Ford Transmission Ratio Calculator

MustangTek Gear Ratio Calculator Dashboard

Enter your tire transmission and differential data

Tire Diameter (inches)

Differential Ratio

Gear Ratio: 1st 2nd 3rd 4th 5th

enter manual Gear Ratio or select Transmission type

Tach RPM

Use buttons to increase or decrease engine RPM - 1000 - 100 + 100 + 1000


Use Auto Shift to simulate automaticly running the selected gears up to the specified Shift Limit
Auto Shift

RPM Shift limit

Gears to Auto Shift

In gear

5th gear

4th gear

3rd gear

2nd gear

1st gear



Reset gauges

Shifter