Anna University CGPA Calculator
Calculate your Anna University SGPA from your subject grades and credits, using the official grade-point scale.
How Anna University SGPA is calculated
Anna University uses a credit-weighted grade-point average. Each subject's grade maps to a grade point, and each subject is weighted by its credits:
Your CGPA is then the credit-weighted average of every semester's SGPA. Once you have your CGPA, convert it to a percentage on the Anna University converter (Percentage = CGPA × 10), or roll multiple semesters together with the SGPA to CGPA calculator.
Source: Anna University ACOE (acoe.annauniv.edu). ✓ Verified 12 May 2026
Anna University Grade Point Scale
| Grade | Marks Range | Grade Points |
|---|---|---|
| O | 91-100 | 10 |
| A+ | 81-90 | 9 |
| A | 71-80 | 8 |
| B+ | 61-70 | 7 |
| B | 56-60 | 6 |
| C | 50-55 | 5 |
| U | 0-49 | 0 |
Anna University CGPA Calculator — Frequently Asked Questions
How do I calculate my Anna University SGPA from grades?
Multiply each subject's grade point by its credits, add those up, and divide by the total credits: SGPA = Σ(grade point × credits) ÷ Σ(credits). The calculator above does this for you once you pick a grade and enter credits for each subject. If you leave credits blank, it uses a simple average of the grade points.
What is the Anna University grade-point scale?
Anna University grades run from O (10 points, 91-100 marks) down to the lowest passing grade. The full table is above. The highest grade is O and a U grade carries 0 points.
How do I convert my Anna University CGPA to a percentage?
Anna University uses Percentage = CGPA × 10. For example, a CGPA of 8.5 is 85.00%. Use the Anna University CGPA to Percentage calculator for your exact number.
What's the difference between SGPA and CGPA?
SGPA is your grade-point average for a single semester. CGPA is the credit-weighted average across all semesters completed so far. This page computes one semester's SGPA; combine multiple semesters into a CGPA with the SGPA to CGPA calculator, or read the full explainer on SGPA vs CGPA.