A simple CGPA Calculator built using Python Tkinter that allows students to calculate their GPA, grades, and overall CGPA easily.
The application provides a user-friendly interface where you can dynamically add subjects, input marks, and instantly view results along with the grading system.
- ➕ Add Subjects Dynamically – no fixed subject limit.
- 🧮 Automatic GPA & Grade Calculation based on marks.
- 📊 CGPA Calculation with two decimal precision.
- 📖 Grading System Reference displayed with results.
- 🎨 Simple & Intuitive GUI built using Tkinter.
- 🚫 Error Handling for invalid inputs (e.g., empty fields or non-numeric entries).
| Marks Range | GPA | Grade | Description |
|---|---|---|---|
| 90–100 | 10 | O | Outstanding |
| 80–89 | 9 | A+ | Excellent |
| 70–79 | 8 | A | Very Good |
| 60–69 | 7 | B+ | Good |
| 50–59 | 6 | B | Above Average |
| 40–49 | 5 | C | Average |
| Below 40 | 0 | F | Fail |
1.Launch the program. from code
2.Click Add Subject to add a subject entry.
3.Enter marks (0–100) for each subject.
4.Press Calculate CGPA.
5.The app displays GPA, Grade, and overall CGPA along with the grading system.
📜 License
This project is licensed under the MIT License. You’re free to use, modify, and distribute it.
🤝 Contributing
Contributions are welcome! If you’d like to improve the project, fork the repository and submit a pull request.