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Category: area Conversion: Deciares to Square Kilometers The base unit for area is square meters (Non-SI/Derived Unit) [Deciares] symbol/abbrevation: (da) [Square Kilometers] symbol/abbrevation: (km2, sq km)
How to convert Deciares to Square Kilometers (da to km2, sq km)? 1 da = 1.0E-5 km2, sq km. 403700 x 1.0E-5 km2, sq km = 4.037 Square Kilometers. Always check the results; rounding errors may occur.
Definition:
The deciare is ten square meters.
In relation to the base unit of [area] => (square meters), 1 Deciares (da) is equal to 10 square-meters, while 1 Square Kilometers (km2, sq km) = 1000000 square-meters.