Kilometer to Light Year (km to ly)
Convert km to ly — Length converter
One kilometer equals 1.056971e-13 ly, so to convert kilometers to light years you multiply the value by 1.056971e-13. A kilometer is smaller than a light year — going the other way, 1 ly = 9.461000e+12 km. For example, 10 km = 1.056971e-12 ly and 50 km = 5.284854e-12 ly.
1 km = 1.056971e-13 ly
Kilometer to Light Year formula
1 Kilometer = 1.056971e-13 ly
Worked examples
- 25 km = 2.642427e-12 ly
- 100 km = 1.056971e-11 ly
Kilometer to Light Year conversion table
| Kilometer (km) | Light Year (ly) |
|---|---|
| 1 | 1.056971e-13 |
| 2 | 2.113941e-13 |
| 3 | 3.170912e-13 |
| 5 | 5.284854e-13 |
| 8 | 8.455766e-13 |
| 10 | 1.056971e-12 |
| 12 | 1.268365e-12 |
| 15 | 1.585456e-12 |
| 20 | 2.113941e-12 |
| 25 | 2.642427e-12 |
| 50 | 5.284854e-12 |
| 100 | 1.056971e-11 |
| 250 | 2.642427e-11 |
| 500 | 5.284854e-11 |
| 1000 | 1.056971e-10 |
Frequently asked questions
How many light years are in one kilometer?
One kilometer equals 1.056971e-13 light years (ly).
How many kilometers are in one light year?
One light year equals 9.461000e+12 kilometers (km).
How do you convert kilometers to light years?
1 Kilometer = 1.056971e-13 ly. Use the calculator above for any value.
What is 5 km in ly?
5 km = 5.284854e-13 ly.
What is 100 km in ly?
100 km = 1.056971e-11 ly.
What is 10 km in ly?
10 km = 1.056971e-12 ly.
What is 20 km in ly?
20 km = 2.113941e-12 ly.
Is a kilometer bigger than a light year?
No. A kilometer is smaller — one kilometer equals 1.056971e-13 light years, while one light year equals 9.461000e+12 kilometers.