100 lightyears equals 9,460,730,472,580,798,464 decimeters.
Convert 100 lightyears into meters, kilometers, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...
Convert 9.4607304725808E+18 decimeters into meters, kilometers, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...