Tool
Monthly fuel cost calculator
Your miles, your vehicle's MPG, and a gas price: monthly cost, annual cost, cost per mile, and what a $0.25 swing would mean. Inputs stay in the link for easy sharing.
Monthly Fuel Cost Calculator
Estimate what your regular driving costs at a given gasoline price.
Totals multiply across vehicles with the same miles and MPG.
Results
Enter monthly miles, your vehicle's MPG, and a gas price to see monthly and annual costs.
What would a $0.25 price change mean?
Fill in the monthly calculator above to see how a $0.25 swing in gas prices would change your costs.
Formulas: gallons = miles ÷ MPG; monthly cost = gallons × price; annual cost = monthly × 12; cost per mile = price ÷ MPG. Estimates only; real costs vary with driving conditions and local prices.