Tire Pressure Fuel Economy Calculator
Calculate how proper tire pressure affects your fuel economy and savings. Understand the relationship between tire inflation, rolling resistance, and fuel consumption.
Step 1: Vehicle Details
Understanding Tire Pressure
Proper tire inflation reduces rolling resistance, which can improve fuel economy by up to 3%. Underinflated tires can decrease fuel efficiency by 0.2% for every 1 PSI drop in pressure.
Step 2: Tire Details
About Tire Pressure
The recommended tire pressure is usually found on a sticker inside the driver’s door jamb or in your vehicle’s manual. Proper inflation improves safety, extends tire life, and maximizes fuel efficiency.
Fuel Economy Results
Estimated Annual Savings
Fuel Economy Comparison
| Vehicle Type | Underinflated MPG | Properly Inflated MPG | Annual Savings | CO2 Reduction |
|---|
Tire Pressure Impact Analysis
Fuel Economy Formula
Fuel Economy Loss = (Recommended PSI – Current PSI) × 0.2% per PSI
Proper tire pressure reduces rolling resistance, which directly impacts fuel consumption. For every 1 PSI below recommended pressure, fuel economy decreases by approximately 0.2%.
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