Light Year Converter
Convert light years to other distance units. Essential for astronomical measurements.
1 light years =
0.306601 pc
All Conversions
0.306601
Parsecs
63,241.1
Astronomical Units
9.4610e+12
Kilometers
5.8790e+12
Miles
Formula
1 ly = 9.461 × 10^12 km
Quick Reference
1 light year
= 63,241 AU
Proxima Centauri
= 4.24 ly
3.26 ly
= 1 parsec
Milky Way
~ 100,000 ly diameter