Gear Calculator
Quickly calculate gear ratios, sizes, and distances with our free online gear calculator, perfect for engineers, students, and DIY hobbyists.

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About This Tool
The Gear Calculator is a comprehensive online tool designed to assist mechanical engineers, hobbyists, and students in calculating key gear parameters. By entering gear teeth counts, module, or pitch, users can instantly determine gear ratios, diameters, and center distances, crucial for designing gear trains and mechanical systems.
The calculator supports multiple units, enabling seamless transition between metric and imperial systems. Its intuitive interface facilitates quick data entry and provides clear, accurate results in real-time, reducing the need for manual calculations and minimizing errors.
Whether you're designing a complex gear mechanism for industrial robots or planning a DIY project, this tool streamlines your workflow. Advanced features include optional efficiency estimates and load capacity calculations, as well as a history log of previous calculations for reference.
By automating these calculations, the Gear Calculator empowers professionals and enthusiasts to optimize designs, ensure compatibility, and save valuable time. It is ideal for use in mechanical design, manufacturing, education, and hobbyist projects.
How to Use
1. Enter the number of teeth for each gear.
2. Select the units (metric or imperial).
3. Input the module or pitch if known.
4. Click 'Calculate' to view gear ratios, diameters, and distances.
5. Use the options to copy, export, or reset the results.

FAQs/Additional Resources
Find Quick Answers
How do I determine the number of teeth for gears?
Can this tool help me design gear trains?
Is the calculator suitable for both metric and imperial systems?
Can I save my calculation results?
Does the tool estimate gear load capacity?
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