Terawatt to Gigawatt Converter
Convert terawatts to gigawatts (TW to GW) instantly with this free online power converter. Enter any value in the Terawatt field and get the equivalent in Gigawatt 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 TW = 1000 GW. To convert terawatts to gigawatts, multiply your Terawatt value by 1000. For example, 10 TW = 10000 GW. You can also reverse the calculation: 1 GW = 0.001 TW.
Quick conversion table
| Terawatt (TW) | Gigawatt (GW) |
|---|---|
| 1 TW | 1000 GW |
| 5 TW | 5000 GW |
| 10 TW | 10000 GW |
| 25 TW | 25000 GW |
| 50 TW | 50000 GW |
| 100 TW | 100000 GW |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the power category.
Formula
Terawatt to Gigawatt conversion: 1 TW = 1000 GW gigawatts = terawatts × 1000 1 GW = 0.001 TW terawatts = gigawatts × 0.001
Example
Example: Convert 10 TW to GW: 10 TW × 1000 = 10000 GW So, 10 TW is about 10000 GW. To convert back, multiply by 0.001: 10000 GW × 0.001 = 10 TW.
How to Use
- Enter the value you want to convert in the Terawatt field
- The result in Gigawatt 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 terawatts to gigawatts?
Enter the value in Terawatt (TW) in the 'From' field. The equivalent in Gigawatt (GW) 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 TW to GW?
1 TW = 1000 GW, so gigawatts = terawatts × 1000. To convert back, 1 GW = 0.001 TW. The full formula and a worked example are shown on this page.
How many gigawatts are in one Terawatt?
1 TW = 1000 GW.
Is this Terawatt to Gigawatt 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 gigawatts back to terawatts?
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 TW to GW 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.