Kilometers to Light Seconds - Convert km to light second

Kilometers (km) Conversion

A kilometer is a metric unit of length or distance which equals exactly 1000 meters and about 0.62137119 mile, 1093.6133 yards, or 3280.8399 feet. It is an official measurement which signifies geographical distances in most of the world except for the United States (they use the mile). Even huge distances to the farthest galaxies are expressed in kilometers, not in higher multiples of the meter.

Light Seconds (light second) Conversion

A light second is a unit of length used in astronomy defined as the distance covered by light in a vacuum for one second. This distance is exactly 299792458 meters (about 186282.4 miles).