Fuel Cost Calculator
Estimate trip fuel cost from miles, MPG, and price per gallon — with a trip summary.
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Inputs
Updates live as you type — Calculate syncs a shareable URL.
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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How this calculator works
Estimate trip fuel cost from miles, MPG, and price per gallon — with a trip summary.
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.