Question 1

How do I calculate fuel cost for a trip?

Accepted Answer

Divide trip distance by mileage to get liters needed, then multiply by fuel price per liter.

Question 2

Why is real mileage lower than claimed mileage?

Accepted Answer

Traffic, AC use, speed, tire pressure, road gradient, and driving style can reduce real-world mileage.

Question 3

How is cost per kilometer calculated?

Accepted Answer

Cost per kilometer is total trip fuel cost divided by trip distance.

Question 4

Can this compare petrol and diesel trips?

Accepted Answer

Yes. Run the calculation once for each fuel price and vehicle mileage to compare total cost.