Tire Pressure Temperature Calculator

This calculator helps you determine how tire pressure changes with temperature using the Ideal Gas Law. It's useful for maintaining proper tire pressure in varying weather conditions.

Input Parameters

Calculation Results

Calculation Formula

P₂ = P₁ × (T₂/T₁)

Where:
P₁ = Initial Pressure
T₁ = Initial Temperature (in Kelvin)
T₂ = Final Temperature (in Kelvin)
P₂ = Final Pressure

Result

Final Tire Pressure (PSI): --

Pressure Change: --

Pressure Change Percentage: --

Tire Pressure Temperature Calculator Calculator Usage Guide

Learn how to use the Tire Pressure Temperature Calculator and understand the relationship between temperature and tire pressure.

How to Use This Calculator

  1. Enter your current tire pressure in PSI (pounds per square inch).
  2. Enter the current temperature in Fahrenheit.
  3. Enter the final temperature you expect (e.g., when you plan to drive or after driving).
  4. Click the "Calculate" button to see the predicted final pressure and the change.

Understanding the Formula

This calculator uses the Ideal Gas Law to estimate how tire pressure changes with temperature. The formula is:

P₂ = P₁ × (T₂/T₁)

Where:

  • P₁ = Initial Pressure
  • T₁ = Initial Temperature (in Kelvin)
  • T₂ = Final Temperature (in Kelvin)
  • P₂ = Final Pressure

This shows that tire pressure increases approximately 1 PSI for every 10°F increase in temperature (under ideal conditions).

Important Notes

  • Always check tire pressure when tires are cold (before driving or after the vehicle has been parked for several hours).
  • Temperature changes can significantly affect tire pressure, so it's important to adjust accordingly.
  • This calculator provides an estimate and should be used as a guide. For precise measurements, always use a quality tire pressure gauge.