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Trip & Fuel Calculator

Free trip & fuel calculator to estimate trip fuel cost. Instant results in your browser — no signup.

Also known as: Estimate trip fuel cost, gas cost, trip cost, fuel expense, Calculate MPG / L100km from trip data, Estimate travel time from distance and speed, Estimate total road trip cost, fuel cost calculator

Direct calculator

Inputs

Results update when you click Calculate Fuel Cost.

Trip fuel cost

$41.71

Fuel needed

11.43 gal

Fuel cost

$41.71

Cost per mile

$0.130

Per stop (avg)

$41.71

1 stops

Breakdown

  • Fuel cost
  • Est. stops overhead

Trip path

Start → 320 miles → Destination (1 fuel stop)

Did you know?

Highway MPG is often 10–20% higher than city. Use your real tank average for better estimates.

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What this result means

Free trip & fuel calculator to estimate trip fuel cost. Instant results in your browser — no signup. Gallons = miles ÷ MPG. Cost = gallons × price.

Assumptions

  • Rule dependency: Formula / external rates where relevant.

How is it calculated?

Gallons = miles ÷ MPG. Cost = gallons × price.

Example

320 mi ÷ 28 MPG × $3.65 ≈ $41.71.

Frequently asked questions

Round trip?+

Double the miles for round-trip estimates.