47 lightyears equals 2,972,330.62 astronomical units.
Convert 47 lightyears into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...
Convert 2972331 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, parsecs, etc...