CALCULATORS FOR WHEELS, RIM WIDTH, OFFSET AND ROLL PERIMITER
Here you can get help calculating wheel-sizes, offset (et), roll perimeters & rim widths.
Wheels, Roll Perimeter & Rim Width Calculator
Wheels & Roll Perimeter Calculator
Offset (ET), Wheels & Roll Perimeter Calculator
* Difference of roll perimeter should not be more- or less than 2.0% from standard (between new and original tires).
Corvette C6’s differ approx. 4.3% in roll perimeter between front and rear tires by default. They MUST NOT be the same.
Always use difference between original front and rear tires as reference!
Disclaimer – Information and calculators above have been collected from many sources, and are not verified.