Btu
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.
A foot poundal is the work done by a force of one poundal acting through a distance of one foot, in the direction of the force. It equates to 0.0421401100938048 J