Square millimeters to square megameters (mm² to Mm²) converter

You can enter a value in either the square millimeters (mm²) or square megameters (Mm²) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Area units and easily switch Area units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting square millimeters to square megameters to square megameters to square millimeters.

square millimeters (mm²)

 

square megameters (Mm²)

 
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1 mm² = 0 Mm² 1 Mm² = 1.0E+18 mm²

Algebraic Steps / Dimensional Analysis Formula
mm² * 1 Mm²
1.0E+18 mm²
= Mm²

If you would like to switch between Area units, select from the tables below

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