light years to kilometers
Convert light year to kilometer — instant, free, with the formula shown.
1 ly=9.4607e+12 km
How to convert light year to kilometer
To convert light year to kilometer, multiply by 9.4607e+12:
km = ly × 9.4607e+12
For example, 10 ly × 9.4607e+12 = 9.4607e+13 km.
ly to km conversion table
| light years (ly) | kilometers (km) |
|---|---|
| 1 ly | 9.4607e+12 km |
| 2 ly | 1.8921e+13 km |
| 5 ly | 4.7304e+13 km |
| 10 ly | 9.4607e+13 km |
| 25 ly | 2.3652e+14 km |
| 50 ly | 4.7304e+14 km |
| 100 ly | 9.4607e+14 km |
| 250 ly | 2.3652e+15 km |
| 500 ly | 4.7304e+15 km |
| 1000 ly | 9.4607e+15 km |
Other light year conversions
Convert to kilometer from another unit
ly to km — frequently asked
How many kilometers are in 1 light year?
1 light year = 9.4607e+12 kilometers (ly × 9.4607e+12 = km).
What is the formula to convert light year to kilometer?
Multiply your light year value by 9.4607e+12 to get kilometer.
How do I convert 10 light years to kilometers?
10 ly = 9.4607e+13 km. For 100 ly the answer is 9.4607e+14 km. Use the calculator on this page for any other value.