Calculate your tire diameter, rim width, section width and revolutions per mile by entering the tire cross section, aspect ratio and wheel diameter values.
| Tire Cross-Section | ||
| Aspect Ratio | ||
| Wheel Diameter | ||
| Tire Diameter (in inches) | ||
| Approx. Section Width (in inches) | ||
| Approx. Rim Width (in inches) | ||
| Revs per Mile | ||
Please be advised: The accuracy of this calculator and its applicability to your circumstances is not guaranteed. It's meant to be used as an informational guide only. Always obtain professional advice from qualified automotive professionals.