# ››Convert gigawatt to watt

GW
watts

How many GW in 1 watts? The answer is 1.0E-9.
We assume you are converting between gigawatt and watt.
You can view more details on each measurement unit:
GW or watts
The SI derived unit for power is the watt.
1 GW is equal to 1000000000 watt.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between gigawatts and watts.
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# ››Definition: Gigawatt

The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.

So 1 gigawatt = 109 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).

# ››Definition: Watt

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!