4271 kilojoules equals 1,020.79 calories.
Convert 4271 kilojoules into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 1021 calories into joules, megajoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...