Full name: zettawatt
Plural form: zettawatts
Category type: power
Scale factor: 1.0E+21
The SI derived unit for power is the watt.
1 watt is equal to 1.0E-21 zettawatt.
Valid units must be of the power type.
You can use this form to select from known units:
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).