Gas Mileage Calculator – MPG and Fuel Efficiency

Calculate your vehicle's gas mileage (MPG) and fuel efficiency. Track fuel consumption, compare vehicles, and monitor your car's performance over time.

Gas Mileage Calculator – MPG and Fuel Efficiency

Calculate your vehicle's gas mileage (MPG) and fuel efficiency. Track fuel consumption, compare vehicles, and monitor your car's performance over time.

Distance driven

Unit for distance

Amount of fuel consumed

Unit for fuel

25.0
Miles per Gallon
Average
Poor (0-20)Average (20-30)Excellent (40+)
$42.00
Total Cost
$0.14
Cost per Mile
300 miles • 12 gallons

Calculating Fuel Efficiency

Monitoring your vehicle's gas mileage helps track performance, identify maintenance needs, and compare fuel efficiency between different vehicles or driving conditions.

How to Use This Calculator

Follow these simple steps to get accurate results:

  1. Enter your distance traveled
  2. Enter your distance unit
  3. Enter your fuel used
  4. Enter your fuel unit
  5. Click the "Calculate" button to see your results
  6. Review the detailed breakdown and explanation

Why Use Our Gas Mileage Calculator – MPG and Fuel Efficiency?

  • 100% free and no registration required
  • Instant, accurate calculations with professional formulas
  • Mobile-friendly design that works on any device
  • Privacy-focused - your data never leaves your browser
  • Educational content to help you understand the results

Frequently Asked Questions

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