Light year Conversion

A Light year is a unit of distance used in astronomy to measure vast distances across the universe. It represents the distance that light travels in one year through the vacuum of space, at a speed of approximately 299,792 kilometers per second (about 186,282 miles per second).

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   Light year (ly) =    Kilometer (km)
LightYear Conversion Table
Light year(ly) to Kilometer (km) = 1 Kilometer (km)
Light year(ly) to Meter (m) = 1 Meter (m)
Light year(ly) to Millimeter (mm) = 1 Millimeter (mm)
Light year(ly) to Decimeter (dc) = 1 Decimeter (dc)
Light year(ly) to Centimeter (cm) = 1 Centimeter (cm)
Light year(ly) to Inch (in) = 1 Inch (in)
Light year(ly) to Foot (ft) = 1 Foot (ft)
Light year(ly) to Yard (yd) = 1 Yard (yd)
Light year(ly) to Mile (mi) = 1 Mile (mi)
Light year(ly) to Micron (µ) = 1 Micron (µ)
Light year(ly) to Nanometer (nm) = 1 Nanometer (nm)
Light year(ly) to Picometer (pm) = 1 Picometer (pm)
Light year(ly) to Femtometer (fm) = 1 Femtometer (fm)
Light year(ly) to Attometer (am) = 1 Attometer (am)
Light year(ly) to Zeptometer (zm) = 1 Zeptometer (zm)
Light year(ly) to Yoctometer (ym) = 1 Yoctometer (ym)
Light year(ly) to Dekameter (dam) = 1 Dekameter (dam)
Light year(ly) to Hectometer (hm) = 1 Hectometer (hm)
Light year(ly) to Megameter (Mm) = 1 Megameter (Mm)
Light year(ly) to Gigameter (Gm) = 1 Gigameter (Gm)
Light year(ly) to Terameter (Tm) = 1 Terameter (Tm)
Light year(ly) to Petameter (Pm) = 1 Petameter (Pm)
Light year(ly) to Exameter (Em) = 1 Exameter (Em)
Light year(ly) to Zettameter (Zm) = 1 Zettameter (Zm)
Light year(ly) to Yottameter (Ym) = 1 Yottameter (Ym)
Light year(ly) to Mil (mil) = 1 Mil (mil)
Light year(ly) to Nautical mile (nm) = 1 Nautical mile (nm)
Light year(ly) to Li (li) = 1 Li (li)
Light year(ly) to Half marathon (hm) = 1 Half marathon (hm)
Light year(ly) to Marathon (mra) = 1 Marathon (mra)
Light year(ly) to Parsec (pc) = 1 Parsec (pc)
Light year(ly) to Milliparsec (mpc) = 1 Milliparsec (mpc)
Light year(ly) to Nanoparsec (npc) = 1 Nanoparsec (npc)
Light year(ly) to Picoparsec (ppc) = 1 Picoparsec (ppc)
Light year(ly) to Kiloparsec (kpc) = 1 Kiloparsec (kpc)
Light year(ly) to Megaparsec (mpc) = 1 Megaparsec (mpc)
Light year(ly) to Gigaparsec (gpc) = 1 Gigaparsec (gpc)
Light year(ly) to Teraparsec (tpc) = 1 Teraparsec (tpc)
Light year(ly) to Astronomical unit (au) = 1 Astronomical unit (au)
Light year(ly) to Light year (ly) = 1 Light year (ly)
Light year(ly) to League (lea) = 1 League (lea)
Light year(ly) to Chain (ch) = 1 Chain (ch)
Light year(ly) to Furlong (fur) = 1 Furlong (fur)
Light year(ly) to Megafurlong (mfur) = 1 Megafurlong (mfur)
Light year(ly) to Rod (rd) = 1 Rod (rd)
Light year(ly) to Fathom (ftm) = 1 Fathom (ftm)
Light year(ly) to Smoot (smoot) = 1 Smoot (smoot)
Light year(ly) to Cubit (cbt) = 1 Cubit (cbt)
Light year(ly) to Beard second (beard-second) = 1 Beard second (beard-second)
Light year(ly) to Angstrom (angstrom) = 1 Angstrom (angstrom)

What is Light year ?

A Light year is a unit of distance used in astronomy to measure vast distances across the universe. It represents the distance that light travels in one year through the vacuum of space, at a speed of approximately 299,792 kilometers per second (about 186,282 miles per second).

To put it into perspective, one light year is equivalent to about 9.46 trillion kilometers (or about 5.88 trillion miles). This unit is incredibly useful for describing distances between stars, galaxies, and other celestial objects that are beyond our solar system.

In simpler terms, when we say a star is located 10 light years away, it means that the light we see from that star today actually started its journey 10 years ago. Light years help astronomers understand the immense scale of the universe and how long it takes for light, the fastest known thing, to travel across these vast cosmic distances.

Understanding light years is essential for studying the universe's structure, its evolution over time, and our place within it. It allows scientists to explore and interpret the observations made by telescopes and spacecraft as they probe deeper into the mysteries of outer space.


List of Length conversion units
Kilometer Meter Millimeter Decimeter Centimeter Inch Foot Yard Mile Micron Nanometer Picometer Femtometer Attometer Zeptometer Yoctometer Dekameter Hectometer Megameter Gigameter Terameter Petameter Exameter Zettameter Yottameter Mil Nautical mile Li Half marathon Marathon Parsec Milliparsec Nanoparsec Picoparsec Kiloparsec Megaparsec Gigaparsec Teraparsec Astronomical unit Light year League Chain Furlong Megafurlong Rod Fathom Smoot Cubit Beard second Angstrom
Other unit conversion for LightYear
Light year(ly) - Kilometer (km)
Light year(ly) - Meter (m)
Light year(ly) - Millimeter (mm)
Light year(ly) - Decimeter (dc)
Light year(ly) - Centimeter (cm)
Light year(ly) - Inch (in)
Light year(ly) - Foot (ft)
Light year(ly) - Yard (yd)
Light year(ly) - Mile (mi)
Light year(ly) - Micron (µ)
Light year(ly) - Nanometer (nm)
Light year(ly) - Picometer (pm)
Light year(ly) - Femtometer (fm)
Light year(ly) - Attometer (am)
Light year(ly) - Zeptometer (zm)
Light year(ly) - Yoctometer (ym)
Light year(ly) - Dekameter (dam)
Light year(ly) - Hectometer (hm)
Light year(ly) - Megameter (Mm)
Light year(ly) - Gigameter (Gm)
Light year(ly) - Terameter (Tm)
Light year(ly) - Petameter (Pm)
Light year(ly) - Exameter (Em)
Light year(ly) - Zettameter (Zm)
Light year(ly) - Yottameter (Ym)
Light year(ly) - Mil (mil)
Light year(ly) - Nautical mile (nm)
Light year(ly) - Li (li)
Light year(ly) - Half marathon (hm)
Light year(ly) - Marathon (mra)
Light year(ly) - Parsec (pc)
Light year(ly) - Milliparsec (mpc)
Light year(ly) - Nanoparsec (npc)
Light year(ly) - Picoparsec (ppc)
Light year(ly) - Kiloparsec (kpc)
Light year(ly) - Megaparsec (mpc)
Light year(ly) - Gigaparsec (gpc)
Light year(ly) - Teraparsec (tpc)
Light year(ly) - Astronomical unit (au)
Light year(ly) - Light year (ly)
Light year(ly) - League (lea)
Light year(ly) - Chain (ch)
Light year(ly) - Furlong (fur)
Light year(ly) - Megafurlong (mfur)
Light year(ly) - Rod (rd)
Light year(ly) - Fathom (ftm)
Light year(ly) - Smoot (smoot)
Light year(ly) - Cubit (cbt)
Light year(ly) - Beard second (beard-second)
Light year(ly) - Angstrom (angstrom)