Kilometer ConversionsUse this easy and mobile-friendly calculator to convert between Kilometers and other units of Astronomy.
1 Kilometer ≈
0.00000000000010570008 Light Years
KilometersA kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.
Light YearsA light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. A light year is defined as exactly 9,460,730,472,580.8 kilometers.