0.1 light-year is equal to 3,104,002,624,671,916.0000 feet.

There are approximately 31,040,026,246,719,160 feet in one light-year.

Converting light-years to feet helps to visualize and comprehend the vast distances in space by relating them to a more familiar unit, even though the number of feet is extremely large.

This conversion is primarily used in astronomy and astrophysics for scientific calculations and communication, not in everyday life due to the immense scale involved.