Convert square millimeter to square kilometer - Conversion of Measurement Units

Convert square millimetre to square kilometre

More information from the unit converter

How many square millimeter in 1 square kilometer?
The answer is 1000000000000.
We assume you are converting between square millimetre and square kilometre.
You can view more details on each measurement unit:
square millimeter or
square kilometer
The SI derived unit for area is the square meter.
1 square meter is equal to 1000000 square millimeter, or 1.0E-6 square kilometer.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square millimeters and square kilometers.
Type in your own numbers in the form to convert the units!

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