How CGPA Calculation Works
Understand the methodology behind cumulative grade point averages
1
Understanding GPA and CGPA
GPA (Grade Point Average) measures your academic performance in a single semester, while CGPA (Cumulative Grade Point Average) represents your overall academic performance across all semesters.
CGPA = (Sum of all Semester GPAs) / (Number of Semesters)
2
Enter Your Grades
Input your semester GPAs in our calculator. The system automatically validates your inputs to ensure they fall within your university's grading scale (typically 0-10 or 0-4).

3
Select Your University
Choose your university to apply the correct percentage conversion formula. Different universities use different conversion methods:
- Anna University: CGPA × 10
- VTU: (CGPA - 0.75) × 10
- Most others: CGPA × 9.5
4
View Your Results
Get instant results showing your CGPA and equivalent percentage. The calculator also displays the total number of semesters and estimated credits.