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Fuel Cost Calculator
Calculate fuel cost for any road trip or commute. Find gas cost per mile and monthly fuel expenses based on MPG and gas price.
Gallons Used
10 gal
Total Cost
$35.00
Cost Per Mile
$0.12
How to Use the Fuel Cost Calculator
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
How do I calculate fuel cost for a trip?
Fuel cost = (Distance / MPG) × Gas price. A 300-mile trip in a 30 MPG car at $3.50/gallon = 10 gallons × $3.50 = $35.