Hand (hand) to Light-year (ly) Online Unit Converter Tool

Result: 

Hand (hand):

Definition: The hand is a unit of length traditionally used to measure the height of horses, livestock, and other animals. It represents four inches or one-tenth of a yard.

History/Origin: The hand has ancient origins, with different cultures defining it based on the size of a human hand or the width of a palm. It was commonly used in agriculture and equestrian activities.

Current Uses: While less common than meters or feet, hands are still used in horse racing, animal husbandry, and veterinary medicine. They provide a convenient unit for measuring the height of horses and livestock.

Where to Use: Hands are employed in horse breeding, equestrian sports, livestock management, and veterinary clinics. They are particularly useful for estimating the size and conformation of animals.

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.

Hand (hand) to Light-year (ly) Conversion Table:

Hand (hand)

Light-year (ly)

1

1.07348e-18 ly

2

2.14696e-18 ly

3

3.22044e-18 ly

4

4.29392e-18 ly

5

5.3674e-18 ly

6

6.44088e-18 ly

7

7.51436e-18 ly

8

8.58784e-18 ly

9

9.66132e-18 ly

10

1.07348e-17 ly