Convert 258 Light Years to Astronomical Units
How far is 258 light years? How long is 258 light years in astronomical units? 258 ly to AU conversion.
From
To
swap units ↺
258 Light Years ≈
16,316,198 Astronomical Units
result rounded
Decimal places
Result in Plain English
258 light years is equal to about 16.3 million astronomical units.
In Scientific Notation
258 light years
= 2.58 x 102 light years
≈ 1.63162 x 107 astronomical units
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.
Astronomical Units
An astronomical unit is the average distance between the Earth and the Sun. Estimates of this distance have varied over time. It is now defined as exactly 149,597,870.7 kilometers.