CGPA to Percentage Calculator
Your CGPA and your board's conversion factor, with the working shown.
The calculator never sends or saves what you type.
Working from marks? Your percentage from your marks, the marks you need for a target, or the reverse: percentage to CGPA. Have semester SGPAs? Work out your CGPA from SGPAs. Tracking attendance? Attendance percentage calculator.
On this page
The formula
Percentage = CGPA × conversion factor
The arithmetic is one multiplication. Everything difficult about this conversion is the factor, because there is no national standard: boards and universities each publish their own, and the same CGPA converts to different percentages depending on who is reading it. A CGPA of 9.2 is 87.4% at ×9.5 and 92% at ×10 — nearly five points apart on the same grades.
That is why the calculator names the rule inside its answer rather than printing a bare number, and why the factor is a field you can see and change rather than a hidden constant.
Which factor is yours?
Two rules cover most of the demand. CBSE published 9.5 with its class-10 CCE grading scheme in 2010, describing it as an indicative conversion; it is the factor most people mean by "convert CGPA". Many universities running the choice-based credit system — Anna University among them — simply use 10, which makes the percentage the CGPA with the decimal point moved.
| CGPA | × 9.5 (CBSE) | × 10 |
|---|---|---|
| 5.0 | 47.5% | 50% |
| 5.5 | 52.25% | 55% |
| 6.0 | 57% | 60% |
| 6.5 | 61.75% | 65% |
| 7.0 | 66.5% | 70% |
| 7.5 | 71.25% | 75% |
| 8.0 | 76% | 80% |
| 8.5 | 80.75% | 85% |
| 9.0 | 85.5% | 90% |
| 9.5 | 90.25% | 95% |
| 10.0 | 95% | 100% |
Between the rows, multiply: a CGPA of 8.2 is 8.2 × 9.5 = 77.9%, or 82% at ×10. The gap widens as the CGPA rises, so the factor matters most to the students it costs most.
Why a perfect 10 is not 100%
Under CBSE's rule the arithmetic stops at 10 × 9.5 = 95%. That is not a bug in the calculator and not a rounding artefact — 9.5 is a conversion factor, not a scale, so 95% is simply the top of it. The number comes from CBSE's highest band, which covered marks from 91 to 100 against a grade point of 10: the band averages around 95, and 95 ÷ 10 is 9.5.
A ×10 rule has no such ceiling, and a perfect CGPA there is 100%. The calculator states the ceiling with every answer for exactly this reason: a student who does not see it assumes the tool has lost five points somewhere.
Universities that do not use a single factor
Some institutions do not multiply at all. VTU's older admission schemes subtract from the CGPA before scaling and its newer ones do not, so one VTU answer is wrong for a large part of its own student body. Savitribai Phule Pune University's conversion circular defines a band table — a different equation for each grade band — rather than one formula. Mumbai issued a fresh conversion circular in 2026 that changes what its colleges do.
This calculator does not ship those rules, and that is a deliberate limit rather than an omission. The formulas in circulation on other conversion sites contradict each other for the same university — we found three incompatible SPPU formulas on one search results page — and the governing documents are university circulars that change and are often published as scans. A tool that multiplies cannot express a band table, and dressing one up as a factor would put a confident wrong number on an admission form. If your university is one of these, the circular or your examination office is the answer, not a web page.
Going the other way
To turn a percentage back into a grade point, divide by the same factor — 85% ÷ 9.5 is about an 8.95 CGPA. The percentage to CGPA calculator does it for you, at your own factor, and flags the case where the answer lands above a 10-point scale.
Read it as an estimate either way. The real direction of travel is marks → CGPA: a board computes the grade point from the marks and then rounds, going back cannot recover what the rounding removed, and no institution accepts a back-converted CGPA as evidence of anything.
What the calculator cannot decide for you
The marksheet governs. Where a board or university prints a conversion on the document itself, or issues a conversion certificate on request, that figure is the one an admissions office or an employer will accept — not a number from any calculator, including this one. Use this page to understand the arithmetic and to check a figure you have been given, and quote the institution's own conversion when it exists.
If your result is marks out of a total rather than a grade point, the marks percentage calculator is the tool for it: marks obtained ÷ total marks × 100, with the same working shown.
Frequently asked questions
How do I convert CGPA to percentage?
Multiply the CGPA by the conversion factor your board or university publishes. CBSE published 9.5 for its class-10 grading scheme, so a CGPA of 8.2 is 8.2 × 9.5 = 77.9%. Many universities use 10 instead, which would make the same CGPA 82%. The factor is the institution’s to set, so check the marksheet or the examination office before writing the number on a form.
What is 9.5 CGPA in percentage?
90.25% under CBSE’s ×9.5 rule — 9.5 × 9.5 = 90.25 — and 95% under a ×10 rule. The two answers are nearly five points apart, which is why the factor matters more than the arithmetic.
Is 7.5 CGPA 75 percent?
Only if your institution converts at ×10. Under CBSE’s ×9.5 a CGPA of 7.5 is 7.5 × 9.5 = 71.25%, not 75%. Treating the CGPA as a percentage with the decimal point moved is the commonest mistake on these conversions.
Is 8 CGPA 80%?
Under a ×10 rule, yes: 8 × 10 = 80%. Under CBSE’s ×9.5 it is 76%. Nothing about the CGPA itself decides this — the conversion factor does, and it is printed by the board or the university, not chosen by the student.
Does CBSE still issue a CGPA?
Not for class 10. CBSE introduced the overall CGPA with the CCE scheme in 2010 and published ×9.5 as an indicative conversion; CCE was replaced by a marks-based board examination from 2017-18, so current class-10 results report marks and subject grades rather than an overall CGPA. The ×9.5 rule still applies to marksheets that actually carry one.
Why is a perfect 10 CGPA only 95%?
Because 9.5 is a conversion factor, not a scale: 10 × 9.5 = 95, so 95% is the ceiling of that rule. The factor comes from CBSE’s top band, which covered marks from 91 to 100 and carried a grade point of 10 — the band’s midpoint is about 95, and 95 ÷ 10 = 9.5. Under a ×10 rule a perfect CGPA is 100%.
Can I convert my CGPA to a GPA out of 4?
Not with a single multiplier, and the shortcuts you will find — percentage ÷ 25, or CGPA ÷ 2.5 — are not what credential evaluators use. WES and similar services convert course by course, weighting each grade by its credits against their own bands, so no whole-transcript formula reproduces the result. If you need a 4-point GPA for an application abroad, send the transcript for evaluation rather than converting it yourself.