Convert square millimeter [mm^2] to square decimeter [dm^2] Online | Free area Converter

Square Millimeter [mm²]


A square millimeter (mm²) is a unit of area equal to a square with sides 1 millimeter long. It is used to measure very small surfaces, such as parts of mechanical components or electronic circuits.

1 mm² = 0.000001 m².


Square Decimeter [dm²]


A square decimeter (dm²) is a unit of area equal to a square with sides 1 decimeter (10 centimeters) long.

1 dm² = 0.01 m² = 100 cm².

It is commonly used to measure small surfaces, such as the area of tiles or sheets of paper.



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