4489 kilojoules equals 1,072.9 calories.
Convert 4489 kilojoules into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 1073 calories into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...