1421 nanometers equals 1,421,000 picometers.
Convert 1421 nanometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 1421000 picometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...