A light-year is the distance that light travels in a vacuum in one Julian year (365.25 days). It's a unit of astronomical distance.

While light-years are used for cosmic distances, converting to centimeters can be useful for specific scientific calculations or for educational purposes to illustrate scale.

Yes, 5 light-years is an immense distance. It's the distance light travels in 5 years, which is a tiny fraction of the distances between stars.

There are 100 centimeters in 1 meter.