8420 centimeters equals 842 decimeters.
Convert 8420 centimeters into meters, kilometers, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 842 decimeters into meters, kilometers, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...