Horsepower to Calorie per Second Converter

Horsepower (hp) is a unit of power originally defined as the power needed to lift 550 pounds one foot in one second, approximately equal to 746 watts. It was created to compare the output of steam engines with the power of draft horses.

Horsepower was defined by James Watt around 1782 to market his steam engines by comparing their output to the familiar power of horses. It became the standard unit for mechanical power in English-speaking countries and remains widely used despite the adoption of SI units.

Horsepower is extensively used in automotive engines, mechanical equipment, and motor specifications. It's standard for car engine ratings, industrial machinery, pumps, and mechanical power transmission systems, particularly in the United States.

Calorie per second (cal/s) is a unit of power representing the rate of energy transfer of one calorie per second. It's used in thermodynamic applications and provides a direct relationship between thermal energy and power.

Calorie per second developed with early thermodynamic studies and calorimetry. It provided a way to express power in terms of thermal energy units, particularly useful in heat transfer calculations and thermal system analysis.

Calorie per second is used in thermodynamics, heat transfer calculations, and thermal system design. It's found in calorimetry, thermal analysis, and applications where thermal energy rates are more intuitive than electrical power units.