This calculator allows you to convert from Fuel oil equivalent @barrel (US) to Kilocalorie (th) and in a reverse direction. To convert from Fuel oil equivalent @barrel (US) to Kilocalorie (th), enter the amount of Fuel oil equivalent @barrel (US) into the first input and to convert from Kilocalorie (th) to Fuel oil equivalent @barrel (US), enter the amount of Kilocalorie (th) into the second input.