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