671 megajoules equals 671,000,000 joules.
Convert 671 megajoules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 671000000 joules into kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...