Foot (ft) to Light-year (ly) Online Unit Converter Tool
Result:
Foot (ft):
– Definition: The foot is a unit of length traditionally used in the imperial and US customary systems of measurement. It is approximately equal to 0.3048 meters or 12 inches.
– History/Origin: The foot has ancient origins, with various cultures using different definitions based on human body parts or natural phenomena. It was standardized to its current length in medieval England.
– Current Uses: Although most countries have adopted the metric system, the foot is still widely used in the United States and the UK for everyday measurements, real estate, and construction.
– Where to Use: Foot are commonly used in architecture, construction, surveying, sports, and real estate. They provide a convenient unit of measurement for distances and dimensions in these fields.
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.
Foot (ft) to Light-year (ly) Conversion Table:
Foot (ft) | Light-Year (ly) |
1 | 3.2217e-17 |
2 | 6.4434e-17 |
3 | 9.6651e-17 |
4 | 1.28868e-16 |
5 | 1.61085e-16 |
6 | 1.93302e-16 |
7 | 2.25519e-16 |
8 | 2.57736e-16 |
9 | 2.89953e-16 |
10 | 3.2217e-16 |