4272 kilojoules equals 1,021.03 calories.
Convert 4272 kilojoules into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 1022 calories into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...