Fuel Consumption Calculator
Calculate your vehicle fuel consumption in L/100km, km/L, and MPG. Metric and imperial units. Optional cost per km calculation. Free.
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Fuel Calculator Price
Fuel Calculator Guide
| Fuel Calculator Guide Category | L/100km |
|---|---|
| Fuel Calculator Guide Excellent | < 5 |
| Fuel Calculator Guide Good | 5–7 |
| Fuel Calculator Guide Average | 7–10 |
| Fuel Calculator Guide Poor | > 10 |
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Fuel Consumption Calculator — MPG and Cost per Mile
The Fuel Consumption Calculator is a free online tool that helps you calculate your vehicle's fuel efficiency, the cost per kilometer (or per mile) of driving, and the total fuel cost for a given trip. Enter the distance traveled, the amount of fuel consumed, and the fuel price per liter, and the calculator instantly shows your fuel consumption rate (liters per 100 km or km per liter), cost per kilometer, and total fuel expenditure for the trip.The calculator supports multiple measurement systems: km/L (common in Brazil), L/100km (European standard), and MPG (miles per gallon, US and UK standards). You can easily compare vehicles by running the calculation with different consumption figures. The tool also includes a trip cost estimator — enter the planned distance and fuel price to see the estimated fuel cost before you travel. This helps with budgeting road trips, daily commutes, and fleet operating costs.Drivers use this tool to monitor their vehicle's fuel efficiency over time and detect problems (sudden drops in fuel economy may indicate maintenance needs). Fleet managers track fuel costs across multiple vehicles. Road trippers budget fuel expenses before long journeys. Car buyers compare the real-world fuel costs of different vehicles they are considering. Delivery companies calculate per-delivery fuel costs for pricing decisions. All calculations run in your browser with no data sent to servers.Fuel Consumption Calculator is part of the facilita.tools collection of free automotive utilities. Available in Portuguese, English, and Spanish, optimized for mobile and desktop.
Frequently Asked Questions
How to calculate fuel consumption?
Fill up the tank, note the odometer, drive normally. At the next full tank, divide the miles driven by the gallons filled.
What is good fuel consumption for a car?
City driving: 25-35 MPG is good. Highway: 35-45 MPG. Hybrids can exceed 50 MPG in city driving.
How to calculate cost per mile?
Divide the price per gallon by your MPG. Example: $3.50/gallon divided by 30 MPG = $0.12 per mile.