Fuel Cost Calculator

Calculate trip fuel and cost with metric or imperial units and 4 currencies. Free online fuel cost calculator, no signup needed.

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Frequently asked questions

Metric vs imperial: difference?
Metric uses km and L/100km. Imperial uses miles and mpg. Toggle the unit system and all fields update.
Can I use a different currency?
Yes. Choose USD, EUR, GBP, or JPY. The symbol is used for total cost and cost per distance.
How is fuel needed calculated?
Metric: distance × (L/100km) / 100. Imperial: distance / mpg. Total cost is fuel multiplied by price.