Is this Bike Gear Calculator free to use?

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

How do I use the Bike Gear 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.

Bike Gear Calculator — Free Online Tool

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Calculate gear ratio and gear inches

Note: Gear Ratio = chainring ÷ cog. Gear Inches = ratio × wheel diameter (in).

Drivetrain

Chainring Teeth

Cog Teeth

Wheel Diameter (in)

⚠️ For educational and training purposes only. Consult a coach, physician, or certified trainer before making training or health decisions.