Fuel Cost Calculator

Estimate the fuel and cost needed for a trip.

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How to calculate

Fuel needed = distance ÷ fuel economy; cost = fuel needed × price

A 300-mile trip at 30 mpg uses 10 gallons and costs 35 at 3.50 per gallon.

Traffic, weather, load and detours can change real consumption.

Results display up to 8 decimal places; exported numbers preserve calculation precision. This is a calculation summary, not an official certificate.