Fuel Cost Calculator

Calculate how much your trip will cost in fuel.

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Gallons Used
Cost Per Mile
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Frequently Asked Questions

How is fuel cost calculated?
Gallons = Distance / MPG. Cost = Gallons × Price per gallon.
How do I find my car's MPG?
Check fueleconomy.gov for EPA estimates. For actual MPG: fill up, reset trip meter, drive, fill up again, divide miles by gallons.
How can I improve fuel economy?
Maintain proper tire pressure, avoid aggressive driving, remove excess weight, use cruise control, and keep up with maintenance.
Is it cheaper to drive or fly?
For solo travel, flying is often cheaper for distances over 300 miles. With passengers, driving becomes more cost-effective.
How do I convert MPG to L/100km?
L/100km = 235.215 / MPG. Example: 25 MPG = 9.4 L/100km.

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+fmt(cost/Math.max(1,d),2)+'/mi');}calculate();autoCalc(calculate);