RPM Comparator

Compare RPM for up to 4 different tire sizes at a given speed. Side-by-side comparison table.

How to Use the RPM Comparator

Enter up to 4 tire sizes and set a driving speed to compare RPM across all sizes simultaneously.

Larger diameter tires result in lower RPM at the same speed, which can improve fuel economy on highways.

Use this tool to compare multiple tire options and find the best size for your driving needs.