Convert 8,400 Light Years to Kilometers
How far is 8,400 light years? How long is 8.4 thousand light years in kilometers? 8,400 ly to km conversion.
From
To
swap units ↺
8,400 Light Years =
79,470,135,969,678,720 Kilometers
exact result
Decimal places
Result in Plain English
8,400 light years is equal to about 79.5 quadrillion kilometers.
In Scientific Notation
8,400 light years
= 8.4 x 103 light years
≈ 7.94701 x 1016 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.