February 28th, 2012, 05:08 PM  #1 
Newbie Joined: Feb 2012 Posts: 5 Thanks: 0  Conversion
I have some material that weighs 20lbs per cubic meter. I have a piece of that material that is 1 x 1 x 1.5 cubic feet. I need to know how much this piece weighs?

February 28th, 2012, 05:56 PM  #2 
Global Moderator Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4  Re: Conversion
"1 x 1 x 1.5 cubic feet" isn't meaningful. 1ft x 1 ft x 1.5 ft = 1.5 cubic feet Anywho. So each cubic foot weighs a certain amount, and you have 1.5 cubic feet... 
February 28th, 2012, 08:00 PM  #3 
Newbie Joined: Feb 2012 Posts: 5 Thanks: 0  Re: Conversion
So, I convert 1.5 cubic feet to cubic meters and then multiply by 20?

February 28th, 2012, 08:07 PM  #4 
Global Moderator Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4  Re: Conversion
Yes.

February 28th, 2012, 08:16 PM  #5 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs  Re: Conversion
Yes, one way to do this: Weight = weight density times volume, thus: 
February 29th, 2012, 07:28 AM  #6 
Newbie Joined: Feb 2012 Posts: 5 Thanks: 0  Re: Conversion
Thanks a bunch!


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