Units of measurement
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Quadratmillimeter (mm²)
Ar (a)
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Information
Quadratmillimeter (mm²)
A square millimeter (mm²) is a unit of area equal to a square with sides of 1 mm. It is used in engineering and drafting for small areas.
Ar (a)
An are (a) is a unit of area measurement equal to 100 m² (10×10 m). It is used in agriculture and cadastral measurements.