Racing Downloads and Software

Gear Ratio ProgramGear Ratio Calculator

(1) Program (.exe)
Calculates the gear ratio required to produced the desired rpm at any mph. Want to know the right gear for staying under 7000 rpm on the track? Want to know the right gear to stay under 3000 rpm on the highway? This will tell you.
  • Input: RPM
  • Input: Tire Diameter
  • Input: MPH
  • Input: Converter Slippage % (manual trans = 0)
  • Output: Gear Ratio Required

Runs on all versions of Microsoft Windows

Part of the "Drag Racing Pack" collection of programs.