4278 kilojoules equals 4.28 megajoules.
Convert 4278 kilojoules into joules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 5 megajoules into joules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...