Convert nanometers (nm) to astronomical units (AU) with formulas, examples, and conversion tables.
How to Convert nanometers to astronomical units
To convert nanometers to astronomical units, divide the value by 1.496e20.
The Formula
astronomical units = nanometers ÷ 1.496e20
Key Fact
1 astronomical unit = 1.496e20 nanometers
Tip: To convert astronomical units back to nanometers, multiply by 1.496e20.
About Nanometers and Astronomical Units
What is a Nanometer?
The nanometer (nm) is a unit of length in the metric system. One nanometer equals 1e-9 meters.
What is a Astronomical Unit?
The astronomical unit (AU) is a unit of length in the astronomical system. One astronomical unit equals 149600000000 meters.