy. First, convert everything to a common measurement (feet or yards). Then multiply length x width x thickness = volume. Then convert that to cubic yards. You will want to add a little bit for fudging due to a potential variation in depth, of course.  |  IP: Logged Steve Kraus Film God Posts: 4094 From: Chicago, IL, USA Registered: May 2000 posted 06-12-2004 08:33 PM                    How big a yacht are you building, Sam? (Besides concrete boats another interesting use of concrete was on old time heavyweight railroad passenger cars where the floor sometimes contained a concrete layer.) I don't know if there is some special industry practice involved but from a simple geometry standpoint a "yard" is a cubic yard which is 3 x 3 x 3 ft. That's 27 cubic feet per cubic yard. If you were pouring a slab 1' thick you'd get 27 square feet of slab for each cubic yard of concrete. Taking that down to inches if you were pouring only 1 inch thick you'd get 324 (12" x 27) square ft of coverage out of that yard (cubic yard). So how about this: (Sq.Ft. / 324) x inches-of-thickness = yards So if I pour a sidewalk 20' x 6' wide and 6" thick that would require 2.22 cubic yards of concrete.  |  IP: Logged Ron Yost Master Film Handler Posts: 344 From: Paso Robles, CA Registered: Aug 2003 posted 06-12-2004 08:48 PM                     Online concrete calculator: Concrete slab calculator Nice to see you still around, Sam. Gimme' a hollar sometime. Ron Yost  |  IP: Logged Sam Hunter Jedi Master Film Handler Posts: 779 From: West Monroe, LA, USA Registered: Jan 2002 posted 06-13-2004 05:43 PM                     Ron!!!!!!!!!!!!! I thought you were dead P.S. I know how to figure square footage but I was thinking there was something different about concrete but I guess the 3rd dimension was that. DO you guys think that a 12 x 26 area will give me a good home cinema with some of it for the booth?  |  IP: Logged Brad Miller Administrator Posts: 17775 From: Plano, TX (36.2 miles NW of Rockwall) Registered: May 99 posted 06-13-2004 06:37 PM                     It most certainly could, depending on how you seperate it and deal with the screen. Two questions... 1. What is your ceiling height? 2. How much space behind the screen do you need for your speakers?  |  IP: Logged Sam Hunter Jedi Master Film Handler Posts: 779 From: West Monroe, LA, USA Registered: Jan 2002 posted 06-14-2004 07:16 AM                     I am hoping for a 10' ceiling height and a 2 foot area behind the screen.  |  IP: Logged

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