Calcutta University SGPA to CGPA Calculator

This Calcutta University SGPA to CGPA calculator is for University of Calcutta (CU) students whose programme actually awards SGPA each semester. That first check matters at CU: programmes differ by faculty, level and regulation year, and not every Calcutta University course reports results the same way. If your grade card shows SGPA and semester credits, this tool will feel familiar; if it shows only marks, stop and use your programme’s own conversion document instead.

CU grading in careful, general terms

Where a CU programme uses a semester-and-credit structure, each semester’s SGPA summarises that semester, while CGPA summarises all completed semesters together. Because course loads can change — a semester with a dissertation or heavy practical work may carry more credits — a credit-weighted CGPA is usually fairer than a plain average. Our calculator never assumes your credits: it uses weighted mode only from the credit totals you enter, and says so in the result.

Worked example for a CU student

Imagine Sem 4: 7.80 with 24 credits, Sem 5: 8.30 with 22 credits and Sem 6: 8.00 with 24 credits. Weighted CGPA = (187.2 + 182.6 + 192.0) / 70 = 561.8 / 70 = 8.03. The simple average is also 8.03 after rounding, but the breakdown table underneath the result shows each SGPA × credits step and the running CGPA after every semester, so you can verify the arithmetic against your own grade cards line by line.

Percentage at Calcutta University – the official rule

For undergraduate courses under the Curriculum and Credit Framework (CCF), the University of Calcutta's Syndicate notified the conversion directly: CGPA × 10 = Percentage of marks (Notification No. CSR/143/2024, dated 24.12.2024 ↗). The example above, CGPA 8.03, therefore converts to 80.30%, and the calculator applies this rule when you select CU, linking the official notification with the result. The notification covers UG courses under CCF; if you belong to an older CBCS cohort, confirm on your mark sheet or with the university whether the same conversion applies to your programme before quoting the figure.

Mistakes CU students should avoid

• Using an SGPA calculator for a marks-based programme where SGPA is not awarded.
• Averaging SGPAs equally when semester credits clearly differ on the grade card.
• Forgetting backlog or supplementary-exam counting rules that your programme specifies.
• Mixing 10-point SGPAs with an old marks-percentage table from a different regulation year.

When you return each semester, update the same share link instead of starting again: the running CGPA column makes it obvious whether a dip came from one difficult semester or from a heavier credit load, and that distinction changes what you should plan for next.

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Last reviewed: 2026-10-19 • Report an error • Inputs are stored only in the URL, never on a server.