Kilometers to light-years
1 kilometer in light-years
1 km = 1.057 × 10^-13 ly
ly = km × 1.057000834 × 10^-13
To convert kilometers to light-years, multiply by 1.057000834 × 10^-13. The table below gives the values people look up most often, and the converter works for any number.
Kilometers to light-years table
| Kilometers | Light-years |
|---|---|
| 1 km | 1.057 × 10^-13 |
| 2 km | 2.114 × 10^-13 |
| 3 km | 3.171 × 10^-13 |
| 4 km | 4.228 × 10^-13 |
| 5 km | 5.285 × 10^-13 |
| 10 km | 1.057 × 10^-12 |
| 15 km | 1.586 × 10^-12 |
| 20 km | 2.114 × 10^-12 |
| 25 km | 2.643 × 10^-12 |
| 30 km | 3.171 × 10^-12 |
| 40 km | 4.228 × 10^-12 |
| 50 km | 5.285 × 10^-12 |
| 75 km | 7.928 × 10^-12 |
| 100 km | 1.057 × 10^-11 |
| 250 km | 2.643 × 10^-11 |
| 500 km | 5.285 × 10^-11 |
| 1,000 km | 1.057 × 10^-10 |
How the conversion works
The relationship is ly = km × 1.057000834 × 10^-13. Both units measure length, so the conversion is a fixed factor that never changes.
Common questions
- How many light-years are in one kilometer?
- One kilometer equals 1.057 × 10^-13 light-years. ly = km × 1.057000834 × 10^-13.
- How do you convert kilometers to light-years?
- Use ly = km × 1.057000834 × 10^-13. So 10 km is 1.057 × 10^-12 ly.
- How many kilometers are in one light-year?
- One light-year equals 9,460,730,500,000 kilometers, which is the reverse of the conversion above.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place