Convert centimeters (cm) to light years (ly) with formulas, examples, and conversion tables.
How to Convert centimeters to light years
To convert centimeters to light years, divide the value by 9.461e17.
The Formula
light years = centimeters ÷ 9.461e17
Key Fact
1 light year = 9.461e17 centimeters
Tip: To convert light years back to centimeters, multiply by 9.461e17.
About Centimeters and Light Years
What is a Centimeter?
The centimeter (cm) is a unit of length in the metric system. One centimeter equals 0.01 meters.
What is a Light Year?
The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.