What is horsepower (mechanical)?

Mechanical horsepower is a traditional unit of power equal to approximately 745.7 watts. It is widely used in automotive and industrial contexts to express engine output, pump capacity, and motor ratings.

What is watt?

The watt is the SI base unit of power. It is universally used to measure the rate of energy consumption or production in electrical appliances, engines, lighting, and virtually all power-related specifications.

Worked examples

1 horsepower (mechanical) = 745.69987158 watt

1 watt = 1 watt

More Power conversions

• Convert horsepower (mechanical) to watt
• Convert horsepower (mechanical) to kilowatt
• Convert horsepower (mechanical) to megawatt
• Convert horsepower (mechanical) to gigawatt
• Convert horsepower (mechanical) to milliwatt
• Convert horsepower (mechanical) to microwatt
• Convert horsepower (mechanical) to BTU per hour
• Convert horsepower (mechanical) to kilocalorie per hour
• Convert horsepower (mechanical) to ton of refrigeration

Assumption: horsepower values use mechanical horsepower.