CGPA / OGPA to Percentage Calculator

Convert CGPA or OGPA using the conversion method accepted by your institution.

Step 1

Enter your academic values

Enter the grade-point value shown on your marksheet.
Most universities use 10, but some use 4, 5 or another scale.
Choose conversion methodUse the method accepted by your institution or recruitment notice.
Example: some institutions use CGPA × 9.5, while others use a direct scale-based formula.
Important: Different universities and recruitments use different conversion rules. Follow the exact method specified in your marksheet, university guideline or official notification.
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Quick Answer

A CGPA or OGPA to percentage calculator converts grade points using either a conversion factor or a direct scale formula. The correct method depends on your board, university or recruitment rule.

Candidate Rule

Do not guess the conversion method. Use the exact formula accepted by your institution or stated in the recruitment notification.

01

Enter CGPA or OGPA

Type the value shown on your marksheet.

02

Select the method

Choose factor or direct-scale conversion.

03

Cross-check result

Verify the output with your institution’s official rule.

Worked Example

Suppose a candidate has 8.2 CGPA and the accepted factor is 9.5:

CGPA8.2
Conversion factor9.5
Percentage77.90%

CGPA / OGPA to Percentage FAQs

Is there one universal CGPA formula?

No. Different boards and universities use different formulas.

What is the 9.5 conversion factor?

Some institutions multiply CGPA by 9.5, but this is not universal.

Can I use the direct scale formula?

Yes, if your institution or recruitment allows it.

Should I round the final percentage?

Use the rounding method accepted by the relevant institution or recruitment authority.

What if my OGPA uses another scale?

Enter the correct maximum scale and use the official conversion method for that score.