GPA Calculator
Add your courses with their grades and credit hours. The GPA updates as you type, and you can add a previous GPA to get a cumulative figure.
Add a previous GPA for a cumulative result
- Credits
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- Grade points
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- Cumulative
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How GPA is calculated
GPA is the credit-weighted average of your grade points, not a plain average of your grades. Multiply each course's grade point value by its credit hours, add those products together, then divide by total credit hours. This is why a B in a four-credit course pulls harder than an A in a one-credit course: an A (4.0) in 1 credit and a C (2.0) in 4 credits gives (4 + 8) ÷ 5 = 2.40, not the 3.00 a simple average would suggest.
The 4.0 grade point scale
| Letter | Points | Typical percentage |
|---|---|---|
| A | 4.0 | 93–100% |
| A− | 3.7 | 90–92% |
| B+ | 3.3 | 87–89% |
| B | 3.0 | 83–86% |
| B− | 2.7 | 80–82% |
| C+ | 2.3 | 77–79% |
| C | 2.0 | 73–76% |
| C− | 1.7 | 70–72% |
| D | 1.0 | 63–66% |
| F | 0.0 | Below 60% |
Percentage bands vary between institutions, and some schools award a straight 4.0 for A+ while others give 4.3. Check your registrar's published scale — this calculator uses the most common version.
Weighted versus unweighted GPA
An unweighted GPA caps every course at 4.0 regardless of difficulty. A weighted GPA adds bonus points for harder courses, typically +1.0 for AP or IB and +0.5 for honours, which is how a GPA above 4.0 becomes possible.
To calculate a weighted GPA here, enter the boosted grade: an A in an AP class counts as 5.0, so choose the grade that reflects your school's weighting and check the resulting points.
Worth knowing: many universities recalculate applicants' GPAs themselves using their own scale, often stripping out non-academic courses and applying their own weighting. The number on your transcript is not always the number an admissions office uses.
How to use the GPA Calculator
- Enter each course, its letter grade, and how many credit hours it carries.
- Add or remove rows to match your schedule.
- To get a cumulative GPA, open the section below and enter your existing GPA and credits earned.
Frequently asked questions
What is a good GPA?
Context decides it. Above 3.5 is generally considered strong, 3.0 is solid, and many graduate programmes and scholarships set 3.0 as a minimum. Course difficulty and institution matter as much as the number.
How do I calculate a cumulative GPA?
Enter this term’s courses, then open the section below and add your previous GPA and the credits it covers. The tool combines them by weighting each by its credit hours.
Do pass/fail courses count?
Usually not toward GPA, though they do count toward credits earned. Leave them out of this calculator, or set their credit hours to zero.
Can my GPA go above 4.0?
Only on a weighted scale, where AP, IB or honours courses receive bonus points. On an unweighted 4.0 scale, 4.0 is the maximum.
How much can one bad grade hurt?
It depends entirely on how many credits you have already earned. Early on a single grade moves the average a lot; after 90 credits its effect is small. Enter your existing GPA and credits above to see the exact impact.
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Last reviewed September 4, 2026. Results are estimates for general information only.