Calories (20°C)
A Calorie (20°C) is sometimes referred to as a small calorie or gram calorie. It is a unit of energy defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius from 19.5°C to 20.5°C.
Foot-poundals
The foot-poundal is the amount of energy required to move a one-pound mass a distance of one foot with an acceleration of one foot per second squared.