Anna University CGPA Calculator

Official Anna University Grading System • R2021 & R2017 Regulations

Anna University Grading Scale

How to Calculate CGPA

  1. Enter semester-wise SGPA values
  2. System calculates average CGPA
  3. CGPA = Σ(SGPA) / Number of Semesters
  4. Results are instantly calculated

Enter Semester SGPAs

Anna University CGPA Calculation

Formula:

CGPA = Σ(SGPA) / Number of Semesters

Example:

If your SGPAs are 8.2, 7.8, 8.5, 8.0 for 4 semesters:
CGPA = (8.2 + 7.8 + 8.5 + 8.0) / 4 = 8.125

CGPA to Percentage

Anna University Formula:

Percentage = (CGPA - 0.5) × 10

Example:

For CGPA 8.125:
Percentage = (8.125 - 0.5) × 10 = 76.25%

Anna University Grading System

Marks RangeGradeGrade PointsDescription

Anna University Classification

CGPA Based Classification

First Class with Distinction≥ 7.5 CGPA
First Class6.5 - 7.49 CGPA
Second Class5.5 - 6.49 CGPA
Pass Class5.0 - 5.49 CGPA

Regulation Differences

R2021 Regulation
Current regulation with updated grading system and credit structure
R2017 Regulation
Previous regulation with slightly different grade mapping