ganak.appCGPA Calculator
Free CGPA calculator to compute your Cumulative Grade Point Average from semester-wise SGPAs and credits. Supports 10-point (Indian universities), 4.0 (US/UK), and 5.0 grading scales. Instantly converts CGPA to percentage, shows semester-by-semester breakdown with running CGPA, SGPA trend analysis, and grade classification. Essential for university students, job applications, and graduate admissions.
Academic Metrics
Detailed performance breakdown
Semester Breakdown
SGPA, credits, and running CGPA per semester
SGPA Trend
Performance across semesters
What is CGPA?
Understanding Cumulative Grade Point Average
CGPA (Cumulative Grade Point Average) is the weighted average of all your semester GPAs (SGPAs) across your entire academic career. It represents your overall academic performance and is used by universities, employers, and graduate programs for evaluation.
Unlike a single semester GPA, CGPA accounts for the varying number of credits in each semester, giving a more accurate picture of sustained performance.
How to Calculate CGPA
Step-by-step formula and example
CGPA is calculated by taking the weighted average of all semester SGPAs, where the weight is the number of credits in each semester.
Example: Semester 1 (SGPA 8.5, 24 credits) + Semester 2 (SGPA 8.2, 22 credits) + Semester 3 (SGPA 7.8, 26 credits).
How to Calculate Percentage from CGPA
Conversion formulas for different grading scales
Common approximate conversion factors used by this calculator (actual factors may vary by institution):
| Grading Scale | Factor | Example |
|---|---|---|
| 10-Point (India) | × 9.5 | 8.5 CGPA = 80.75% |
| 4.0 Scale (US/UK) | × 25 | 3.5 GPA = 87.5% |
| 5.0 Scale | × 20 | 4.2 CGPA = 84% |
Note: The 9.5 multiplier is the AICTE standard used by most Indian engineering colleges. Some universities use different conversion factors — always check your institution's official guidelines.
SGPA vs CGPA: What's the Difference?
Understanding semester and cumulative averages
Grade point average for a single semester. Calculated from individual subject grades and credits within that semester only.
Weighted average of all SGPAs across all semesters completed. Represents your overall academic standing throughout your degree.
Your SGPA may fluctuate from semester to semester, but your CGPA provides a smoothed, overall picture. Employers and graduate schools primarily look at your final CGPA.
Common Grading Scales
Grade point ranges and classifications
| Grade | 10-Point | 4.0 Scale | Percentage |
|---|---|---|---|
| O (Outstanding) | 9.0–10.0 | 3.7–4.0 | 90–100% |
| A+ (Excellent) | 8.0–8.9 | 3.3–3.69 | 80–89% |
| A (Very Good) | 7.0–7.9 | 3.0–3.29 | 70–79% |
| B+ (Good) | 6.0–6.9 | 2.5–2.99 | 60–69% |
| B (Above Avg) | 5.5–5.9 | 2.0–2.49 | 55–59% |
| C (Average) | 5.0–5.4 | 1.5–1.99 | 50–54% |
| F (Fail) | < 4.0 | < 1.0 | < 40% |
Tips to Improve Your CGPA
Practical strategies for better academic performance
Subjects with more credits have a larger impact on your CGPA. Prioritize study time for courses carrying 4–5 credits over 1–2 credit courses.
Your first few semesters have the biggest impact on CGPA. A high early CGPA creates a buffer that's easier to maintain than recover from a low start.
Use this calculator to determine what SGPA you need in upcoming semesters to reach your target CGPA. Work backward from your goal.
Frequently Asked Questions
Common questions about CGPA calculation, conversion, and grading scales