121 megajoules equals 28,919.69 calories.
Convert 121 megajoules into joules, kilojoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 28920 calories into joules, kilojoules, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...