Convert Light-Day to Light-Year Online

About Light-Day to Light-Year Conversion

This converter converts Light-Day (ld) to Light-Year (ly). One Light-Day (ld) equals 0.0027378507870052613 Light-Year (ly).

Formula:

1 Light-Day (ld) = 0.0027378507870052613 Light-Year (ly)

Example:

1 ld = 0.0027378507870052613 ly
2 ld = 0.005475701574010523 ly

Light-Day (ld) to Light-Year (ly) Conversion

Light-Day 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-Day × 0.002738

To convert Light-Day (ld) to Light-Year (ly), multiply the value by 0.002738. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 ld to ly.

  • Step 1: Write the formula: ly = ld × 0.002738
  • Step 2: Substitute: 1 × 0.002738
  • Step 3: Result: 0.002738 ly
So, 1 ld = 0.002738 ly.

About the Units

Light-Day (ld)

One Light-Day (ld) equals 0.002738 Light-Year (ly)

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

Light-Year (ly)

One Light-Year (ly) equals 365.25 Light-Day (ld)

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

Where This Conversion Is Used

  • Converting values from Light-Day 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-Day (ld)?

1 ld = 0.002738 ly.

What is the formula for converting Light-Day (ld) to Light-Year (ly)?

Multiply the ld value by 0.002738.

Can I reverse the conversion?

Yes. 1 ly = 365.25 ld.

Conclusion

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

Quick Links for Unit Converters

Convert Light-Day to Other Units

Light-Day to Inch

1 ld = 1019766471259842.5 in

1 Light-Day (ld) = 1019766471259842.5 Inches (in)

1 Light-Day equals 1019766471259842.5 inches.

Light-Day to Foot

1 ld = 84980539271653.53 ft

1 Light-Day (ld) = 84980539271653.53 Feet (ft)

1 Light-Day equals 84980539271653.53 feet.

Light-Day to Feet

1 ld = 84980539271653.53 ft

1 Light-Day (ld) = 84980539271653.53 Feets (ft)

1 Light-Day equals 84980539271653.53 feets.

Light-Day to Centimeter

1 ld = 2590206837000000 cm

1 Light-Day (ld) = 2590206837000000 Centimeters (cm)

1 Light-Day equals 2590206837000000 centimeters.

Light-Day to Meter

1 ld = 25902068370000 m

1 Light-Day (ld) = 25902068370000 Meters (m)

1 Light-Day equals 25902068370000 meters.

Light-Day to Kilometer

1 ld = 25902068370 km

1 Light-Day (ld) = 25902068370 Kilometers (km)

1 Light-Day equals 25902068370 kilometers.

Light-Day to Millimeter

1 ld = 25902068370000000 mm

1 Light-Day (ld) = 25902068370000000 Millimeters (mm)

1 Light-Day equals 25902068370000000 millimeters.

Light-Day to Yard

1 ld = 28326846423884.516 yd

1 Light-Day (ld) = 28326846423884.516 Yards (yd)

1 Light-Day equals 28326846423884.516 yards.

Light-Day to Yoctometer

1 ld = 2.590206837e+37 ym

1 Light-Day (ld) = 2.590206837e+37 Yoctometers (ym)

1 Light-Day equals 2.590206837e+37 yoctometers.

Light-Day to Zeptometer

1 ld = 2.590206837e+34 zm

1 Light-Day (ld) = 2.590206837e+34 Zeptometers (zm)

1 Light-Day equals 2.590206837e+34 zeptometers.

Light-Day to Attometer

1 ld = 2.5902068369999997e+31 am

1 Light-Day (ld) = 2.5902068369999997e+31 Attometers (am)

1 Light-Day equals 2.5902068369999997e+31 attometers.

Light-Day to Femtometer

1 ld = 2.5902068369999996e+28 fm

1 Light-Day (ld) = 2.5902068369999996e+28 Femtometers (fm)

1 Light-Day equals 2.5902068369999996e+28 femtometers.

Light-Day to Picometer

1 ld = 2.590206837e+25 pm

1 Light-Day (ld) = 2.590206837e+25 Picometers (pm)

1 Light-Day equals 2.590206837e+25 picometers.

Light-Day to Nanometer

1 ld = 2.590206837e+22 nm

1 Light-Day (ld) = 2.590206837e+22 Nanometers (nm)

1 Light-Day equals 2.590206837e+22 nanometers.

Light-Day to Micrometer

1 ld = 25902068370000003000 µm

1 Light-Day (ld) = 25902068370000003000 Micrometers (µm)

1 Light-Day equals 25902068370000003000 micrometers.

Light-Day to Decimeter

1 ld = 259020683700000 dm

1 Light-Day (ld) = 259020683700000 Decimeters (dm)

1 Light-Day equals 259020683700000 decimeters.

Light-Day to Decameter

1 ld = 2590206837000 dam

1 Light-Day (ld) = 2590206837000 Decameters (dam)

1 Light-Day equals 2590206837000 decameters.

Light-Day to Hectometer

1 ld = 259020683700 hm

1 Light-Day (ld) = 259020683700 Hectometers (hm)

1 Light-Day equals 259020683700 hectometers.

Light-Day to Megameter

1 ld = 25902068.37 Mm

1 Light-Day (ld) = 25902068.37 Megameters (Mm)

1 Light-Day equals 25902068.37 megameters.

Light-Day to Gigameter

1 ld = 25902.06837 Gm

1 Light-Day (ld) = 25902.06837 Gigameters (Gm)

1 Light-Day equals 25902.06837 gigameters.

Light-Day to Terameter

1 ld = 25.90206837 Tm

1 Light-Day (ld) = 25.90206837 Terameters (Tm)

1 Light-Day equals 25.90206837 terameters.

Light-Day to Petameter

1 ld = 0.02590206837 Pm

1 Light-Day (ld) = 0.02590206837 Petameter (Pm)

1 Light-Day equals 0.02590206837 petameter.

Light-Day to Exameter

1 ld = 0.00002590206837 Em

1 Light-Day (ld) = 0.00002590206837 Exameter (Em)

1 Light-Day equals 0.00002590206837 exameter.

Light-Day to Zettameter

1 ld = 2.590206837e-8 Zm

1 Light-Day (ld) = 2.590206837e-8 Zettameter (Zm)

1 Light-Day equals 2.590206837e-8 zettameter.

Light-Day to Yottameter

1 ld = 2.5902068370000002e-11 Ym

1 Light-Day (ld) = 2.5902068370000002e-11 Yottameter (Ym)

1 Light-Day equals 2.5902068370000002e-11 yottameter.

Light-Day to Cubit

1 ld = 56653692847769.03 cubit

1 Light-Day (ld) = 56653692847769.03 Cubits (cubit)

1 Light-Day equals 56653692847769.03 cubits.

Light-Day to Span

1 ld = 113307385695538.06 span

1 Light-Day (ld) = 113307385695538.06 Spans (span)

1 Light-Day equals 113307385695538.06 spans.

Light-Day to Hand

1 ld = 254941617814960.62 hh

1 Light-Day (ld) = 254941617814960.62 Hands (hh)

1 Light-Day equals 254941617814960.62 hands.

Light-Day to Palm

1 ld = 339922157086614.1 palm

1 Light-Day (ld) = 339922157086614.1 Palms (palm)

1 Light-Day equals 339922157086614.1 palms.

Light-Day to Digit

1 ld = 1359688628346456.5 digit

1 Light-Day (ld) = 1359688628346456.5 Digits (digit)

1 Light-Day equals 1359688628346456.5 digits.

Light-Day to Link

1 ld = 128758392835838.69 link

1 Light-Day (ld) = 128758392835838.69 Links (link)

1 Light-Day equals 128758392835838.69 links.

Light-Day to Ell

1 ld = 22661477139107.61 ell

1 Light-Day (ld) = 22661477139107.61 Ells (ell)

1 Light-Day equals 22661477139107.61 ells.

Light-Day to Barleycorn

1 ld = 3058095439197166.5 barleycorn

1 Light-Day (ld) = 3058095439197166.5 Barleycorns (barleycorn)

1 Light-Day equals 3058095439197166.5 barleycorns.

Light-Day to Astronomical Unit

1 ld = 173.14463266621883 AU

1 Light-Day (ld) = 173.14463266621883 Astronomical Units (AU)

1 Light-Day equals 173.14463266621883 Astronomicalunits.

Light-Day to Light-Second

1 ld = 86399.99999599723 ls

1 Light-Day (ld) = 86399.99999599723 Light-Seconds (ls)

1 Light-Day equals 86399.99999599723 Light-Seconds.

Light-Day to Light-Minute

1 ld = 1439.9999999332872 lm

1 Light-Day (ld) = 1439.9999999332872 Light-Minutes (lm)

1 Light-Day equals 1439.9999999332872 Light-Minutes.

Light-Day to Light-Hour

1 ld = 23.9999999944406 lh

1 Light-Day (ld) = 23.9999999944406 Light-Hours (lh)

1 Light-Day equals 23.9999999944406 Light-Hours.

Light-Day to Light-Year

1 ld = 0.0027378507870052613 ly

1 Light-Day (ld) = 0.0027378507870052613 Light-Year (ly)

1 Light-Day equals 0.0027378507870052613 Light-Year.

Light-Day to Parsec

1 ld = 0.0008394288672726788 pc

1 Light-Day (ld) = 0.0008394288672726788 Parsec (pc)

1 Light-Day equals 0.0008394288672726788 Parsec.

Light-Day to Kiloparsec

1 ld = 8.394288672726789e-7 kpc

1 Light-Day (ld) = 8.394288672726789e-7 Kiloparsec (kpc)

1 Light-Day equals 8.394288672726789e-7 Kiloparsec.

Light-Day to Megaparsec

1 ld = 8.394288672726788e-10 Mpc

1 Light-Day (ld) = 8.394288672726788e-10 Megaparsec (Mpc)

1 Light-Day equals 8.394288672726788e-10 Megaparsec.

Light-Day to Gigaparsec

1 ld = 8.394288672726789e-13 Gpc

1 Light-Day (ld) = 8.394288672726789e-13 Gigaparsec (Gpc)

1 Light-Day equals 8.394288672726789e-13 Gigaparsec.

Light-Day to Nautical Mile

1 ld = 13985998039.956804 NM

1 Light-Day (ld) = 13985998039.956804 Nautical Miles (NM)

1 Light-Day equals 13985998039.956804 Nautical Miles.

Light-Day to Fathom

1 ld = 14163423211942.258 ftm

1 Light-Day (ld) = 14163423211942.258 Fathoms (ftm)

1 Light-Day equals 14163423211942.258 fathoms.

Light-Day to Cable Length

1 ld = 118028526766.18549 cable

1 Light-Day (ld) = 118028526766.18549 Cable Lengths (cable)

1 Light-Day equals 118028526766.18549 Cable Length s.

Light-Day to Nautical League

1 ld = 4661999346.652267 NL

1 Light-Day (ld) = 4661999346.652267 Nautical Leagues (NL)

1 Light-Day equals 4661999346.652267 Nautical Leagues.

Light-Day to Thou

1 ld = 1019766471259842400 mil

1 Light-Day (ld) = 1019766471259842400 Thous (mil)

1 Light-Day equals 1019766471259842400 thous.

Light-Day to Rod

1 ld = 5150335713433.548 rd

1 Light-Day (ld) = 5150335713433.548 Rods (rd)

1 Light-Day equals 5150335713433.548 rods.

Light-Day to Chain

1 ld = 1287583928358.387 ch

1 Light-Day (ld) = 1287583928358.387 Chains (ch)

1 Light-Day equals 1287583928358.387 chains.

Light-Day to Furlong

1 ld = 128758392835.8387 fur

1 Light-Day (ld) = 128758392835.8387 Furlongs (fur)

1 Light-Day equals 128758392835.8387 furlongs.

Light-Day to Mile

1 ld = 16094799104.479837 mi

1 Light-Day (ld) = 16094799104.479837 Miles (mi)

1 Light-Day equals 16094799104.479837 miles.

Light-Day to League

1 ld = 5364933034.826612 lea

1 Light-Day (ld) = 5364933034.826612 Leagues (lea)

1 Light-Day equals 5364933034.826612 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.