Convert Kilometers to Light Years
1 kilometer = 1.057001e-13 light years. Type any value below to convert in either direction — the calculation happens in your browser.
Kilometers to Light Years formula
Multiply the number of kilometers by 1.057001e-13 to get light years.
light years = kilometers × 1.057001e-13To go the other way: divide the number of light years by 1.057001e-13, or multiply by 9460730472581.
kilometers = light years ÷ 1.057001e-13Kilometers to Light Years conversion table
| Kilometers | Light Years |
|---|---|
| 1 km | 1.057001e-13 ly |
| 2 km | 2.114002e-13 ly |
| 3 km | 3.171003e-13 ly |
| 4 km | 4.228003e-13 ly |
| 5 km | 5.285004e-13 ly |
| 6 km | 6.342005e-13 ly |
| 7 km | 7.399006e-13 ly |
| 8 km | 8.456007e-13 ly |
| 9 km | 9.513008e-13 ly |
| 10 km | 1.057001e-12 ly |
| 15 km | 1.585501e-12 ly |
| 20 km | 2.114002e-12 ly |
| 25 km | 2.642502e-12 ly |
| 30 km | 3.171003e-12 ly |
| 40 km | 4.228003e-12 ly |
| 50 km | 5.285004e-12 ly |
| 75 km | 7.927506e-12 ly |
| 100 km | 1.057001e-11 ly |
| 250 km | 2.642502e-11 ly |
| 500 km | 5.285004e-11 ly |
| 1,000 km | 1.057001e-10 ly |
Light Years to Kilometers conversion table
| Light Years | Kilometers |
|---|---|
| 1 ly | 9,460,730,472,581 km |
| 2 ly | 18,921,460,945,162 km |
| 3 ly | 28,382,191,417,742 km |
| 4 ly | 37,842,921,890,323 km |
| 5 ly | 47,303,652,362,904 km |
| 6 ly | 56,764,382,835,485 km |
| 7 ly | 66,225,113,308,066 km |
| 8 ly | 75,685,843,780,646 km |
| 9 ly | 85,146,574,253,227 km |
| 10 ly | 94,607,304,725,808 km |
About the kilometer
A kilometre is 1,000 metres and is the standard unit for road distances in most of the world.
About the light year
A light year is the distance light travels in one Julian year, about 9.46 trillion kilometres.
Frequently asked questions
How many light years are in a kilometer?
There are 1.057001e-13 light years in one kilometer.
How many kilometers are in a light year?
There are 9,460,730,472,581 kilometers in one light year.
Is this conversion exact?
The conversion factor is fixed, but its decimal expansion is infinite, so values are rounded to seven significant figures for display.
What is 10 kilometers in light years?
10 kilometers equals 1.057001e-12 light years.
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