CGPA to Percentage Calculator
Convert your CGPA to a percentage using the CBSE formula (CGPA × 9.5), with a custom multiplier for other boards and universities.
About this calculator
This CGPA to percentage calculator converts your Cumulative Grade Point Average into a percentage using the official CBSE formula. Enter your CGPA and it multiplies by 9.5 instantly — or change the multiplier if your board or university uses a different factor.
The formula
Percentage = CGPA × 9.5. For a CGPA of 8.5, that's 8.5 × 9.5 = 80.75%.
Need to go the other way? Use the percentage to CGPA calculator, or work out any percentage with the percentage calculator.
Frequently asked questions
Multiply your CGPA by 9.5. This is the official CBSE formula: Percentage = CGPA × 9.5. For example, a CGPA of 8.5 equals 80.75%.
CBSE derived 9.5 by averaging the marks of top-scoring students across subjects over several years. It applies to the CBSE 10-point grading scale; some universities use a different factor.
Using the CBSE formula, 10 CGPA × 9.5 = 95%. A perfect 10 CGPA corresponds to 95%, not 100%.
The 9.5 multiplier is CBSE-specific. Many universities publish their own conversion formula, so change the multiplier field to match your institution's rule.
Yes. The calculation runs in your browser and nothing you enter is stored.
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