CGPA Calculator
Combine semester grades.
Enter each semester SGPA and credits to calculate credit-weighted CGPA.
Semester Grades
Credit-weighted CGPA calculation.
Semester Trend
How It Works
Enter Current CGPA
Add your existing cumulative grade point average.
Add Completed Credits
Enter the credit hours already included in your current CGPA.
Add New Semester
Enter your latest semester GPA and credit hours.
Calculate Updated CGPA
Click Calculate to see your new cumulative grade point average.
CGPA Calculator Overview
CGPA (Cumulative Grade Point Average) reflects a student's overall academic performance across completed coursework. This calculator updates your existing CGPA by combining your current cumulative record with your latest semester GPA and credit hours.
Why Use This Calculator
- Update an existing CGPA after a new semester
- Uses credit-weighted cumulative calculation
- See whether the new semester raises or lowers your CGPA
- Free, fast, and works on any device
Calculation Formula
New CGPA = ((Current CGPA × Completed Credits) + (Semester GPA × Semester Credits)) ÷ Total Credits
Example: Current CGPA 8.2 over 80 credits plus semester GPA 8.7 over 20 credits gives an updated CGPA of 8.30.
Worked example: updating CGPA after a new semester
Suppose your transcript shows an 8.20 CGPA after 80 completed credits, and this semester you earned an 8.70 SGPA over 20 credits.
- 1Multiply the old CGPA by completed credits: 8.20 x 80 = 656 grade points.
- 2Multiply the new semester GPA by new credits: 8.70 x 20 = 174 grade points.
- 3Add both totals: 656 + 174 = 830 grade points across 100 credits.
- 4Divide by total credits: 830 / 100 = 8.30 updated CGPA.
The new semester was stronger than the old cumulative average, so the CGPA rises. The increase is modest because 80 older credits already carry most of the weight.
How this differs from SGPA-to-CGPA
Use the CGPA calculator when you already know your current cumulative record and want to add one new semester. Use SGPA-to-CGPA when you are entering several semester GPAs from scratch.
Common mistakes to avoid
- Do not average CGPA and SGPA directly unless both represent the same number of credits.
- Do not mix 4-point and 10-point values in one calculation.
- Do not enter attempted credits if your university excludes withdrawn or failed-repeat credits from CGPA.
Content author
Abubakar
Calculator Content Author & Full Stack Developer
Writes and reviews the formulas, examples, FAQs, and accuracy notes used across Grade Average Calculator tools.
Frequently Asked Questions
What's the difference between GPA and CGPA?
GPA is for one semester or term; CGPA is the average across all semesters completed to date.
Can CGPA go down after a good semester?
Yes, if the new semester's GPA is lower than your existing CGPA, it will pull the average down; a higher one will raise it, but the more total credits you've already accumulated, the smaller the effect any single semester has.
Is CGPA calculated the same way in every country?
No. Some countries and universities use a 4.0 scale, others a 10.0 or 7.0 point scale, and formulas for converting CGPA to percentage vary by institution.
Do repeated or failed courses affect CGPA?
Usually yes, unless your institution has a specific grade replacement policy — check your academic handbook.
Do all universities use the same CGPA scale?
No — common scales include 4.0, 5.0, 7.0, and 10.0, and each has its own grade-point mapping, so a 3.5 CGPA on one scale is not comparable to a 3.5 on another without conversion.
What is considered a good CGPA?
This depends heavily on the scale and country — on a 4.0 scale, 3.5+ is generally considered strong; on a 10.0 scale, 8.0+ is often considered strong. Always check what's competitive within your specific field and institution.
How can I improve a low CGPA?
Focus on earning higher grades in your remaining semesters and, if available, use grade replacement or retake policies for past low grades — since CGPA is cumulative, consistent improvement over more credit hours gradually raises the overall average.
Should I enter credit hours or course count?
Enter credit hours if your transcript uses them. A five-credit lab course should carry more influence than a one-credit seminar.
Can one excellent semester repair a low CGPA?
It helps, but the effect depends on how many credits are already completed. Later semesters usually move CGPA more slowly.
Should internships or pass/fail courses be included?
Only include them if your official transcript assigns grade points and credits to them.