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

The SI prefix "atto" represents a factor of
10^{-18}, or in exponential notation, 1E-18.

So 1 attowatt = 10^{-18} 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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