Three simple steps
How to use the Fuel Cost Calculator
- 01
Enter the one-way journey distance.
- 02
Add average fuel consumption and price per litre.
- 03
Choose one or more trips and review fuel and total cost.
Journey calculator
Fuel Cost Calculator
Estimate how many litres a journey needs and its total fuel cost using your vehicle's average consumption.
Instant calculation Runs in your browser
For a return journey, set the number of trips to 2.
Estimated fuel cost
€54.11Fuel needed29.25 L
Total distance450 km
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Worked example
450 km at 6.5 L/100km and €1.85/L
Calculation450 × 6.5 ÷ 100 × €1.85
Result29.25 litres — €54.11
The method
How it works
Fuel required
Distance is multiplied by litres per 100 kilometres, then divided by 100.
Journey cost
Estimated litres are multiplied by the entered local fuel price.
Real-world variation
Traffic, speed, weather, load and driving style can make actual consumption different from the vehicle average.
Helpful answers
Frequently asked questions
How do I calculate a return journey?
Enter the one-way distance and set Number of trips to 2.
Where can I find fuel consumption?
Use the vehicle's trip computer or a realistic long-term average in litres per 100 kilometres.
Are tolls and charging costs included?
No. The result covers liquid fuel only; tolls, parking, maintenance and electric charging are separate.