A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work.
Gigawatts to Terawatts
Convert Gigawatt (GW) to Terawatt (TW) instantly with an exact formula, conversion table, and FAQ.
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Convert gigawatts (GW) to terawatts (TW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
TW = GW × 0.001
Results update instantly for Gigawatts to Terawatts conversions.
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Formula
TW = GW × 0.001
GW = TW × 1000
Conversion table
| 1 GW | 0.001 TW |
| 5 GW | 0.005 TW |
| 10 GW | 0.01 TW |
| 20 GW | 0.02 TW |
| 50 GW | 0.05 TW |
| 100 GW | 0.1 TW |
| 500 GW | 0.5 TW |
| 1000 GW | 1 TW |
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How the formula works
Both gigawatt and terawatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in gigawatts by 0.001 to get terawatts. To reverse the conversion, multiply a terawatt value by 1000 to get back to gigawatts.
Frequently asked questions
What is Gigawatt (GW)?
A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work.
What is Terawatt (TW)?
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
How do I convert gigawatts to terawatts?
Multiply the gigawatt value by 0.001 to get the equivalent in terawatts. For example, 5 GW × 0.001 = 0.005 TW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 0.001 is an exact, non-rounded value.
Can I convert terawatts back to gigawatts?
Yes. Divide the terawatt value by 0.001, or multiply it by 1000, to get gigawatts.
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About converting gigawatts to terawatts
A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work. A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
Use this calculator to move between gigawatts and terawatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.