The grade point average (GPA) represents your average academic results in all of your classes by assigning a numerical value to the grades you earn. Most high schools calculate GPA on a four-point scale. Your GPA determines your class rank, and colleges look at your GPA as one factor in determining admissions decisions. Your high school transcript shows all of the grades you earned, the level of the classes and the number of credits earned per course.

Find out if your high school uses a weighted or unweighted system for calculating your GPA. Unweighted systems award the same credit for regular, honors and advanced placement (AP) classes. Weighted systems give a bonus for honors and AP classes. A common weighted system gives an addition 0.5 for honors classes and 1 for AP classes, making an honors A worth 4.5 and an AP A worth 5.

Determine the level of each class you have taken during high school if your school uses a weighted GPA. If not, skip to Step 3.

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Determine the value of each of your class grades based on your school's GPA system. If the system is unweighted, each A is worth 4 points, each B is worth 3 points, each C is worth 2 points, each D is worth 1 point and each F is worth 0 points.

Multiply the value of each grade by the number of credits the course was worth. For example, if you received a regular A for a 0.5 credit class, its value would be 2 (4 x 0.5 = 2). If you received a regular B for a 2-credit course, it would be worth 6 (3 x 2 = 6).

Total the value of all of the grades you have received over your years in high school.

Total the number of credits you have completed.

Divide the total value of all the grades you have received by the total number of credits you have completed. For example, if the value of your grades totaled 88.8 and the number of credits you had earned was 24, your GPA would be 3.7.


  • Make sure you use the number of credits, not number of classes, in Step 6.

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About the Author

Mark Kennan is a writer based in the Kansas City area, specializing in personal finance and business topics. He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool."