How accurate are these calculations?

Formulas adhere strictly to industry engineering and trade handbook standards. Always allow safety margins for critical real-world installations.

Does this tool transmit any personal or project data?

No. All calculations run strictly client-side inside your browser. No data ever leaves your computer.

What does the Flywheel Kinetic Energy Storage Calculator give me?

It works out Stored Kinetic Energy, Stored Energy, Outer Rim Tangential Velocity and Mass Moment of Inertia, updating live as you change the inputs.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Does it work on a phone?

Yes. The layout adapts to small screens and needs no app or signup.

Flywheel Kinetic Energy Storage Calculator

Calculate rotational kinetic energy in Joules, Watt-hours, rim peripheral speed, and moment of inertia for mechanical energy storage rotors.

100% free
Private in browser
No signup
No watermarks

Flywheel Rotor Mass (kg)

Outer Rotor Radius (meters)

Inner Rotor Radius (meters, 0 for solid disk)

Rotational Velocity (RPM)

Stored Kinetic Energy (Watt-Hours Wh)

178.2

Stored Energy (Kilojoules kJ)

641.5

Outer Rim Tangential Velocity (m/s)

188.5

Mass Moment of Inertia (kg·m²)

3.25

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About Flywheel Kinetic Energy Storage Calculator

Calculate rotational kinetic energy in Joules, Watt-hours, rim peripheral speed, and moment of inertia for mechanical energy storage rotors. You get Stored Kinetic Energy, Stored Energy and Outer Rim Tangential Velocity straight away. Everything runs in your browser, so your data never leaves your device.

How to use Flywheel Kinetic Energy Storage Calculator

Enter your specific project and environment input parameters
Review the computed values, conversions, and ratings in real-time
Adjust variables to simulate different scenarios and tolerances

Key features

Instant dynamic client-side calculations
Interactive sliders and numeric inputs
Industrial and engineering formulas validated against standards
100% private and offline in-browser execution

Frequently asked questions

How accurate are these calculations?: Formulas adhere strictly to industry engineering and trade handbook standards. Always allow safety margins for critical real-world installations.
Does this tool transmit any personal or project data?: No. All calculations run strictly client-side inside your browser. No data ever leaves your computer.
What does the Flywheel Kinetic Energy Storage Calculator give me?: It works out Stored Kinetic Energy, Stored Energy, Outer Rim Tangential Velocity and Mass Moment of Inertia, updating live as you change the inputs.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?: Yes. The layout adapts to small screens and needs no app or signup.

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