GPA Calculator
Add your courses, grades, and credit hours to calculate your grade point average.
How is GPA calculated?
Your Grade Point Average (GPA) is calculated by converting each letter grade to a numeric "quality point" value (A = 4.0, B = 3.0, C = 2.0, and so on), multiplying that value by the number of credit hours for the course, and adding those totals together across all your classes. That sum of quality points is then divided by your total credit hours to produce your overall GPA on a standard 4.0 scale. A 4-credit course with an A contributes more quality points than a 3-credit course with an A, which is why credit-weighted GPA gives a more accurate picture than simply averaging letter grades.
Why does GPA matter?
GPA is one of the most widely used measures of academic performance in the United States, used by colleges for admissions decisions, by scholarship committees to determine eligibility, and by employers and graduate programs when reviewing transcripts. Many scholarships and academic honors require maintaining a minimum GPA threshold, such as 3.0 or 3.5, and falling below certain GPA levels can trigger academic probation at many institutions. Because GPA follows you across semesters, understanding how new grades will affect your cumulative average helps you plan which classes to prioritize.
Semester GPA vs. cumulative GPA
This calculator computes GPA for whatever courses you enter, whether that's a single semester or your entire academic career. To find your cumulative GPA, include every course you've taken with its original credit hours and grade; to find just your semester GPA, only include the current term's courses. Keep in mind that some schools weight repeated courses differently or exclude pass/fail classes from GPA calculations, so always check your registrar's specific policy for official purposes.
Frequently Asked Questions
How do I calculate my GPA by hand?
Convert each letter grade to its quality point value (A = 4.0, B = 3.0, etc.), multiply by the course's credit hours, add up all the quality points, then divide by the total credit hours. This calculator automates that process — just add each course, its grade, and credit hours above.
What is a good GPA?
A 3.0 GPA or higher is generally considered good at most colleges, while 3.5 and above is considered excellent and often qualifies for dean's list or honors recognition. Competitive graduate programs and scholarships frequently look for GPAs of 3.5 or higher, though requirements vary widely by school and field of study.
What's the difference between weighted and unweighted GPA?
Unweighted GPA uses a standard 4.0 scale regardless of course difficulty, while weighted GPA gives extra points for honors, AP, or IB classes, sometimes allowing a GPA above 4.0. This calculator uses the standard unweighted 4.0 scale, which is the most common format used by colleges nationwide.
How do credit hours affect my GPA?
Courses with more credit hours carry more weight in your overall GPA calculation. A 4-credit class with an A contributes more quality points than a 1-credit class with an A, which is why GPA is calculated using total quality points divided by total credit hours rather than a simple average of your grades.
How do I calculate my cumulative GPA across multiple semesters?
Enter every course you've taken across all semesters, along with each course's original grade and credit hours, into the calculator above. The cumulative GPA formula is the same as a single-semester GPA — it just includes a larger set of courses spanning your entire academic history.
Do plus and minus grades affect GPA differently?
Yes, most colleges use a plus/minus scale where A- equals 3.7, B+ equals 3.3, and so on, rather than treating all A's or B's identically. This calculator includes the full plus/minus scale so your GPA reflects these smaller distinctions accurately.
How can I raise my GPA?
Because GPA is credit-weighted, taking additional credit hours with strong grades has more impact than a single course, while retaking a class you previously failed can significantly boost your average if your school allows grade replacement. Use this calculator to test different "what if" scenarios by adjusting grades and credit hours for upcoming courses.
Does this GPA calculator work for high school and college?
Yes, the standard 4.0 scale used here applies to both high school and college GPA calculations. Some high schools use weighted scales that go above 4.0 for honors or AP courses, so check with your school counselor if you need a weighted GPA specifically.