Fuel Calculator: The Cost of Low Air Pressure

Underinflated tires reduce fuel efficiency, causing you to spend more time and money at the gas pump.

The US Department of Energy estimates that gas mileage can be lowered by 0.4% for every 1 PSI drop in the pressure of all four tires. This may not sound like a large expense, but think about the rapid rate at which this cost increases as you rack up mileage. It doesn’t take a long time to check the air pressure in your tires. This regular routine, just once a month or every other time you fill your tank can help save gas, money, and unnecessary wear on your tires.

Fill in the fields above to calculate the cost of low tire pressure, and figure out just how much you can save.

*Calculations based on US Department of Energy gas consumption estimates and assumption that underinflation value persists unchanged throughout the year.

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