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Road Trip Calculator

How much will your gas cost?

Miles Driven
Cost of Gas
(Per Gallon)
$
Fuel Efficiency
(Miles per Gallon)
(results appear below)
This page will calculate how much you will spend on gas on a road trip.

Other Costs
This only calculates the price for gasoline. The price of parking, road tolls, motels, tickets, etc. is not included.

Efficiency / MPG
Keep in mind that people don't usually get the advertised fuel efficiency for their car. To calculate your actual miles per gallon, reset your trip meter when you have a full tank. The next time you fill up your car, divide the number of miles you've driven with the number of gallons you just put in your tank.

Note that you need to refill the tank completely for this to work. Also note that your city driving MPG will be lower than your MPG on the highway.

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