A CGPA-to-percentage conversion comes up constantly — for job applications, further study abroad, or forms that simply ask for a percentage instead of a grade point figure. The frustrating part is that there's no single universal formula; the "right" multiplier depends entirely on which board or university issued your CGPA.
The most commonly cited formulas
- CGPA × 9.5 — the formula CBSE (Central Board of Secondary Education) in India has historically used for its own 10-point scale results.
- CGPA × 10 — a simpler approximation some institutions use, treating the CGPA scale as directly proportional to percentage.
- Institution-specific formulas — many universities publish their own exact conversion formula, sometimes with an additional offset or a different multiplier entirely, specific to how their own grading scale was designed.
These formulas are not interchangeable, and using the wrong one can meaningfully misstate your percentage — the gap between ×9.5 and ×10 alone is a full percentage point of difference for every point of CGPA.
Why there's no universal answer
A CGPA is meaningful only relative to the scale it was calculated on — a 10-point scale, a 4-point scale, and a 100-point percentage scale aren't naturally interchangeable units, the way centimeters and inches are. Each institution defines its own relationship between grade points and percentage when it designs its grading system, which is exactly why the "correct" formula is whichever one your specific university or board has officially published — not a general rule that applies everywhere.
What to actually do
Check your institution's official conversion formula first — usually published on transcripts, in the academic handbook, or available from the registrar's office. If a form or employer specifically needs a percentage and your institution hasn't published an official conversion, ask directly rather than guessing; some organizations receiving your transcript have their own standard formula they'll apply regardless of which one you used yourself.
Using the tool
Our GPA/CGPA Calculator calculates your CGPA itself from your subject grade points and credits — the percentage conversion is a separate, institution-specific step you'd apply afterward using your own institution's published formula.
Try it here: GPA/CGPA Calculator.