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Category: area Conversion: Square Astronomical Units to Square Kilometers The base unit for area is square meters (Non-SI/Derived Unit) [Square Astronomical Units] symbol/abbrevation: (au2, sq au) [Square Kilometers] symbol/abbrevation: (km2, sq km)
How to convert Square Astronomical Units to Square Kilometers (au2, sq au to km2, sq km)? 1 au2, sq au = 2.2379523E+16 km2, sq km. 2823000000 x 2.2379523E+16 km2, sq km = 6.3177393429E+25 Square Kilometers. Always check the results; rounding errors may occur.
Definition: In relation to the base unit of [area] => (square meters), 1 Square Astronomical Units (au2, sq au) is equal to 2.2379523E+22 square-meters, while 1 Square Kilometers (km2, sq km) = 1000000 square-meters.