Racing Downloads and Software

Tire Diameter ProgramTire Diameter Calculator

(1) Program (.exe)
Calculates the required tire diameter to come up with the wanted rpm for your application. What tire will keep you under 3000 while going down the highway? What tire will keep you under 7000 at the track? Find out.
  • Input: Gear Ratio
  • Input: MPH
  • Input: RPM
  • Input: Converter Slippage (manual trans = 0)
  • Output: Tire diameter

Runs on all versions of Microsoft Windows

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