# Final Drive Ratio Calculator

## About Final Drive Ratio Calculator (Formula)

The Final Drive Ratio Calculator is a valuable tool used in automotive engineering to determine the ratio between the number of revolutions made by the engine and the number of revolutions at the wheels of a vehicle. This calculator is commonly used by automotive enthusiasts, mechanics, and engineers to analyze and optimize vehicle performance and fuel efficiency.

The formula for the Final Drive Ratio Calculator involves considering the number of teeth on the ring gear and the number of teeth on the pinion gear in the vehicle’s differential:

Final Drive Ratio = Number of Ring Gear Teeth / Number of Pinion Gear Teeth

To use the calculator, you need to know the number of teeth on both the ring gear and the pinion gear in the vehicle’s differential.

Next, input these values into the formula to calculate the final drive ratio. The result will provide the ratio between the engine revolutions and the wheel revolutions.

The Final Drive Ratio Calculator is essential for understanding the mechanical advantage provided by the differential in the vehicle’s drivetrain. It affects the torque and speed delivered to the wheels, thus influencing acceleration, top speed, and fuel efficiency.

Automotive enthusiasts, tuners, and engineers find the Final Drive Ratio Calculator invaluable for optimizing vehicle performance. By adjusting the final drive ratio, they can achieve a balance between acceleration and top speed, tailor the vehicle’s performance to specific driving conditions, and enhance fuel efficiency.

By using the Final Drive Ratio Calculator, individuals and automotive professionals can make informed decisions regarding gear ratios and drivetrain configurations, resulting in better vehicle performance and an improved driving experience.