Wheels & Roll Perimeter

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


Tyre Size to Compare
Diameter
Circumference
Suggested Rim Width
Front Size
Rear Size
Difference %

Wheels & Roll Perimeter Calculator

  TIRE WIDTH PROFILE WHEEL DIAMETER
ORIGINAL TIRES
NEW TIRES
  Height Profile Roll Perimeter   Height Profile Roll Perimeter
ORIGINAL TIRES (CM) DIFFERENCE (CM) *
NEW TIRES (CM) DIFFERENCE (%) *

Offset (ET), Wheels & Roll Perimeter Calculator

      TIRE WIDTH PROFILE WHEEL DIAMETER
Current Wheel Width  inches Current Wheel Offset  mm. ORIGINAL TIRES 
New Wheel Width  inches New Wheel Offset  mm. NEW TIRES 
Based on your stock wheel setup, your new wheel will have:
  Diameter Difference
ORIGINAL TIRES (IN.) INCHES (IN.) Speedo @60mph will read: mph
NEW TIRES (IN.) PERCENT (%)

* 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.

Suggested Rim Size & Bolt Pattern from Wheel-Size.com