The new version of Stephen Penney’s invaluable Car Calculator tool, completely rebuilt from scratch with comprehensive functions and completely free for car enthusiasts. Version 3 adds even more than the wildly popular V2.2

Convert and calculate:

  • Power
  • Torque
  • Speed
  • Displacement
  • Boost
  • Distance
  • Mileage
  • Flywheel power
  • Fuel Economy
  • Speedo
  • Fuel Consumption
  • Tyre Diameter and Stretch
  • 1/4 mile and 0-62MPH(100kmh)
  • Theoretical Top Speed
  • and more!


Please consider donating a small amount to Steve for the hard work spent on the brand new Car Calculator 3, FREE for all car enthusiasts!