Flywheel Power Calculator


Calculating the power of a flywheel is essential in various engineering applications, especially in understanding the energy storage and transfer capabilities of rotating machinery. With the help of a flywheel power calculator, engineers and enthusiasts can easily determine the power output of a flywheel system.

How to Use

To use the flywheel power calculator, input the required parameters such as the mass of the flywheel, its radius, and angular velocity. Then, click on the “Calculate” button to obtain the power output of the flywheel.


The formula used to calculate the power of a flywheel is:


  • P = Power (in watts)
  • I = Moment of inertia of the flywheel (in kg m²)
  • ω = Angular velocity of the flywheel (in radians per second)

Example Solve

Let’s consider a flywheel with a mass of 10 kg and a radius of 0.5 meters, rotating at an angular velocity of 100 radians per second.

Using the formula:

Thus, the power output of the flywheel is 50000 watts.


Q: Can this calculator be used for flywheels of any shape?
A: Yes, the calculator can be used for flywheels of any shape as long as the necessary parameters (mass, radius, angular velocity) are known.

Q: What are the units of measurement for the inputs?
A: Mass should be in kilograms (kg), radius in meters (m), and angular velocity in radians per second (rad/s).

Q: Is there any limit to the size of flywheel this calculator can handle?
A: No, there is no specific limit. The calculator can handle flywheels of any size as long as the inputs are within reasonable ranges.


The flywheel power calculator simplifies the process of determining the power output of a flywheel, aiding engineers and enthusiasts in various applications. By inputting key parameters into the calculator, users can quickly obtain accurate results, facilitating efficient design and analysis of flywheel systems.

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