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Money & Finance · Free tool

Fuel Cost Calculator

Estimate fuel cost for any trip — distance, MPG, price per gallon. Great for pricing a drive vs flight.

Updated April 2026

Fuel needed

40.56 L (10.71 gal US)

Cost per mi

$0.13

Total trip cost

$37.50

Distance: 482.8 km equivalent

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What it does

Estimate fuel cost for a drive: distance, MPG (or L/100km), and price per gallon or liter. Useful for budgeting a road trip, comparing driving vs flying, and splitting costs fairly with carpoolers.

Pair with trip cost calculator, budget calculator, expense split calculator, and length converter.

How to use it

  1. Pick units — miles/gallon or km/litres.
  2. Enter distance, vehicle MPG, and fuel price.
  3. Add round-trip toggle and passenger count.
  4. Read total cost and per-person share.