428 lightyears equals 27,067,180.99 astronomical units.
Convert 428 lightyears into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...
Convert 27067181 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...