Direct conversion
Convert terawatt [TW] to gigawatt [GW] instantly with formula, examples, chart, and FAQs.
1 terawatt [TW] = 1000 gigawatt [GW]
1 terawatt [TW] = 1000 gigawatt [GW]
Example: 1 terawatt [TW] equals 1000 gigawatt [GW].
Power conversions use watt as the reference unit and include mechanical horsepower, electrical power, and heat-rate units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The terawatt (TW) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse terawatt when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
The gigawatt (GW) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse gigawatt when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
| terawatt [TW] | gigawatt [GW] |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 1000 | 1000000 |
Use this formula: 1 terawatt [TW] = 1000 gigawatt [GW] Enter your value in the calculator and the result updates instantly.
1 terawatt [TW] equals 1000 gigawatt [GW].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.