Estimate GPA from marks, credits, and grading scales quickly. Review weighted results with clarity instantly. Track subject performance using flexible academic planning tools today.
Use the options below to calculate a weighted GPA from subject marks.
This sample shows how marks, credits, and grade points can be organized before calculation.
| Subject | Obtained Marks | Maximum Marks | Credits | Percentage | Sample Letter | Sample Grade Point |
|---|---|---|---|---|---|---|
| Mathematics | 88 | 100 | 3 | 88% | A- | 3.7 |
| Physics | 81 | 100 | 4 | 81% | B+ | 3.3 |
| Chemistry | 76 | 100 | 3 | 76% | B | 3.0 |
| English | 91 | 100 | 2 | 91% | A | 4.0 |
Percentage per subject
Percentage = (Obtained Marks ÷ Maximum Marks) × 100
Quality points per subject
Quality Points = Grade Point × Credit Hours
Weighted GPA
GPA = Σ(Grade Point × Credits) ÷ ΣCredits
The calculator first converts each subject percentage into a letter grade and grade point using the selected GPA scale.
It then multiplies each grade point by the course credits, adds all quality points together, and divides by total credits to produce the weighted GPA.
It converts marks into percentages, maps those percentages to grade points, and then computes a weighted GPA using course credits. It is useful for semester reviews, planning, and comparing academic performance across subjects.
Credits control the weight of each subject. A course with more credits affects the final GPA more than a low-credit course, even if both subjects have the same percentage.
Yes. Each subject can have its own maximum marks. The calculator converts marks to percentages first, so subjects marked out of 50, 75, or 100 can still be processed consistently.
Yes. The scale selector changes the grade-point conversion rules. Choose the one closest to your institution’s grading policy for more realistic GPA output.
Failed subjects receive a low or zero grade point based on the chosen grading scale. That reduces total quality points and can significantly lower the overall GPA.
This calculator produces a weighted GPA. It multiplies each subject’s grade point by its credit hours before averaging, which reflects standard academic GPA practice more accurately.
Yes. After calculation, you can download a CSV file for spreadsheet use or a PDF file for sharing, record keeping, or printing.
Not always. Institutions may use different mark bands, grade labels, or GPA scales. This tool provides a strong general method, but you should compare it with your official grading policy.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.