A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
Terawatts to Gigawatts
Convert Terawatt (TW) to Gigawatt (GW) instantly with an exact formula, conversion table, and FAQ.
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Convert terawatts (TW) to gigawatts (GW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work.
GW = TW × 1000
Results update instantly for Terawatts to Gigawatts conversions.
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Formula
GW = TW × 1000
TW = GW × 0.001
Conversion table
| 1 TW | 1000 GW |
| 5 TW | 5000 GW |
| 10 TW | 10000 GW |
| 20 TW | 20000 GW |
| 50 TW | 50000 GW |
| 100 TW | 100000 GW |
| 500 TW | 500000 GW |
| 1000 TW | 1.000000e+06 GW |
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How the formula works
Both terawatt and gigawatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in terawatts by 1000 to get gigawatts. To reverse the conversion, multiply a gigawatt value by 0.001 to get back to terawatts.
Frequently asked questions
What is Terawatt (TW)?
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
What is Gigawatt (GW)?
A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work.
How do I convert terawatts to gigawatts?
Multiply the terawatt value by 1000 to get the equivalent in gigawatts. For example, 5 TW × 1000 = 5000 GW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1000 is an exact, non-rounded value.
Can I convert gigawatts back to terawatts?
Yes. Divide the gigawatt value by 1000, or multiply it by 0.001, to get terawatts.
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About converting terawatts to gigawatts
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work. A Gigawatt (GW) equals 1e+9 watt(s), a scaled unit of electrical power used for giga-scale electrical work.
Use this calculator to move between terawatts and gigawatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.