GPA Calculator
The GPA Calculator works out your grade point average on the standard U.S. 4.0 scale. Add each course with its letter grade and credit hours and it computes your credit-weighted GPA, total credits, and quality points — saved privately in your browser. Because credit hours act as multipliers rather than simple weights, a failing grade in a 4-credit course drags the average down twice as hard as the same F in a 2-credit course — course load matters as much as the letter grade itself. The scale caps at 4.0, so an A+ earns the same 4.0 quality points as a plain A; there's no bonus for exceeding an A. This calculator computes only the standard unweighted scale — many high schools add an extra point for honors, AP, or IB courses to produce a weighted GPA (often up to 5.0), which this tool does not replicate.
Your GPA
3.63
Cum laude / Dean’s list range
Uses the standard U.S. 4.0 scale (A/A+ = 4.0, A− = 3.7, B+ = 3.3, and so on). Your courses are saved privately in this browser.
How This Tool Works
Add a row for each course, pick its letter grade, and enter how many credit hours it is worth. Your GPA updates instantly as a credit-weighted average, and your list is saved in your browser for next time.
Formula & Method
GPA = total quality points ÷ total credit hours. Each course earns quality points equal to its grade value on the 4.0 scale (A = 4.0, A− = 3.7, B+ = 3.3, B = 3.0, and so on) multiplied by its credit hours.
Example Calculation
Four courses: A− in a 3-credit class (3.7 × 3 = 11.1 quality points), B in a 3-credit class (3.0 × 3 = 9.0), B+ in a 4-credit class (3.3 × 4 = 13.2), and C+ in a 2-credit class (2.3 × 2 = 4.6). Total quality points: 11.1 + 9.0 + 13.2 + 4.6 = 37.9. Total credits: 3 + 3 + 4 + 2 = 12. GPA = 37.9 ÷ 12 = 3.16, which the tool labels "Solid — B average."
About the GPA Calculator
Grade point average compresses a stack of letter grades into one number that schools, scholarship committees, and employers can compare at a glance. On the standard U.S. 4.0 scale each letter grade maps to a fixed number of grade points: A and A+ are 4.0, A- is 3.7, B+ is 3.3, B is 3.0, B- is 2.7, C+ is 2.3, C is 2.0, C- is 1.7, D+ is 1.3, D is 1.0, D- is 0.7, and F is 0.0. This calculator applies exactly that table. You list your courses with a grade and a credit value, and it returns your GPA, your total credits, and your total quality points.
The part people most often get wrong is that GPA is a weighted average, not a plain one. Each course contributes its grade points multiplied by its credits, and the sum of those products, called quality points, is divided by the sum of all credits. A B in a four-credit lab therefore moves your GPA more than an A in a one-credit seminar. Credits can be decimals such as 1.5 or 0.5, which is useful for half-semester or quarter-system courses, and a course with a blank or non-numeric credit value is simply ignored.
Students use it to see where they stand after finals, to test what a bad grade would cost, and to check a transcript before applying for scholarships, honors programs, or transfer admission. Your course list is stored only in your own browser, so it is still there next time you visit, and nothing is uploaded. Keep in mind that this is the unweighted scale: honors, AP, and IB bonus points, and school-specific rules for repeated courses or plus and minus grades, are not modeled.
When to Use It
Checking the semester after finals
A sophomore enters every course from the term with its final letter grade and credit value to see the semester GPA before the registrar posts it. Comparing the result with the school's dean's list cutoff, which the student looks up separately, shows whether a borderline grade in one large course made the difference.
Testing a what-if before dropping or retaking
Someone considering a retake or a withdrawal adds the course with its current grade, notes the GPA, then changes the grade or removes the row. Seeing the exact difference helps decide whether the extra tuition and hours are worth it, particularly when a high-credit course is the one dragging the average down.
Meeting a scholarship minimum
A scholarship may require a 3.0 each year. A student lists the planned fall and spring courses with realistic target grades to see how much room exists for a B- or C+. If the projection lands close to the line, they know which courses to prioritize, and whether to talk to an advisor early.
Assembling a GPA for applications
A transfer or graduate applicant copies courses from a transcript into the list, one row per course, to confirm the cumulative number against what the application portal asks for. The calculator is also handy for isolating a major-only GPA by entering just the courses that belong to the program.
How to Use It, Step by Step
- Open the list and look at the three example rows. They are only a starting point, so overwrite them with your own courses or remove them with the small X button at the end of each row.
- Type the title into the 'Course name' box. The name is only a label to help you recognize the row, and it has no effect on the math, so leave it short or even blank.
- Choose the letter grade in the 'Grade' dropdown. It lists A+, A, A-, B+, B, B-, C+, C, C-, D+, D, D-, and F. If your school reports numeric percentages, convert them to letters using your syllabus first.
- Enter the course's weight in the 'Credits' box. You will find it on your transcript, degree audit, or registration page, and decimals like 1.5 are accepted.
- Click '+ Add course' to append another row, which starts at an A grade and 3 credits. Repeat until every course you want included is listed.
- Read the large 'Your GPA' figure and the label under it. Below that you will see 'total credits' and 'quality points', which let you verify the arithmetic by hand if you wish.
- Experiment by changing a grade or credit value; everything recalculates instantly. Use the 'Print' button to print or save the result panel as a PDF through your browser.
- Press 'Reset' to restore the three starter rows and clear the saved list from this browser when you want a clean slate for a different term or person.
Understanding Your Results
The big number is your credit-weighted GPA, shown to two decimal places and capped by the scale at 4.0. The two figures below it explain how it was built: total credits is the denominator, and quality points is the numerator. Dividing the second by the first by hand should reproduce the headline number, which is a good habit when you are entering a long list. Quality points display with one decimal, so a total like 41.6 is exact only to the nearest tenth.
The label under the GPA is a rough interpretation, not an official standing. It reads 'Summa cum laude range' at 3.9 and above, 'Magna cum laude range' from 3.7, 'Cum laude / Dean's list range' from 3.5, 'Solid - B average' from 3.0, 'Passing - C average' from 2.0, and 'Below a 2.0 - at academic risk' under that. Schools set their own honors cutoffs, many based on class rank rather than a fixed number, so treat the label as a quick orientation.
To sanity-check, remember that a GPA must fall between the lowest and highest grade points in your list. If every course is a B, the answer has to be exactly 3.00 regardless of credits. If the result looks too high or too low, look for a credit value typed in the wrong box, a grade left at the default A, or a course that should have been removed. Compare to your official transcript before relying on it for a decision.
More Worked Examples
A busy semester with mixed credit loads
Scenario: Five courses: Calculus I with a B+ for 4 credits, English Composition with an A- for 3, Intro Psychology with an A for 3, Chemistry Lab with a C+ for 1, and Weight Training with a B for 1.
The quality points are 3.3 x 4 = 13.2, 3.7 x 3 = 11.1, 4.0 x 3 = 12.0, 2.3 x 1 = 2.3, and 3.0 x 1 = 3.0, totaling 41.6. Total credits are 4 + 3 + 3 + 1 + 1 = 12. The GPA is 41.6 divided by 12 = 3.4667, which the tool shows as 3.47 with the label 'Solid - B average'. That is just under the 3.5 line where the label changes, which shows how a single grade in a small course can matter.
What one failing grade costs
Scenario: Four 3-credit courses all earn B+, then you add one F worth 4 credits. Afterward, compare that with an F worth only 1 credit.
Four B+ courses give 39.6 quality points over 12 credits, so the GPA is 3.30. Adding a 4-credit F adds zero quality points but 4 credits: 39.6 divided by 16 = 2.475, shown as 2.47, and the label drops to 'Passing - C average'. A 1-credit F instead gives 39.6 divided by 13 = 3.046, shown as 3.05. Same letter, but the credit value changes the damage dramatically, from 0.83 points lost to 0.25.
Reaching an honors label
Scenario: Five 3-credit courses earn A, A, A-, A-, and B+. You want to see whether the result clears the 3.7 and 3.5 thresholds used for the label.
Quality points are 12.0 + 12.0 + 11.1 + 11.1 + 9.9 = 56.1 over 15 credits. Dividing gives exactly 3.74, which the calculator labels 'Magna cum laude range'. Because all five courses weigh the same, this equals the simple average of 4.0, 4.0, 3.7, 3.7, and 3.3. Change the B+ to a B and the points drop to 55.2, the GPA to 3.68, which slips under 3.7 and into the 'Cum laude / Dean's list range' label.
Tips for Better Results
- To find the grade you need, rearrange the formula: required GPA on upcoming credits equals target GPA times total credits, minus current quality points, all divided by upcoming credits. Aiming for 3.4 over 60 credits from 144 points on 45 credits needs a perfect 4.0 over the final 15.
- Spend your effort where the credits are. A one-point improvement in a four-credit course is worth four times a one-point improvement in a one-credit course, so prioritize high-credit classes when time is tight.
- Remember that the more credits you have already banked, the harder it is to move your cumulative GPA. Early semesters offer the best chance to raise it, while late-stage recovery needs consistently strong grades across many credits.
- For a major GPA or a last-60-credits GPA, include only the courses that count toward that calculation. Some schools and graduate programs compute these separately from the overall figure, so check what your target reader uses.
- If your school gives an A+ more than 4.0, or treats every A as exactly 4.0 with no minus grades, results here may differ. This tool fixes A+ at 4.0 and A- at 3.7, so compare against your registrar's published table before relying on it.
- Keep a screenshot or printout of each term's list. Because the tool stores data in this browser only, clearing site data or switching devices will remove it, and a record makes it easy to rebuild a cumulative list.
Common Mistakes to Avoid
- Averaging the grade points without weighting by credits. A plain average treats a one-credit seminar like a five-credit science course and usually gives the wrong answer, so always enter credits.
- Leaving rows at the default A grade or 3 credits. New rows start at A and 3 credits, so overwrite both values before trusting the total.
- Including pass/fail, audit, or withdrawn courses. Those typically do not carry grade points at your school, so omit them rather than entering a made-up letter that distorts the average.
- Assuming the result matches an AP-weighted school GPA. This is the plain 4.0 scale only, so an A in an AP class still counts 4.0 here even if your school awards 5.0.
- Forgetting repeated-course rules. Some colleges replace the old grade when a course is retaken, and others average both attempts, so remove or keep the original row to match your registrar's policy.
Assumptions and Limits
- The calculator uses one fixed table (A and A+ at 4.0, with a 0.3 step for each plus or minus) and nothing else. Schools that use different plus and minus values, or that give A+ 4.3, will not match exactly.
- The GPA is computed with ordinary decimal arithmetic and displayed rounded to two places. Your institution may truncate rather than round, or round at different stages, which can change the last digit.
- Standing labels are generic approximations. Official honors, probation, and eligibility rules are defined by each school, scholarship, and program, so confirm the real cutoff with your registrar or advisor before making decisions.
- Saved data lives in your browser's local storage. It is private, but it can be cleared by your browser settings and does not sync between devices.
Key Terms
- Quality points
- The grade points for a course multiplied by its credit hours. Adding the quality points for all courses and dividing by total credits produces the GPA.
- Credit hours
- The weight a course carries toward a degree, often tied to weekly class time. Credit hours are what make some courses count more heavily than others in a GPA.
- Unweighted GPA
- A GPA in which every A is worth the same grade points no matter how advanced the course is, with a maximum of 4.0 on the standard scale.
- Weighted GPA
- A GPA that adds bonus points for honors, AP, or IB classes, so the maximum can reach 5.0 or more depending on the school's policy.
- Cumulative GPA
- The credit-weighted average across every graded course you have taken at an institution, as opposed to the GPA for just one semester.
- Dean's list
- An academic honor awarded by many colleges for a strong term GPA. Cutoffs and credit requirements differ between schools, so check your institution's rule.
Frequently Asked Questions
What grade scale does this use?+
The standard unweighted U.S. 4.0 scale: A and A+ = 4.0, A− = 3.7, B+ = 3.3, B = 3.0, B− = 2.7, and so on down to F = 0.0. Your school may weight honors or AP courses differently.
How is GPA actually calculated?+
It is a credit-weighted average, not a simple average. Each course grade is multiplied by its credit hours to get quality points; GPA is the total quality points divided by the total credit hours.
Can I calculate both semester and cumulative GPA?+
Yes. Add just this semester's courses for your semester GPA, or add every course you have taken for your cumulative GPA.
Is my course data private?+
Yes — your courses are saved only in your own browser using local storage, never uploaded to a server, and no account is required.
Does this add extra points for AP, IB, or honors classes (a weighted GPA)?+
No — this calculator only computes the standard unweighted 4.0 scale, where an A is worth 4.0 regardless of course difficulty. Many high schools weight advanced courses by adding an extra point (so an A in an AP class counts as 5.0), which this tool does not do — check with your school's registrar for their specific weighting policy if you need a weighted GPA.
How much does one bad grade actually hurt my GPA?+
It depends on that course's credit hours relative to your total credits. A failing grade in a 4-credit class pulls your GPA down more than the same grade in a 1-credit class, and the more total credits you've already built up, the smaller the impact of any single new course — it gets diluted across a larger denominator.
Is a 3.5 GPA good?+
On the unweighted 4.0 scale a 3.5 corresponds roughly to a solid mix of A and B+ grades, and it clears the requirements for many scholarships, honors programs, and graduate admissions. Whether it is competitive depends on the program, since some selective fields expect 3.7 or higher while others care more about test scores, experience, or recommendations. Compare against the stated range for the specific place you are targeting.
How do I calculate GPA when courses have different credits?+
Multiply each course's grade points by its credits, add those products together, and divide by the total number of credits. For example, an A in 4 credits and a C in 2 credits give 16 plus 4 divided by 6, or 3.33, not the 3.00 you would get by averaging 4.0 and 2.0. Enter the real credit value for each row and the tool does this automatically.
Do pass/fail or withdrawn classes affect my GPA?+
At most schools a pass or satisfactory mark earns credit toward graduation but carries no grade points and is excluded from the GPA, and a withdrawal is recorded as a W with no effect. Policies differ, especially for failing a pass/fail course, so confirm with your registrar. In this tool the simplest approach is to leave those courses out of the list entirely.
What GPA do I need to graduate or avoid probation?+
Many undergraduate programs require a cumulative 2.0 to graduate and place students on academic probation when they fall below it, but the exact numbers vary by school, program, and sometimes major. Graduate programs often require a 3.0. Look in your student handbook for the precise rule and for how many terms you have to recover, because those details are specific to your institution.
Can I use this to convert a percentage grade to a GPA?+
Not directly, because the tool works from letter grades. You first need to convert each percentage using the scale in your syllabus or your school's published table, since cutoffs differ: one course may award an A at 90 percent and another at 93. Once you have the letter, enter it along with the credits and the calculation proceeds as usual.
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