1 km = 1.0570008340246E-13 ly
1 Kilometer (km) = 1.0570008340246E-13 Lightyear (ly).
If you want to reverse convert, use Lightyear → Kilometer. 1 ly = 9460730472580.8 km. You can also explore the full Length converter page for more cross conversions.
Conversion formula
Kilometer to Lightyear formula: value in ly = value in km × 1.0570008340246E-13.
Lightyear to Kilometer formula: value in km = value in ly × 9460730472580.8.
How to convert Kilometer to Lightyear
To convert Kilometer to Lightyear, multiply the value in km by 1.0570008340246E-13. This gives the result in ly.
For example, 1 km = 1.0570008340246E-13 ly and 10 km = 1.0570008340246E-12 ly.
What is Kilometer?
Kilometer (km): A thousand metres. It is used for road distances, journeys between cities and walking routes, avoiding very large numbers in centimetres. 1 km = 1000 m = 100000 cm.
What is Lightyear?
Lightyear (ly): The distance light travels in vacuum during one Julian year. Despite its name, it measures distance rather than time and is used between stars. 1 ly = 9460730472580800 m.
FAQ
How many lightyear are in 1 kilometer?
There are 1.0570008340246E-13 ly in 1 km.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert kilometer to lightyear?
Multiply the value in km by 1.0570008340246E-13 to get the value in ly.
Kilometer → other Length units
- 1 kilometer → meter = 1000 meter
- 1 kilometer → decimeter = 10000 decimeter
- 1 kilometer → centimeter = 100000 centimeter
- 1 kilometer = 1000000 millimeter
- 1 kilometer = 1000000000 micrometer
- 1 kilometer = 1000000000000 nanometer
- 1 kilometer = 1.0E+15 picometer
- 1 kilometer → nautical mile = 0.53995680345572 nautical mile
- 1 kilometer → mile = 0.62137119223733 mile
- 1 kilometer → fathom = 546.80664916885 fathom
- 1 kilometer → yard = 1093.6132983377 yard
- 1 kilometer → feet = 3280.8398950131 feet
- 1 kilometer → inch = 39370.078740157 inch
- 1 kilometer → hand = 9842.5196850394 hand
- 1 kilometer = 6.6845871222684E-9 astronomical unit
- 1 kilometer = 1.0570008340246E-13 lightyear
- 1 kilometer = 3.2407792894443E-14 parsec
Kilometer → Lightyear Table
The table below shows common values from Kilometer to Lightyear and the reverse direction for quick reference.
| km | ly | Rounded |
|---|---|---|
| 1 km | 1.0570008340246E-13 ly | 0.0000 |
| 2 km | 2.1140016680492E-13 ly | 0.0000 |
| 3 km | 3.1710025020738E-13 ly | 0.0000 |
| 4 km | 4.2280033360985E-13 ly | 0.0000 |
| 5 km | 5.2850041701231E-13 ly | 0.0000 |
| 10 km | 1.0570008340246E-12 ly | 0.0000 |
| 12 km | 1.2684010008295E-12 ly | 0.0000 |
| 15 km | 1.5855012510369E-12 ly | 0.0000 |
| 20 km | 2.1140016680492E-12 ly | 0.0000 |
| 25 km | 2.6425020850615E-12 ly | 0.0000 |
| 30 km | 3.1710025020738E-12 ly | 0.0000 |
| 40 km | 4.2280033360985E-12 ly | 0.0000 |
| 50 km | 5.2850041701231E-12 ly | 0.0000 |
| 75 km | 7.9275062551846E-12 ly | 0.0000 |
| 100 km | 1.0570008340246E-11 ly | 0.0000 |
| 200 km | 2.1140016680492E-11 ly | 0.0000 |
| 250 km | 2.6425020850615E-11 ly | 0.0000 |
| 500 km | 5.2850041701231E-11 ly | 0.0000 |
| 750 km | 7.9275062551846E-11 ly | 0.0000 |
| 1000 km | 1.0570008340246E-10 ly | 0.0000 |
| 2500 km | 2.6425020850615E-10 ly | 0.0000 |
| 5000 km | 5.2850041701231E-10 ly | 0.0000 |
| 10000 km | 1.0570008340246E-9 ly | 0.0000 |
Lightyear → Kilometer Table
| ly | km | Rounded |
|---|---|---|
| 1 ly | 9460730472580.8 km | 9460730472580.8008 |
| 2 ly | 18921460945162 km | 18921460945161.6016 |
| 3 ly | 28382191417742 km | 28382191417742.3984 |
| 4 ly | 37842921890323 km | 37842921890323.2031 |
| 5 ly | 47303652362904 km | 47303652362904.0000 |
| 10 ly | 94607304725808 km | 94607304725808.0000 |
| 12 ly | 1.1352876567097E+14 km | 113528765670969.5938 |
| 15 ly | 1.4191095708871E+14 km | 141910957088712.0000 |
| 20 ly | 1.8921460945162E+14 km | 189214609451616.0000 |
| 25 ly | 2.3651826181452E+14 km | 236518261814520.0000 |
| 30 ly | 2.8382191417742E+14 km | 283821914177424.0000 |
| 40 ly | 3.7842921890323E+14 km | 378429218903232.0000 |
| 50 ly | 4.7303652362904E+14 km | 473036523629040.0000 |
| 75 ly | 7.0955478544356E+14 km | 709554785443559.8750 |
| 100 ly | 9.4607304725808E+14 km | 946073047258080.0000 |
| 200 ly | 1.8921460945162E+15 km | 1892146094516160.0000 |
| 250 ly | 2.3651826181452E+15 km | 2365182618145200.0000 |
| 500 ly | 4.7303652362904E+15 km | 4730365236290400.0000 |
| 750 ly | 7.0955478544356E+15 km | 7095547854435600.0000 |
| 1000 ly | 9.4607304725808E+15 km | 9460730472580800.0000 |
| 2500 ly | 2.3651826181452E+16 km | 23651826181452000.0000 |
| 5000 ly | 4.7303652362904E+16 km | 47303652362904000.0000 |
| 10000 ly | 9.4607304725808E+16 km | 94607304725808000.0000 |
Lightyear → Kilometer
The reverse value is 1 ly = 9460730472580.8 km.