Tire Size Calculator*

Size / R





Tire Size Visualizer

Input Values and Press Calculate to view tire
25.5" 9.3"
3.2" 80.0"

*Warning: These calculations only reflect nominal tire dimensions, which are often subtly or substantially different than the tire's actual physical size and/or the dimensions provided by the tire manufacturers. If you are working with close fitment tolerances or trying to maintain the original tire diameter of staggered size fitments (similarities or differences) should use the tire manufacturer's specifications for the exact tire(s) they are considering. Actual Tire Section Width is Dependent on Wheel Width. All tire sizes are assigned specific rim widths upon which they are measured (measuring rim), as well as can often be mounted on slightly narrower or wider wheels (rim width range). Therefore, it is important to note that the actual tire section width will depend on the wheel width the tire is mounted on.

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