Power Conversion Calculator

Power Conversion Calculator

  • Select the input and output units for power conversion.
  • Enter a value in the "Enter Value" field.
  • Click "Calculate" to perform the conversion and view the result.
  • View the calculation details and formula used in the "Calculation Details" section.
  • Your calculation history will be displayed in the "Calculation History" section.
  • Click "Clear" to reset the input fields and calculation details.
  • Click "Copy Result" to copy the calculated result to the clipboard.
Calculation History


    In the world of engineering and science, power conversion is a fundamental concept. Engineers and scientists encounter situations where they need to convert power from one unit to another, whether it’s for designing electrical circuits, analyzing energy consumption, or understanding the performance of mechanical systems.

    The Concept

    The Power Conversion Calculator is designed to handle a wide range of power-related conversions. It allows users to convert between different units of power, such as watts (W), kilowatts (kW), megawatts (MW), and horsepower (HP). Additionally, it provides the capability to convert between electrical power and mechanical power, offering a versatile solution for engineers working in diverse fields.


    To perform these conversions, the Power Conversion Calculator employs several key formulae:

    1. Watts to Kilowatts:

    1 kilowatt (kW) = 1000 watts (W)

    2. Kilowatts to Megawatts:

    1 megawatt (MW) = 1000 kilowatts (kW)

    3. Horsepower to Watts:

    1 horsepower (HP) = 745.7 watts (W)

    4. Electrical Power to Mechanical Power (for motors and engines):

    Mechanical Power (HP) = Electrical Power (W) / 745.7

    Example Calculations

    Let’s explore some practical examples to illustrate the usefulness of the Power Conversion Calculator:

    Example 1: Converting Kilowatts to Megawatts

    Suppose you are working on a project where you need to convert 5,000 kilowatts (kW) to megawatts (MW). Using the Power Conversion Calculator: 5000 kW = 5000 / 1000 MW = 5 MW

    Example 2: Converting Horsepower to Watts

    Imagine you are evaluating the power output of an engine rated at 300 horsepower (HP). Using the Power Conversion Calculator: 300 HP = 300 x 745.7 W = 223,710 W

    Real-World Use Cases

    The Power Conversion Calculator finds applications in various real-world scenarios:

    Electrical Engineering:

    Electrical engineers need to convert power between different units when designing circuits or working on power distribution systems. This tool simplifies the process, allowing them to make quick and accurate conversions.

    Mechanical Engineering:

    In mechanical engineering, the Power Conversion Calculator is valuable for assessing the performance of machines, engines, and motors. Engineers can easily convert between electrical and mechanical power to evaluate efficiency and power requirements.

    Renewable Energy:

    Professionals in the renewable energy sector use this tool to convert power ratings of solar panels, wind turbines, and other renewable energy sources. It aids in comparing and analyzing the capacity of different systems.

    Automotive Industry:

    Automotive engineers use the calculator when dealing with engines and motor specifications. It helps in converting power ratings between horsepower and watts, facilitating performance analysis.


    The Power Conversion Calculator is an essential tool for engineers, scientists, and students working with power-related calculations. Its ability to convert between various power units and seamlessly transition between electrical and mechanical power makes it versatile and practical. By simplifying these conversions, it saves time and ensures accurate results in a wide range of applications.


    1. Beer, F. P., Johnston, E. R., & DeWolf, J. T. (2017). Mechanics of Materials. McGraw-Hill Education.
    2. Fitzgerald, A. E., Kingsley, C., & Umans, S. D. (2015). Electric Machinery. McGraw-Hill Education.
    3. Kreith, F., & Kreider, J. F. (2010). Principles of Sustainable Energy Systems. CRC Press.
    dot 1
    One request?

    I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️

    Leave a Comment

    Your email address will not be published. Required fields are marked *