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.
Type in your own numbers in the form to convert the units!

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

Definition: Zettawatt

The SI prefix "zetta" represents a factor of
10^{21}, or in exponential notation, 1E21.

So 1 zettawatt = 10^{21} 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).

Metric conversions and more

ConvertUnits.com provides an online
conversion calculator for all types of measurement units.
You can find metric conversion tables for SI units, as well
as English units, currency, and other data. Type in unit
symbols, abbreviations, or full names for units of length,
area, mass, pressure, and other types. Examples include mm,
inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm,
metres squared, grams, moles, feet per second, and many more!