Calculate your semester GPA and cumulative GPA by entering your courses, grades, and credit hours.
Course NameGradeCredits
Cumulative GPA (Optional)
Results
About GPA Calculator — GPA Calculator Online
Enter your courses, letter grades, and credit hours and this GPA calculator instantly computes your weighted semester GPA on the standard 4.0 scale. It also handles cumulative GPA — just plug in your existing GPA and total credits to see how this semester moves your overall standing.
Students use it to check Dean's List eligibility, track scholarship thresholds, model what grades they need to hit a target GPA, or figure out how much damage a bad semester actually did. Graduate school applicants find it especially useful — knowing your exact cumulative GPA well before applications are due gives you time to do something about it.
How to Use the GPA Calculator
Enter a Course Name in the first column for each class (optional — it's for your own reference and does not affect the calculation).
Select the Grade you received from the dropdown menu. Grades range from A (4.0) down to F (0.0) including plus and minus variants.
Enter the Credit Hours for that course — most lecture courses are 3 credits; labs and seminars may be 1–2 credits.
Click + Add Course to add rows for each additional class in your semester.
Optionally, enter your Previous Cumulative GPA and Previous Total Credits in the Cumulative GPA section to see how this semester affects your overall GPA.
Click Calculate GPA to see your semester GPA, total quality points, and cumulative GPA side by side.
Grading Scale and Calculation Method
This GPA calculator uses the standard 4.0 scale found at most US colleges and universities. Each letter grade maps to a point value, and your GPA is the weighted average of those points across all credit hours.
A / A− grades (4.0 / 3.7): Excellent performance. An A in a 4-credit course contributes 16 quality points — the maximum possible for that course.
B+ / B / B− grades (3.3 / 3.0 / 2.7): Good to above-average performance. Most students aiming for graduate school target a B+ average or better.
C+ / C / C− grades (2.3 / 2.0 / 1.7): Satisfactory performance. Many programs require a minimum 2.0 (C) GPA to remain in good standing.
D+ / D grades (1.3 / 1.0): Below average but passing. Some programs don't count D grades toward major requirements even if they count toward overall GPA.
F grade (0.0): Failing. Contributes zero quality points but still counts as attempted credits, dragging down your GPA.
Tips for Getting the Best Results
Double-check your credit hours: A standard lecture is usually 3 credits, but lab sections, seminars, and PE courses may be 1 or 2. Using the wrong credit count will skew your GPA. Check your course registration or syllabus to confirm.
Include failed courses: If you failed a class, include it with F and its credit hours. Leaving it out gives you an inflated estimate that won't match your official transcript.
Use the cumulative section to model your recovery: Enter your existing GPA and credit total to see how this semester actually moves the needle. Students digging out of a rough prior semester are often surprised — in either direction — by what the math shows.
Run what-if scenarios: Not sure if dropping to a B in one course matters? Change the grade dropdown and recalculate. Do it before finals, not after.
Match your institution's scale: Most US universities use the 4.0 scale here, but some use different plus/minus cutoffs or a flat A=4, B=3 scale. If your official GPA differs, check your school's published grading policy.
Why Use a GPA Calculator Online
GPA math isn't hard, but it gets tedious fast — multiply grade points by credits for every course, sum the totals, divide, then redo it all for the cumulative calculation. With five or more courses and plus/minus grades in the mix, it's easy to make an error. This calculator does all of it instantly with no arithmetic risk, no installation, and nothing sent to a server.
The best time to check your GPA is at the start of finals season — while there's still time to do something about it. Seeing exactly where you stand, and running a few grade scenarios, helps you decide where to focus your remaining study time.
Frequently Asked Questions about the GPA Calculator
A 3.0 (B average) is generally considered good at most universities. A 3.5 or higher is excellent and typically qualifies for Dean's List. Many competitive graduate programs and scholarships look for a 3.5 or above. A 4.0 is a perfect GPA — straight A's across every credit hour.
The standard 4.0 scale: A=4.0, A−=3.7, B+=3.3, B=3.0, B−=2.7, C+=2.3, C=2.0, C−=1.7, D+=1.3, D=1.0, F=0.0. This matches most US colleges and universities. If your institution uses a different scale — like no plus/minus grades, or different cutoff values — your official GPA may differ slightly from this estimate.
It's calculated as: (Previous GPA × Previous Credits + Current Semester Quality Points) ÷ (Previous Credits + Current Semester Credits). The more credits you've already completed, the slower your cumulative GPA moves — each new semester carries less weight against your full history. That's why digging out of early low grades takes so much longer than students expect.
Yes. The calculator includes A−, B+, B−, C+, C−, and D+ grades. The difference is real — a B+ (3.3) versus a B (3.0) in a 4-credit course is 1.2 quality points, which can shift your semester GPA noticeably when the rest of your grades are similar.
Yes, completely free. No sign-up, no subscription, no limit on courses or calculations. Open it, use it, close it.
No. All calculations run in your browser using JavaScript. Your course names, grades, and credit hours never leave your device. Nothing is transmitted or stored anywhere.
Yes. The calculator works on any modern smartphone or tablet browser. The dropdowns and number inputs are touch-friendly, so it's easy to use between classes or while waiting for exam results to post.
Some schools use a 4.3 or 5.0 scale, or assign different values to plus/minus grades. This calculator uses the most common US 4.0 scale. If your institution differs, treat this as a close approximation and verify the authoritative figure with your registrar's office or official transcript.