CALCULATE THE EFFECTS OF SPEED ON YOUR MILEAGE

It's a known fact that your fuel efficiency decreases past 60 mph. Fill in the fields below to figure out exactly how much going faster is costing you in gas and money.

Your car's highway MPG:

Don't know? Look it up here

Miles driven per day:

Highway only

Price of gas: $


RESULTS

SpeedDaily Travel TimeEffective MPGCost/dayCost/year
55 MPH
60 MPH
65 MPH
70 MPH
75 MPH
80 MPH



[Tell a friend]

This is a best estimate with data provided by fueleconomy.gov. We cannot guarantee accuracy on all vehicles.