47 astronomical units equals 7,031,099,922,899,999,391,744 nanometers.
Convert 47 astronomical units into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...
Convert 7.0310999229E+21 nanometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, parsecs, etc...