Gear Ratio Calculator

Calculate the gear ratio by entering the number of teeth on the driving and driven gears.

Source / method note

The gear ratio is calculated by dividing driven gear teeth by driving gear teeth. Formula: Gear Ratio = Driven Teeth / Driving Teeth.

Legal / official rate note

This tool is for educational and informational purposes. Friction, efficiency losses, and other physical factors are not included; real-world performance may vary.

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