I’ve learned about them in school, but I’ve never heard anyone say something is 8 decameters long or anything like that. I’m an American.

  • space@lemmy.dbzer0.com
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    10 months ago

    In Romania we use them for measuring areas. An “ar” is 100m^2 or a square decameter, and a hectare is a 10000m^2 or a square hectometer.

    • lugal@lemmy.world
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      10 months ago

      In Germany we only use hectare. Ar is something you learn in school and never use.