Is this Chain Length Calculator free to use?

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

How do I use the Chain Length 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.

Chain Length Calculator — Free Online Tool

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Calculate bicycle chain length in links

Note: Links = 2×C + (F/4 + R/4 + 1). C=chainstay(mm), F=big chainring, R=big cog.

Drivetrain

Chainstay Length (mm)

Largest Chainring (teeth)

Largest Cog (teeth)

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