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.

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.

Worked examples

1 watt = 0.00134102 horsepower (mechanical)

1 horsepower (mechanical) = 745.69987158 watt

More Power conversions

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

Assumption: horsepower values use mechanical horsepower.