Complete Guide to CGPA and SGPA Calculation (2025)

What is SGPA and CGPA?

SGPA (Semester Grade Point Average) is a measure of academic performance in a single semester, calculated using the formula:

SGPA = Σ(Credit Points × Grade Points) / Total Credits

CGPA (Cumulative Grade Point Average) represents the cumulative average of all SGPAs across semesters:

CGPA = Σ(SGPA × Semester Credits) / Total Credits

How to Use Our Calculators

CGPA to SGPA Conversion

1. Enter your cumulative CGPA (e.g., 8.2)
2. Click "Calculate SGPA"
3. Get equivalent semester SGPA instantly

SGPA to CGPA Conversion

1. Enter your semester SGPA (e.g., 9.0)
2. Click "Calculate CGPA"
3. See cumulative CGPA result

Key Differences: SGPA vs CGPA

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FAQs About SGPA/CGPA

1. How is SGPA calculated from marks?

First convert marks to grade points (varies by university), then use: SGPA = (Σ Grade Points × Credits) / Total Credits

2. Can I calculate CGPA from multiple SGPAs?

Yes! Use: CGPA = (SGPA1×Cr1 + SGPA2×Cr2) / (Cr1 + Cr2) where Cr = semester credits

3. What is 8.5 CGPA in SGPA?

This depends on your university's grading system. Use our calculator above for instant conversion!