Determine the number of credits each class is worth. Look at the course catalog if you do not remember a particular course's credit value. For example, semester-long class that meets for three hours a week is typically worth three credits.
Find your grade for each course. Consult the academic handbook to determine how your school awards quality points for partial grades, such as an AB or B-. Record the letter grade next to each course. For example, most schools assign four quality points to an A and three quality points to a B, while an A- receives 3.7 quality points.
Multiply the number of credits the course is worth by the number of quality points assigned to the letter grade you earned in the class. For example, a letter grade of A in a 3 credit class equals 12 QP. Add together the total QP for all classes.