Convert 2 Light Years to Kilometers
How far is 2 light years? How long is 2 light years in kilometers? 2 ly to km conversion.
From
To
swap units ↺
2 Light Years ≈
18,921,460,945,162 Kilometers
result rounded
Decimal places
Result in Plain English
2 light years is equal to about 18.9 trillion kilometers.
In Scientific Notation
2 light years
= 2 x 100 light years
≈ 1.89215 x 1013 kilometers
Light Years
A 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.
Kilometers
A 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.