How to Calculate CGPA: Step-by-Step Guide with Formula

You can calculate your CGPA by multiplying the grade point of each subject by its respective credit, summing all these values, and dividing

Understanding how to calculate CGPA (Cumulative Grade Point Average) is essential for students who want to measure their overall academic performance. Whether you want to know how to calculate CGPA from percentage, how to calculate CGPA from SGPA, or even how to calculate CGPA from credits, this guide will make it simple and easy for you.

How to Calculate CGPA: Step-by-Step Guide with Formula

What is CGPA?

CGPA stands for Cumulative Grade Point Average. It represents the average of all grade points obtained in each semester. It provides a standardized measure of a student's academic performance over a specific period.

Table of Contents

CGPA Formula:

CGPA = (Sum of Grade Points in All Subjects) ÷ (Total Number of Subjects)

Example Table:

Subject Credit Grade Grade Point Credit Points (Credit × Grade Point)
Mathematics 4 A+ 9 36
Physics 3 A 8 24
Chemistry 3 B+ 7 21
English 2 A 8 16
Total 12 - - 97


CGPA = Total Credit Points ÷ Total Credits = 97 ÷ 12 = 8.08

How Can I Calculate CGPA?

You can calculate your CGPA by multiplying the grade point of each subject by its respective credit, summing all these values, and dividing by the total number of credits. This provides a weighted average of your academic performance.

What is Grading Scale?

A grading scale assigns numerical values (called grade points) to letter grades (A+, A, B+, etc.). This helps convert your academic performance into a measurable average. Each university has its own grading scale, but a common one is as follows:

Grade Grade Point Percentage Range
A+ 10 90–100%
A 9 80–89%
B+ 8 70–79%
B 7 60–69%
C 6 50–59%
F 0 Below 50%


Our powerful CGPA calculator helps you calculate your CGPA easily with editable grade points so you can adjust them according to your university’s grading system.

How to Convert CGPA to Percentage?

To convert CGPA to percentage, most universities follow a simple formula. However, it may vary depending on your institution.

Percentage = CGPA × 9.5

Example: If your CGPA is 8.2, then your percentage is:

Percentage = 8.2 × 9.5 = 77.9%

Our online CGPA calculator helps you not only calculate your CGPA but also instantly convert it to percentage. Simply enter your subjects, grades, and credits, and you’ll get both CGPA and percentage results instantly.

Frequently Asked Questions (FAQs)

Are CGPA and SGPA the same?
No, CGPA is the cumulative grade point average for all semesters, while SGPA (Semester Grade Point Average) is calculated for a single semester only.
How are CGPA calculated?
CGPA is calculated by dividing the total grade points obtained in all subjects by the total number of credits or subjects.
Are CGPA and GPA the same?
Both are similar, but GPA is typically used in countries like the USA, and CGPA is more common in India and other countries. GPA is often calculated on a scale of 4, while CGPA is on a scale of 10.
Can CGPA be converted to percentage?
Yes, you can convert CGPA to percentage using the formula: Percentage = CGPA × 9.5. Many universities follow this standard conversion method.
Can CGPA be more than 10?
No, the CGPA scale usually ranges from 0 to 10. A CGPA of 10 indicates a perfect score in all subjects.

Final Thoughts

Calculating your CGPA manually is possible, but it can be time-consuming. That’s why our free online CGPA Calculator is designed to make the process simple and error-free. You can calculate your CGPA from percentage, SGPA, or credits, and even convert it into percentage instantly — all in one place.

So, whether you’re a student preparing transcripts or just curious about your academic score, try our calculator and find your accurate CGPA in seconds!
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