Trip Fuel Cost Calculator
Estimate fuel cost for any trip based on distance, fuel economy and fuel price.
Results
Planning a road trip and wondering how much gas will cost? This fuel cost calculator works with any combination of miles or kilometers, MPG or L/100km and price per gallon or per liter. Enter your trip details and get an instant estimate of total fuel cost plus per-mile and per-kilometer breakdowns. Great for budgeting road trips, comparing driving vs flying or splitting fuel costs with passengers.
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Frequently asked questions
Divide your trip distance by your car's fuel economy to get fuel needed, then multiply by fuel price. For example, a 500-mile trip at 30 MPG needs 16.7 gallons. At $3.50/gallon that is $58.33.
At 30 MPG and $3.50 per gallon, driving 1000 miles costs about $116.67 in fuel. At 25 MPG the same trip costs $140. Fuel economy makes a big difference on long trips.
Divide fuel price per gallon by your MPG. At $3.50/gallon and 30 MPG, fuel costs about $0.117 per mile or roughly 12 cents per mile.
Yes. Most cars are most fuel-efficient at 45-65 mph. Driving at 75 mph instead of 65 mph can reduce fuel economy by 10-15%, increasing your trip cost significantly.
A typical SUV getting 22 MPG costs about 36% more in fuel than a sedan getting 30 MPG for the same trip. On a 500-mile trip at $3.50/gallon, that is about $80 vs $58.