Fuel Cost Calculator
A fuel cost calculator estimates how much you spend on petrol or diesel for a journey or over a period, based on distance, vehicle fuel efficiency, and fuel price. It helps compare routes, vehicles, or modes of transport by cost.
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Tip: Tyre pressure has a bigger impact on fuel economy than most drivers realise — tyres under-inflated by just 8 PSI reduce fuel efficiency by up to 3%.
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Fun Fact
The average UK driver covers about 7,400 miles per year and spends approximately £1,200–1,800 on fuel depending on vehicle efficiency.
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100% Free
No sign-up ever
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Accurate
Verified formulas
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Instant
Results as you type
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Mobile Ready
All devices