Convert Petawatt to Exawatt

Simple, fast and user-friendly online tool to convert Petawatt to Exawatt ( PW to EW ) vice-versa and other Power related units. Learn and share how to convert Petawatt to Exawatt ( PW to EW ). Click to expand short unit definition.

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   Petawatt (PW) =    Exawatt (EW)

What is Petawatt ?

A Petawatt (symbol: PW) is a unit of power in the International System of Units (SI), and it represents 1 quadrillion watts. Like watts, kilowatts, megawatts, gigawatts, and terawatts, it measures the rate at which energy is used, produced, or transferred, but on an extraordinary scale that is mostly theoretical or used in very specific scientific contexts.

Here's what it means:

  • Power is the rate at which work is done or energy is transferred over time.
  • 1 petawatt is equal to 1,000 terawatts (TW), 1,000,000 gigawatts (GW), or 1,000,000,000,000,000 watts (W). This means that something with a power rating of 1 petawatt uses or produces 1 quadrillion joules of energy every second.

To understand the scale:

  • Petawatts are so large that they're rarely used to describe everyday power needs. Instead, they are typically referenced in scientific research, such as in studies involving powerful lasers or theoretical astrophysical phenomena.
  • For example, the most powerful lasers in the world can briefly reach peak powers in the petawatt range during extremely short pulses. These lasers are used in experiments that require immense amounts of energy concentrated over a tiny period of time.

In everyday life, petawatts are not commonly used because the scale is far beyond what most human-made systems or even entire planets would require. However, they are essential in understanding the extreme limits of energy and power in scientific research and futuristic technologies.




What is Exawatt ?

An Exawatt (symbol: EW) is a unit of power in the International System of Units (SI), and it represents 1 quintillion watts. This is an unimaginably large unit of power that is used mainly in theoretical and scientific contexts.

Here’s what it means:

  • Power is the rate at which work is done or energy is transferred over time.
  • 1 exawatt is equal to 1,000 petawatts (PW), 1,000,000 terawatts (TW), or 1,000,000,000,000,000,000 watts (W). This means that something with a power rating of 1 exawatt uses or produces 1 quintillion joules of energy every second.

To put it in perspective:

  • The scale of an exawatt is so enormous that it’s not typically used in everyday applications, power generation, or even large-scale industrial contexts. Instead, exawatts are mostly referenced in theoretical physics or astronomical phenomena.
  • For instance, some scientists might use the term "exawatt" when discussing the power output of extremely large-scale cosmic events, like supernovae or gamma-ray bursts, which are some of the most powerful events in the universe.

Exawatts are far beyond anything used on Earth. They help us understand and quantify energy on the grandest scales imaginable, but they’re not practical for everyday or even industrial use due to their immense magnitude.



List of Power conversion units
Watt Kilowatt Megawatt Gigawatt Terawatt Petawatt Exawatt Horsepower