4521 calories equals 18.92 megajoules.
Convert 4521 calories into joules, kilojoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 19 megajoules into joules, kilojoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...