Tire Conversion Charts

This page is set up to help you determine what size tire is best to put on your car in terms of keeping your speedometer accurate. It also includes the effect of going to a larger rim size, if you are considering it. The sizes listed do not mean that it is actually a readly available size, only that it is close in size to the original.

If Your Original Tire Size is 165-R15

If Your Original Tire Size is 185-R15

1