Trip Gas Cost Calculator
Trip fuel cost = (trip miles ÷ MPG) × price per gallon. A 500-mile drive at 28 MPG with $3.40 gas costs about $61 one way, or $121 round trip.
One way$60.71
Round trip$121.43
Per person (round trip)$60.71
Highway driving usually beats the combined rating, so budget with your highway MPG for long interstate runs and the city figure for urban stop-and-go.
Don't know your MPG?
Every vehicle on AutoSpecData lists its official EPA city, highway and combined ratings year by year. Search your vehicle or start from the fuel economy rankings.