Fuel cost per 100 km
Cost per 100 km is the best metric to compare cars and routes — because the fuel price is included. For a quick result you can also use the calculator.
Formula
Fuel cost per 100 km = consumption (L/100 km) × price per litre
Example: 6.8 L/100 km × €1.85 = €12.58 per 100 km
Example calculation
- Consumption: 7.2 L/100 km
- Price: €1.80/L
7.2 × 1.80 = €12.96 per 100 km
Convert to cost per km and trip cost
Cost per km = (cost per 100 km) ÷ 100
Example: €12.96 per 100 km → 12.96 ÷ 100 = €0.1296/km. More details: Cost per km.
Trip cost = km × cost per km
FAQ
How do I calculate cost per 100 km?
Consumption × price.
How do I convert cost per 100 km to cost per km?
Divide by 100.
What is it useful for?
Real comparisons between cars and routes — faster than “litres only”.