Potential Speed Calculator

Enter Maximum Safe Engine RPM
Enter Tire Size Diameter
Enter Differential Gear Ratio :1
Enter Transmission Gear Ratio :1
Potential Calculated
Vehicle Speed

Enter the maximum safe engine RPM. Enter the tire size diameter. Enter the differential gear ratio and the transmission gear ratio. Click on Calculate Potential Speed. The value will be returned in both miles per hour and kilometers per hour. To do another, click the Clear Values button and then enter a new set of values.