kilometre → light-year
1 kilometre = 1.0570e-13 light-years; 1 light-year = 9,460,730,472,580.8 kilometres.
kilometre to light-year
1 km = 1.0570e-13 ly
kilometre → light-year conversion table
| kilometre (km) | light-year (ly) |
|---|---|
| 1 | 1.0570e-13 |
| 2 | 2.1140e-13 |
| 3 | 3.1710e-13 |
| 5 | 5.2850e-13 |
| 8 | 8.4560e-13 |
| 10 | 1.0570e-12 |
| 15 | 1.5855e-12 |
| 20 | 2.1140e-12 |
| 25 | 2.6425e-12 |
| 30 | 3.1710e-12 |
| 40 | 4.2280e-12 |
| 50 | 5.2850e-12 |
| 60 | 6.3420e-12 |
| 80 | 8.4560e-12 |
| 100 | 1.0570e-11 |
Formula and notes
1 kilometre = 1.0570e-13 light-years; conversely, 1 light-year = 9,460,730,472,580.8 kilometres.
The converter uses the base unit method: kilometre has a factor of 1000 and light-year has a factor of 9460730472580800, so the target value = source value × (1000 ÷ 9460730472580800).
Length and area converters use exact international definitions, so results are consistent across calculators.
Other length conversions
kilometre to light-year FAQ
How do I convert light-year to kilometre?
Multiply the value in light-year by 9,460,730,472,580.8 to get kilometre.
Is the conversion exact?
Yes. Every unit is defined by a fixed factor relative to the base unit, so the result is exact apart from rounding.