Fuel Cost

Trip fuel cost from mileage

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About this tool

Enter your driving distance, fuel efficiency, and fuel price per liter to estimate how much fuel this trip will cost. It also shows the liters needed and the cost per kilometer, handy for comparing vehicles or routes.

How to use

  1. Enter the distance in km, or use a preset like Seoul-Busan, Seoul-Gangneung, or a commute.
  2. Enter fuel efficiency in km per liter.
  3. Enter the fuel price per liter.
  4. Check the liters needed, total cost, and cost per km.

Frequently asked questions

How is the fuel cost calculated?
Liters needed = distance / fuel efficiency, and cost = liters x price per liter.
How is the cost per km calculated?
It is the price per liter divided by fuel efficiency. For example, at 1,650 won per liter and 12 km/L, that is about 137.5 won per km.
Why is my real fuel efficiency lower than the rated figure?
Rated efficiency is measured under fixed test conditions. Real driving usually comes in lower because of hard acceleration, air conditioning, traffic, and cargo weight. Using your dashboard average or recent fill-up records gives a more accurate estimate.
Is my input sent to a server?
No. Everything is calculated in your browser and never leaves the page.

This is an estimate; actual fuel cost varies with driving habits, road conditions, and fuel price changes.

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