1 kilometer equals 1,000,000,000,000 nanometers.
Convert 1 kilometer into meters, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 1000000000000 nanometers into meters, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...