Convert CGPA to a percentage. This free calculator supports the CBSE ×9.5 rule, the general ×10 method, a 4-point scale and custom multipliers, so you can match your board or university’s formula.
There’s no single universal CGPA-to-percentage formula — boards and universities differ. Pick the method your institution uses. If you’re unsure, check your marksheet or official guidelines; this tool shows the common conversions side by side.
Convert CGPA
×
Enter your CGPA and choose how your board or university converts it. The CBSE rule (× 9.5) applies to its 10-point grading; a 4-point scale (common in the US) divides by 4 instead.
Percentage
—
Enter your CGPA
Method used
—
× 9.5 (CBSE)
—
× 10
—
CGPA (cumulative grade point average) summarises your grades; the percentage is an approximate equivalent. Always use your institution’s official method for transcripts and applications.
Use this free CGPA to percentage calculator to convert your cumulative grade point average into a percentage. Choose the method your board or university uses for an accurate result.
What this CGPA to percentage calculator does
A CGPA to percentage calculator converts your cumulative grade point average into an equivalent percentage. Because conversion rules vary, it offers several methods — including the common CBSE × 9.5 rule and a 4-point-scale option.
Common conversion methods
Method
Formula
CBSE (10-point)
Percentage = CGPA × 9.5
General 10-point
Percentage = CGPA × 10
Some universities
(CGPA − 0.75) × 10
4-point scale
(CGPA ÷ 4) × 100
For a CGPA of 8.2, the CBSE rule gives 77.9%, while × 10 gives 82%.
Why methods differ
Grading systems aren’t standardised. CBSE uses × 9.5 for its 10-point scale, many universities publish their own formula, and US-style programs work on a 4.0 scale entirely. Using the wrong method can shift your percentage by several points.
How to use the CGPA to percentage calculator
Enter your CGPA.
Pick the conversion method your institution uses.
Read your percentage, with the common methods shown for comparison.
CGPA to Percentage FAQ
How do I convert CGPA to percentage?
Multiply your CGPA by the factor your institution uses. CBSE uses ×9.5, so a CGPA of 8.2 is 77.9%. Other systems use ×10 or a 4-point scale.
What is the CBSE CGPA to percentage formula?
Percentage = CGPA × 9.5, applied to CBSE's 10-point grading. For example, 9.0 CGPA equals 85.5%.
Is there one universal formula?
No. Boards and universities differ, which is why this calculator lets you pick the method — using the wrong one can change your percentage by several points.
How do I convert a 4-point GPA to a percentage?
Choose the 4-point option, which divides by 4 and multiplies by 100. A 3.6 GPA is about 90%.
Which method should I use?
The one your institution states officially — check your marksheet or guidelines. The calculator also shows the common ×9.5 and ×10 results for comparison.
Is the CGPA to percentage calculator free?
Yes, it's completely free, needs no sign-up, and gives instant results in your browser.
