Tire Comparison Tool

Tire Calculator

Compare two tire sizes side-by-side. Calculate speedometer error, diameter difference, circumference and full specification breakdown.

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Tire Size Tool

Compare sizes, calculate dimensions and speedometer error

Original Tire

Width (mm)

Aspect %

Rim (in)

New Tire

Width (mm)

Aspect %

Rim (in)

Speedo Error
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Diameter Diff

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Circumference

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mm (new tire)

Sidewall Height

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mm (new tire)

Full Specification Comparison

Measurement	Original	New