CGPA Calculator Anna University

By CalculatorBolt Team | Published: January 15, 2025 | Updated: January 15, 2025 | Reviewed by: Education Editor

Calculate your Anna University CGPA in seconds. Enter semester SGPAs with credits or add all your courses with credits and grades using the AU scale.

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Calculate Your CGPA

Quick method: Enter the credits and SGPA for each semester.
Detailed method: Add individual courses with credits and grades.
Most AU regulations include all attempted credits in the denominator.
Course Name Credits Grade Action
Total 0.00 0.00 pts

Edit Grade Scale (Anna University)

Grade Letter Grade Points Action
AU grade scales may vary by regulation (2017/2019/CBCS). Verify with your department.

For a dedicated tool, try the CGPA to Percentage Calculator.

How it works

Your CGPA is the overall weighted average of grade points across semesters.

Formulas:

  • By Semester: CGPA = Σ(creditssem × SGPAsem) / Σ(creditssem)
  • By Courses: CGPA = Σ(credits × grade_points) / Σ(credits)

Default AU grade points: O=10, A+=9, A=8, B+=7, B=6, C=5; U/RA/W/AB=0 (editable). Rounds to 2 decimals.

Inputs explained

  • Mode selector: "By Semester SGPAs" (quick) or "By Courses" (detailed)
  • Semester mode: credits per semester and SGPA (0–10)
  • Course mode: course name (optional), credits, grade; options to exclude failures from denominator (check regulation)
  • Optional CGPA→Percentage helper: choose a preset or custom linear formula; rules vary by regulation

Example

Semester mode example:

  • Sem 1: Credits 20, SGPA 7.8 → 156.0
  • Sem 2: Credits 22, SGPA 8.2 → 180.4

Σ credits = 42; Σ (credits×SGPA) = 336.4 → CGPA = 336.4/42 = 8.01

Course mode example:

  • Math (4 cr, A+=9) → 36
  • Circuits (4 cr, A=8) → 32
  • Lab (1.5 cr, O=10) → 15
  • Mechanics (3 cr, B+=7) → 21
  • Elective (3 cr, B=6) → 18

Σ credits = 15.5; Σ(c×p) = 122 → CGPA = 122/15.5 = 7.87

Tips & notes

  • Verify your regulation (2017/2019/CBCS) grade mappings and pass rules with your department.
  • Repeats/backlogs: some schemes replace the older grade when you pass—enter the attempt that counts.
  • Use Import/Export and Share Link to save records and run "what‑if" scenarios.

FAQs

CGPA = Σ(credits × grade_points) / Σ(credits), or by semester SGPAs = Σ(credits_sem × SGPA_sem) / Σ(credits_sem).

Yes. Advanced → Edit grade scale to add/remove grades, change points, and reset to AU defaults.

Policies differ by regulation. Toggle the option in Course mode and follow your handbook.

Rules vary. Use the optional helper or the CGPA to Percentage Calculator.

No. Everything runs in your browser. Use Export or Share Link to keep your entries.

No. It's an informational tool. Always verify with official AU documents.

Disclaimer

Informational tool only. Policies vary by regulation and department. Confirm with official Anna University documents.

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