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Category: area Conversion: Square Miles to Square Kilometers The base unit for area is square meters (Non-SI/Derived Unit) [Square Miles] symbol/abbrevation: (mi2, sq mi) [Square Kilometers] symbol/abbrevation: (km2, sq km)
How to convert Square Miles to Square Kilometers (mi2, sq mi to km2, sq km)? 1 mi2, sq mi = 2.58998811 km2, sq km. 6346829455 x 2.58998811 km2, sq km = 16438212824.648 Square Kilometers. Always check the results; rounding errors may occur.
Definition: In relation to the base unit of [area] => (square meters), 1 Square Miles (mi2, sq mi) is equal to 2589988.11 square-meters, while 1 Square Kilometers (km2, sq km) = 1000000 square-meters.