How many siriometer in 1 astronomical units? The answer is 1.0000000046792E-6. We assume you are converting between siriometre and astronomical unit. You can view more details on each measurement unit: siriometer or astronomical units The SI base unit for length is the metre. 1 metre is equal to 6.684587153547E-18 siriometer, or 6.6845871222684E-12 astronomical units. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between siriometers and astronomical units. Type in your own numbers in the form to convert the units!
1 siriometer to astronomical units = 999999.99532 astronomical units
2 siriometer to astronomical units = 1999999.99064 astronomical units
3 siriometer to astronomical units = 2999999.98596 astronomical units
4 siriometer to astronomical units = 3999999.98128 astronomical units
5 siriometer to astronomical units = 4999999.9766 astronomical units
6 siriometer to astronomical units = 5999999.97192 astronomical units
7 siriometer to astronomical units = 6999999.96725 astronomical units
8 siriometer to astronomical units = 7999999.96257 astronomical units
9 siriometer to astronomical units = 8999999.95789 astronomical units
10 siriometer to astronomical units = 9999999.95321 astronomical units
You can do the reverse unit conversion from astronomical units to siriometer, 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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