Length converter
Light-Year Converter
Convert light-years to kilometers for interstellar distance comparisons.
From
To
Result
1 ly = 9.460730e+12 km
Also equals
9.460730e+15m
3.103914e+16ft
3.724697e+17in
9.460730e+17cm
9.460730e+12km
5.878625e+12mi
9.460730e+18mm
1.034638e+16yd
Conversion formula
km = ly × 9,460,730,472,580.81 light-year equals 9.46073047e+12 km.
Light-year to Kilometer table
| Light-year (ly) | Kilometer (km) |
|---|---|
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
About this conversion
This converter uses the displayed definition for light-year and its recognized relationship to kilometer. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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Convert Light-year to other length units
Light-year to NanometerLight-year to PicometerLight-year to MicrometerLight-year to MillimeterLight-year to CentimeterLight-year to DecimeterLight-year to MeterLight-year to DekameterLight-year to HectometerLight-year to KilometerLight-year to MegameterLight-year to GigameterLight-year to TerameterLight-year to PetameterLight-year to ExameterLight-year to InchLight-year to FootLight-year to YardLight-year to MileLight-year to Nautical MileLight-year to FurlongLight-year to ChainLight-year to RodLight-year to Statute LeagueLight-year to Astronomical UnitLight-year to ParsecLight-year to KiloparsecLight-year to MegaparsecLight-year to FemtometerLight-year to AttometerLight-year to AngstromLight-year to Bohr RadiusLight-year to X-unitLight-year to FermiLight-year to Planck LengthLight-year to Electron RadiusLight-year to Nautical Mile (UK)Light-year to Nautical League (Int.)Light-year to Nautical League (UK)Light-year to Statute LeagueLight-year to Mile (Statute)Light-year to Mile (Roman)Light-year to KiloyardLight-year to Furlong (US Survey)Light-year to Chain (US Survey)Light-year to RopeLight-year to Rod (US Survey)Light-year to FathomLight-year to Fathom (US Survey)Light-year to EllLight-year to Foot (US Survey)Light-year to LinkLight-year to Link (US Survey)Light-year to Cubit (UK)Light-year to HandLight-year to Span (Cloth)Light-year to Finger (Cloth)Light-year to Nail (Cloth)Light-year to Inch (US Survey)Light-year to BarleycornLight-year to Mil (Thou)Light-year to MicroinchLight-year to Bohr Radius (a.u.)Light-year to PicaLight-year to PointLight-year to TwipLight-year to AlnLight-year to FamnLight-year to CaliberLight-year to CentiinchLight-year to KenLight-year to Russian ArchinLight-year to Roman ActusLight-year to Vara de TareaLight-year to Vara ConuqueraLight-year to Vara CastellanaLight-year to Cubit (Greek)Light-year to Long ReedLight-year to ReedLight-year to Long CubitLight-year to HandbreadthLight-year to FingerbreadthLight-year to ArpentLight-year to Earth Equatorial RadiusLight-year to Earth Polar RadiusLight-year to Earth–Sun DistanceLight-year to Sun's Radius
Frequently asked questions
How do I convert light-years to kilometers?+
Enter the light-years value in the converter. The result uses the defined factor 9.46073047258e+12 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
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