GPA Calculator
Calculate semester GPA or cumulative GPA from course credits and letter grades, optionally folding in prior credits and your previous GPA for an updated overall average.
GPA Inputs
Add your courses and grades to calculate your GPA.
Semester GPA
3.50
14 credits · 49.0 quality points
| Course | Credits | Grade | Grade Points |
|---|---|---|---|
| Calculus I | 4 | A | 16.0 |
| English Composition | 3 | B+ | 9.9 |
| Intro to Psychology | 3 | A- | 11.1 |
| Physics I | 4 | B | 12.0 |
| Total | 14 | 49.0 |
Methodology and limitations
Last reviewed:
Methodology
Converts letter grades to grade points, multiplies by credit hours, and computes semester or cumulative GPA on a standard 4.0 scale.
Limitations
Schools may use different scales (e.g. weighted GPA, plus/minus variations). Confirm your institution's policy.
How to Calculate GPA
Calculate semester GPA or cumulative GPA from course credits and letter grades, optionally folding in prior credits and your previous GPA for an updated overall average.
Method used
The calculator multiplies each course's credit hours by the selected letter-grade points, adds the quality points, and divides by total credits.
GPA = total quality points / total credits
Practical example
A student with 4 credits of A, 3 credits of B+, and 3 credits of A- can combine credits and grade points to estimate semester GPA.
- Course credits
- Letter grade for each course
- Optional previous credits and GPA for cumulative mode
The result shows semester GPA or cumulative GPA, total credits, and quality points.
Assumptions
- Letter grades use the calculator's standard 4.0 grade-point table.
- Credits are counted as attempted credits.
- Cumulative mode combines previous GPA data with current courses.
What this includes
- Semester GPA, cumulative GPA, editable courses, credits, letter grades, and quality points.
What this excludes
- Pass/fail courses, repeated-course replacement rules, weighted high-school GPA, school-specific policies, and transcript validation.
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Frequently Asked Questions
How do I calculate GPA?
Multiply each course’s credit hours by its grade points on the 4.0 scale, add those quality points, then divide by total credits attempted. For example, a 3-credit B (3.0) contributes 9 quality points. Enter each class below to automate the arithmetic and reduce transcription mistakes when planning add/drop decisions.
Can this calculate cumulative GPA?
Yes. Switch to cumulative GPA mode, enter previous credits and previous GPA, then add the current semester’s courses. The calculator combines prior quality points with new ones to produce an updated overall GPA. Confirm whether your school excludes certain transfer credits before treating the result as official.
Does this support every school's grading scale?
No. It uses a standard 4.0 letter-grade scale with common plus/minus steps. School-specific scales, pass/fail courses, repeated-course forgiveness, and weighted AP scales may differ. Always compare the grade-point table with your registrar’s catalog before using the number for probation, honors, or application decisions.
What is a quality point?
A quality point is credit hours multiplied by grade points for a course. For example, 3 credits of B (3.0 points) equals 9 quality points. Semester GPA is total quality points divided by total credits attempted. Tracking quality points helps you see how a heavy credit course moves GPA more than a one-credit elective.
How do plus and minus grades affect GPA?
This calculator uses a standard table where A is 4.0, A− is 3.7, B+ is 3.3, B is 3.0, and so on down the scale. Some schools round differently, omit plus/minus grades, or use A+ above 4.0. Compare your syllabus or transcript key before relying on the result for academic planning.