Anna University CGPA Calculator
Anna University follows the Choice Based Credit System (CBCS) across its 500+ affiliated colleges in Tamil Nadu. The CGPA is calculated as the weighted average of grade points earned across all courses, with each course weighted by its credit value.
Grade scale
Anna University uses a 10-point grading scale: S=10, A+=9, A=8, B+=7, B=6, C=5, U=0 (fail). U or RA grade indicates re-appearance required and carries 0 grade points.
| grade | grade point |
|---|---|
| S | 10 |
| A+ | 9 |
| A | 8 |
| B+ | 7 |
| B | 6 |
| C | 5 |
| U | 0 |
How it works
Anna University uses a direct conversion: Percentage = CGPA × 10. The grading scale uses S (Outstanding, 10 points) in newer regulations, replacing the older O designation. This calculator supports all current regulation years.
Frequently asked questions
How is GPA calculated per semester at Anna University?
GPA = sum of (course credits × grade points obtained) / sum of total credits in that semester. For example, if you have 5 courses of 4 credits each with grades S, A+, A, B+, B, your GPA = (4×10 + 4×9 + 4×8 + 4×7 + 4×6) / 20 = 160/20 = 8.00.
What is Anna University's CGPA to percentage formula?
Anna University uses Percentage = CGPA × 10. A CGPA of 8.5 equals 85%. This is the standard formula across all regulations (R2017, R2021, R2023).
What CGPA is needed for first class at Anna University?
A CGPA of 6.5 or above qualifies for First Class. CGPA of 7.5 or above qualifies for First Class with Distinction, provided all courses are cleared in the first attempt with no history of arrears.
How do arrears (backlogs) affect CGPA at Anna University?
If you receive a U or RA grade in a course, it contributes 0 grade points but the credits are still counted in the denominator, which lowers your CGPA. Once you clear the arrear, the new grade replaces the previous one in the CGPA computation.