Gas Cost Calculator

Estimate the fuel cost of a trip from distance, your vehicle's efficiency, and the price of gas.

Your details

Trip distanceFuel efficiencyFuel price$Price per gallon (or per liter, matching your efficiency unit).

Trip fuel cost

$35.00

Fuel used: 10

Trip fuel cost$35.00

Formula

Fuel used = distance ÷ efficiency. Cost = fuel used × price per unit.

Sources & methodology

•U.S. DOE — fuel economy — U.S. DOE

Last updated: 2026-07-20

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