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College GPA calculator.
Use letter grades or your class percentages. Add each class’s credits to calculate a weighted semester GPA.
Blank grades and zero-credit classes are excluded. GPA is weighted by credits. The default 4.0 scale uses A=4, B=3, C=2, D=1, F=0. Your school’s official scale takes priority. Your entries stay in this page’s memory.
How the GPA calculation works
Convert each class grade to grade points, multiply by its credits, add the quality points, then divide by the total counted credits. A 3-credit A and a 4-credit B produce (4 × 3 + 3 × 4) ÷ 7 = 3.43 GPA.
Colleges use different grading rules
Some colleges use plus/minus grades or different percentage cutoffs. This quick calculator uses a standard A–F, 4.0 scale with optional custom percentage thresholds. Your private Credavyn workspace also lets you edit the grade scale for each course, record academic history, and track assignments with syllabus weights.
Want a plan for your next grade?
Track the full semester for free. Pro adds grade recovery targets, what-if forecasts, and a focused semester game plan.