4500 megajoules equals 1,250,000 watt hours.
Convert 4500 megajoules into joules, kilojoules, calories, newton meters, foot pounds, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 1250000 watt hours into joules, kilojoules, calories, newton meters, foot pounds, kilowatt hours, megawatt hours, mega electrons, etc...