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FINANCIAL CALCULATORS

Fuel Cost Calculator

Estimate fuel use and journey cost from distance, economy and fuel price.

✓ No account needed✓ No saved tool history✓ Free to use
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How to use the Fuel Cost Calculator

Choose your units, enter the journey distance, fuel economy and price per litre.

How it works

The fuel-cost calculator converts the journey and economy figures into litres, then multiplies the estimated consumption by the entered price per litre.

Example: A 100-mile journey at 45 UK mpg uses approximately 10.1 litres. At £1.45 per litre, the estimated fuel cost is about £14.65.

What to keep in mind

Real consumption changes with traffic, speed, weather, load, tyres and driving style. UK and US gallons differ, so select the matching mpg convention.

Frequently asked questions

Are UK and US mpg the same?

No. The UK imperial gallon is larger than the US gallon, so identical mpg numbers represent different consumption.

Does the estimate include other vehicle costs?

No. It covers fuel only, not maintenance, depreciation, tolls or parking.

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