How many square metre 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 metre 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!
You can do the reverse unit conversion from square kilometer to square metre, or enter any two units below:
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.
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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!