Tire Stretch Calculator
Calculate tire stretch percentage based on wheel width, tire width, and aspect ratio. Understand how different wheel and tire combinations affect fitment and safety.
Step 1: Tire Specifications
Understanding Tire Stretch
Tire stretch occurs when the tire width is narrower than the wheel width. Mild stretch can improve handling response, but excessive stretch reduces sidewall protection and may be unsafe.
Step 2: Calculation Options
About Tire Stretch Safety
Excessive tire stretch can compromise safety by reducing sidewall stability, increasing risk of bead unseating, and affecting tire wear. Always consult with professionals for extreme fitments.
Tire Stretch Results
Tire Stretch Percentage
Wheel Width Comparison
| Wheel Width | Tire Width | Stretch % | Fitment Type | Safety Level |
|---|
Tire Stretch Analysis
Stretch Calculation Formula
Stretch % = ((Wheel Width × 25.4) – Tire Width) / Tire Width × 100
The stretch percentage is calculated by comparing the wheel width (converted to mm) with the tire width. Positive values indicate stretch, negative values indicate tire bulge. Always consider manufacturer recommendations and safety guidelines.
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