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-MFra-21-Topaz II
21-Topaz II
October 10, 2016
Question

TONNE AND TON

  • October 10, 2016
  • 6 replies
  • 23851 views

I would like to remind all users that, with respect to the unit of measurement corresponding to 1000.0kg, there are differences, depending on the country where you are, and that Mathcad takes this into account. so you have to be careful:

tonne e ton.jpg

6 replies

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DenisJaunin15-Moonstone
15-Moonstone
October 10, 2016

Hello F.M.

Thanks for the information.

Kind regards.

Denis.

F
Fred_Kohlhepp23-Emerald I
23-Emerald I
October 10, 2016

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    -MFra-21-Topaz IIAuthor
    21-Topaz II
    October 10, 2016

    Thank you for completing

    A
    AndyWesterman12-Amethyst
    12-Amethyst
    October 10, 2016

    Strictly speaking,

    1 Tonne =1 metric tonne =1000kg

    1 Ton = 1 imperial Ton (US) =2000 lb

    what is missing is

    1 Ton = 1 imperial ton (UK) =2240 lb

    14 pounds = 1 stone; 8 stones = 1 hundredweight; 20 hundredweight = 1 ton)

    regards

    Andy

    성
    성신_011-Visitor
    1-Visitor
    October 10, 2016

    1 metric tonne = 1,000 kg

        1  long ton  = English ton = 1,016 kg (UK Ton= 2240lb)

        1  short ton = about 907 kg (US Ton= 2000lb)

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    -MFra-21-Topaz IIAuthor
    21-Topaz II
    October 11, 2016

    Regarding the force, I would like to add, and to remember that:

    Tonnef and tonf.jpg

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    Fred_Kohlhepp23-Emerald I
    23-Emerald I
    October 11, 2016

    Way back, when I was in school and introduced to the "metric system," the one major advantage that I saw over the "English" system was the complete separation of terminology between mass and force.  Mass was grams, or kilograms; force was Dynes or Newtons.  Things were clear, not like the English system where pounds could be force or mass.  Equations were much simpler--devoid of the hated "g".

    I was (and still am) very disheartened when I encounter a "kilogram force".  I have been forced (by location) to learn and use the English unit system, and have gotten used to it.  But please, please, please:  Hold firmly to kilograms and Newtons, grams and Dynes.  Practice the true religion; put "kgf" behind you!

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      -MFra-21-Topaz IIAuthor
      21-Topaz II
      October 12, 2016

      You're absolutely right, but those units are used, especially in engineering, as you well know,  when it comes to large masses or forces so write numbers relatively small, otherwise, for exmple, to write 10 tons (tonnef), you should write 98066,500N.

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      Fred_Kohlhepp23-Emerald I
      23-Emerald I
      October 12, 2016

      Or, using the popular argument for metrics and prefixes, you could write 98 kN. 

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      -MFra-21-Topaz IIAuthor
      21-Topaz II
      October 12, 2016

      What to say ... maybe the engineers, civil and mechanical, they like tons, which is a very common unit. On construction sites, for example, not all the staff know, what is a Newton, but if we talk about tons, everyone understands immediately what it's about.

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