How Do I Figure Gas Mileage For a Trip

January 27, 2012

If you have recently taken a trip, you may need to figure the gas mileage for reimbursement, or for your own records.

The term gas mileage refers to how many miles a vehicle can travel on one gallon of gas. If your vehicle is a fuel economy car, you will have higher gas mileage than one that is considered a gas guzzler. In addition, a car that may only get 10 miles per gallon (10 mpg) while traveling throughout a busy urban area, may get higher gas mileage while driving on the freeway or highways.

To figure your gas mileage, you will need to do some math.

First, you will need to determine how many miles you have traveled on the trip. For example, if you traveled 1000 miles. You will then need to know how many gallons of gasoline the car used to travel those miles.

Let's say, you saved the receipts for your gas purchases and added the number of gallons of fuel used at each stop and together they total 50 gallons of gas.

That would mean you traveled 1000 miles on 50 gallons of gas. To figure the gas mileage, you would need to determine how many miles you traveled on 1 gallon of gas. You would need to divide 1000 miles by 50 gallons of gas. That would equal 20; therefore, you traveled 20 miles for every 1 gallon of gas. Your gas mileage would be 20 mpg (miles per gallon).

Number of miles divided by gallons of gas used = amount of miles per one gallon of gas, or your gas mileage (mpg)

______ miles traveled   divided by _________ gallons of gas used  =  _______  gas mileage (mpg)

You may wish to use an online auto mpg fuel cost calculator.

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