Enter each course's grade and credit hours; add earlier totals to get a cumulative GPA.
GPA = Σ(grade points × credit hours) ÷ Σ credit hours. On a 4.0 scale A = 4, B = 3, C = 2, D = 1.
A in a 3-hour course, B in a 4-hour course and C in a 2-hour course: (12 + 12 + 4) ÷ 9 = 3.11.