Convert light years (ly) to nanometers (nm) with formulas, examples, and conversion tables.
How to Convert light years to nanometers
To convert light years to nanometers, multiply the value by 9.461e24.
The Formula
nanometers = light years × 9.461e24
Key Fact
1 light year = 9.461e24 nanometers
Tip: To convert nanometers back to light years, divide by 9.461e24.
About Light Years and Nanometers
What is a Light Year?
The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.
What is a Nanometer?
The nanometer (nm) is a unit of length in the metric system. One nanometer equals 1e-9 meters.