Joule per Second to Metric Horsepower Converter

Joule per second (J/s) is a unit of power representing the rate of energy transfer of one joule per second. It's exactly equivalent to the watt and represents the fundamental definition of power as energy per unit time.

Joule per second represents the fundamental definition of power and was implicit in early thermodynamic studies. It became formalized with the development of the SI system and provides the direct relationship between energy (joules) and power (watts).

Joule per second is primarily used in educational contexts to illustrate the relationship between energy and power. In practical applications, it's equivalent to watts and is used in thermodynamic calculations and energy system analysis.

Metric horsepower (PS) is a unit of power equal to 75 kilogram-force meters per second, approximately 735.5 watts. It's the metric equivalent of horsepower, used primarily in European automotive and mechanical applications.

Metric horsepower was developed as a metric alternative to the imperial horsepower unit. It became standard in European automotive and mechanical industries, providing a power unit consistent with metric measurements while maintaining familiarity with the horsepower concept.

Metric horsepower is used in European automotive specifications, mechanical equipment ratings, and industrial machinery. It's standard for European car engine ratings, machinery specifications, and mechanical power systems in metric countries.