⛽ Fuel Cost Calculator

Find out how much your journey will cost in fuel. Brace yourself.

What this tool helps with

Estimates fuel cost based on distance, your car's MPG, and current fuel price per litre.

What you can enter

  • Distance (miles): 120
  • Fuel efficiency (MPG): 40
  • Fuel price per litre (£): 1.45

Why this page is useful

Find out how much your journey will cost in fuel. Brace yourself. This page loads fast, gives a direct answer, and then expands with useful context instead of burying the result under filler.

How the Fuel Cost Calculator works

The fuel cost calculator takes Distance (miles), Fuel efficiency (MPG) and Fuel price per litre (£) and returns Estimates fuel cost based on distance, your car's MPG, and current fuel price per litre.. The calculation runs entirely in your browser — nothing is sent to a server, no sign-up, no tracking beyond standard analytics, and no waiting for results.

Under the hood the tool uses the same transparent formula people would apply by hand, just faster and without the arithmetic mistakes. If you want to sanity-check the output, the "Frequently Asked Questions" section below walks through the reasoning and edge cases.

When this is worth using

Most people land on a calculators page like this when they want a quick, honest answer without a sales pitch. Typical moments include planning ahead, settling a debate, double-checking an assumption, or figuring out whether a rough idea actually holds up once you put numbers on it.

If you're going to repeat this calculation with different values, bookmark the page — it's designed to load instantly and give a clean result every time.

Getting a more accurate result

  • Use realistic inputs. Round numbers are fine for a first pass, but your actual figures will give a meaningfully better answer.
  • Try a few variants. Adjust one value at a time to see which inputs move the result the most — that's usually where it's worth focusing your attention in real life.
  • Cross-check with the related tools below. They cover adjacent questions and will flag anything that looks off.

Frequently Asked Questions

Check your car's handbook. Average UK car gets around 36-40 MPG.
No — use your average MPG. City driving uses more fuel than motorway.
Check PetrolPrices.com or the Confused.com fuel price checker.
Both — just enter the correct price per litre for your fuel type.