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Category: area Conversion: Decares to Square Hectometers The base unit for area is square meters (Non-SI/Derived Unit) [Decares] symbol/abbrevation: (daa) [Square Hectometers] symbol/abbrevation: (hm2, sq hm)
How to convert Decares to Square Hectometers (daa to hm2, sq hm)? 1 daa = 0.1 hm2, sq hm. 681600 x 0.1 hm2, sq hm = 68160 Square Hectometers. 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 Decares (daa) is equal to 1000 square-meters, while 1 Square Hectometers (hm2, sq hm) = 10000 square-meters.