Convert Light-Second to Light-Year Online

About Light-Second to Light-Year Conversion

This converter converts Light-Second (ls) to Light-Year (ly). One Light-Second (ls) equals 3.168808781402895e-8 Light-Year (ly).

Formula:

1 Light-Second (ls) = 3.168808781402895e-8 Light-Year (ly)

Example:

1 ls = 3.168808781402895e-8 ly
2 ls = 6.33761756280579e-8 ly

Light-Second (ls) to Light-Year (ly) Conversion

Light-Second to Light-Year conversion explained with exact factors, step-by-step examples, and situations where this conversion is commonly used.

Conversion Formula

Light-Year = Light-Second × 3.168809e-8

To convert Light-Second (ls) to Light-Year (ly), multiply the value by 3.168809e-8. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 ls to ly.

  • Step 1: Write the formula: ly = ls × 3.168809e-8
  • Step 2: Substitute: 1 × 3.168809e-8
  • Step 3: Result: 3.168809e-8 ly
So, 1 ls = 3.168809e-8 ly.

About the Units

Light-Second (ls)

One Light-Second (ls) equals 3.168809e-8 Light-Year (ly)

Used for extremely large distances such as astronomical or planetary scales.

Light-Year (ly)

One Light-Year (ly) equals 3.155760e+7 Light-Second (ls)

Used for extremely large distances such as astronomical or planetary scales.

Where This Conversion Is Used

  • Converting values from Light-Second to Light-Year for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Light-Year representation.
  • Applied when comparing different measurement systems across tools and documents.
  • Essential in astronomy, orbital mechanics, and large-scale simulations.

Frequently Asked Questions

How many Light-Year (ly) are in 1 Light-Second (ls)?

1 ls = 3.168809e-8 ly.

What is the formula for converting Light-Second (ls) to Light-Year (ly)?

Multiply the ls value by 3.168809e-8.

Can I reverse the conversion?

Yes. 1 ly = 3.155760e+7 ls.

Conclusion

By applying the conversion factor shown above, you can reliably convert Light-Second (ls) to Light-Year (ly) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Light-Second to Other Units

Light-Second to Inch

1 ls = 11802852677.165356 in

1 Light-Second (ls) = 11802852677.165356 Inches (in)

1 Light-Second equals 11802852677.165356 inches.

Light-Second to Foot

1 ls = 983571056.4304461 ft

1 Light-Second (ls) = 983571056.4304461 Feet (ft)

1 Light-Second equals 983571056.4304461 feet.

Light-Second to Feet

1 ls = 983571056.4304461 ft

1 Light-Second (ls) = 983571056.4304461 Feets (ft)

1 Light-Second equals 983571056.4304461 feets.

Light-Second to Centimeter

1 ls = 29979245800 cm

1 Light-Second (ls) = 29979245800 Centimeters (cm)

1 Light-Second equals 29979245800 centimeters.

Light-Second to Meter

1 ls = 299792458 m

1 Light-Second (ls) = 299792458 Meters (m)

1 Light-Second equals 299792458 meters.

Light-Second to Kilometer

1 ls = 299792.458 km

1 Light-Second (ls) = 299792.458 Kilometers (km)

1 Light-Second equals 299792.458 kilometers.

Light-Second to Millimeter

1 ls = 299792458000 mm

1 Light-Second (ls) = 299792458000 Millimeters (mm)

1 Light-Second equals 299792458000 millimeters.

Light-Second to Yard

1 ls = 327857018.8101487 yd

1 Light-Second (ls) = 327857018.8101487 Yards (yd)

1 Light-Second equals 327857018.8101487 yards.

Light-Second to Yoctometer

1 ls = 2.9979245800000003e+32 ym

1 Light-Second (ls) = 2.9979245800000003e+32 Yoctometers (ym)

1 Light-Second equals 2.9979245800000003e+32 yoctometers.

Light-Second to Zeptometer

1 ls = 2.9979245800000002e+29 zm

1 Light-Second (ls) = 2.9979245800000002e+29 Zeptometers (zm)

1 Light-Second equals 2.9979245800000002e+29 zeptometers.

Light-Second to Attometer

1 ls = 2.9979245799999998e+26 am

1 Light-Second (ls) = 2.9979245799999998e+26 Attometers (am)

1 Light-Second equals 2.9979245799999998e+26 attometers.

Light-Second to Femtometer

1 ls = 2.9979245799999998e+23 fm

1 Light-Second (ls) = 2.9979245799999998e+23 Femtometers (fm)

1 Light-Second equals 2.9979245799999998e+23 femtometers.

Light-Second to Picometer

1 ls = 299792458000000000000 pm

1 Light-Second (ls) = 299792458000000000000 Picometers (pm)

1 Light-Second equals 299792458000000000000 picometers.

Light-Second to Nanometer

1 ls = 299792458000000000 nm

1 Light-Second (ls) = 299792458000000000 Nanometers (nm)

1 Light-Second equals 299792458000000000 nanometers.

Light-Second to Micrometer

1 ls = 299792458000000 µm

1 Light-Second (ls) = 299792458000000 Micrometers (µm)

1 Light-Second equals 299792458000000 micrometers.

Light-Second to Decimeter

1 ls = 2997924580 dm

1 Light-Second (ls) = 2997924580 Decimeters (dm)

1 Light-Second equals 2997924580 decimeters.

Light-Second to Decameter

1 ls = 29979245.8 dam

1 Light-Second (ls) = 29979245.8 Decameters (dam)

1 Light-Second equals 29979245.8 decameters.

Light-Second to Hectometer

1 ls = 2997924.58 hm

1 Light-Second (ls) = 2997924.58 Hectometers (hm)

1 Light-Second equals 2997924.58 hectometers.

Light-Second to Megameter

1 ls = 299.792458 Mm

1 Light-Second (ls) = 299.792458 Megameters (Mm)

1 Light-Second equals 299.792458 megameters.

Light-Second to Gigameter

1 ls = 0.299792458 Gm

1 Light-Second (ls) = 0.299792458 Gigameter (Gm)

1 Light-Second equals 0.299792458 gigameter.

Light-Second to Terameter

1 ls = 0.000299792458 Tm

1 Light-Second (ls) = 0.000299792458 Terameter (Tm)

1 Light-Second equals 0.000299792458 terameter.

Light-Second to Petameter

1 ls = 2.99792458e-7 Pm

1 Light-Second (ls) = 2.99792458e-7 Petameter (Pm)

1 Light-Second equals 2.99792458e-7 petameter.

Light-Second to Exameter

1 ls = 2.99792458e-10 Em

1 Light-Second (ls) = 2.99792458e-10 Exameter (Em)

1 Light-Second equals 2.99792458e-10 exameter.

Light-Second to Zettameter

1 ls = 2.99792458e-13 Zm

1 Light-Second (ls) = 2.99792458e-13 Zettameter (Zm)

1 Light-Second equals 2.99792458e-13 zettameter.

Light-Second to Yottameter

1 ls = 2.99792458e-16 Ym

1 Light-Second (ls) = 2.99792458e-16 Yottameter (Ym)

1 Light-Second equals 2.99792458e-16 yottameter.

Light-Second to Cubit

1 ls = 655714037.6202974 cubit

1 Light-Second (ls) = 655714037.6202974 Cubits (cubit)

1 Light-Second equals 655714037.6202974 cubits.

Light-Second to Span

1 ls = 1311428075.2405949 span

1 Light-Second (ls) = 1311428075.2405949 Spans (span)

1 Light-Second equals 1311428075.2405949 spans.

Light-Second to Hand

1 ls = 2950713169.291339 hh

1 Light-Second (ls) = 2950713169.291339 Hands (hh)

1 Light-Second equals 2950713169.291339 hands.

Light-Second to Palm

1 ls = 3934284225.7217846 palm

1 Light-Second (ls) = 3934284225.7217846 Palms (palm)

1 Light-Second equals 3934284225.7217846 palms.

Light-Second to Digit

1 ls = 15737136902.887138 digit

1 Light-Second (ls) = 15737136902.887138 Digits (digit)

1 Light-Second equals 15737136902.887138 digits.

Light-Second to Link

1 ls = 1490259176.409767 link

1 Light-Second (ls) = 1490259176.409767 Links (link)

1 Light-Second equals 1490259176.409767 links.

Light-Second to Ell

1 ls = 262285615.04811898 ell

1 Light-Second (ls) = 262285615.04811898 Ells (ell)

1 Light-Second equals 262285615.04811898 ells.

Light-Second to Barleycorn

1 ls = 35394623140.495865 barleycorn

1 Light-Second (ls) = 35394623140.495865 Barleycorns (barleycorn)

1 Light-Second equals 35394623140.495865 barleycorns.

Light-Second to Astronomical Unit

1 ls = 0.002003988804100004 AU

1 Light-Second (ls) = 0.002003988804100004 Astronomical Unit (AU)

1 Light-Second equals 0.002003988804100004 Astronomicalunit.

Light-Second to Light-Minute

1 ls = 0.016666666666666666 lm

1 Light-Second (ls) = 0.016666666666666666 Light-Minute (lm)

1 Light-Second equals 0.016666666666666666 Light-Minute.

Light-Second to Light-Hour

1 ls = 0.00027777777772630186 lh

1 Light-Second (ls) = 0.00027777777772630186 Light-Hour (lh)

1 Light-Second equals 0.00027777777772630186 Light-Hour.

Light-Second to Light-Day

1 ls = 0.000011574074074610283 ld

1 Light-Second (ls) = 0.000011574074074610283 Light-Day (ld)

1 Light-Second equals 0.000011574074074610283 Light-Day.

Light-Second to Light-Year

1 ls = 3.168808781402895e-8 ly

1 Light-Second (ls) = 3.168808781402895e-8 Light-Year (ly)

1 Light-Second equals 3.168808781402895e-8 Light-Year.

Light-Second to Parsec

1 ls = 9.715611890180188e-9 pc

1 Light-Second (ls) = 9.715611890180188e-9 Parsec (pc)

1 Light-Second equals 9.715611890180188e-9 Parsec.

Light-Second to Kiloparsec

1 ls = 9.715611890180188e-12 kpc

1 Light-Second (ls) = 9.715611890180188e-12 Kiloparsec (kpc)

1 Light-Second equals 9.715611890180188e-12 Kiloparsec.

Light-Second to Megaparsec

1 ls = 9.715611890180187e-15 Mpc

1 Light-Second (ls) = 9.715611890180187e-15 Megaparsec (Mpc)

1 Light-Second equals 9.715611890180187e-15 Megaparsec.

Light-Second to Gigaparsec

1 ls = 9.715611890180188e-18 Gpc

1 Light-Second (ls) = 9.715611890180188e-18 Gigaparsec (Gpc)

1 Light-Second equals 9.715611890180188e-18 Gigaparsec.

Light-Second to Nautical Mile

1 ls = 161874.97732181425 NM

1 Light-Second (ls) = 161874.97732181425 Nautical Miles (NM)

1 Light-Second equals 161874.97732181425 Nautical Miles.

Light-Second to Fathom

1 ls = 163928509.40507436 ftm

1 Light-Second (ls) = 163928509.40507436 Fathoms (ftm)

1 Light-Second equals 163928509.40507436 fathoms.

Light-Second to Cable Length

1 ls = 1366070.911708953 cable

1 Light-Second (ls) = 1366070.911708953 Cable Lengths (cable)

1 Light-Second equals 1366070.911708953 Cable Length s.

Light-Second to Nautical League

1 ls = 53958.325773938086 NL

1 Light-Second (ls) = 53958.325773938086 Nautical Leagues (NL)

1 Light-Second equals 53958.325773938086 Nautical Leagues.

Light-Second to Thou

1 ls = 11802852677165.354 mil

1 Light-Second (ls) = 11802852677165.354 Thous (mil)

1 Light-Second equals 11802852677165.354 thous.

Light-Second to Rod

1 ls = 59610367.05639067 rd

1 Light-Second (ls) = 59610367.05639067 Rods (rd)

1 Light-Second equals 59610367.05639067 rods.

Light-Second to Chain

1 ls = 14902591.764097668 ch

1 Light-Second (ls) = 14902591.764097668 Chains (ch)

1 Light-Second equals 14902591.764097668 chains.

Light-Second to Furlong

1 ls = 1490259.176409767 fur

1 Light-Second (ls) = 1490259.176409767 Furlongs (fur)

1 Light-Second equals 1490259.176409767 furlongs.

Light-Second to Mile

1 ls = 186282.39705122088 mi

1 Light-Second (ls) = 186282.39705122088 Miles (mi)

1 Light-Second equals 186282.39705122088 miles.

Light-Second to League

1 ls = 62094.13235040695 lea

1 Light-Second (ls) = 62094.13235040695 Leagues (lea)

1 Light-Second equals 62094.13235040695 leagues.

Convert Light-Year to Other Units

Light-Year to Inch

1 ly = 372469703644913400 in

1 Light-Year (ly) = 372469703644913400 Inches (in)

1 Light-Year equals 372469703644913400 inches.

Light-Year to Foot

1 ly = 31039141970409450 ft

1 Light-Year (ly) = 31039141970409450 Feet (ft)

1 Light-Year equals 31039141970409450 feet.

Light-Year to Feet

1 ly = 31039141970409450 ft

1 Light-Year (ly) = 31039141970409450 Feets (ft)

1 Light-Year equals 31039141970409450 feets.

Light-Year to Centimeter

1 ly = 946073047258080000 cm

1 Light-Year (ly) = 946073047258080000 Centimeters (cm)

1 Light-Year equals 946073047258080000 centimeters.

Light-Year to Meter

1 ly = 9460730472580800 m

1 Light-Year (ly) = 9460730472580800 Meters (m)

1 Light-Year equals 9460730472580800 meters.

Light-Year to Kilometer

1 ly = 9460730472580.8 km

1 Light-Year (ly) = 9460730472580.8 Kilometers (km)

1 Light-Year equals 9460730472580.8 kilometers.

Light-Year to Millimeter

1 ly = 9460730472580800000 mm

1 Light-Year (ly) = 9460730472580800000 Millimeters (mm)

1 Light-Year equals 9460730472580800000 millimeters.

Light-Year to Yard

1 ly = 10346380656803150 yd

1 Light-Year (ly) = 10346380656803150 Yards (yd)

1 Light-Year equals 10346380656803150 yards.

Light-Year to Yoctometer

1 ly = 9.460730472580801e+39 ym

1 Light-Year (ly) = 9.460730472580801e+39 Yoctometers (ym)

1 Light-Year equals 9.460730472580801e+39 yoctometers.

Light-Year to Zeptometer

1 ly = 9.4607304725808e+36 zm

1 Light-Year (ly) = 9.4607304725808e+36 Zeptometers (zm)

1 Light-Year equals 9.4607304725808e+36 zeptometers.

Light-Year to Attometer

1 ly = 9.4607304725808e+33 am

1 Light-Year (ly) = 9.4607304725808e+33 Attometers (am)

1 Light-Year equals 9.4607304725808e+33 attometers.

Light-Year to Femtometer

1 ly = 9.460730472580799e+30 fm

1 Light-Year (ly) = 9.460730472580799e+30 Femtometers (fm)

1 Light-Year equals 9.460730472580799e+30 femtometers.

Light-Year to Picometer

1 ly = 9.4607304725808e+27 pm

1 Light-Year (ly) = 9.4607304725808e+27 Picometers (pm)

1 Light-Year equals 9.4607304725808e+27 picometers.

Light-Year to Nanometer

1 ly = 9.4607304725808e+24 nm

1 Light-Year (ly) = 9.4607304725808e+24 Nanometers (nm)

1 Light-Year equals 9.4607304725808e+24 nanometers.

Light-Year to Micrometer

1 ly = 9.460730472580801e+21 µm

1 Light-Year (ly) = 9.460730472580801e+21 Micrometers (µm)

1 Light-Year equals 9.460730472580801e+21 micrometers.

Light-Year to Decimeter

1 ly = 94607304725808000 dm

1 Light-Year (ly) = 94607304725808000 Decimeters (dm)

1 Light-Year equals 94607304725808000 decimeters.

Light-Year to Decameter

1 ly = 946073047258080 dam

1 Light-Year (ly) = 946073047258080 Decameters (dam)

1 Light-Year equals 946073047258080 decameters.

Light-Year to Hectometer

1 ly = 94607304725808 hm

1 Light-Year (ly) = 94607304725808 Hectometers (hm)

1 Light-Year equals 94607304725808 hectometers.

Light-Year to Megameter

1 ly = 9460730472.5808 Mm

1 Light-Year (ly) = 9460730472.5808 Megameters (Mm)

1 Light-Year equals 9460730472.5808 megameters.

Light-Year to Gigameter

1 ly = 9460730.4725808 Gm

1 Light-Year (ly) = 9460730.4725808 Gigameters (Gm)

1 Light-Year equals 9460730.4725808 gigameters.

Light-Year to Terameter

1 ly = 9460.7304725808 Tm

1 Light-Year (ly) = 9460.7304725808 Terameters (Tm)

1 Light-Year equals 9460.7304725808 terameters.

Light-Year to Petameter

1 ly = 9.4607304725808 Pm

1 Light-Year (ly) = 9.4607304725808 Petameters (Pm)

1 Light-Year equals 9.4607304725808 petameters.

Light-Year to Exameter

1 ly = 0.0094607304725808 Em

1 Light-Year (ly) = 0.0094607304725808 Exameter (Em)

1 Light-Year equals 0.0094607304725808 exameter.

Light-Year to Zettameter

1 ly = 0.0000094607304725808 Zm

1 Light-Year (ly) = 0.0000094607304725808 Zettameter (Zm)

1 Light-Year equals 0.0000094607304725808 zettameter.

Light-Year to Yottameter

1 ly = 9.4607304725808e-9 Ym

1 Light-Year (ly) = 9.4607304725808e-9 Yottameter (Ym)

1 Light-Year equals 9.4607304725808e-9 yottameter.

Light-Year to Cubit

1 ly = 20692761313606300 cubit

1 Light-Year (ly) = 20692761313606300 Cubits (cubit)

1 Light-Year equals 20692761313606300 cubits.

Light-Year to Span

1 ly = 41385522627212600 span

1 Light-Year (ly) = 41385522627212600 Spans (span)

1 Light-Year equals 41385522627212600 spans.

Light-Year to Hand

1 ly = 93117425911228350 hh

1 Light-Year (ly) = 93117425911228350 Hands (hh)

1 Light-Year equals 93117425911228350 hands.

Light-Year to Palm

1 ly = 124156567881637800 palm

1 Light-Year (ly) = 124156567881637800 Palms (palm)

1 Light-Year equals 124156567881637800 palms.

Light-Year to Digit

1 ly = 496626271526551200 digit

1 Light-Year (ly) = 496626271526551200 Digits (digit)

1 Light-Year equals 496626271526551200 digits.

Light-Year to Link

1 ly = 47029002985468856 link

1 Light-Year (ly) = 47029002985468856 Links (link)

1 Light-Year equals 47029002985468856 links.

Light-Year to Ell

1 ly = 8277104525442520 ell

1 Light-Year (ly) = 8277104525442520 Ells (ell)

1 Light-Year equals 8277104525442520 ells.

Light-Year to Barleycorn

1 ly = 1116969359218512400 barleycorn

1 Light-Year (ly) = 1116969359218512400 Barleycorns (barleycorn)

1 Light-Year equals 1116969359218512400 barleycorns.

Light-Year to Astronomical Unit

1 ly = 63241.07708426628 AU

1 Light-Year (ly) = 63241.07708426628 Astronomical Units (AU)

1 Light-Year equals 63241.07708426628 Astronomicalunits.

Light-Year to Light-Second

1 ly = 31557600 ls

1 Light-Year (ly) = 31557600 Light-Seconds (ls)

1 Light-Year equals 31557600 Light-Seconds.

Light-Year to Light-Minute

1 ly = 525960 lm

1 Light-Year (ly) = 525960 Light-Minutes (lm)

1 Light-Year equals 525960 Light-Minutes.

Light-Year to Light-Hour

1 ly = 8765.999998375542 lh

1 Light-Year (ly) = 8765.999998375542 Light-Hours (lh)

1 Light-Year equals 8765.999998375542 Light-Hours.

Light-Year to Light-Day

1 ly = 365.25000001692143 ld

1 Light-Year (ly) = 365.25000001692143 Light-Days (ld)

1 Light-Year equals 365.25000001692143 Light-Days.

Light-Year to Parsec

1 ly = 0.3066013937855503 pc

1 Light-Year (ly) = 0.3066013937855503 Parsec (pc)

1 Light-Year equals 0.3066013937855503 Parsec.

Light-Year to Kiloparsec

1 ly = 0.0003066013937855503 kpc

1 Light-Year (ly) = 0.0003066013937855503 Kiloparsec (kpc)

1 Light-Year equals 0.0003066013937855503 Kiloparsec.

Light-Year to Megaparsec

1 ly = 3.066013937855503e-7 Mpc

1 Light-Year (ly) = 3.066013937855503e-7 Megaparsec (Mpc)

1 Light-Year equals 3.066013937855503e-7 Megaparsec.

Light-Year to Gigaparsec

1 ly = 3.066013937855503e-10 Gpc

1 Light-Year (ly) = 3.066013937855503e-10 Gigaparsec (Gpc)

1 Light-Year equals 3.066013937855503e-10 Gigaparsec.

Light-Year to Nautical Mile

1 ly = 5108385784330.886 NM

1 Light-Year (ly) = 5108385784330.886 Nautical Miles (NM)

1 Light-Year equals 5108385784330.886 Nautical Miles.

Light-Year to Fathom

1 ly = 5173190328401575 ftm

1 Light-Year (ly) = 5173190328401575 Fathoms (ftm)

1 Light-Year equals 5173190328401575 fathoms.

Light-Year to Cable Length

1 ly = 43109919403346.46 cable

1 Light-Year (ly) = 43109919403346.46 Cable Lengths (cable)

1 Light-Year equals 43109919403346.46 Cable Length s.

Light-Year to Nautical League

1 ly = 1702795261443.6284 NL

1 Light-Year (ly) = 1702795261443.6284 Nautical Leagues (NL)

1 Light-Year equals 1702795261443.6284 Nautical Leagues.

Light-Year to Thou

1 ly = 372469703644913400000 mil

1 Light-Year (ly) = 372469703644913400000 Thous (mil)

1 Light-Year equals 372469703644913400000 thous.

Light-Year to Rod

1 ly = 1881160119418754.2 rd

1 Light-Year (ly) = 1881160119418754.2 Rods (rd)

1 Light-Year equals 1881160119418754.2 rods.

Light-Year to Chain

1 ly = 470290029854688.56 ch

1 Light-Year (ly) = 470290029854688.56 Chains (ch)

1 Light-Year equals 470290029854688.56 chains.

Light-Year to Furlong

1 ly = 47029002985468.86 fur

1 Light-Year (ly) = 47029002985468.86 Furlongs (fur)

1 Light-Year equals 47029002985468.86 furlongs.

Light-Year to Mile

1 ly = 5878625373183.607 mi

1 Light-Year (ly) = 5878625373183.607 Miles (mi)

1 Light-Year equals 5878625373183.607 miles.

Light-Year to League

1 ly = 1959541791061.2026 lea

1 Light-Year (ly) = 1959541791061.2026 Leagues (lea)

1 Light-Year equals 1959541791061.2026 leagues.