›› Convert square metre to square kilometre

square meter
square kilometer

›› More information from the unit converter

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.
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You can do the reverse unit conversion from square kilometer to square meter, or enter any two units below:

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›› Definition: Square meter

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 mē.

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!