Speed Calculation

Transmission

Pick a preset or tune ratios manually.

Transmission

1st Gear Ratio

2nd Gear Ratio

3rd Gear Ratio

4th Gear Ratio

5th Gear Ratio

6th Gear Ratio

7th Gear Ratio

8th Gear Ratio

9th Gear Ratio

10th Gear Ratio

Ratios, final drive, and tire size.

Transfer Case

Final Drive

Tire Height (in)

Define the RPM window and shift point.

Min RPM

Max RPM

Shift RPM

Compare speeds by gear.

Density

Enter your ratios and RPM ranges to generate the graph.