500 megajoules equals 138,888.89 watt hours.
Convert 500 megajoules into joules, kilojoules, calories, newton meters, foot pounds, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 138889 watt hours into joules, kilojoules, calories, newton meters, foot pounds, kilowatt hours, megawatt hours, mega electrons, etc...