Light Year Distance Calculator
Light Year Distance
Convert light years to kilometers and other distance units.
Formula
km = Light Years x 9.461 x 10^12; AU = Light Years x 63241.1
Frequently Asked Questions
How far is one light year?
One light year is about 9.461 trillion kilometers.
What is the nearest star?
Proxima Centauri is about 4.24 light years from Earth.