Assumptions: The calculator makes some assumptions that aren't necessarily true but will average out. (1) You're going to buy a full tank of gas and arrive at the station empty. (2) Gas Mileage is relative to average city/highway driving. Send comments or criticism to to gascalc @ matthannan DOT com). First a little about your car About how many miles per gallon does your car get? How big is your gas tank (in gallons)? How much did you pay per gallon the last time you filled up? Now Lets See If It's Worth It How much is gas at the NEAREST station? How far is it to the NEAREST station (in miles)? How much is gas at the CHEAPEST station? How far is it to the CHEAPEST station (in miles)? Total cost of gas at CHEAPEST station Total cost of gas at NEAREST station Difference:

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