How to Calculate GPA and CGPA: Formula and Examples
Published 29 October 2026 by Kloora Tools
Quick answer: GPA is the sum of (grade points x credit hours) for all courses divided by total credit hours. CGPA is the same calculation across all semesters together.
The formula
GPA = total quality points / total credit hours, where quality points = grade point x credit hours for each course.
Standard 4.0 scale
- A = 4.0, A- = 3.7
- B+ = 3.3, B = 3.0, B- = 2.7
- C+ = 2.3, C = 2.0, C- = 1.7
- D = 1.0, F = 0
Your university may use a slightly different table, so check its grading policy.
Worked example
Course 1: A (4.0) with 3 credit hours = 12 points. Course 2: B (3.0) with 3 credit hours = 9 points. Course 3: B+ (3.3) with 4 credit hours = 13.2 points. Total points = 34.2. Total credit hours = 10. GPA = 34.2 / 10 = 3.42.
Steps with the calculator
- Open the GPA and CGPA Calculator.
- Add each course with its grade and credit hours.
- Read your GPA.
- To get CGPA, enter your previous total credit hours and previous GPA.
Raising your CGPA
Courses with more credit hours move your CGPA more. Retaking a low grade, if your university allows replacement, can lift it fastest. Plan with the calculator before you decide.
Percentage to GPA
Marks do not convert to grade points with one universal rule. Use your institution's conversion chart, and the Percentage Calculator for the marks side.
Frequently asked questions
What is the difference between GPA and CGPA?
GPA covers one semester. CGPA covers all semesters combined, weighted by credit hours.
Is 3.0 a good GPA?
It equals a B average on the 4.0 scale. What counts as good depends on your program and goals.
Does every university use the same scale?
No. Many use a 4.0 scale but the grade points per mark range differ, so follow your university table.
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