1003 calories equals 4,196.55 kilojoules.
Convert 1003 calories into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 4197 kilojoules into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...