Semester GPA from letter grades

List each course’s letter and credits. Quality points are grade points times credits. Semester GPA is the sum of quality points divided by the sum of credits.

CourseLetterPointsCreditsQuality
BiologyA4.0312
HistoryA4.0312
AlgebraB3.039
EnglishB3.039

42 quality points ÷ 12 credits = 3.5. Two A’s and two B’s at the same credit load always land on 3.5 with this map. A 4-credit B pulls harder than a 3-credit B.

Open these four courses.

The letter map is editable up to 4.5 if your school differs. See the default chart and what a 3.5 GPA means.

Steps in the calculator

  1. Open the GPA calculator.
  2. Add one row per course with its letter and credits: A (3 credits), A (3 credits), B (3 credits), B (3 credits).
  3. Read the GPA at the top. Edit the letter map if your school uses different points.

All grade guides