CGPA Calculator — Anna University

Free online calculator for Anna University students (R2021 / R2017 / R2013). Calculate GPA, CGPA, and percentage instantly.  → How to calculate GPA step by step

Enter each subject's credit and grade to calculate your semester GPA.

# Subject Name (optional) Credits Grade

Enter GPA for each semester to calculate your overall CGPA.

Semester Semester GPA Credits Registered

Anna University CGPA to Percentage Formula

Percentage = CGPA × 10

This is the official formula used by Anna University for all regulations (R2021, R2017, R2013). Some universities use different multipliers — always check your official marksheet.

out of 10.0

CGPA to Percentage — Quick Reference Table

CGPAPercentageClassAnna University Standing
9.5 – 10.095% – 100%OutstandingFirst Class with Distinction (Exceptional)
9.0 – 9.4990% – 94.9%OutstandingFirst Class with Distinction
8.5 – 8.9985% – 89.9%ExcellentFirst Class with Distinction
8.0 – 8.4980% – 84.9%Very GoodFirst Class with Distinction
7.5 – 7.9975% – 79.9%GoodFirst Class
7.0 – 7.4970% – 74.9%GoodFirst Class
6.5 – 6.9965% – 69.9%AverageSecond Class
6.0 – 6.4960% – 64.9%AverageSecond Class
5.0 – 5.9950% – 59.9%PassPass Class
Below 5.0Below 50%FailNot Eligible for Degree

Anna University Grading Scale (R2021 / R2017)

Letter GradeGrade PointsMark RangePerformance
O (Outstanding)1091 – 100Outstanding
A+ (Excellent)981 – 90Excellent
A (Very Good)871 – 80Very Good
B+ (Good)761 – 70Good
B (Average)657 – 60Average
C (Satisfactory)550 – 56Satisfactory
U (Fail)0Below 50Fail — Arrear
SA (Shortage of Attendance)0Detained — not eligible to appear
R2013 Note: Anna University R2013 regulation uses a slightly different grading (S=91-100, A=81-90, B=71-80, C=61-70, D=57-60, E=50-56). The CGPA calculation method is the same — Grade Points × Credits.

How to Calculate CGPA — Formula Explained

GPA Formula (Semester)

GPA = Σ (Credit × Grade Points) ÷ Σ Credits

Example:

Subject 1: Web Technology — 3 credits, Grade A+ (9 points) → 3 × 9 = 27
Subject 2: Data Structures — 4 credits, Grade O (10 points) → 4 × 10 = 40
Subject 3: DBMS — 3 credits, Grade A (8 points) → 3 × 8 = 24
Subject 4: Maths — 4 credits, Grade B+ (7 points) → 4 × 7 = 28

Total Credits = 14  |  Total Grade Points = 27+40+24+28 = 119

GPA = 119 ÷ 14 = 8.50

CGPA Formula (Overall)

CGPA = Σ (Semester GPA × Credits that semester) ÷ Total Credits

Example (2 semesters):

Semester 1: GPA 8.5, Credits 24 → 8.5 × 24 = 204
Semester 2: GPA 9.0, Credits 24 → 9.0 × 24 = 216

Total Credits = 48  |  Total Points = 420

CGPA = 420 ÷ 48 = 8.75

Frequently Asked Questions

What is the CGPA to percentage formula for Anna University?
Anna University uses the formula: Percentage = CGPA × 10. So a CGPA of 8.5 equals 85%. This is the official formula mentioned in Anna University's grading regulations and is accepted for job applications, higher education, and government forms.
What is a good CGPA in Anna University?
  • 9.0+ CGPA — Exceptional. Eligible for University Rank (top 3 in department). Strong for GATE, IIT, MS abroad.
  • 8.0–8.9 CGPA — Very good. First Class with Distinction. Eligible for most service and product company placements.
  • 7.0–7.9 CGPA — Good. First Class. Eligible for most campus placements including TCS, Infosys, Wipro.
  • 6.0–6.9 CGPA — Second Class. Some companies have 6.5+ CGPA cutoffs for campus recruitment.
  • Below 6.0 CGPA — Pass Class. Limited placement opportunities through campus. Off-campus drives are an option.
What is the minimum CGPA required for TCS, Infosys, Wipro campus placements?
  • TCS NQT: 60% aggregate (6.0 CGPA equivalent) with no active arrears
  • Infosys: 65% aggregate (6.5 CGPA) with no active arrears
  • Wipro: 60% aggregate (6.0 CGPA)
  • Cognizant: 60% aggregate
  • HCL: 60% aggregate

Note: Aggregate can refer to CGPA × 10 or the average of all semester marks depending on company policy. Always use CGPA × 10 when filling forms unless the company specifies otherwise.

How many credits are in each semester at Anna University?
Under R2021, each semester typically has 24–26 credits (varies by department and subject). Over 8 semesters, the total is approximately 160–180 credits for a BE/BTech degree. The exact credit distribution is available in your department's curriculum document on the Anna University website.
Does Anna University CGPA consider arrear subjects?
Yes. If you have an arrear and reappear, the grade earned in the reappearance replaces the 'U' grade for CGPA calculation. However, many companies track the number of arrears (active + history) separately — even with a good CGPA, companies like Infosys may reject if you have history of arrears.
What is the difference between GPA and CGPA?
  • GPA (Grade Point Average): calculated for a single semester — sum of (credit × grade points) divided by total credits that semester
  • CGPA (Cumulative GPA): calculated across ALL semesters — weighted average of all semester GPAs using total credits
Your marksheet will show both: individual semester GPA and the running CGPA.
How to improve CGPA in final semesters?

CGPA is a weighted average — later semesters have the same credit weight, so improvement is slow. Practical strategies:

  • Score O grade (10 points) in project (high credit subject, usually 6–12 credits) — massive impact
  • Score well in elective subjects which you can choose based on your strength
  • Clear all arrears to prevent 0 grade points dragging down CGPA
  • Apply for internal mark improvement through lab work and assignments

Math example: Going from A (8) to O (10) in a 4-credit subject raises your semester GPA by 8/total credits, which translates to a CGPA improvement of ~0.05–0.10 per semester.

Is Anna University CGPA calculated on a 10-point scale or 4-point scale?
Anna University uses a 10-point scale. The maximum CGPA is 10.0 (all O grades). US universities and many international programs use a 4-point scale — if you're applying abroad, most institutions have their own conversion formula, or you can use WES/NACES for official conversion.