Tire Data Calculator
(updated April 2017)
If this calculator doesn't work in this site, try https://bndtechsource.wixsite.com/home/tire-data-calculator
Sorry for any inconvenience.
Your Browser must be able to run JavaTM to be able to use this program.
Explanations for the Input and Output values can be found on the Tire Data Information page.
To calculate the tire-geometric data:
Input the following Tire specific data: Rim Width; Rim Diameter; Tire Aspect Ratio; Tire Section Width;
Select: Tire Load Index Number; Tire Speed Index Letter
Input the following Vehicle specific data: Tire Air Pressure; Vehicle Speed; Vehicle Corner Loads