Mileage Calculator
Calculate fuel efficiency and mileage.
- On your device
- No signup
A fuel cost calculator estimates gas spend from trip distance, vehicle MPG, and fuel price per gallon or liter.
Private on your device
Your information stays on your device and is not uploaded.
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Enter trip distance in miles, your vehicle’s MPG, and fuel price per gallon to estimate gallons needed, total gas cost, and cost per mile for a road trip.
1. Enter trip distance and your vehicle’s fuel economy (mpg or L/100km). 2. Enter the current fuel price per gallon or liter. 3. Click Calculate. 4. Review estimated fuel cost for the trip. 5. Change distance or price to compare scenarios.
Example: 300 miles at 30 mpg with $3.50/gal fuel costs about $35 in gasoline—estimates only, not live pump prices.
Enter trip distance in miles, your vehicle’s fuel efficiency in miles per gallon, and the fuel price per gallon. The calculator estimates gallons needed, total fuel cost, and cost per mile. Tolls, maintenance, and other trip costs are not included.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Your data stays on your device and is not uploaded.
FAQ
Distance is in miles, efficiency is in miles per gallon (MPG), and fuel price is per gallon.
Gallons needed equal distance divided by MPG. Total cost is gallons times fuel price.
No. Results estimate fuel cost only.
Estimates fuel spend from distance, MPG, and price per gallon or liter.
Fuel needed = distance ÷ MPG (or L/100km); cost = fuel × price.
This tool runs in your browser. Your inputs are not uploaded to our server.
Try Road Trip Cost Calculator, Mileage Calculator, or EV Charging Cost Calculator.
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