Enter the value in square kilometers to get the conversion into square millimeters:
The square kilometer is a multiple of the square meter. It is one million square meters. The square millimeter is a submultiple of the square meter. It is often used to measure quite small areas like a power cable section.

Other available unit conversions of areas

Convert square kilometers into square decameters - km2 into dam2 Conversion of square kilometers into square hectometers - km2 into hm2 Conversion of square kilometers into square yards - km2 into sq-yd Convert square kilometers into square feet - km2 into sq-ft Conversion of square yards into square millimeters - sq-yd into mm2 Convert square feet into square millimeters - sq-ft into mm2 Conversion of square inches into square millimeters - sq-in into mm2 Convert square chains into square millimeters - sq-ch into mm2 Conversion of square miles into square millimeters - sq-mi into mm2
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