Online calculator to convert watts to gigawatts (W to GW) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Power or Electricity units.
Conversion Calculator
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Convert watts to gigawatts
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between watts and gigawatts.
What is a watt (W)?
A watt is a unit of power in the International System of Units (SI). The symbol for watt is W. There are 1,000,000,000 watts in a gigawatt.
What is a gigawatt (GW)?
A gigawatt is a unit of power in the International System of Units (SI). The symbol for gigawatt is GW. There are 0.000000001 gigawatts in a watt.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from watts to gigawatts is:
gigawatts = watts ÷ 1,000,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from watts to gigawatts (W to GW).
Watt to Gigawatt Conversion Example
Task: Convert 450,000,000 watts to gigawatts (show work) Formula: watts ÷ 1,000,000,000 = gigawatts Calculations: 450,000,000 watts ÷ 1,000,000,000 = 0.45 gigawatts Result: 450,000,000 watts is equal to 0.45 gigawatts
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from watts to gigawatts.
Watts to Gigawatts Conversion Chart
| watts (W) | gigawatts (GW) |
|---|---|
| 1 W | 0.000000001 GW |
| 2 W | 0.000000002 GW |
| 3 W | 0.000000003 GW |
| 4 W | 0.000000004 GW |
| 5 W | 0.000000005 GW |
| 6 W | 0.000000006 GW |
| 7 W | 0.000000007 GW |
| 8 W | 0.000000008 GW |
| 9 W | 0.000000009 GW |
| 10 W | 0.00000001 GW |
| 20 W | 0.00000002 GW |
| 30 W | 0.00000003 GW |
| 40 W | 0.00000004 GW |
| 50 W | 0.00000005 GW |
| 75 W | 0.000000075 GW |
| 100 W | 0.0000001 GW |
| 250 W | 0.00000025 GW |
| 500 W | 0.0000005 GW |
| 750 W | 0.00000075 GW |
| 1,000 W | 0.000001 GW |
| 2,500 W | 0.0000025 GW |
| 5,000 W | 0.000005 GW |
| 7,500 W | 0.0000075 GW |
| 10,000 W | 0.00001 GW |
| 25,000 W | 0.000025 GW |
| 50,000 W | 0.00005 GW |
| 75,000 W | 0.000075 GW |
| 100,000 W | 0.0001 GW |
| 250,000 W | 0.00025 GW |
Related Units
The following tables provides a summary of the Power or Electricity units within their respective measurement systems.
Electric Current Units
| Unit | Symbol | Measurement System |
|---|---|---|
| milliamperes ("milliamps") | mA | International System of Units (SI) |
| amperes ("amps") | A | International System of Units (SI) |
Electric Potential Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanovolts | nV | International System of Units (SI) |
| millivolts | mV | International System of Units (SI) |
| volts | V | International System of Units (SI) |
| kilovolts | kV | International System of Units (SI) |
Power Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanowatts | nW | International System of Units (SI) |
| microwatts | μW | International System of Units (SI) |
| milliwatts | mW | International System of Units (SI) |
| watts | W | International System of Units (SI) |
| decawatts | daW | International System of Units (SI) |
| hectowatts | hW | International System of Units (SI) |
| kilowatts | kW | International System of Units (SI) |
| megawatts | MW | International System of Units (SI) |
| gigawatts | GW | International System of Units (SI) |
| terawatts | TW | International System of Units (SI) |
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