SGPA: The SGPA is the weighted average of grade points obtained in all subjects of a semester. SGPA = (Σ (Credit × Grade Point)) / Σ (Credits) CGPA: The CGPA is the average of SGPAs across all semesters completed. CGPA = (SGPA₁ + SGPA₂ + ... + SGPAₙ) / n Percentage: Multiply CGPA by 9.5 (India only).