How to Convert Light-years to Kilometers
To convert from Light-years (ly) to Kilometers (km), apply the following formula:
km = ly × 9.461 × 10¹²
Example: 1 ly = 9.461 trillion km
Quick Reference Table
Common light-years to kilometers conversions:
| Light-years (ly) | Kilometers (km) |
|---|---|
| 1 ly | 9.461 km |
| 2 ly | 18.922 km |
| 5 ly | 47.305 km |
| 10 ly | 94.61 km |
| 25 ly | 236.525 km |
| 50 ly | 473.05 km |
| 100 ly | 946.1 km |
| 250 ly | 2365.25 km |
| 500 ly | 4730.5 km |
| 1000 ly | 9461 km |
Use our converter above for precise values at any input.
About Light-years and Kilometers
Light-years (ly) and Kilometers (km) are both length units used in different measurement systems around the world. Our free converter lets you convert any value between them instantly without needing to remember the conversion factor.