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