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. Use the swap button to reverse the direction and convert gigawatts back to terawatts. You can also switch between any other units in the power category using the dropdown menus.

Result
Formula

Formula

Terawatt to Gigawatt conversion:
Result = Input × conversion factor

The conversion factor is the ratio between the two units.
See the Formula row in the tool for the exact factor used.

Example

Example: Convert 10 TW to GW Enter 10 in the Terawatt field. The result in Gigawatt (GW) is calculated instantly. Use the swap button to convert back from GW to TW.

How to Use

  1. Enter the value you want to convert in the Terawatt field
  2. The result in Gigawatt appears instantly below
  3. Use the dropdown menus to change units if needed
  4. Click 'Swap Units' to reverse the conversion direction
  5. 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?

The conversion factor is shown in the Formula row below the result. For most power units, the conversion is a simple multiplication or division by a fixed factor. Temperature and fuel economy use special formulas, which are also displayed.

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.