Kilometer to Light-year (km → ly)
Convert kilometer to light-year instantly. The conversion factor below is exact by international definition.
Realtime·length·SI
Exact
km
× 0
ly
0
Precision [auto]
6
📐km to ly formulaExact
ly = km × 1.057001e-13
Inverse: km = ly × 9.460730e+12
Worked example: 1 km = 1.057001e-13 ly
ℹ️About these units
Kilometer (km)
Road distances in most countries.
Light-year (ly)
Source: IAU: 1 ly = 365.25 d × c (exact).
📊Reference table: km → ly
| Kilometer (km) | Light-year (ly) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 5 | 0 |
| 10 | 0 |
| 15 | 0 |
| 20 | 0 |
| 25 | 0 |
| 50 | 0 |
| 100 | 0 |
| 250 | 0 |
| 500 | 0 |
| 750 | 0 |
| 1,000 | 0 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=kilometer&to=light-yearEmbed this converter
<div data-convertnavi="kilometer->light-year"></div>
<script async src="https://convertnavi.com/embed.js"></script>