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Watt to Gigawatt
Convert Watt to Gigawatt and get the exact value instantly.
About this conversion
To convert Watt to Gigawatt, multiply the number of Watt by 1e-9.
Power is measured in watts, kilowatts or horsepower, so comparing an engine, a motor and an appliance usually means converting to one shared unit first.
Conversion table
| Watt (W) | Gigawatt (GW) |
|---|---|
| 1 W | 1e-9 GW |
| 2 W | 2e-9 GW |
| 5 W | 5e-9 GW |
| 10 W | 1e-8 GW |
| 100 W | 1e-7 GW |
How to use this converter
- Enter your Watt value
Type any number into the Watt field. It starts at 1 so you can read the rate straight away.
- Read the Gigawatt result
The amount in Gigawatt updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Gigawatt are in one Watt?
- One Watt equals 1e-9 GW. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Watt to Gigawatt conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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