Southern Illinois University Cumulative GPA Calculator
Easily calculate your Semester and Cumulative GPA for Southern Illinois University (SIU). Enter your grades and credits to get accurate results instantly.
Formula: Updated CGPA = (Semester GPA Semester Credits + Current CGPA × Completed Credits) ÷ (Semester Credits + Completed Credits)
How to Use this SIU CGPA Calculator
This Southern Illinois University Cumulative GPA Calculator helps students estimate their overall academic performance using the official 4-point grading scale. Designed for Southern Illinois University (SIU) students, it simplifies semester and cumulative GPA computation accurately.
- Enter your current Cumulative GPA (CGPA) and Credits Completed.
- Add your current semester courses with respective Grades and Credit Hours.
- Click Calculate to see your Semester GPA and updated Cumulative GPA.
The tool uses Southern Illinois University’s official grade-to-points mapping. For example, “A” may correspond to 4 points, while “A-” equals around 3.667. These values are weighted by course credits to determine the semester GPA, then merged with prior semesters to compute the overall CGPA.
Formula Explained: (Semester GPA Semester Credits + Current CGPA × Completed Credits) ÷ (Semester Credits + Completed Credits). This ensures accurate weighting of all past and present academic performance.
Southern Illinois University Grading Scale
| Grade | Quality Points |
|---|---|
| A | 4 |
| A- | 3.667 |
| B+ | 3.333 |
| B | 3 |
| B- | 2.667 |
| C+ | 2.333 |
| C | 2 |
| C- | 1.667 |
| D+ | 1.333 |
| D | 1 |
| F | 0 |
Official Source: Southern Illinois University – Grading Policy
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Disclaimer: This GPA calculator is an unofficial educational tool. It is not affiliated with or endorsed by any university. Always verify results with official Southern Illinois University grading policies.