Is this Gear Ratio Calculator free to use?

Yes, Gear Ratio Calculator is 100% free to use online with no installation or account required.

How do I use the Gear Ratio Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

Gear Ratio Calculator — Free Online Tool

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Calculate gear ratio, speed change, and torque multiplication

Instructions: Enter the number of teeth on the driver (input) gear and driven (output) gear to compute the gear ratio.

Gear Parameters

Driver Teeth ($N_{driver}$)

Driven Teeth ($N_{driven}$)

⚠️ For mechanical engineering and physics education reference only. Tooth counts must be positive integers.

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