Gas mileage calculator - as easy way to figure out your current gas mileage, or mpg.

Why calculate your gas mileage? In order to make gas mileage improvements, it helps to begin by knowing what your current gas mileage is. Although most gas mileage tips will improve your mileage, if you don't know what your currently getting, there is no way to know how much of a gas mileage improvement you made.

The first step in our gas mileage calculator begins when you fill up your tank. Next time you go for a fill-up, write down your odometer's reading. Better yet, if your car has a "trip meter", set it to zero.

For our gas mileage calculator, you want to try and top off your tank as high as you can safely do it. The next step will be when you are ready to fill your tank up again. You don't have to wait until you are on empty, but again, it helps if you are below a half tank.

On this next fill-up, you again want to try and fill the tank as high as you can safely fill it. Now take your odometer's reading again, or if you re-set your trip meter, write down the current reading. You must also note how many gallons you just filled up with. You want to be as exact as possible i.e. 5.25 gallons.

What you are going to do is take your first odometer reading, and subtract it from your new odometer reading to see how many miles you drove between fill-ups. As an example, if your first odometer reading was 41,150, and your second reading was 41,275 the number you should end up with is 125 (41,275-41,150=125). Of course if you have a trip meter, it would read "125".

Now you want to take the total you just calculated, 125, and divide it by the number of gallons it took to fill up, 5.25. You would end up with 23.8, or just under 24 mpg.

The formula for the gas mileage calculator is: number of miles between fill-ups divided by number of gallons filled.

The price of gas is a big concern for most of us. A gas mileage calculator is one step towards gas mileage improvements.