How many square meter in 1 square kilometer?
The answer is 1000000.
We assume you are converting between square metre and square kilometre.
You can view more details on each measurement unit: square meter or
square kilometer
The SI derived unit for area is the square meter.
1 square meter is equal to 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 meters and square kilometers.
Type in your own numbers in the form to convert the units!

A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. It is the SI unit of area. It is abbreviated m².

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