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How to calculate linear inches in pipe

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  • How to calculate linear inches in pipe

    If it is 16 diameter pipe I need calculate linear inch of opening 16length 16inch width
    please advice

  • #2
    Re: How to calculate linear inches in pipe

    Not quite enough information supplied. Is it the circumference of the opening you need?

    Linear distance is distance as if the object was along a straight line, without any care to the width or height.

    Usually that would be the length of the pipe, but you mentioned the opening so that may need more explanation.

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    • #3
      Re: How to calculate linear inches in pipe

      it is circumference of 16inch pipe
      need calculate in linear inch for cutting
      I got 16 inch length by 16inch width with STD wt

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      • #4
        Re: How to calculate linear inches in pipe

        Originally posted by Unregistered View Post
        it is circumference of 16inch pipe
        need calculate in linear inch for cutting
        I got 16 inch length by 16inch width with STD wt
        Circumference is pi times diameter.
        Pi is an irrational numbner (infinite number of decimal digits) but is approximately 3.14159. Circumference is 3.14159 x 16", or about 50.27 inches.

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        • #5
          Re: How to calculate linear inches in pipe

          Thanks John for response
          just want to be more clear
          for example if size 12in STD wt but length is 16 in
          they want cut half of diameter and calculate by linear inch
          how to calculate it ?
          Thanks in advance

          Comment


          • #6
            Re: How to calculate linear inches in pipe

            Originally posted by Unregistered View Post
            Thanks John for response
            just want to be more clear
            for example if size 12in STD wt but length is 16 in
            they want cut half of diameter and calculate by linear inch
            how to calculate it ?
            Thanks in advance
            I'm confused!

            Pipe weight (related to wall thickness) shouldn't be a factor unless the annulus centerline is needed. I can't imagine you need that.

            Are you asking about diameter of the pipe when you say length?

            12" Std pipe actually has an outside diameter of 12.75 in., but it can be 40 ft long. The circumference of 12.75 in. diameter pipe is: 12.75 in. * PI = 40.055 in. Half the circumference would be 20.027 in.

            What dimension are you asking about when you say 16" length?

            Or . . . are you asking about the circumference of an ellipse?

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