Car & Household

Fuel cost calculator

Liters, costs per kilometer and total costs of a trip.

Updated on Apr 21, 2026 Calculator, calculation path and examples on one page

Back to category: Car & Household

Calculator

Reset Load example

Calculation path

Step by step

  1. Calculate liters

    Formula: Distance / 100 × consumption

    Values inserted: 25.0 / 100 × 5.20

    Result: 1.30 l

  2. Calculate costs

    Formula: Liter × price

    Values inserted: 1.30 × €1.82

    Result: €2.37

Instructions

How to use this calculator correctly

How to use the calculator

  • Enter route, consumption and price per liter.
  • Activate return journey if necessary.

Common mistakes

  • Confusing consumption with price.
  • Enter the route twice and also activate the return journey.

Limits of the calculation

  • Average consumption is assumed.

Related guide: Classify car costs with fuel, electricity, credit and taxes

Examples

Typical calculations

180 km there and back with 6.8 l/100 km.

Commute ride

Total cost: €44.55

Load this example

25 km one way with 5.2 l/100 km.

Short distance

Total cost: €2.33

Load this example

620 km easy with 7.4 l/100 km.

vacation trip

Total cost: €86.25

Load this example

FAQ

Frequently asked questions

Can I calculate the return journey together?

Yes, enable the round trip option.

What does l/100 km stand for?

This is the average fuel consumption per 100 kilometers.

Why is real consumption sometimes higher?

Driving style, load, temperature, speed and city traffic have a major influence on consumption.

Can I also use the computer for vacation trips?

Yes, especially for cost estimates per trip or route.

Are tolls and parking costs included?

No, the calculator only takes fuel into account.

Related calculators

Continue seamlessly

Car loan calculator

Calculate the monthly payment, total amount and interest costs for a car loan.

Sources and notes

Rule status and context

Formula
Cost = distance / 100 × consumption × price