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Best 3 Ways To Check PC Laptop Power Usage 2023

Best 3 Ways To Check PC Laptop Power Usage 2023

In an age where energy efficiency and sustainability are paramount, understanding your PC or laptop’s power consumption is crucial. Monitoring your device’s power usage not only helps you reduce your carbon footprint but also allows you to optimize performance and extend your device’s battery life. In this comprehensive guide, we will explore the best ways to check your PC or laptop power usage in 2023. From built-in tools to third-party software solutions, we’ll cover it all to ensure you have the knowledge you need to make informed decisions about your power consumption.

Table of Contents

  1. Introduction
    • Understanding the Importance of Monitoring Power Usage
  2. Method 1: Utilize Built-In Tools
    • Windows Power Options
    • macOS Energy Saver
    • Linux Power Management
  3. Method 2: Third-Party Software Solutions
    • HWMonitor
    • BatteryInfoView
    • Joulemeter
    • CoconutBattery
  4. Method 3: Online Power Calculators
    • What is an Online Power Calculator?
    • Best Online Power Calculators
  5. Comparing the Methods
    • Advantages and Disadvantages
  6. FAQs
    • Frequently Asked Questions about Monitoring Power Usage
  7. Conclusion


Understanding the power consumption of your PC or laptop is an essential aspect of modern computing. Whether you’re a casual user or a tech enthusiast, monitoring power usage helps you in various ways:

  • Energy Efficiency: Reducing your device’s power consumption contributes to energy savings, which is eco-friendly and cost-effective.
  • Battery Life: For laptop users, knowing how much power your device consumes can help prolong battery life, especially when you’re on the go.
  • Performance Optimization: By identifying power-hungry components or software, you can make adjustments for better overall performance.

In this article, we’ll explore the best ways to check your PC or laptop power usage in 2023.

Method 1: Utilize Built-In Tools

Windows Power Options

Windows operating systems offer built-in power management tools that allow users to monitor and adjust power usage. Here’s how you can access and utilize them:

  1. Access Power & Sleep Settings: Click on the Start button, go to Settings > System > Power & Sleep to access the power options.
  2. Choose a Power Plan: Under “Related settings,” click on “Additional power settings” to choose a power plan. The “Balanced” plan is the most commonly used and is designed to balance performance and power consumption. Other plans are available for specific purposes.
  3. Monitor Power Usage: Click on “Change plan settings,” and then “Change advanced power settings” to access detailed settings. Here, you can see power usage of different components, including the CPU, display, and more.

macOS Energy Saver

For Apple users, macOS provides Energy Saver settings to manage power consumption:

  1. Access Energy Saver: Go to the Apple menu, select “System Preferences,” and then click on “Energy Saver.”
  2. Choose Power Preferences: In the Energy Saver window, you can choose preferences for both battery and power adapter modes. Adjust settings like display sleep, computer sleep, and more.
  3. Monitor Power Usage: Energy Saver provides a simple interface to view power consumption, including an estimate of battery life remaining.

Linux Power Management

Linux users can leverage power management tools and command-line utilities to monitor and control power usage:

  1. PowerTOP: PowerTOP is a popular command-line tool for monitoring power consumption. You can install it and run it with the sudo powertop command.
  2. TLP: TLP is another command-line tool specifically designed for laptops. Install it and run sudo tlp stat to check power usage statistics.
  3. CPUFreq: Linux offers CPU frequency scaling options to manage the CPU’s power consumption. Use tools like cpufrequtils to monitor and adjust CPU frequencies.

Method 2: Third-Party Software Solutions

In addition to built-in tools, several third-party software solutions are available to provide more in-depth insights into your PC or laptop’s power usage.


HWMonitor is a popular choice among Windows users. It provides detailed information about various hardware components, including power consumption. You can download HWMonitor from its official website and install it on your system.


NirSoft’s BatteryInfoView is a lightweight and portable application for Windows that offers detailed information about your laptop’s battery, including its power usage and capacity. You can download it from NirSoft’s website.


Joulemeter is a research project developed by Microsoft that estimates power usage on Windows computers. It’s a handy tool to assess the power consumption of different tasks and activities. You can download Joulemeter from the official Microsoft website.


CoconutBattery is a macOS-exclusive application that offers detailed information about your MacBook’s battery health and power usage. It’s particularly useful for MacBook users who want to monitor their battery’s condition. You can download it from the official CoconutBattery website.

Method 3: Online Power Calculators

What is an Online Power Calculator?

Online power calculators are web-based tools that estimate power usage based on your PC or laptop’s components and usage patterns. They don’t require any software installation and are accessible from any device with internet connectivity.

Best Online Power Calculators

  1. PCPartPicker: PCPartPicker offers a power supply calculator that estimates the power requirements of your PC build based on the components you select. It’s a valuable resource for PC builders.
  2. Be Quiet! PSU Calculator: Be Quiet! provides a PSU (power supply unit) calculator that helps you determine the right PSU for your PC configuration, considering power efficiency and consumption.
  3. Newegg PSU Calculator: Newegg’s PSU calculator is a comprehensive tool that takes into account your PC’s components, overclocking, and usage patterns to recommend an appropriate power supply unit.

Comparing the Methods

Advantages and Disadvantages

Each method for checking PC or laptop power usage has its advantages and disadvantages:

  • Built-In Tools:
  • Advantages: Accessible on most operating systems, straightforward to use, and can provide basic information.
  • Disadvantages: Limited in-depth information, may not cover all components.
  • Third-Party Software:
  • Advantages: Offers more detailed data, especially for hardware components, and may include additional features.
  • Disadvantages: Requires installation and potential compatibility issues.
  • Online Power Calculators:
  • Advantages: Convenient and accessible from any device with internet access, can provide estimates for custom PC builds.
  • Disadvantages: May not provide real-time data and rely on user input accuracy.


Frequently Asked Questions about Monitoring Power Usage

Q1.Is monitoring power usage essential for all computer users?

Yes, understanding power usage is crucial for both energy efficiency and extending the lifespan of laptops and PCs.

Q2.Are built-in power management tools sufficient for most users?

For basic monitoring, built-in tools are sufficient. However, if you need more detailed information, third-party software may be necessary.

Q3.How can I reduce power consumption on my PC or laptop?

Adjust power settings, close unused applications, and upgrade to energy-efficient components.

Q4.Do online power calculators require personal information?

No, online power calculators typically do not require personal information. They rely on component details and usage patterns.

Q5.Is monitoring power usage different for gaming laptops or PCs?

Gaming laptops and PCs may have higher power consumption due to powerful components. It’s essential to monitor and manage power usage for gaming systems.


In 2023, the importance of monitoring power usage for your PC or laptop cannot be overstated. Whether you’re a conscious environmentalist, a laptop user on the go, or a performance-driven PC enthusiast, understanding and controlling power consumption is a key aspect of modern computing.

You now have three robust methods to check power usage: built-in tools, third-party software, and online power calculators. Each method comes with its own advantages and limitations, allowing you to choose the one that best fits your needs and preferences.

By monitoring and optimizing power usage, you not only contribute to a greener planet but also ensure the longevity and efficiency of your computing devices. So, start monitoring your power usage today and make your computing experience more sustainable and cost-effective.

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