A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work.
Petawatts to Exawatts
Convert Petawatt (PW) to Exawatt (EW) instantly with an exact formula, conversion table, and FAQ.
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Convert petawatts (PW) to exawatts (EW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
An Exawatt (EW) equals 1e+18 watt(s), a scaled unit of electrical power used for exa-scale electrical work.
EW = PW × 0.001
Results update instantly for Petawatts to Exawatts conversions.
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Formula
EW = PW × 0.001
PW = EW × 1000
Conversion table
| 1 PW | 0.001 EW |
| 5 PW | 0.005 EW |
| 10 PW | 0.01 EW |
| 20 PW | 0.02 EW |
| 50 PW | 0.05 EW |
| 100 PW | 0.1 EW |
| 500 PW | 0.5 EW |
| 1000 PW | 1 EW |
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How the formula works
Both petawatt and exawatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in petawatts by 0.001 to get exawatts. To reverse the conversion, multiply a exawatt value by 1000 to get back to petawatts.
Frequently asked questions
What is Petawatt (PW)?
A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work.
What is Exawatt (EW)?
An Exawatt (EW) equals 1e+18 watt(s), a scaled unit of electrical power used for exa-scale electrical work.
How do I convert petawatts to exawatts?
Multiply the petawatt value by 0.001 to get the equivalent in exawatts. For example, 5 PW × 0.001 = 0.005 EW.
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 exawatts back to petawatts?
Yes. Divide the exawatt value by 0.001, or multiply it by 1000, to get petawatts.
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About converting petawatts to exawatts
A Petawatt (PW) equals 1e+15 watt(s), a scaled unit of electrical power used for peta-scale electrical work. An Exawatt (EW) equals 1e+18 watt(s), a scaled unit of electrical power used for exa-scale electrical work.
Use this calculator to move between petawatts and exawatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.