How many watts are equivalent to one horsepower?

One horsepower is defined as being equivalent to 746 watts. This conversion is based on historical definitions and has been standardized for various applications, particularly in mechanical and electrical engineering. Understanding this conversion is crucial when dealing with motors and engines, as it allows you to compare their power outputs more effectively.

This specific value is derived from the need to quantify power in practical terms and provide a consistent measure across different systems. In engineering applications, recognizing that 1 hp = 746 watts helps in selecting the appropriate motor or assessing energy efficiency when converting mechanical work into electrical energy. This knowledge is vital for anyone working with equipment that requires specific power ratings.