UnitConverterTool.com

Mile (mi) to Light-year (ly) Online Unit Converter Tool

Result: 

Mile (mi):

Definition: The mile is a unit of length traditionally used in the imperial and US customary systems of measurement. It is approximately equal to 1.609 kilometers or 5280 feet.

History/Origin: The mile has ancient origins, with various cultures defining it based on different criteria such as the length of a Roman legion’s march. It was standardized in medieval England.

Current Uses: The mile is widely used in the United States and the UK for measuring road distances, aviation, and sports. It provides a familiar unit for expressing longer distances.

Where to Use: Miles are employed in road signs, marathon courses, aviation charts, and historical land measurements. They offer a convenient unit for travel distances and geographical references.

Light-year (ly):

Definition: The light-year is a unit of length used in astronomy and astrophysics to measure astronomical distances. It represents the distance that light travels in one year in a vacuum.

History/Origin: The concept of the light-year emerged in the late 17th century with the realization that light has a finite speed. It gained prominence in the early 20th century with the development of modern astrophysics.

Current Uses: Light-years are essential for describing distances between stars, galaxies, and other celestial objects in the universe. They provide a convenient scale for measuring vast astronomical distances.

Where to Use: Light-years are employed in astronomical research, cosmology, and science education. They help scientists and astronomers understand the scale and structure of the universe.

Mile (mi) to Light-year (ly) Conversion Table:

Mile (mi)

Light-year (ly)

1

1.70108e-13

2

3.40216e-13

3

5.10324e-13

4

6.80432e-13

5

8.50540e-13

6

1.02065e-12

7

1.19076e-12

8

1.36087e-12

9

1.53097e-12

10

1.70108e-12