GPA Calculator — Save My GPA
Add your courses, select grades, and calculate your weighted GPA on the 4.0, 4.3, 5.0, 10.0, or percentage scale. Free, instant, and built by He Loves Math.
Calculate Your GPA
What Is a GPA and Why Does It Matter?
A Grade Point Average (GPA) is a single number that summarises your academic performance across all courses by weighting each grade by its credit hours (or units). Colleges, graduate schools, scholarship committees, and employers use GPA as a standardised measure to compare applicants. In the United States, the most common system is the 4.0 scale, where an A equals 4.0 and an F equals 0.0. Other countries and some US high schools use different scales, which is why our calculator supports five of the most popular grading systems.
Your GPA is important for several reasons:
- College admissions: Most universities publish median GPA ranges. A higher GPA strengthens your application.
- Scholarships and financial aid: Many merit-based scholarships set minimum GPA thresholds (e.g., 3.5 or above).
- Graduate school: Competitive programmes often require a GPA of 3.0+ at minimum, with top programmes expecting 3.5+.
- Academic probation: Falling below a certain GPA (often 2.0) can trigger academic probation, limiting course enrolment and extracurricular participation.
- Job applications: Some employers in finance, consulting, and engineering ask for your GPA on entry-level applications.
The GPA Formula — Explained Mathematically
Your GPA is a weighted arithmetic mean of grade points, where the weights are the credit hours for each course. The general formula is:
Where:
- \(n\) = total number of courses
- \(g_i\) = grade points earned in course \(i\) (e.g., A = 4.0, B+ = 3.3)
- \(c_i\) = credit hours (units) for course \(i\)
The numerator is the sum of all quality points (grade points multiplied by credits), and the denominator is the total number of credits attempted. This is the same formula used by College Board, the NCAA, and virtually every registrar in the United States.
Example Calculation
Suppose you take four courses in a semester:
| Course | Grade | Grade Points (\(g_i\)) | Credits (\(c_i\)) | Quality Points (\(g_i \times c_i\)) |
|---|---|---|---|---|
| Calculus I | A | 4.0 | 4 | 16.0 |
| English Comp | B+ | 3.3 | 3 | 9.9 |
| Biology | A- | 3.7 | 4 | 14.8 |
| History | B | 3.0 | 3 | 9.0 |
A GPA of 3.55 places this student in the B+ to A- range — a strong result that meets most scholarship thresholds.
How to Use This GPA Calculator — Step by Step
- Select your GPA scale. Choose from the 4.0, 4.3, 5.0 (weighted), 10.0, or percentage scale using the dropdown at the top of the calculator.
- Add your courses. Click "+ Add Course" for each class you want to include. You can add as many courses as needed.
- Enter course details. For each course, type the course name (optional), select the letter grade you received, and enter the number of credit hours.
- Click "Calculate GPA." Your weighted GPA will appear instantly in the result box below the calculator.
- Adjust and recalculate. You can remove courses, change grades, or add new courses and recalculate as many times as you like.
Understanding Different GPA Scales
4.0 Scale (Standard US)
The most common scale in the United States. Grade points range from A = 4.0 to F = 0.0, with plus/minus modifiers adding or subtracting 0.3 (e.g., B+ = 3.3, B- = 2.7). Under this scale, A+ and A are both valued at 4.0.
4.3 Scale
Some colleges assign A+ = 4.3, allowing students who consistently earn A+ grades to exceed a 4.0 GPA. This scale is used by institutions such as York University, several Canadian universities, and some US colleges.
5.0 Scale (Weighted)
Used by many US high schools to reward students who take Advanced Placement (AP), International Baccalaureate (IB), or Honors courses. An A in a regular course is still 4.0, but an A in an AP course is worth 5.0. This weighted system helps colleges distinguish students who pursued a more rigorous curriculum.
where \(w = 1.0\) for AP/IB courses and \(w = 0.5\) for Honors courses.
10.0 Scale (International)
Popular in countries including India, Mexico, and parts of Europe. Grades range from 10 (Outstanding) to 0 (No Show). A score of 7 or above is generally considered good.
100-Point Scale (Percentage)
Grades are expressed as percentages (0–100%). This scale is common in India, the Philippines, and some US high schools. The calculator computes a weighted average percentage and also converts it to the 4.0 scale for comparison.
Grade-to-GPA Conversion Chart (4.0 Scale)
| Letter Grade | Percentage | GPA (4.0) |
|---|---|---|
| A+ / A | 93–100 / 90–92 | 4.0 |
| A- | 87–89 | 3.7 |
| B+ | 83–86 | 3.3 |
| B | 80–82 | 3.0 |
| B- | 77–79 | 2.7 |
| C+ | 73–76 | 2.3 |
| C | 70–72 | 2.0 |
| C- | 67–69 | 1.7 |
| D+ | 63–66 | 1.3 |
| D | 60–62 | 1.0 |
| F | Below 60 | 0.0 |
Cumulative GPA vs. Semester GPA
Your semester GPA covers only the courses taken in a single term, while your cumulative GPA spans your entire academic career. To calculate a cumulative GPA when you already know your previous cumulative GPA:
For instance, if your previous cumulative GPA was 3.2 over 60 credits and this semester you earned a 3.8 over 15 credits:
How to Raise Your GPA — Proven Strategies
- Prioritise high-credit courses. A better grade in a 4-credit course has twice the impact of the same improvement in a 2-credit course.
- Retake courses strategically. Many schools replace the old grade with the new one. Retaking a D or F can dramatically boost your GPA.
- Use office hours. Studies show that students who regularly attend office hours earn, on average, half a letter grade higher.
- Form or join a study group. Collaborative learning improves both understanding and retention.
- Plan your schedule wisely. Balance difficult courses with lighter ones each semester to maintain a consistently strong GPA.
Minimum GPA Requirements — Common Benchmarks
| Objective | Typical Minimum GPA |
|---|---|
| Good academic standing | 2.0 |
| Dean's List | 3.5 – 3.7 |
| Magna Cum Laude | 3.7 – 3.8 |
| Summa Cum Laude | 3.9 – 4.0 |
| Law school (T14) | 3.7+ |
| Medical school (average accepted) | 3.7+ |
| NCAA eligibility (Div. I) | 2.3+ |
| Merit scholarships | 3.0 – 3.5 |
Frequently Asked Questions (FAQs)
GPA is calculated as a weighted average: multiply each course's grade points by its credit hours, sum all quality points, then divide by total credits. The formula is \(\text{GPA} = \frac{\sum g_i \times c_i}{\sum c_i}\).
On the 4.0 scale, a GPA of 3.0 or above (B average) is generally considered good. A 3.5+ is strong, and a 3.7+ is excellent. "Good" depends on your goals — graduate schools and competitive scholarships typically expect 3.5+.
An unweighted GPA uses the standard 4.0 scale for all courses. A weighted GPA (often on a 5.0 scale) awards extra points for AP, IB, and Honors courses to reward students who pursue more challenging coursework.
Most colleges recalculate your GPA using their own system, but they consider both. The weighted GPA shows course rigor, while the unweighted GPA shows raw grade performance. Taking harder courses is viewed favourably even if your unweighted GPA is slightly lower.
Yes, but it takes time. The more credits you have already completed, the more new credits (with high grades) you need to move the average. Use the cumulative GPA formula: \(\text{New GPA} = \frac{(\text{Old GPA} \times \text{Old Credits}) + (\text{Target GPA}_{\text{semester}} \times \text{New Credits})}{\text{Old Credits + New Credits}}\).
Yes. On the standard 4.0 scale, a B+ is 3.3 while a B- is 2.7 — a difference of 0.6. Over many courses, plus/minus grades can shift your GPA significantly.
An F earns 0.0 grade points but the credits still count toward your total attempted credits, pulling your GPA down. If your school allows grade replacement, retaking the course and earning a higher grade will replace the F in your GPA calculation.
In most schools, Pass/Fail (or Credit/No Credit) courses are not included in GPA calculations. A "Pass" earns credit toward graduation but does not add quality points. A "Fail" may or may not affect your GPA depending on school policy.
Yes. A perfect 4.0 means you earned an A (or A+) in every course. It is achievable but requires consistent effort across all subjects and all semesters. On a weighted 5.0 scale, GPAs above 4.0 are common for students taking AP/IB classes.
Requirements vary by school, but most colleges set the Dean's List threshold at 3.5 to 3.7 for a given semester. You usually must also be a full-time student taking at least 12 credit hours.
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