CGPA converter
CGPA to percentage and back, a semester GPA calculator, and a 4-point estimate - each with the formula it used.
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Convert
The CBSE rule, and the one most Indian colleges fall back on.
= 77.90%
= — CGPA
percentage = CGPA × 9.5
8.2 → 77.90% · about 3.28 on a 4.0 scale
Universities publish their own conversion, and admissions offices or WES may recalculate from your transcript. Use this to plan, and your marksheet when it counts.
Semester GPA
Credit-weighted, the way a semester result is actually computed.
10 credits · GPA
8.70
= 82.65% by the rule selected on the left
GPA = Σ(credit × grade point) ÷ Σ(credit)