How to use the SGPA Calculator
- 1. Enter your subjectsType each subject's credits and pick the grade from your university grade card. Add or remove rows as needed.
- 2. CalculatePress Calculate to get your SGPA with the full working and an approximate percentage.
- 3. Switch to all semestersUse the second tab to combine semester results into your overall CGPA.
How SGPA is calculated
SGPA (Semester Grade Point Average) is a credit-weighted average. For each subject you multiply its credits by the grade points of the grade you got, add those up, and divide by the total credits. A 4-credit theory paper therefore moves your SGPA four times as much as a 1-credit lab.
Most Indian universities follow the UGC choice-based credit system, where O is 10, A+ is 9, A is 8, B+ is 7, B is 6, C is 5 and P is 4, with F as 0. That is what this calculator starts with, but the marks band for each letter differs between universities, so the grade points are editable below the calculator. For a specific university, use the dedicated pages linked further down; they start with that university's own scale.
Worked example
The sample subjects that load with the tool give this result:
| Subject | Credits | Grade | Credits × points |
|---|---|---|---|
| Data Structures | 4 | A+ (9) | 36 |
| Operating Systems | 4 | A (8) | 32 |
| Database Systems | 3 | O (10) | 30 |
| Mathematics III | 3 | B+ (7) | 21 |
| DBMS Lab | 1 | O (10) | 10 |
| Soft Skills | 2 | A+ (9) | 18 |
| Total | 17 | 147 |
SGPA = 147 ÷ 17 = 8.65.
Using CGPA × 10 that is roughly 86.47%. On the second tab, the sample semesters 7.8 (22 credits), 8.1 (24) and 7.4 (21) combine to a CGPA of 7.78, because 521.4 ÷ 67 = 7.78. The plain average of the three SGPAs would be 7.77; the small difference comes from the semesters having different credits.
Things that change your answer
- Failed subjects: some universities count a failed course's credits in the total (pulling SGPA down), others leave it out until you clear it. Remove the row if yours leaves it out.
- Audit and non-credit courses: courses with zero credits don't change SGPA. Enter 0 credits or delete them.
- Percentage: the conversion formula is set by each university. Pick the one your grade card or ordinance states.
Frequently asked questions
What's the difference between SGPA and CGPA?
SGPA covers one semester. CGPA covers every semester so far, weighted by each semester's credits.
Can I use this for a 4-point or 7-point scale?
Yes. Change the grade points in the table under the calculator to match your scale, and treat the percentage line as not applicable.
Why doesn't my SGPA match my grade card?
Usually a grade point or credit value differs, or the university excludes failed or non-credit courses. Compare each row with your card.
Is the SGPA calculator free?
Yes, completely. You can type in everything and use the SGPA calculator with no sign-up. When you ask for the result the first time, we ask for your name and WhatsApp number once; after that the SGPA calculator and every other Uncodemy tool open straight away.