Fuel Cost Calculator

Estimate what a trip will cost in fuel. Enter the distance, your vehicle's fuel efficiency, and the price per gallon to see gallons needed, total cost, and cost per mile.

Trip Details

One-way trip distance in miles

Vehicle fuel economy in miles per gallon

$

Current fuel price per gallon

Trip Cost Summary

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Enter your trip details above to estimate fuel cost

How Fuel Cost Is Estimated

The Formula

  • • Gallons needed = distance ÷ miles per gallon
  • • Total cost = gallons needed × price per gallon
  • • Cost per mile = total cost ÷ distance
  • • Round trip doubles the distance before the estimate

Get a Better Estimate

  • • Highway mileage is usually higher than city mileage
  • • Heavy loads, hills, and towing lower fuel efficiency
  • • Fuel prices vary by region and grade
  • • Use your trip meter's real MPG for the most accurate result
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How this is calculated

Distance divided by fuel economy gives gallons; times the fuel price gives cost.

Estimates for planning, not professional advice. What changed and when →

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