UnitConverterTool.com

Yard (yd) to Light-year (ly) Online Unit Converter Tool

Result: 

Yard (yd):

Definition: The yard is a unit of length traditionally used in the imperial and US customary systems of measurement. It is approximately equal to 0.9144 meters or 3 feet.

History/Origin: The yard has ancient origins, with different cultures defining it based on the human body or natural objects like poles or sticks. It was standardized in medieval England.

Current Uses: While less common than feet or inches, the yard is still used in the United States and the UK for certain applications such as gardening, sports, and fabric measurements.

Where to Use: Yards are employed in landscaping, fabric cutting, sports fields, and tailoring. They provide a convenient unit of measurement for moderate-length distances and dimensions.

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.

Yard (yd) to Light-year (ly) Conversion Table:

Yard (yd)

Light-year (ly)

1

9.665e-17

2

1.933e-16

3

2.899e-16

4

3.866e-16

5

4.832e-16

6

5.799e-16

7

6.765e-16

8

7.732e-16

9

8.698e-16

10

9.665e-16