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  • (Score: 1) by blackest_k on Saturday March 22 2014, @12:05PM

    by blackest_k (2045) on Saturday March 22 2014, @12:05PM (#19721)

    lucky coincidence that 1000 litres = 1000kg of water and that happens to be pretty close to being 1 cubic meter at room temperature.

    There's no real reason why they have to be so close, I guess gravity could be a part of it.

  • (Score: 2) by maxwell demon on Saturday March 22 2014, @12:15PM

    by maxwell demon (1608) on Saturday March 22 2014, @12:15PM (#19731)

    No, as I wrote at the other post, it's not coincidence.

    First, that 1000 liters are a cubic meter is no coincidence because that's exactly how the liter is defined.
    Second, that a liter of water has the mass of 1 kilogram is no coincidence because that's how the kilogram was originally defined.

    --
    The Tao of math: The numbers you can count are not the real numbers.
    • (Score: 1) by blackest_k on Saturday March 22 2014, @02:21PM

      by blackest_k (2045) on Saturday March 22 2014, @02:21PM (#19767)

      yes your quite right i was thinking of it backwards the litre the kg are relatively arbitrary in that a kilogram and litre of water would be a bit bigger if the meter was.

      but apart from the meter seems that water gets used for part of the definition a lot.