Tire Size Comparison

What you can do

Compare nominal geometry, rotations and speedometer examples. You can see how different tire sizes affect your vehicle's speedometer reading.

How to use it

1. Enter the current tire size and the desired alternative size.
2. Compare the differences in diameter, circumference, and rotations per mile.
3. Review the estimated speedometer adjustment needed for the new size.

Designed around this task

Tire Size Comparison opens in its own focused workspace. Find it through search or the tool catalog, then add it to favorites for repeat tasks. Light and dark appearance follow your app preference.