How is the cost of a trip calculated?
Multiply the distance in kilometres by the consumption per 100 km, divide by 100 to get the litres needed, then multiply the litres by the price per litre.
Fuel consumption and trip cost calculator
Find out how much a trip costs, how many litres you need, what each person pays and your car's real consumption. Example: 100 km at 6.5 litres per 100 km uses 6.5 litres. At the average diesel price on 15 November 2026, 10.70 RON/litre, the trip costs about 69.55 RON.
Trip cost
Estimated total cost61.88 RON
- Fuel needed: 6.5 litres
- Cost per person: 61.88 RON
- Cost per 100 km: 61.88 RON
- Cost per kilometre: 0.62 RON
The price is prefilled with the current national average. Replace it with the price at your station.
Your car's real consumption
Fill the tank, note the kilometres driven until the next fill-up and how many litres you added.
Real consumption—
Frequently asked questions
How do I calculate my car's real consumption?
Fill the tank, note the kilometres driven until the next fill-up, then divide the litres added by the kilometres and multiply by 100.
Which price does the calculator use?
The price is prefilled with the national average reported on 15 November 2026. You can change it to your station's price.