How many square nanometer in 1 square kilometre?
The answer is 1.0E+24.
We assume you are converting between square nanometre and square kilometre.
You can view more details on each measurement unit: square nanometer or
square kilometre
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+18 square nanometer, or 1.0E-6 square kilometre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square nanometers and square kilometers.
Type in your own numbers in the form to convert the units!

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