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Category: area Conversion: Square Millimeters to Decares The base unit for area is square meters (Non-SI/Derived Unit) [Square Millimeters] symbol/abbrevation: (mm2, sq mm) [Decares] symbol/abbrevation: (daa)
How to convert Square Millimeters to Decares (mm2, sq mm to daa)? 1 mm2, sq mm = 1.0E-9 daa. 400 x 1.0E-9 daa = 4.0E-7 Decares. Always check the results; rounding errors may occur.
Definition:
The decare (symbol daa) is derived from deka, the prefix for 10 and are, and is equal to 10 ares or 1000 square metres. It is used in Norway and in the former Ottoman areas o..more 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 Decares (daa) = 1000 square-meters.