How many milliastronomical unit in 1 astronomical unit? The answer is 1000. We assume you are converting between milliastronomical unit and astronomical unit. You can view more details on each measurement unit: milliastronomical unit or astronomical unit The SI base unit for length is the metre. 1 metre is equal to 6.6845871222684E-9 milliastronomical unit, or 6.6845871222684E-12 astronomical unit. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between milliastronomical units and astronomical units. Type in your own numbers in the form to convert the units!
1 milliastronomical unit to astronomical unit = 0.001 astronomical unit
10 milliastronomical unit to astronomical unit = 0.01 astronomical unit
50 milliastronomical unit to astronomical unit = 0.05 astronomical unit
100 milliastronomical unit to astronomical unit = 0.1 astronomical unit
200 milliastronomical unit to astronomical unit = 0.2 astronomical unit
500 milliastronomical unit to astronomical unit = 0.5 astronomical unit
1000 milliastronomical unit to astronomical unit = 1 astronomical unit
You can do the reverse unit conversion from astronomical unit to milliastronomical unit, or enter any two units below:
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".
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