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What is a GPA
GPA stands for Grade Point Average. It is a single number that summarizes your academic performance across all your courses. In the United States most schools use a 4.0 scale where 4.0 is the highest possible GPA and 0.0 is the lowest.
Your GPA is not a simple average of your grades. It is a weighted average based on credit hours, meaning courses worth more credits have a bigger impact on your GPA than courses worth fewer credits.
There are two main types of GPA you will encounter. Your semester GPA reflects only the courses from one semester. Your cumulative GPA reflects all your coursework across every semester you have completed. Cumulative GPA is what shows up on your official transcript.
The 4.0 grade scale
Every letter grade maps to a point value on the 4.0 scale. This conversion is standard across most US colleges and universities.
| Letter Grade | Grade Points | Percentage Range |
|---|---|---|
| A+ | 4.0 | 97 to 100 |
| A | 4.0 | 93 to 96 |
| A− | 3.7 | 90 to 92 |
| B+ | 3.3 | 87 to 89 |
| B | 3.0 | 83 to 86 |
| B− | 2.7 | 80 to 82 |
| C+ | 2.3 | 77 to 79 |
| C | 2.0 | 73 to 76 |
| C− | 1.7 | 70 to 72 |
| D+ | 1.3 | 67 to 69 |
| D | 1.0 | 60 to 66 |
| F | 0.0 | Below 60 |
Note on A−: Most US colleges use 3.7 for A−. Some institutions use 3.667. When in doubt check your school's grading policy or use 3.7 as the default.
How to calculate semester GPA
Calculating your semester GPA takes three steps. You need your list of courses, the credit hours for each course, and the letter grade you earned or expect to earn.
1 Convert each letter grade to grade points
Using the table above, replace each letter grade with its point value. An A becomes 4.0, a B+ becomes 3.3, and so on.
2 Calculate quality points for each course
Multiply the grade points for each course by the number of credit hours that course is worth. This gives you the quality points for that course.
3 Divide total quality points by total credit hours
Add up all quality points across all your courses. Then divide by the total number of credit hours. That is your semester GPA.
Worked example
Say you took four courses this semester:
| Course | Credits | Grade | Grade Points | Quality Points |
|---|---|---|---|---|
| English 101 | 3 | A | 4.0 | 12.0 |
| Math 201 | 4 | B+ | 3.3 | 13.2 |
| History 110 | 3 | B | 3.0 | 9.0 |
| Biology 101 | 4 | A− | 3.7 | 14.8 |
| Total | 14 | 49.0 |
Skip the math. Enter your courses and get your GPA instantly.
How to calculate cumulative GPA
Your cumulative GPA combines all the courses you have ever taken across every semester. You cannot simply average your semester GPAs together because semesters with more credit hours carry more weight.
The formula works the same way as semester GPA but uses your total quality points and total credit hours from your entire academic history.
How to find your existing quality points
You do not need to recalculate every semester from scratch. If you already know your current cumulative GPA and total credit hours, you can multiply them together to get your existing quality points.
Then add your new semester quality points to that number and divide by your new total credit hours.
Worked example
You have completed 45 credit hours with a cumulative GPA of 3.2. This semester you earned 49.0 quality points across 14 credits as in the example above.
Existing quality points: 3.2 × 45 = 144.0
New total quality points: 144.0 + 49.0 = 193.0
New total credit hours: 45 + 14 = 59
Why does my GPA barely move? The more credits you have completed, the harder it is to shift your cumulative GPA. This is completely normal and just how weighted averages work. A freshman can move their GPA dramatically in one semester. A senior needs several strong semesters to make a meaningful difference.
Combine your existing GPA with your new semester results instantly.
How to calculate weighted GPA
A weighted GPA gives extra credit to more challenging courses like AP, IB and Honors classes. This allows students who take harder courses to have a GPA that can exceed 4.0 on a weighted scale.
Standard bonus points by course type
| Course Type | Bonus Added | A Grade Worth |
|---|---|---|
| Standard | +0.0 | 4.0 |
| Honors | +0.5 | 4.5 |
| AP | +1.0 | 5.0 |
| IB | +1.0 | 5.0 |
| Dual Enrollment | +0.5 | 4.5 |
The calculation method is identical to regular GPA. You simply add the bonus to the base grade point value before multiplying by credit hours.
Then multiply weighted grade points by credit hours to get quality points, and divide total quality points by total credit hours as normal.
Unweighted vs weighted: Colleges look at both. Your unweighted GPA shows raw academic performance. Your weighted GPA shows that you challenged yourself with harder coursework. Neither is more important on its own.
Calculate your weighted GPA with AP, IB, Honors and Dual Enrollment courses.
What is a good GPA
What counts as a good GPA depends on your goals. Here is a general guide for US college students:
| GPA Range | What it means |
|---|---|
| 3.7 to 4.0 | Excellent. Qualifies for summa cum laude honors at most schools. |
| 3.5 to 3.69 | Strong. Qualifies for magna cum laude and most graduate programs. |
| 3.0 to 3.49 | Good. Meets minimum requirements for most scholarships and graduate programs. |
| 2.5 to 2.99 | Average. Meets most graduation requirements but may limit options. |
| 2.0 to 2.49 | Below average. Minimum for most schools to remain in good standing. |
| Below 2.0 | At risk. May result in academic probation at most institutions. |
For employers, a 3.0 is a common minimum cutoff for listing GPA on your resume. In competitive fields like finance, consulting and engineering, a 3.5 or above is preferred. If your GPA is below 3.0, most career advisors recommend leaving it off your resume entirely and focusing on experience instead.
How to raise your GPA
Take more credit hours per semester
The more credits you take, the more opportunity you have to add quality points. A strong semester with 18 credits will move your GPA further than the same grades across 12 credits.
Focus on high credit courses first
A 4 credit course has twice the impact on your GPA as a 2 credit course. Prioritize performing well in courses worth more credit hours since they contribute more quality points per grade.
Use your school's grade forgiveness policy
Many US colleges allow students to retake a course and have the new grade replace the old one in the GPA calculation. This is one of the fastest ways to raise a low GPA. Check your registrar's office about your school's specific grade forgiveness or course repeat policy.
Know exactly what you need
Use the Required GPA Calculator to see the exact GPA you need to average over your remaining semesters to hit your target. This keeps your goal concrete rather than abstract.
Reality check: If you are a junior or senior with many credits completed, you cannot dramatically raise your cumulative GPA in one semester no matter how well you do. Focus on realistic goals and use the Required GPA Calculator to see what is actually achievable.
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