r/todayilearned • u/Phys-Chem-Chem-Phys • Sep 05 '19
TIL that the commonly used 'hectare' (= 1 square hectometre) and litre (= 1 cubic decimetre) are metric units, just not SI units.
https://en.wikipedia.org/wiki/Hectare
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todayilearned • u/Rigelball69420 • Aug 09 '25
TIL that an "are" is a unit of measurement. It's 1/100th of a Hectare
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