How many watts are equivalent to one horsepower?

One horsepower is equivalent to 746 watts. This measurement is standardized and widely used when converting between units of power, especially in contexts related to motors, engines, and various mechanical applications.

The definition stems from the need to compare the work done by engines and motors to more familiar terms. In practice, it allows engineers and mechanics to assess the power output of machines in a way that relates to human understanding of physical work. This relationship is particularly useful when designing and evaluating the performance of equipment in the aviation and automotive industries.

Understanding this conversion is crucial for students in aviation maintenance, as they often deal with engines and electrical systems where power ratings and output efficiency are integral to operations and safety.