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 gigawatt?

A gigawatt is a unit of power equal to one billion watts. It is used to express the total power output of national electricity grids, large power stations, and national energy policy targets.

Worked examples

1 horsepower (mechanical) = 7.456999e-07 gigawatt

1 gigawatt = 1.000000e+09 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.