How many decare in 1 square astronomical unit? The answer is 2.2379523E+19. We assume you are converting between decare and square astronomical unit. You can view more details on each measurement unit: decare or square astronomical unit The SI derived unit for area is the square meter. 1 square meter is equal to 0.001 decare, or 4.4683704831421E-23 square astronomical unit. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between decares and square astronomical units. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from square astronomical unit to decare, or enter any two units below:
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.
A square astronomical unit is defined as the area of a square with sides one astronomical unit in length.
The definition of a astronomical unit is as follows:
The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length defined to be exactly equal to 149,597,870,700 metres. Historically, the astronomical unit was conceived as the average Earth-Sun distance (the average of Earth's aphelion and perihelion), before its modern redefinition.
The symbol "ua" is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common. The International Astronomical Union recommends "au" and international standard ISO 31-1 uses "AU".
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!