A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
Terawatts to Petawatts
Convert Terawatt (TW) to Petawatt (PW) instantly with an exact formula, conversion table, and FAQ.
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Convert terawatts (TW) to petawatts (PW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work.
PW = TW × 0.001
Results update instantly for Terawatts to Petawatts conversions.
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Formula
PW = TW × 0.001
TW = PW × 1000
Conversion table
| 1 TW | 0.001 PW |
| 5 TW | 0.005 PW |
| 10 TW | 0.01 PW |
| 20 TW | 0.02 PW |
| 50 TW | 0.05 PW |
| 100 TW | 0.1 PW |
| 500 TW | 0.5 PW |
| 1000 TW | 1 PW |
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How the formula works
Both terawatt and petawatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in terawatts by 0.001 to get petawatts. To reverse the conversion, multiply a petawatt value by 1000 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 Petawatt (PW)?
A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work.
How do I convert terawatts to petawatts?
Multiply the terawatt value by 0.001 to get the equivalent in petawatts. For example, 5 TW × 0.001 = 0.005 PW.
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 petawatts back to terawatts?
Yes. Divide the petawatt value by 0.001, or multiply it by 1000, to get terawatts.
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About converting terawatts to petawatts
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work. A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work.
Use this calculator to move between terawatts and petawatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.