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Gear Ratio Calculator

Calculate gear ratios and overall drive ratios for your transmission.

On-Device

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About Gear Ratio Calculator

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

How to use Gear Ratio Calculator

  1. Enter teeth count
  2. View ratio
  3. Calculate overall ratio with final drive

Use cases for Gear Ratio Calculator

  • Transmission tuning
  • Off-roading gear planning

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