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Gas Mileage Calculator

Calculate fuel costs and MPG for any trip. Compare gas costs across different fuel prices. See annual fuel cost projections and compare to electric vehicle operating costs with 5-year savings estimates.

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How to Use Gas Mileage Calculator

  1. 1Enter trip distance
  2. 2Set fuel price and vehicle MPG
  3. 3View trip fuel cost
  4. 4Compare annual costs with EV

Frequently Asked Questions

Fill your tank completely, note the odometer reading. Drive normally until you need fuel again. Fill up and note gallons used and new odometer reading. MPG = (ending odometer - starting odometer) / gallons used.

Compact cars: 30-40 MPG. Sedans: 25-35 MPG. SUVs: 20-28 MPG. Trucks: 15-22 MPG. Hybrids: 40-55 MPG. Any vehicle getting over 30 MPG combined is considered good. Over 40 MPG is excellent.

EVs cost about $0.03-0.05 per mile for electricity vs $0.10-0.20 per mile for gas. Driving 15,000 miles/year, you save $750-2,250 annually on fuel alone. Over 5 years, that is $3,750-11,250 in fuel savings.

Using the Gas Mileage Calculator is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. No downloads, installations, or sign-ups are required. The tool runs directly in your web browser for maximum convenience.

Yes, the Gas Mileage Calculator is 100% free to use with no limitations. There is no registration required, no daily usage caps, and no hidden fees. You can use it as many times as you need.

The Gas Mileage Calculator uses industry-standard formulas and algorithms to deliver reliable results. While the tool is designed for accuracy, results should be used as estimates and guidance. For critical decisions, always consult a qualified professional.

Yes, after running your calculation you can copy the results to your clipboard or take a screenshot. The Gas Mileage Calculator displays a detailed breakdown so you can easily record or share your numbers. No account is required to use or save results.

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About Gas Mileage Calculator

Calculate fuel costs and MPG for any trip. Compare gas costs across different fuel prices. See annual fuel cost projections and compare to electric vehicle operating costs with 5-year savings estimates.

NexTool's Gas Mileage Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.

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Lifestyle · 7 min read15 Proven Tips to Improve Gas Mileage and Save MoneyPractical tips to improve your car's fuel efficiency by 10-30%. Save hundreds per year on gas with proven driving and maintenance techniques.

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Trip Fuel Cost
$58.33
16.7 gallons needed for 500 miles
Effective MPG
30.0
Cost per Mile
$0.117
Miles per $1
8.6
Annual Fuel Cost Estimate
Based on 12,000 miles per year
Your Annual Fuel Cost
$1,400.00
400 gallons/year
Monthly Fuel Budget
$116.67
33.3 gallons/month
Gas vs Electric Vehicle Comparison
Your Vehicle (Gas)
30 MPG
$1,400.00/yr
Electric Vehicle
~$0.04/mile avg
$480.00/yr
Potential Annual Savings with EV
$920.00
$4,600.00 over 5 years
Trip Cost at Different Fuel Prices
Price/GalTrip CostCost/MileAnnual Cost
$2.50$41.67$0.083$1,000.00
$3.00$50.00$0.100$1,200.00
$3.50 *$58.33$0.117$1,400.00
$4.00$66.67$0.133$1,600.00
$4.50$75.00$0.150$1,800.00
$5.00$83.33$0.167$2,000.00
$5.50$91.67$0.183$2,200.00
* Your current fuel price
Fuel Saving Tips
  • --Maintain proper tire pressure to improve MPG by up to 3%.
  • --Remove excess cargo weight; every 100 lbs reduces MPG by ~1%.
  • --Use cruise control on highways to maintain steady speed.
  • --Avoid aggressive acceleration and braking to save 15-30% on fuel.
  • --Keep up with regular engine maintenance and oil changes.