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How many astronomical unit in 1 em? The answer is 2.8192363836901E-14. We assume you are converting between astronomical unit and em. You can view more details on each measurement unit: astronomical unit or em The SI base unit for length is the metre. 1 metre is equal to 6.6845871222684E-12 astronomical unit, or 237.10630158366 em. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between astronomical units and em. Type in your own numbers in the form to convert the units!
1 astronomical unit to em = 35470597846468 em
2 astronomical unit to em = 70941195692936 em
3 astronomical unit to em = 1.064117935394E+14 em
4 astronomical unit to em = 1.4188239138587E+14 em
5 astronomical unit to em = 1.7735298923234E+14 em
6 astronomical unit to em = 2.1282358707881E+14 em
7 astronomical unit to em = 2.4829418492527E+14 em
8 astronomical unit to em = 2.8376478277174E+14 em
9 astronomical unit to em = 3.1923538061821E+14 em
10 astronomical unit to em = 3.5470597846468E+14 em
You can do the reverse unit conversion from em to astronomical 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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