2399 foot pounds equals 0.78 calories.
Convert 2399 foot pounds into joules, kilojoules, megajoules, newton meters, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...
Convert 1 calories into joules, kilojoules, megajoules, newton meters, watt hours, kilowatt hours, megawatt hours, mega electrons, etc...