GPA Calculator — Semester and Cumulative GPA
Our free GPA calculator lets you calculate your semester GPA or update your cumulative GPA instantly. Add your courses, credit hours, and letter grades — the calculator does the math in real time. Switch between Semester mode and Cumulative mode to see exactly how this semester will affect your overall grade point average.
How to Calculate GPA
Step 1 — Enter Your Courses
Add each course you are taking this semester. Enter the course name (optional), the number of credit hours, and the letter grade you received or expect to receive. Click "Add Course" to add more rows.
Step 2 — Read Your GPA
Your semester GPA updates in real time as you enter grades. The calculator shows your GPA on the standard 4.0 scale along with the equivalent letter grade label.
Step 3 — Calculate Cumulative GPA (Optional)
Switch to Cumulative GPA mode and enter your current cumulative GPA and the total credit hours you have already completed. The calculator combines your existing GPA with this semester's results to show your new overall cumulative GPA.
GPA Grade Point Scale
Most US colleges and universities use the standard 4.0 grade point scale. Here is the complete grade-to-points conversion this calculator uses:
| Letter Grade | Grade Points | Percentage Range | Description |
|---|---|---|---|
| A+ | 4.0 | 97–100% | Exceptional |
| A | 4.0 | 93–96% | Excellent |
| A- | 3.7 | 90–92% | Near Excellent |
| B+ | 3.3 | 87–89% | Very Good |
| B | 3.0 | 83–86% | Good |
| B- | 2.7 | 80–82% | Above Average |
| C+ | 2.3 | 77–79% | Slightly Above Average |
| C | 2.0 | 73–76% | Average / Satisfactory |
| C- | 1.7 | 70–72% | Below Average |
| D+ | 1.3 | 67–69% | Poor |
| D | 1.0 | 63–66% | Very Poor |
| D- | 0.7 | 60–62% | Barely Passing |
| F | 0.0 | Below 60% | Failing |
GPA Scale Reference
Use this reference table to understand what different GPA values mean:
| GPA Range | Letter | Academic Standing |
|---|---|---|
| 4.0 | A | Summa Cum Laude (top honors) |
| 3.9–3.7 | A- | Magna Cum Laude |
| 3.6–3.5 | B+ | Cum Laude / Dean's List (most schools) |
| 3.4–3.0 | B | Good Academic Standing |
| 2.9–2.7 | B- | Satisfactory |
| 2.6–2.0 | C | Minimum for most majors |
| 1.9–1.0 | D | Academic Warning |
| Below 1.0 | F | Academic Probation |
How Cumulative GPA Is Calculated
Cumulative GPA is not a simple average of your semester GPAs — it is a weighted average based on credit hours. The formula is:
New Cumulative GPA = (Previous Grade Points + New Semester Grade Points) ÷ (Previous Credit Hours + New Semester Credit Hours)
Where Previous Grade Points = Previous Cumulative GPA × Previous Credit Hours.
This means that a semester with more credit hours has a bigger impact on your cumulative GPA than a semester with fewer credits. Retaking a course for a higher grade also has the most impact when the course carries more credit hours.
GPA Tips for College Students
- Front-load hard courses — Early low grades have more time to be offset by later strong performance.
- Prioritize high-credit courses — A higher grade in a 4-credit course moves your GPA more than the same grade in a 1-credit course.
- Use your calculator early — Run what-if scenarios before finals to know exactly what grade you need to reach your GPA target.
- Grade replacement policies — Some schools allow grade forgiveness or replacement when retaking a course. Check your school's policy, as it affects how GPA is calculated.
- Pass/Fail courses — These typically do not affect GPA but do count toward credit hours. Use them strategically.
More Q&A lives in the Frequently Asked Questions section below (matches FAQPage structured data).