## Convert horsepower [water] to zettawatt

 horsepower [water] zettawatt

 Did you mean to convert horsepower [electric] horsepower [international] horsepower [metric] horsepower [water] to zettawatt

How many horsepower [water] in 1 zettawatt? The answer is 1.3404053117582E+18.
We assume you are converting between horsepower [water] and zettawatt.
You can view more details on each measurement unit:
horsepower [water] or zettawatt
The SI derived unit for power is the watt.
1 watt is equal to 0.0013404053117582 horsepower [water], or 1.0E-21 zettawatt.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between horsepower and zettawatts.
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You can do the reverse unit conversion from zettawatt to horsepower [water], or enter any two units below:

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## Definition: Horsepower

unit of power equal to roughly 550 foot-pounds of work per second

## Definition: Zettawatt

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettawatt = 1021 watts.

The definition of a watt is as follows:

The watt (symbol: W) is the SI derived unit for power. It is equivalent to one joule per second (1 J/s), or in electrical units, one volt ampere (1 V·A).

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