42 nanometers equals 0.04 micrometers.
Convert 42 nanometers into meters, kilometers, decimeters, centimeters, milimeters, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 1 micrometers into meters, kilometers, decimeters, centimeters, milimeters, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...