1221 megajoules equals 339.17 kilowatt hours.
Convert 1221 megajoules into joules, kilojoules, calories, newton meters, foot pounds, watt hours, megawatt hours, mega electrons, etc...
Convert 340 kilowatt hours into joules, kilojoules, calories, newton meters, foot pounds, watt hours, megawatt hours, mega electrons, etc...