4521 calories equals 5.25 kilowatt hours.
Convert 4521 calories into joules, kilojoules, megajoules, newton meters, foot pounds, watt hours, megawatt hours, mega electrons, etc...
Convert 6 kilowatt hours into joules, kilojoules, megajoules, newton meters, foot pounds, watt hours, megawatt hours, mega electrons, etc...