Gigawatt to Terawatt Converter
Convert gigawatts to terawatts (GW to TW) instantly with this free online power converter. Enter any value in the Gigawatt field and get the equivalent in Terawatt immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 GW = 0.001 TW. To convert gigawatts to terawatts, multiply your Gigawatt value by 0.001. For example, 10 GW = 0.01 TW. You can also reverse the calculation: 1 TW = 1000 GW.
Quick conversion table
| Gigawatt (GW) | Terawatt (TW) |
|---|---|
| 1 GW | 0.001 TW |
| 5 GW | 0.005 TW |
| 10 GW | 0.01 TW |
| 25 GW | 0.025 TW |
| 50 GW | 0.05 TW |
| 100 GW | 0.1 TW |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the power category.
Formula
Gigawatt to Terawatt conversion: 1 GW = 0.001 TW terawatts = gigawatts × 0.001 1 TW = 1000 GW gigawatts = terawatts × 1000
Example
Example: Convert 10 GW to TW: 10 GW × 0.001 = 0.01 TW So, 10 GW is about 0.01 TW. To convert back, multiply by 1000: 0.01 TW × 1000 = 10 GW.
How to Use
- Enter the value you want to convert in the Gigawatt field
- The result in Terawatt appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert gigawatts to terawatts?
Enter the value in Gigawatt (GW) in the 'From' field. The equivalent in Terawatt (TW) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert GW to TW?
1 GW = 0.001 TW, so terawatts = gigawatts × 0.001. To convert back, 1 TW = 1000 GW. The full formula and a worked example are shown on this page.
How many terawatts are in one Gigawatt?
1 GW = 0.001 TW.
Is this Gigawatt to Terawatt converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert terawatts back to gigawatts?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other power unit for either field.
How accurate is the GW to TW conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.