How many square gigametre in 1 millidecare? The answer is 1.0E-18. We assume you are converting between square gigametre and millidecare. You can view more details on each measurement unit: square gigametre or millidecare The SI derived unit for area is the square meter. 1 square meter is equal to 1.0E-18 square gigametre, or 1 millidecare. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between square gigameters and millidecares. Type in your own numbers in the form to convert the units!
1 square gigametre to millidecare = 1.0E+18 millidecare
2 square gigametre to millidecare = 2.0E+18 millidecare
3 square gigametre to millidecare = 3.0E+18 millidecare
4 square gigametre to millidecare = 4.0E+18 millidecare
5 square gigametre to millidecare = 5.0E+18 millidecare
6 square gigametre to millidecare = 6.0E+18 millidecare
7 square gigametre to millidecare = 7.0E+18 millidecare
8 square gigametre to millidecare = 8.0E+18 millidecare
9 square gigametre to millidecare = 9.0E+18 millidecare
10 square gigametre to millidecare = 1.0E+19 millidecare
You can do the reverse unit conversion from millidecare to square gigametre, or enter any two units below:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millidecare = 10-3 decares.
The definition of a decare is as follows:
The decare is a unit for the measurement of area, generally used for land area. One decare (from deka, 10 and are) is the same as 10 ares, which is the same as 1000 square metres. Though its base unit, the are, was defined by older forms of the metric system, it is not part of the modern metric system, the International System (SI). It is accepted, but not encouraged, for use with the SI.
The decare is not widely used, except in Norway and many of the formerly Ottoman countries; it corresponds roughly to the Byzantine stremma and the Ottoman donum, and exactly to the metric stremma and donum.
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