Calories
A calorie is a unit of energy often used in nutrition to quantify the energy content in food. Specifically, one calorie (cal) is defined as the amount of energy required to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere.
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.