For the measurements of your Original Equipment (OE) tire, or the current tire on your vehicle, simply enter the size. Our calculator will provide you with the Sidewall Height, Section Width, Overall Diameter, Circumference, and Estimated Revolutions Per Mile.
If you want to do a side-by-side comparison of two different tire sizes, simply enter your current tire size, followed by the new tire size. The calculator will provide the Sidewall Height, Section Width, Overall Diameter, Circumference, and Revolutions Per Mile, as well as an approximation of the difference in speedometer reading. This can help you determine what sizes will work for your vehicle if you are considering changing tire sizes.
Looking for the dimensions in inches (known as the flotation tire size), for your metric tire size? See our conversion chart and get more info on flotation tires. As always, get expert information by calling or stopping by your local America's Tire store.