Convert 273 Light Years to Kilometers
How far is 273 light years? How long is 273 light years in kilometers? 273 ly to km conversion.
From
To
swap units ↺
273 Light Years ≈
2,582,779,419,014,558 Kilometers
result rounded
Decimal places
Result in Plain English
273 light years is equal to about 2.58 quadrillion kilometers.
In Scientific Notation
273 light years
= 2.73 x 102 light years
≈ 2.58278 x 1015 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.