9 inches equals 2.29 decimeters.
Convert 9 inches into meters, kilometers, centimeters, milimeters, micrometers, nanometers, picometers, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...
Convert 3 decimeters into meters, kilometers, centimeters, milimeters, micrometers, nanometers, picometers, feet, yards, miles, hands, lightyears, astronomical units, parsecs, etc...