Math & Calculator
CGPA to Percentage Converter
Convert CGPA to percentage and back, with CBSE, VTU and university formulas
CBSE Class 10 and 12. Percentage = CGPA × 9.5
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Converting in Either Direction With Your University's Own Rule
Choose whether you are going from CGPA to percentage or the other way round, pick the formula your university actually uses, and enter the number. The answer appears instantly along with a reminder of which rule was applied, so you can paste the right figure into an application form without second-guessing it. The tool covers CBSE, VTU, Mumbai University, GTU and the common multiply-by-ten rule, and each option shows its formula in plain text underneath the selector.
Why Indian Universities Disagree About the Formula
Grade points compress a range of marks into one number, so converting back always involves an assumption about where inside that range you actually sat. Each university picked a different assumption. CBSE fitted a multiplier to historical board results. VTU and GTU subtract a fixed offset first, which pulls lower CGPAs down harder. Mumbai University uses a multiplier with an added constant. None is more correct than the others in the abstract, but only one is correct for your marksheet, which is why guessing costs you marks on paper.
The Cost of Using the Wrong Multiplier
The differences are not trivial. A CGPA of 8.0 becomes 76 percent under the CBSE rule, 80 percent under the multiply-by-ten rule, and 72.5 percent under VTU. That spread crosses the eligibility line for a great many campus placements, government job notifications and postgraduate applications, which commonly sit at 60 percent, 70 percent or first class. Quoting a number your transcript does not support can cause an application to be rejected at verification, so use the rule your own institution publishes.
What to Write on a Job Application or Foreign Application
Indian employers usually prefer the CGPA exactly as it appears on your marksheet, with the percentage in brackets after it. Writing 8.4 CGPA followed by 79.8 percent lets a recruiter filter on whichever field their system uses without you having to overstate anything. For applications abroad, submit the CGPA and your university's conversion statement rather than a self-calculated percentage, since credential evaluators recompute it their own way and a mismatch invites questions you do not want.
CGPA, SGPA and Percentage Are Three Different Things
SGPA is the credit-weighted average of your grade points for a single semester. CGPA is the credit-weighted average of those SGPAs across every semester completed so far. Percentage is a conversion applied to the CGPA afterwards. The order matters: converting each semester to a percentage and averaging those gives a different answer than converting the final CGPA, because the semesters carry different credit loads. If you need to build the CGPA first, use the SGPA and CGPA calculator, then bring the result here.
Checking the Formula Before You Trust the Number
Your university's conversion rule is normally printed in the academic regulations, on the reverse of the marksheet, or in the examination section of the university website. Search for the phrase conversion of CGPA to percentage along with your university name. If two departments quote different rules, the controller of examinations decides. It takes five minutes to confirm, and it is the difference between a figure you can defend at document verification and one you merely hope is right.
Rounding, Decimals and the Number You Actually Write Down
Universities normally publish CGPA to two decimal places, and you should carry both of them into the conversion rather than rounding first. Converting 8.46 under the CBSE rule gives 80.37 percent, while rounding to 8.5 first gives 80.75, and that difference is enough to cross an eligibility threshold set at a whole number. Round only at the very end, and only to the precision the form asks for. If an application demands a single figure and your result sits fractionally under a cut-off, quote the exact value and let the recruiter decide rather than rounding up in your own favour, because document verification will use your marksheet, not your arithmetic.
Frequently Asked Questions
There is no single national formula, which is why this tool asks you to pick one. CBSE uses CGPA multiplied by 9.5. VTU subtracts 0.75 then multiplies by 10. Many universities including Anna University simply multiply by 10. Using the wrong one can shift your result by several percent, so check your own university handbook.
CBSE derived the multiplier from the average marks of students who scored each grade point across several years of board results. It is an empirical fit to past data rather than a mathematical identity, which is why it applies to CBSE Class 10 and 12 results and should not be borrowed for an engineering CGPA.
Yes. Switch the direction at the top and enter your percentage instead. The tool applies the same formula in reverse, so 76 percent under the CBSE rule becomes 8.0 CGPA. Keep in mind that reversing an approximate formula gives an approximate CGPA, which is fine for an application form but not for an official transcript.
Treat it as an estimate for filling forms, not as proof. Most employers and universities abroad want the conversion printed on an official transcript or a conversion certificate from your institution. WES and similar evaluators apply their own methodology, so their figure may differ from the one shown here.
No. The conversion is arithmetic that runs entirely in your browser, so nothing you type leaves your device and nothing is logged. There is no sign-up, no ads reading your input and no record kept after you close the tab.