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Fuel Cost Calculator
Estimate the fuel cost of any trip.
Trip fuel cost
$35.00
Fuel used
10 gal
Cost per mile
$0.12
About the Fuel Cost Calculator
Free fuel cost calculator. Enter your trip distance, fuel efficiency and fuel price to estimate how much a journey will cost in gas or petrol.
Everything is calculated instantly in your browser — nothing you type is uploaded or stored. Bookmark Calcooly for the next time you need it.
How to use the Fuel Cost Calculator
- 1Choose MPG or L/100km.
- 2Enter your trip distance, fuel efficiency and fuel price.
- 3See the total fuel cost and cost per mile or km.
Frequently asked questions
Can I use it for any car?+
Yes — just enter your vehicle's fuel efficiency and the current fuel price.
Does it support metric and imperial?+
Yes. Switch between MPG (miles/gallons) and L/100km (kilometres/litres).
Is this calculator free?+
Completely free, with no sign-up and no limits. Ads on the page keep it running.