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Category: area Conversion: Square Millimeters to Square Kilometers The base unit for area is square meters (Non-SI/Derived Unit) [Square Millimeters] symbol/abbrevation: (mm2, sq mm) [Square Kilometers] symbol/abbrevation: (km2, sq km)
How to convert Square Millimeters to Square Kilometers (mm2, sq mm to km2, sq km)? 1 mm2, sq mm = 1.0E-12 km2, sq km. 9738040717 x 1.0E-12 km2, sq km = 0.009738040717 Square Kilometers. Always check the results; rounding errors may occur.
Definition: In relation to the base unit of [area] => (square meters), 1 Square Millimeters (mm2, sq mm) is equal to 1.0E-6 square-meters, while 1 Square Kilometers (km2, sq km) = 1000000 square-meters.