Anna University students can use this calculator for the latest Regulation 2021 grading system.
This system uses a 10-point scale where 'C' (5 points) is the passing grade.
How to Use Anna Univ Calculator
Set Regulation
Default is R2021. Review grade points (O=10, C=5).
Input Grades
Add semesters and enter subject credits & grades.
Check Classification
See if you meet the 8.5 CGPA criteria for Distinction.
Anna University Grading Scale (Reg 2021)
| Letter Grade | Grade Points | Meaning |
|---|---|---|
| O | 10 | Outstanding |
| A+ | 9 | Excellent |
| A | 8 | Very Good |
| B+ | 7 | Good |
| B | 6 | Average |
| C | 5 | Satisfactory (Pass) |
| RA / U | 0 | Re-appearance |
| SA | 0 | Shortage of Attendance |
Degree Classification & Attendance (R2021)
π First Class with Distinction
CGPA β₯ 8.50 and passing all courses in the first attempt within the authorized period (plus 1 year withdrawal if applicable).
π First Class
CGPA β₯ 6.50 and passing all courses within the authorized period (N+2 years).
β οΈ Shortage of Attendance (SA)
If attendance is < 75%, you get grade SA. You cannot write the exam and must redo the semester (Prevention of Re-appearance).
Anna University Regulations (R2017 vs R2021)
Understanding which regulation applies to you is crucial for accurate CGPA calculation. The grading system changed significantly between Regulation 2017 and Regulation 2021.
Regulation 2021 (R21)
Applies to: Students admitted from 2021 onwards.
Grades: O(10), A+(9), A(8), B+(7), B(6), C(5).
Passing: Grade C (5 points) is the minimum passing grade.
Regulation 2017 (R17)
Applies to: Students admitted between 2017-2020.
Grades: O(10), A+(9), A(8), B+(7), B(6).
Note: R17 limits grade points for B to 6, whereas R21 introduced 'C' as 5.
Frequently Asked Questions (Anna University)
Basic & How-To
How to calculate CGPA for Anna University?
To calculate CGPA, multiply the grade points obtained in each course by its credit value to get "Credit Points". Sum all credit points and divide by the total number of credits attempted across all semesters. The formula is: CGPA = Ξ£(GP Γ C) / Ξ£C.
How to use the Anna University CGPA Calculator?
Simply enter your subject names, credits, and select the grade (O, A+, A, etc.) from the dropdown for each course. Ensure you select the correct Regulation (2021 or 2017). The calculator will automatically compute your SGPA for the semester and update your overall CGPA instantly.
Classification & Distinction
What is the minimum CGPA for First Class with Distinction?
For Regulation 2021, you need a CGPA of 8.50 or higher. Crucially, you must have passed all subjects in the first attempt within the authorized duration (usually 4 years). Withdrawal from an exam (once) is allowed for valid reasons.
What is the requirement for First Class?
For First Class, you typically need a CGPA of 6.50 or higher and must complete the degree within the authorized period (usually N+2 years).
Grades & Attendance
Does 'SA' (Shortage of Attendance) affect CGPA?
Yes, indirectly. SA means you are detained and cannot write the exam. You must redo the semester. It prevents you from completing the course on time, which may affect your eligibility for 'First Class with Distinction'.
What are the grade points for Regulation 2021?
In R2021: O (10), A+ (9), A (8), B+ (7), B (6), and C (5). 'U'/'RA' is fail (0 points).
Arrears & Conversions
How are arrears handled in CGPA calculation?
Arrears (RA/U) carry 0 grade points but the credits are counted in the denominator, properly lowering your SGPA. When you clear the arrear, replace the grade in the calculator to see your updated CGPA.
How to convert Anna University CGPA to percentage?
The standard conversion used by most recruiters is Percentage = CGPA Γ 10. A 7.5 CGPA equals 75%. Note: Anna University transcripts often mention that CGPA is the primary metric, not percentage.
Is there a separate passing minimum for Internals?
For theory courses (R2021), there is no separate minimum for internals. You must secure 45% in the end-semester exam and 50% total (internal + external) to pass.
Accuracy & Privacy
Is this Anna University CGPA calculator accurate?
Yes, this calculator follows the official formulas prescribed by the Controller of Examinations, Anna University for Regulations 2017 and 2021.