GPA Calculator — Semester & Cumulative GPA
Enter your courses, grades, and credit hours to calculate your semester GPA. Add your existing cumulative GPA to see your updated overall GPA. Supports letter grades with plus/minus.
🎓 Calculate Your GPA
Cumulative GPA (optional)
How GPA is Calculated
GPA (Grade Point Average) is a weighted average of your course grades, where each grade's weight is the number of credit hours the course carries. A 3-credit class counts for more than a 1-credit class — which makes sense, since you spend three times as much time in it.
The formula: multiply each course's grade points by its credit hours to get "quality points." Add up all quality points, divide by total credit hours. That's your GPA. So if I took Organic Chemistry (3 credits, got a C = 2.0) and English Lit (3 credits, got an A = 4.0), my GPA would be (6 + 12) ÷ 6 = 3.0 — the C dragged me down to a B average, exactly as you'd expect with equal credits.
The 4.0 Grade Scale
| Letter Grade | Grade Points | Description |
|---|---|---|
| A+ / A | 4.0 | Excellent |
| A– | 3.7 | Excellent |
| B+ | 3.3 | Good |
| B | 3.0 | Good |
| B– | 2.7 | Good |
| C+ | 2.3 | Satisfactory |
| C | 2.0 | Satisfactory |
| C– | 1.7 | Satisfactory |
| D+ | 1.3 | Poor |
| D | 1.0 | Poor |
| D– | 0.7 | Poor |
| F | 0.0 | Failing |
Note: this calculator uses the standard unweighted 4.0 scale. Weighted GPA (where AP or honors courses can earn 5.0 points) is not currently supported — if your school uses a weighted scale, the semester GPA shown here will be lower than your official weighted GPA. For unweighted calculations, this tool is accurate for most US colleges and universities. Some schools use a 4.3 scale where A+ = 4.3; this calculator caps A+ at 4.0.
What GPA Do You Actually Need?
Honestly, the "right" GPA depends entirely on what you're doing with it. When I was applying to grad school, my advisor told me that the GPA threshold is real but not what I thought — many top programs care more about your last 60 credits, your research experience, and your statement of purpose than your overall number. A 3.5 with strong research experience typically beats a 3.9 with nothing else going on.
For jobs, many large employers set a GPA screen at 3.0 or 3.5 for entry-level positions — especially investment banks, consulting firms, and tech companies. But most employers care more about internships, projects, and how you interview. GPA matters most in the first job search; after that, your work history takes over entirely.
How to Raise Your GPA
GPA recovery is a math problem with a simple but sobering reality: the more credits you've already taken, the harder it is to move the needle quickly. If you've completed 60 credits at a 2.8 GPA, you need to earn a 4.0 for 60 more credits just to bring your cumulative up to a 3.4. That's two full years of straight A's.
What actually works: take more credits per semester so each good semester has more weight; prioritise courses where you can realistically earn A's; check if your school has grade replacement policies for retaken courses; consider lighter loads during terms when you're overwhelmed, so you protect your GPA instead of tanking it. And use the cumulative section of this calculator to run "what if" scenarios — entering your hypothetical semester GPA and see exactly how it moves the needle.