42 megajoules equals 42,000,000 joules.
Convert 42 megajoules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 42000000 joules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...