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Your marksheet says 8.4 CGPA. The job application asks for percentage. Which number do you write? The answer depends on who awarded the CGPA — and using the wrong formula can understate (or overstate) your results.
What is CGPA?
CGPA stands for Cumulative Grade Point Average. Instead of exact marks, each subject gets a grade (A1, A2, B1…) that corresponds to grade points (10, 9, 8…). CGPA is the average of those grade points — usually weighted by subject credits at university level.
Because grades cover a range of marks, CGPA is an approximation of your performance, and converting it back to a percentage needs a formula.
The CBSE formula
For CBSE results that report CGPA, the board’s guidance is:
Percentage = CGPA × 9.5
Example: CGPA 8.4 → 8.4 × 9.5 = 79.8%.
| CGPA | Percentage (× 9.5) |
|---|---|
| 6.0 | 57.0% |
| 7.0 | 66.5% |
| 7.5 | 71.25% |
| 8.0 | 76.0% |
| 8.4 | 79.8% |
| 9.0 | 85.5% |
| 9.5 | 90.25% |
| 10.0 | 95.0% |
Note that under this formula a perfect 10 CGPA converts to 95%, which reflects the averaging method rather than meaning you lost marks.
Why 9.5?
CBSE calculated the factor from data: it compared the average marks of students in the top grade bands with their grade points across subjects, and found the ratio was about 9.5. It’s a statistical conversion, not an exact one.
University formulas are different
Universities and autonomous colleges set their own rules. Common examples include:
| Formula | Where you might see it |
|---|---|
| Percentage = CGPA × 10 | Several universities and institutes |
| Percentage = (CGPA − 0.5) × 10 | Some universities and technical boards |
| Percentage = (CGPA − 0.75) × 10 | Some engineering universities |
| CGPA × 9.5 | Many colleges follow the CBSE approach |
The same 8.0 CGPA could therefore be 80%, 75%, 72.5% or 76% depending on the rule. That’s why it matters to use your institution’s formula — it’s usually printed on the back of the marksheet, on the transcript or in the academic regulations.
Never pick the formula that gives the highest number. If an employer or university verifies your result, a mismatch can cause problems. Use the official rule and attach a conversion certificate if asked.
Percentage back to CGPA
Reverse the same formula:
CGPA = Percentage ÷ 9.5 (CBSE)
76% ÷ 9.5 = 8.0 CGPA. For formulas with an offset, such as (CGPA − 0.75) × 10, rearrange: CGPA = Percentage ÷ 10 + 0.75.
SGPA vs CGPA
- SGPA (Semester Grade Point Average) covers one semester.
- CGPA combines all semesters so far, usually weighted by credits:
CGPA = Σ (SGPA × credits of that semester) ÷ Σ credits
If every semester has the same credits, CGPA is simply the average of your SGPAs.
What employers and universities look for
Many job applications have cut-offs like “60% or 6.0 CGPA and above”. When a form asks for a percentage:
- Convert using your institution’s official formula.
- Mention the formula if there’s a remarks field.
- Keep a conversion certificate from your university handy for document verification.
Convert in seconds
Our CGPA to Percentage calculator uses the CBSE factor of 9.5 by default, and lets you change the multiplier and offset to match your university’s formula. It converts both ways — CGPA to percentage and percentage to CGPA.
Free toolTry the CGPA to PercentageConvert CGPA to percentage (and back) using CBSE or your university’s formula.Frequently asked questions
Why does CBSE multiply by 9.5 and not 10?
CBSE arrived at 9.5 by comparing average marks with grade points across students. It reflects the fact that grade points are awarded in bands, so a simple multiply-by-10 would overstate many scores.
What if my university doesn't state a formula?
Ask the examination section for an official conversion certificate. Employers and universities abroad often accept this document.
Is SGPA the same as CGPA?
No. SGPA is the grade point average for one semester. CGPA is the cumulative average across all semesters completed so far.
Written by the Toolsopedia team. Spotted an error? Tell us and we’ll fix it.