Units of measurement
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Square millimeter (mm²)
Square meter (m²)
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Square millimeter (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.
Square meter (m²)
A square meter (m²) is the primary unit of area measurement in the International System of Units (SI). It is used for measuring room sizes, land plots, etc.