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Academic Calculator
Grade arithmetic, reviewed October 2026 — exact for the figures typed, but your institution's scale and rules decide the transcript.
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GPA is Σ(grade × credits) ÷ Σcredits: with 9 on 20 credits and 8 on 20 more, (180 + 160) ÷ 40 = 8.50. Weighting means a 4-credit core subject moves the number twice as much as a 2-credit elective with the same grade — the page shows total credits beside the GPA so the base is always visible.
Convert letter grades to your institution's grade points first (scales differ — 10-point, 4-point, and custom mappings all exist), then enter each subject's points with its credits. For a CGPA across semesters with equal credits, the SGPA-to-CGPA page is faster; with unequal credits, run them all here as one list.
It does not convert letter grades to points, drop lowest scores, or apply honours weightings — it averages the points and credits you enter on your scale, nothing more.
Grading scales vary by university.
Because a full-credit course should count more than a half-credit one. Weighting reflects the workload behind each grade.
Whatever grade points you enter. Convert your letter grades to your institution's points first.
Yes — enter every subject with its credits for a true cumulative GPA. The SGPA page is only a shortcut when semesters carry equal weight.
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