Square millimetre is metric area unit, symbol: [mm²]. Definition of 1 square millimetre = 1 mm x 1 mm. . Compared to square metre, square millimetre is smaller unit.
• 1 [mm²] = (exactly) `0.000001` [m²]
• 1 [m²] = (exactly) `1/(0.000001)` [mm²] = 1000000 [mm²]
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Multiply convert of square millimetre to common area units:
[mm²]Area units sort by name in ABC order
