(n.) The unit of work or energy in the C. G. S. system, being the amount of work done by a dyne working through a distance of one centimeter; the amount of energy expended in moving a body one centimeter against a force of one dyne. One foot pound is equal to 13,560,000 ergs.

BTU British thermal unit atomerg dinamode dyne energid erg foot-pound great calorie horsepower-hour horsepower-year joule kilocalorie kilogram-meter kilowatt-hour photon quantum rational calorie therm thermal unit