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Fuel Cost Calculator

Compute the cost of fuel for a trip given distance, consumption, and price.

Inputs
Enter your values below.
Result
Your answer appears here.

Enter values and press Calculate — the result appears here.

How it works
The formula behind this calculator.

cost = distance × (consumption / 100) × pricePerLiter

distance
Distance to drive (km or mi)
consumption
Fuel economy (L/100km or MPG)
price
Fuel price per unit

AC reduces fuel economy by 3–10% on most cars. Open windows matter less above 80 km/h.

Example: 300 km at 8 L/100km and $1.40/L = $33.60

Ref: EPA fuel economy tests

Tips
  • 💡 Fuel economy drops sharply above 80 km/h (50 mph) due to air resistance.
  • 💡 AC reduces fuel economy by 3–10% on most cars. Open windows matter less above 80 km/h.

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