KILOMETER to LIGHT YEAR converter

Precise unit converter

Units used

FULL UNIT NAME	kilometer	light year
ABBREVIATION / SYMBOL	km	ly

How can you convert 1 kilometer to light years?

How many light years are in one kilometer? You can find out the answer in one of two ways:

use our calculator above for maximum accuracy or
use the following equation:

1 km \times \frac{1 ly}{9.46073 \times 10^{12} km}

There are 1.05700083402e-13 light years in a kilometer. Thus, we must multiply the number of kilometers (1) by 1.05700083402e-13 to get light years.

Conversion table between kilometers and light years near 1 km:

Alternative spelling

one kilometer to light years, 1 kilometer to light years, 1 km to ly, 1km to light years, 1 kilometer in light years, 1 km in ly, 1km in light years.