Calculate speed based on transmission ratios, rear gear ratio, RPM and tire size. In addition, enter a finish gear and speed to determine the optimum gearing to hit the maximum RPM.

Tire Height: 25.66 inches
5 Speed Manual
Optimum final drive ratio to achieve predicted MPH: 4.06
Actual final drive ratio in finishing gear: 4.1
Off optimum gear ratio: -0.98%
MPH/RPM Variables
  1. Transmission Type
Drive Tire Size
Rearend Gearing