Which formula should I use?

It depends on your board or university. CBSE Class 10 and 12: percentage = CGPA × 9.5. Many engineering universities use (CGPA − 0.75) × 10 or CGPA × 10. Check your marksheet or the university's conversion certificate.

Is CGPA × 9.5 official?

For CBSE it's the officially notified indicative equivalence. Other institutions publish their own multipliers or subtraction constants.

CGPA to Percentage Calculator

Convert a CGPA or SGPA to a percentage using the formula your institution actually uses — CBSE's 9.5 multiplier, the ×10 rule, VTU and Mumbai variants, or your own multiplier. Works both ways.

Formula / university

CGPA / SGPA (0–10)

Percentage

77.90 %

CBSE Class 10 & 12: percentage = CGPA × 9.5

Different boards and universities use different conversions — a multiplier (×9.5, ×10) or a subtraction constant. Always confirm against your marksheet or your university's official conversion certificate before quoting a percentage on an application.

FAQ

Which formula should I use?: It depends on your board or university. CBSE Class 10 and 12: percentage = CGPA × 9.5. Many engineering universities use (CGPA − 0.75) × 10 or CGPA × 10. Check your marksheet or the university's conversion certificate.
Is CGPA × 9.5 official?: For CBSE it's the officially notified indicative equivalence. Other institutions publish their own multipliers or subtraction constants.

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