How is fuel consumption calculated?

Fuel consumption is calculated using the formula: liters used = (distance in km × average consumption in l/100 km) ÷ 100. Total cost is then liters multiplied by fuel price. For example, a 300 km trip with a 7 l/100 km car at 9.16 RON/l costs 192.4 RON.

What is the average car consumption?

An average petrol car consumes between 5 and 8 l/100 km in mixed traffic, while a diesel car consumes between 4.5 and 7 l/100 km. SUVs and large cars can reach 9-12 l/100 km, while compact cars with small engines can go below 5 l/100 km. The calculator defaults to 7.5 l/100 km but you can change it.

What is the cost difference between petrol and diesel?

Today the average price of standard petrol in Romania is 9.16 RON/l and standard diesel 9.56 RON/l. Although diesel may be more expensive per liter, diesel engines consume 15-25% less, so on long trips the total difference reverses in favor of diesel.

Where does the price data come from?

Prices are collected from 1423 gas stations in Romania and updated every 2 hours from public sources (ANPC Price Monitor, direct SOCAR and OSCAR feeds, public pages of the major networks), providing a complete and up-to-date picture of the fuel market.

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Fuel consumption calculator

The fuel cost calculator estimates your trip cost based on your car consumption (l/100 km), distance in kilometers and the current fuel price. Prices are updated automatically: petrol 9.16 RON/l, diesel 9.56 RON/l, LPG 4.39 RON/l (updated 15 mai 2026).

Departure city

Destination city

Average consumption (liters / 100 km)

Fuel type

Distance (km) — or leave empty for auto estimate

How the fuel cost calculator works

The PretCarburant.ro fuel cost calculator estimates the real cost of a trip between two cities in 2 seconds, using real prices from gas stations in the departure city. Unlike other calculators, it uses live data collected from 1423 stations in Romania, updated 12 times a day.

Choose departure and destination city — distance is estimated automatically.
Enter your average consumption (find the value in your car manual or onboard computer).
Select the fuel type: petrol 95, diesel or LPG.
See the compared result: minimum and maximum price on the route, total cost and savings if you refuel at the cheapest station.

Today's fuel prices used by the calculator

Standard petrol 95: 9.16 RON/liter — see petrol price trends
Standard diesel: 9.56 RON/liter — see diesel price trends
Auto LPG: 4.39 RON/liter — see LPG price trends

The price difference between the cheapest and most expensive liter of fuel in the same city may seem small (20-40 bani), but on a long trip of 300+ km, the savings reach 10-20 lei per trip. Multiplied by the number of trips per month, the annual savings can exceed 500 lei.

Cheapest fuel by county | Petrol price today | Diesel price today | Price trend statistics | Gas station map

Fuel consumption calculator

Calculation details

How the fuel cost calculator works

Today's fuel prices used by the calculator