20520 megajoules equals 5.7 megawatt hours.
Convert 20520 megajoules into joules, kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, mega electrons, etc...
Convert 6 megawatt hours into joules, kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, mega electrons, etc...