4 megajoules equals 4,000,000 joules.
Convert 4 megajoules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 4000000 joules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...