Tire Size Calculator
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Guide & Explanations

How to use

  1. Enter tire width: Input the width in millimeters (e.g., 225)
  2. Enter aspect ratio: Input the aspect ratio as a percentage (e.g., 50)
  3. Enter wheel diameter: Input the wheel diameter in inches (e.g., 17)
  4. Click Calculate: Get detailed tire dimensions
  5. View alternatives: Check compatible tire sizes with diameter differences

Note: When selecting alternative tires, aim for less than 3% diameter difference to avoid speedometer errors and potential mechanical issues.