The short answer
Cumulative GPA combines the quality points from all included terms and divides them by all included credits. Averaging term GPAs directly can be wrong when the terms contain different credit totals.
What changes the calculation
To project a future cumulative GPA, preserve current quality points, add the planned term's quality points and divide by the new credit total. A target GPA can also be solved backwards.
Use the right calculator
Institution policies may exclude transfer courses, replace repeated grades or treat pass/fail courses differently. Use the calculator as a planning estimate and compare it with your registrar's rules.
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How completed credits and future courses combine into one overall GPA. Replace the example values with your own and keep the active profile visible.
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