Gigawatts to Megawatts Converter
Convert gigawatt to megawatt instantly. 1 GW = 1000 MW, worked steps and a full reference table.
How to use it
- Type the value in gigawatt — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 GW | 1000 MW |
| 5 GW | 5000 MW |
| 10 GW | 10000 MW |
| 100 GW | 100000 MW |
One gigawatt equals 1000 megawatts (MW). To convert gigawatts to megawatts, multiply by 1000; to go back the other way, multiply by 0.001 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What gigawatts and megawatts actually measure
Gigawatt (GW) — A gigawatt is a billion watts. National grid capacity and large power stations.
Megawatt (MW) — A megawatt is a million watts. Wind turbines, data centres and small power stations.
Gigawatts to Megawatts conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| GW | MW |
|---|---|
| 1 GW | 1000 MW |
| 2 GW | 2000 MW |
| 5 GW | 5000 MW |
| 10 GW | 10000 MW |
| 25 GW | 25000 MW |
| 50 GW | 50000 MW |
| 100 GW | 100000 MW |
How to convert gigawatts to megawatts by hand
Multiply the number of gigawatts by 1000.
For example, 25 GW × 1000 = 25000 MW.
Going the other way, divide by 1000 — or multiply by 0.001, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many MW are in 1 GW?
1 GW equals exactly 1000 MW. Multiply any value in gigawatt by 1000 to get megawatt.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026