Tire Pressure Temperature Calculator

Units

The reading on a tire gauge.

Pressure at the new temperature

30.3 psi

Change
-4.7 psi
Change per 10°F
0.94 psi
Change as a share of the reading
-13.4%

Assumes the tire’s volume stays the same and no air leaks. Set pressure cold, to the number on the driver’s door jamb sticker, not the maximum on the tire.

Open the full tire pressure temperature calculator with the formula and FAQs at Calcs for Life