42420000000 nanometers equals 424.2 decimeters.
Convert 42420000000 nanometers into meters, kilometers, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 425 decimeters into meters, kilometers, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...