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Fuel Cost (Trip Estimate) Calculator

Estimate a trip's fuel cost from the distance, your vehicle's efficiency, and the price of fuel. You also get the volume needed and the cost per mile.

How to use
  1. Enter the trip distance.
  2. Enter your fuel efficiency, like MPG or L/100km.
  3. Enter the price per gallon or liter to get the total cost.
Trip
Total fuel cost for the trip
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fuel used × price

Fuel needed
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Cost per mile
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Annual fuel cost
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Estimates for general information, verify important figures before relying on them.
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How it's calculated

cost = (distance ÷ MPG) × fuel price

distance = trip length, MPG = miles per gallon (fuel efficiency), fuel price = price per gallon. Metric path: litres used = distance ÷ 100 × (L/100 km), then × price per litre. Annual cost scales by yearly distance.

Common questions

Can I work in liters and kilometers?

Yes. The calculator accepts both US gallon and metric units for distance, efficiency, and price.

Does it estimate annual fuel spend?

Yes. Alongside the single-trip cost it can project an annual fuel bill from your usage.

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