To calculate your GPA, from high school, college, or any schools that you attend. Once you receive your final grade from the subjects you take, you will multiple the grade you earned, by all of the credits you earned for your class. When you add up your grades then divide the total by all the credits you earned so far. Calculate GPA is not only that should you know how to add it, but this just to
. compute your own average based on different grade scenarios.