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Tool archived
Track Day Tire Calculator is no longer available
This standalone calculator has been sunset as we focus TireSize.app on the core tire sizing, fitment, and safety toolkit.
We still cover the same questions through the following TireSize.app experiences:
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Sports Car Calculator
Plan staggered summer setups and 200-treadwear tire upgrades.
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Mod Upgrade Analyzer
Verify clearance, load, and speedometer error before each track setup.
Need another calculator? Browse the full suite at TireSize.app Specialty Calculators.