›› Convert nanometre to astronomical unit


nanometer
astronomical unit


›› More information from the unit converter

How many nanometer in 1 astronomical unit? The answer is 1.49597870691E+20.
We assume you are converting between nanometre and astronomical unit.
You can view more details on each measurement unit:
nanometer or astronomical unit
The SI base unit for length is the metre.
1 metre is equal to 1000000000 nanometer, or 6.6845871226706E-12 astronomical unit.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between nanometres and astronomical units.
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›› Definition: Nanometre

The SI prefix "nano" represents a factor of 10-9, or in exponential notation, 1E-9.

So 1 nanometre = 10-9 metre.


›› Definition: Astronomical unit

The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).

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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