Free Tool
GPA & CGPA Calculator
Add your modules, select grades, and get your semester GPA instantly. Free — no account required.
Used by 2,000+ students across Sri Lankan private universities
Module Name Credits Grade
Your Semester GPA
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How to calculate CGPA — the formula explained
Your CGPA (Cumulative Grade Point Average) is the weighted average of all your semester GPAs, where each module's credit hours act as the weight.
Formula
GPA = Σ (Grade Points × Credit Hours) ÷ Σ Credit Hours
For example, if you scored an A (4.0) in a 3-credit module and a B+ (3.3) in a 2-credit module:
GPA = (4.0×3 + 3.3×2) ÷ (3+2) = (12 + 6.6) ÷ 5 = 3.72
Most Sri Lankan private universities use the standard 4.0 scale. Some institutions affiliated with UK universities use a class-based system instead.
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