Gigawatt Conversions
Use this easy and mobile-friendly calculator to convert between Gigawatts and other units of Power.From
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1 Gigawatt ≈
1,341,022.1 Mechanical Horsepower
result rounded
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Gigawatts
A gigawatt is 1 billion watts. The total electricty generating capacity of the United States is about 1,100 gigawatts.
Horsepower
Mechanical horsepower is commonly used to measure the maximum power of a car's engine in the United States. It is slightly different than Metric horsepower, which is used in Europe.
How much is 1.21 Gigawatts?
Great Scott! In "Back to the Future", the flux capacitor of Doc Brown's time machine needed 1.21 gigawatts to function.
That's a lot of power. It's approximately equal to the power generated by a coal-fired power plant, or the maximum output of about 5,000 base model Ford Mustangs.