India University

Anna University CGPA Guide — Regulation 2021 & 2017

Anna University uses a 10-point grading scale with specific grade boundaries. The formula is straightforward — but the regulation year matters for which grade table applies.

Grade points by regulation
CGPA formula
Worked example
CGPA to percentage conversion
Arrear impact on CGPA
FAQ

Grade Points — Anna University Grading Scale

Anna University uses a 10-point scale where the maximum grade point is 10 (O grade). The grading applies to all affiliated colleges across Tamil Nadu.

Grade	Grade Point	Marks Range
O (Outstanding)	10	91–100
A+ (Excellent)	9	81–90
A (Very Good)	8	71–80
B+ (Good)	7	61–70
B (Average)	6	56–60
C (Satisfactory)	5	50–55
RA (Reappearance / Fail)	0	Below 50
SA (Shortage of Attendance)	0	—

💡 Regulation note: The exact grade boundaries may differ slightly between Regulation 2021, 2017, and older regulations. Check your marksheet for the applicable regulation year and verify the current official grade table from Anna University’s controller of examinations.

Anna University CGPA Formula

Anna University calculates CGPA using the standard credit-weighted formula:

CGPA = Σ (Ci × GPi) ÷ Σ Ci

Where Ci = credit hours for subject i, GPi = grade point for subject i, and the sum covers all subjects across all completed semesters.

Worked Example — Semester 1

Subject	Credits (Ci)	Grade	Grade Point (GPi)	Ci × GPi
Mathematics I	4	A+	9	36
Physics	3	A	8	24
Chemistry	3	B+	7	21
English	2	A	8	16
Programming	3	O	10	30
Physics Lab	2	A+	9	18
Total	17			145

SGPA for Semester 1 = 145 ÷ 17 = 8.53

CGPA after Semester 1 = 8.53 (same as SGPA when only one semester is complete)

CGPA to Percentage — Anna University Official Formula

Anna University specifies its official conversion formula in its examination regulations:

Percentage = (CGPA − 0.5) × 10

CGPA	Percentage	Classification
9.5	90%	First Class with Distinction
8.5	80%	First Class
7.5	70%	First Class
6.5	60%	Second Class
5.5	50%	Pass Class

Arrear (Backlog) Impact on Anna University CGPA

An arrear (RA grade) in Anna University contributes 0 grade points to the CGPA calculation while still including the subject’s credits in the denominator. This means:

A 4-credit subject with RA grade contributes 0 quality points but 4 credits to the denominator
Once the arrear is cleared, the new grade replaces the RA in CGPA calculation
SA (attendance shortage) also contributes 0 grade points and requires re-registration for the subject

The impact depends on how many credits the arrear subject carries and the total credits completed. A single 3-credit arrear in a 180-credit program typically reduces CGPA by approximately 0.1–0.25 points depending on what grade would have been expected.

What CGPA is considered good at Anna University?

At Anna University, 8.0+ is generally considered very good and meets most scholarship and higher study cutoffs. 7.5+ is the threshold for First Class classification (equivalent to approximately 70% under the official formula). For competitive companies in campus placements, 7.0+ is a common minimum, with 8.0+ preferred by top recruiters.

How is my CGPA affected if I appear for improvement examinations?

In Anna University’s system, improvement examination results may be treated differently from arrear results — the exact policy depends on the regulation year and specific examination rules. Under most regulations, if you appear for improvement (to improve a passing grade), the better of the two grades counts toward CGPA. Verify the current policy for your regulation year from your college’s examination cell.

Anna University CGPA and Employment

Anna University graduates face a highly competitive placement environment, particularly for engineering students in Tamil Nadu. CGPA benchmarks for key employment categories:

Core engineering companies (manufacturing, PSUs): Minimum 6.5/10 for eligibility; competitive candidates typically 7.5+. BHEL, L&T, ISRO written tests require clearing the academic eligibility first.
IT and software companies (TCS, Infosys, Wipro): Typically 6.0/10 minimum; 7.0+ preferred. Mass recruiters in the IT sector are the primary avenue for students with CGPA in the 6–7 range.
Product companies and MNCs: Typically 7.5–8.0+ minimum for shortlisting. Companies like Google, Microsoft, and similar require strong CGPA alongside excellent technical skills.
GATE coaching and PSU through GATE: GATE score is the primary criterion, but a minimum CGPA of 6.0–6.5 is required for PSU shortlisting in most cases. High CGPA strengthens the profile even when GATE score is the primary filter.

Use our dedicated Anna University CGPA Calculator — it uses the correct 10-point grade scale and credit weighting for Anna University affiliated colleges and produces results that match official calculations. For percentage conversion, the Anna University Percentage Converter applies the official (CGPA − 0.5) × 10 formula automatically.

Academic planning is most effective when you understand exactly where you stand and what each semester’s performance contributes to the cumulative picture. Our suite of calculators — CGPA, SGPA, target planners, and university-specific tools — give you that clarity so you can make informed decisions about course selection, study priorities, and academic goals throughout your degree program.

Anna University’s examination system covers more than 500 affiliated colleges across Tamil Nadu, making it one of the largest technical university systems in India. Despite this scale, the grading formula is uniform across affiliated colleges — the same grade-point table and the same CGPA formula apply at every institution. This uniformity makes our calculator reliable for any Anna University affiliated college student, regardless of which campus or branch you’re studying at.

Anna University Tools

Anna University Calculator
CGPA to Percentage
General CGPA Calculator