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Kn/m2 to Kpa

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  • Kn/m2 to Kpa

    Hi guys,

    Just like to know the proper procedure in converting the following:
    1. kg/m3 to kg/m2
    (unit weight of concrete devide by nominal thickness of concrete
    i.e. 2,400 kg/m3 / 0.09318m = 25,756.6 kg/m2, is this correct?)

    2. kn/m2 to lbs/in2

    3. lbs/in2 to Kpa

    Thanks in advance to those that will be helpin' me out on this.

  • #2
    Re: Kn/m2 to Kpa

    Originally posted by Tantarado
    1. kg/m3 to kg/m2
    You multiply by meters, not divide.
    kg/m * m = kg/m

    Originally posted by Tantarado
    2. kn/m2 to lbs/in2
    kn/m * 0.14503774 = lbf/in

    Originally posted by Tantarado
    3. lbs/in2 to Kpa
    lbf/in * 6.8947573 = kPa

    A kilopascal (kPa) is the same as a kilonewton/square meter (kn/m). so number 2 and 3 are very much related.

    Comment


    • #3
      Re: Kn/m2 to Kpa

      Originally posted by Robert Fogt
      You multiply by meters, not divide.
      kg/m * m = kg/m



      kn/m * 0.14503774 = lbf/in



      lbf/in * 6.8947573 = kPa

      A kilopascal (kPa) is the same as a kilonewton/square meter (kn/m). so number 2 and 3 are very much related.

      Thank you for the prompt reply this has been a very big help!

      Comment


      • #4
        Re: Kn/m2 to Kpa

        just like to add-up

        Is kg/m3 * m3 = kg/m3? i forgot to list it in my previous querry.

        i.e. unit weight of concrete multiplied by the calculated volume - will the product be still kg/m3?

        Again, Thanks in advance for the replies.

        Comment


        • #5
          Re: Kn/m2 to Kpa

          No, it would be:

          kg/m * m = kg

          Its just regular algebra, the m cancels each other out.

          What you have is the volume, multiplied by the density, gives you the weight.

          Comment


          • #6
            Re: Kn/m2 to Kpa

            how many lbs would 250kpa be

            Comment

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