insert value:
From: electronvolt eV erg joule J kilogrammeter kgf m kilowatt-hour kWh foot-pound lbf ft liter-atmosphere l atm foot-poundal ft pdl ton		To: electronvolt eV erg joule J kilogrammeter kgf m kilowatt-hour kWh foot-pound lbf ft liter-atmosphere l atm foot-poundal ft pdl ton