Gear Ratio

Our Gear Ratio Calculator displays the gear ratio for your differential based on the tooth counts of your ring gear and pinion gear.

Ring Gear Tooth Count
Pinion Gear Tooth Count
Calculate

Gear Ratio

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Calculator Details

The ratio of a ring and pinion gear set is the number of ring gear teeth divided by the number of pinion gear teeth. Use the results on our RPM Calculator to determine estimated vehicle performance.

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