Slotcar GearCalc

GearCalc – The Slot Car Gear Ratio Calculator

With GearCalc, you can easily calculate the gear ratio of your slot car! Enter your slot car's current values and start your first calculation.

How it works:

Input the current values: Enter the values for the motor pinion, the rear axle crown gear, and the tire diameter of your slot car.
Start the calculation: Calculate your slot car's gear ratio with just one click.
Compare with new values: Now, input your desired values and perform another calculation.
Reference calculation: Compare the new calculation with the first one (reference calculation) to see how your slot car behaves with the new values!
GearCalc helps you quickly and easily determine how changes to your setup affect your slot car's performance, offering a practical way to compare different setups.