kilometers to light years
Convert kilometer to light year — instant, free, with the formula shown.
1 km=1.0570e-13 ly
How to convert kilometer to light year
To convert kilometer to light year, multiply by 1.0570e-13:
ly = km × 1.0570e-13
For example, 10 km × 1.0570e-13 = 1.0570e-12 ly.
km to ly conversion table
| kilometers (km) | light years (ly) |
|---|---|
| 1 km | 1.0570e-13 ly |
| 2 km | 2.1140e-13 ly |
| 5 km | 5.2850e-13 ly |
| 10 km | 1.0570e-12 ly |
| 25 km | 2.6425e-12 ly |
| 50 km | 5.2850e-12 ly |
| 100 km | 1.0570e-11 ly |
| 250 km | 2.6425e-11 ly |
| 500 km | 5.2850e-11 ly |
| 1000 km | 1.0570e-10 ly |
Other kilometer conversions
Convert to light year from another unit
km to ly — frequently asked
How many light years are in 1 kilometer?
1 kilometer = 1.0570e-13 light years (km × 1.0570e-13 = ly).
What is the formula to convert kilometer to light year?
Multiply your kilometer value by 1.0570e-13 to get light year.
How do I convert 10 kilometers to light years?
10 km = 1.0570e-12 ly. For 100 km the answer is 1.0570e-11 ly. Use the calculator on this page for any other value.
When to convert kilometer to light year
1Engineering and construction (mm to feet, meters to inches)
2Running, cycling and athletics (km to miles, miles to yards)
3International shipping and travel (nautical miles, kilometers)
4Manufacturing tolerances (micrometers and nanometers)
Length conversion — common questions
How many feet are in 1 meter?
1 meter equals approximately 3.2808 feet. The exact conversion factor is 1 ft = 0.3048 m.
How do I convert kilometers to miles?
Multiply the kilometer value by 0.621371. For example, 10 km × 0.621371 ≈ 6.2137 miles.
Is 1 yard exactly 3 feet?
Yes. By definition 1 yard = 3 feet = 36 inches = 0.9144 meters.
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