logo

Conversion Calculator

Home
Length Converter
Kilometer to Light Year

Convert Kilometer (km) to Light Year (ly)

Please provide values below to convert Kilometer (km) to Light Year (ly).
Length Converter

Convert from

Convert to

      **Formula:

      Discover Other Unit Converters
      Try Other Length Converters
      Angstrom to CentimeterAngstrom to FootAngstrom to InchAngstrom to KilometerAngstrom to MeterAngstrom to MicrometerAngstrom to MillimeterAngstrom to NanometerAngstrom to PicometerAstronomical Unit to AngstromAstronomical Unit to CentimeterAstronomical Unit to FootAstronomical Unit to KilometerAstronomical Unit to Light YearAstronomical Unit to MeterAstronomical Unit to Mile
      Updated on September 1, 2025

      About Kilometer (km) to Light Year (ly) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
      Share This Post
      You can use our Kilometer (km) to Light Year (ly) conversion calculator as a reliable and efficient tool to simplify length conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Kilometer (km) to Light Year (ly) is crucial in Space measurement related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Kilometer (km) to Light Year (ly) converter.

      Relation Between Kilometer (km) and Light Year (ly)

      Let me explain to you about the relation between Kilometer km and Light Year (ly) first before moving to the conversion process. Because it’s essential to grasp what these units represent.

      What is Kilometer (km)?

      A kilometer is a unit of length equal to 1,000 meters. Kilometer (km) is a unit of length measurement which is commonly used in Space measurement. Commonly used in the metric system for measuring large distances like roads. Preferred for scientific and everyday use globally, except in the US..

      What is Light Year (ly)?

      Kilometer (km) is another unit of length measurement that is used in Length measurement. A light year is the distance light travels in one year, approximately 9.461×1012 km.. Commonly used in the metric system for measuring large distances like roads. Preferred for scientific and everyday use globally, except in the US..

      How to Convert Light Year (ly)?

      The conversion between Kilometer (km) and Light Year (ly) follows a simple formula:

      Kilometer = Kilometer × 1.0570008340246155e-13

      Where, 1.0570008340246155e-13 is the value that allows you to convert between Kilometer (km) and Light Year (ly).

      So,

      1 Light Year = 1.0570008340246155e-13 Kilometer

      And, 1 Kilometer = 1/1.0570008340246155e-13 Light Year
      alt

      Examples of Converting Kilometer (km) to Light Year (ly)

      To convert any value from Kilometer (km) to Light Year (ly), simply multiply the amount of Kilometer (km) by the conversion factor:

      1 Light Year = 1.0570008340246155e-13 Kilometer

      For example, if you want to convert 5 Kilometer into Light Year and the conversion factor is 1.0570008340246155e-13, then:

      5 Kilometer = 5 x 1.0570008340246155e-13 Light Year

      Kilometer (km) to Light Year (ly) Conversion Chart

      Here’s a quick reference chart for common conversions between Kilometer (km) and Light Year (ly)
      Kilometer (km)Light Year (ly)
      1000 Kilometer (km)1.0570008340246154e-10 Light Year (ly)
      10000 Kilometer (km)1.0570008340246154e-9 Light Year (ly)
      100000 Kilometer (km)1.0570008340246154e-8 Light Year (ly)
      1000000 Kilometer (km)1.0570008340246155e-7 Light Year (ly)
      10000000 Kilometer (km)0.0000010570008340246155 Light Year (ly)
      100000000 Kilometer (km)0.000010570008340246154 Light Year (ly)
      1000000000 Kilometer (km)0.00010570008340246155 Light Year (ly)
      10000000000 Kilometer (km)0.0010570008340246154 Light Year (ly)
      100000000000 Kilometer (km)0.010570008340246155 Light Year (ly)
      1000000000000 Kilometer (km)0.10570008340246155 Light Year (ly)
      You can use the above chart for quick and easy reference.

      How 1 Kilometer (km) Converts to Other length Units

      See the relation between Kilometer (km) and other length related measurement units:
      1 Kilometer(km)10000000000000.000000 Angstrom (Å)
      1 Kilometer(km)0.000000 Astronomical Unit (au)
      1 Kilometer(km)5.399568 Cables
      1 Kilometer(km)100000.000000 Centimeter (cm)
      1 Kilometer(km)10000.000000 Decimeter (dm)
      1 Kilometer(km)874.890639 Ells (ells)
      1 Kilometer(km)864000.000000 Ems (ems)
      1 Kilometer(km)546.806649 Fathom
      1 Kilometer(km)3280.839895 Foot (ft)
      1 Kilometer(km)4.970970 Furlong
      1 Kilometer(km)9842.519685 Hand
      1 Kilometer(km)10.000000 Hectometer (hm)
      1 Kilometer(km)39370.078740 Inch (in)
      1 Kilometer(km)1000.000000 Meter (m)
      1 Kilometer(km)1000000000.000000 Micrometer (µm)
      1 Kilometer(km)39370078.740157 Mil (mil)
      1 Kilometer(km)0.621371 Mile (mi)
      1 Kilometer(km)1000000.000000 Millimeter (mm)
      1 Kilometer(km)1000000000000.000000 Nanometer (nm)
      1 Kilometer(km)0.000000 Parsec (pc)
      1 Kilometer(km)1000000000000000.000000 Picometer (pm)
      1 Kilometer(km)39370078.740157 Thou
      1 Kilometer(km)1093.613298 Yard (yd)

      Features of Our Kilometer (km) to Light Year (ly) Conversion Calculator

      Our Kilometer km to Light Year (ly) converter is more than just a basic converter. Here's what makes it stand out:

      Output Precision Control

      You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.

      Customizable Rounding Options

      You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.

      Multiple Number Formats

      Display your results the way you want:
      1. Standard format (e.g. 12.345245)
      2. Scientific notation (e.g. 1.23452e+1)
      3. Engineering format (e.g. 1.23452 × 10^1)

      Integrated Scientific Calculator

      We know you need to switch between a unit converter and a general calculator back and forth. To minimize your hassle, our Kilometer km to Light Year (ly) converter comes up with an integrated scientific calculator.

      Conversion History Tracking

      You can always review your past length conversions and go to them whenever you like. It stores your most recent 10 unit conversions.

      Thousand Separators Toggle

      Our Kilometer km to Light Year (ly) converter improves the output readability by toggling the thousand separators “On”. It’s useful when you work with large numbers.

      Conclusion

      Now, you understand how to convert Kilometer km to Light Year (ly) manually. But you can bypass the manual calculation using our length conversion calculator. This allows you to get faster and accurate results in Light Year (ly), which you can use in Space measurement related measurements. With the help of our integrated scientific calculator, calculation history tracking, and precision control, our Kilometer km to Light Year (ly) converter is your swiss army knife for daily calculations.
      Explore Other Unit Converters
      AngleAreaDataEnergyForceNumberPowerPressureSpeedTemperatureTimeVolumeWeight

      Frequently Asked Questions [FAQs]