Race Tire Pressure & Temperature Calculator

Auto Racing

Calculator inputs

Enter your race-car data, then select Calculate.

LF cold pressure (psi)LF cold tire temp (°F)LF expected hot temp (°F)RF cold pressure (psi)RF cold tire temp (°F)RF expected hot temp (°F)LR cold pressure (psi)LR cold tire temp (°F)LR expected hot temp (°F)RR cold pressure (psi)RR cold tire temp (°F)RR expected hot temp (°F)Target hot pressure (psi)

Race setup results—Calculated from the values entered above.

Estimated hot-pressure spread—

Average estimated hot pressure—

Formula

Using an ideal-gas planning approximation with absolute pressure: P₂(abs) = P₁(abs) × T₂(abs) ÷ T₁(abs). Gauge pressure is converted using atmospheric pressure before and after the calculation.

How to use it

Enter each corner’s cold gauge pressure, cold tire temperature, and expected stabilized hot temperature. Add the desired hot pressure. The calculator estimates hot pressure and the cold pressure that would theoretically reach your target.

Understanding the result

This is a temperature-compensation model, not a tire-manufacturer setup specification. Real racing tires change volume, carcass shape, moisture content, and heat distribution. Use actual hot-pit data to refine your targets.

Important: Racing setup is vehicle-, tire-, track-, and rules-dependent. Treat calculated values as planning targets, not guaranteed safe settings.

Motorsports Learning & Resources

Continue learning with engineering, sanctioning, safety, and race-technology resources.

National Motorsport AcademyOnline motorsport engineering degrees and industry-led training.Purdue Motorsports EngineeringMotorsports engineering education, projects, and career pathways.SAE International – Vehicle DynamicsEngineering fundamentals for acceleration, braking, handling, steering, and suspension.Formula SAEStudent race-car engineering competition information and technical resources.OptimumGVehicle dynamics education, software, seminars, and engineering resources.Racecar EngineeringTechnical motorsport articles covering race-car design and technology.SCCASports Car Club of America competition, events, rules, and driver resources.NASA Pro RacingNational Auto Sport Association racing, time trial, HPDE, and competition resources.FIAInternational motorsport regulations, safety, and technical information.High Performance AcademyPractical performance-car tuning, wiring, data, suspension, and motorsport training.