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RANDYS Worldwide Automotive
Simple Differential Gear Ratio Calculator | RANDYS Worldwide

Gear Ratio Calculator

Try our simple and easy to use Gear Ratio Calculator to quickly find the correct gear ratio for your differential. Simply enter the number of teeth on your ring gear and pinion gear and click the "Solve" button.

Ring Gear Pinion Gear   Gear Ratio

Once you’ve determined the correct gear ratio for your vehicle, explore ring and pinion options that match your differential and vehicle specifications via Diff Wizard, our differential parts identifier.

Differential Part Finder