Fuel Cost Per KM Calculator
Work out your exact fuel cost per kilometer and per trip. Turn on the second vehicle to compare two cars or routes side by side and see which one saves money.
Vehicle 2
Breakdown
How to use
- Enter the current fuel price per liter and your car fuel economy.
- Enter a trip distance to price one trip, and your monthly distance for monthly and yearly costs.
- Turn on the second vehicle to compare two cars side by side.
Note: Cost per km = fuel price / fuel economy (km per liter). Real costs vary with traffic and driving style. This is an estimate.
Tips
- Drive smoothly and keep tires inflated — this often improves economy by 10 percent or more.
- For long trips, compare routes: a longer but faster route can cost less in fuel.
- Track actual fill-ups for a month to get your real economy, not the brochure number.
Frequently Asked Questions (FAQ)
How is fuel cost per km calculated?
Divide the fuel price per liter by the fuel economy in km per liter. Multiply by 100 for cost per 100 km.
Can I enter liters per 100 km instead?
Yes, switch the economy mode and enter liters per 100 km; the tool converts it for you.
How does the vehicle comparison work?
Turn on the second vehicle block, enter its numbers, and the tool shows both side by side with the cheaper one highlighted.
What do the trip distance and monthly distance fields change?
The optional trip distance estimates the fuel cost of one journey, while the monthly distance projects your fuel spending over a whole month.