Tire Aspect Ratio Calculator


About Tire Aspect Ratio Calculator (Formula)

The Tire Aspect Ratio Calculator allows you to calculate the aspect ratio of a tire based on the tire’s sidewall height and width. The aspect ratio is an important parameter used to describe the tire’s profile and can affect its performance and handling characteristics.

The formula used to calculate the Tire Aspect Ratio is:

Tire Aspect Ratio = Sidewall Height / Tire Width


  • Sidewall Height is the height of the tire’s sidewall in inches.
  • Tire Width is the width of the tire in inches.

By entering the appropriate values into the calculator, you can determine the aspect ratio of the tire. The aspect ratio is expressed as a ratio or a percentage and represents the sidewall height as a percentage of the tire’s width.

Understanding the aspect ratio of a tire is crucial when selecting the right tire size for your vehicle. It helps ensure proper fitment and maintains the intended performance characteristics of the tire.

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