Education Calculators

CGPA Calculator

Combine your semester grade point averages (SGPA) into a cumulative grade point average (CGPA) on the 10-point scale, weighted by credits, and convert the result to a percentage using your university’s rule.

Semesters
CGPA8.23out of 10
Equivalent percentage
78.18%
Total credits
69
Step-by-step working
  1. Σ(SGPA × credits) = 567.8
  2. CGPA = 567.8 ÷ 69 = 8.23
  3. Percentage: 8.23 × 9.5 = 78.18%

If your semesters have equal credits, CGPA is simply the average of the SGPAs. Always use the conversion formula printed on your marksheet or in your university’s regulations.

How to use the CGPA Calculator

  1. Enter each semester’s SGPA and its total credits.
  2. Choose the percentage conversion your university uses.
  3. Press Calculate.

Formula

CGPA = Σ(SGPA × semester credits) ÷ Σ credits

Common conversions: Percentage = CGPA × 9.5 (CBSE), or (CGPA − 0.75) × 10 at some universities.

Examples

  • 8.2 (22 cr), 7.9 (24 cr), 8.6 (23 cr): 567.8 ÷ 69 = 8.23 CGPA ≈ 78.2%.

Frequently asked questions

Why multiply by 9.5?

CBSE derived 9.5 from the average performance of top students; many institutions adopted it. It is a convention, not a universal rule.