Calculate your semester or cumulative GPA across multiple grading scales. Add your courses, enter credit hours and grades, and get instant results with personalized improvement suggestions.
Calculate your Grade Point Average with multiple scaling systems
Standard 4.0 scale used by most US universities
Weighted 4.0 scale with A+ = 4.3
5.0 scale used by some institutions
Enter course information to calculate your GPA
Your Grade Point Average (GPA) is a standardized numerical representation of your academic performance. It is calculated by dividing the total grade points you earn by the total number of credit hours you attempt. Each letter grade corresponds to a numeric value on the grading scale, and that value is multiplied by the credit hours of the course to produce the grade points for that course.
GPA = Σ(Grade Points × Credit Hours) / Σ(Credit Hours)
For each course, multiply the grade points by the credit hours. Sum all products, then divide by the total credit hours. For example, an A (4.0) in a 3-credit course contributes 12 grade points to the numerator and 3 to the denominator.
A = 4.0 | B = 3.0 | C = 2.0 | D = 1.0 | F = 0.0
The most widely used scale in U.S. colleges and universities. Each letter grade maps to a fixed numeric value. Plus and minus modifiers add or subtract 0.3 (e.g., B+ = 3.3, B- = 2.7), except that A+ remains 4.0 at most schools.
AP/IB: A = 5.0 | Honors: A = 4.5 or 5.0
Many high schools use a weighted scale to reward students for advanced coursework. AP, IB, and honors classes receive an extra 0.5 to 1.0 grade points. This means a weighted GPA can exceed 4.0, reflecting more rigorous course selections.
Semester = one term | Cumulative = all terms combined
A semester GPA only includes courses from a single term, while a cumulative GPA includes every course throughout your entire academic career. Colleges typically consider your cumulative GPA for admissions, honors, and graduation requirements.
Understanding how letter grades translate to grade points is essential for accurate GPA calculation. Below is a comprehensive reference for the standard 4.0 scale used at most U.S. institutions, along with notes on weighted scales for advanced courses.
A+4.0
A4.0
A-3.7
Typically corresponds to 90-100%. Most schools cap A+ at 4.0.
B+3.3
B3.0
B-2.7
Typically corresponds to 80-89%. Solid academic performance.
C+2.3
C2.0
C-1.7
Typically corresponds to 70-79%. Meets minimum requirements at most schools.
D+1.3
D1.0
D-0.7
Typically corresponds to 60-69%. May not count toward major requirements.
F0.0
Below 60%. No credit awarded. The credit hours still count in the GPA denominator, lowering your average.
AP/IB A5.0
AP/IB B4.0
Honors A4.5-5.0
Weighted scales add 0.5-1.0 points for advanced courses. Policies vary by school district.
Your GPA is one of the most important metrics in your academic career. It affects everything from college admissions to career opportunities. Understanding its significance helps you set meaningful academic goals and make informed decisions about your coursework.
GPA is calculated by dividing the total number of grade points earned by the total number of credit hours attempted. For each course, multiply the grade points (e.g., A = 4.0, B = 3.0) by the number of credit hours. Sum all these products to get total grade points, then divide by total credit hours. For example, if you earned an A (4.0) in a 3-credit course and a B (3.0) in a 4-credit course, your GPA would be (4.0 x 3 + 3.0 x 4) / (3 + 4) = 24 / 7 = 3.43.
A good GPA depends on the selectivity of the college. For highly selective institutions (Ivy League, Stanford, MIT), a GPA of 3.9 or above on a 4.0 scale is typically expected. Competitive universities generally look for 3.5-3.8, while many state universities accept students with a 3.0 or above. A weighted GPA above 4.0 (from AP or honors courses) can further strengthen an application. Keep in mind that admissions consider GPA alongside test scores, extracurriculars, and essays.
An unweighted GPA uses a standard 4.0 scale where an A is always 4.0, regardless of course difficulty. A weighted GPA gives extra points for advanced courses: AP and IB classes typically use a 5.0 scale (A = 5.0), and honors courses use a 4.5 or 5.0 scale, depending on the school. For example, an A in an AP class would be 5.0 on a weighted scale but 4.0 on an unweighted scale. Weighted GPAs reward students for taking more challenging coursework.
Cumulative GPA includes all courses across all semesters or terms. To calculate it, list every course you have taken, with each course's credit hours and grade points. Multiply grade points by credit hours for each course, sum all the products, and divide by the total credit hours. Our calculator makes this easy: simply add all your courses from every semester, enter the credits and grades, and the tool computes your cumulative GPA automatically.
How much you can raise your GPA in one semester depends on how many credits you have already completed. Early in your academic career, a single strong semester can make a big difference. For example, if you have a 2.5 GPA after 30 credits and earn a 4.0 over 15 new credits, your cumulative GPA rises to about 3.0. However, after 90 credits, those same 15 credits of straight A's would only raise a 2.5 to roughly 2.64. The key is that the more credits you have accumulated, the harder it is to move your cumulative GPA.
Plus and minus grades adjust your grade points in increments of 0.3 on the standard 4.0 scale. An A is 4.0, an A- is 3.7, a B+ is 3.3, a B is 3.0, a B- is 2.7, and so on. Note that at most institutions an A+ is still 4.0 (not 4.3), so there is no GPA benefit above a standard A. These modifiers can meaningfully affect your GPA over time. For instance, earning all B+ grades (3.3) instead of B grades (3.0) results in a cumulative difference of 0.3 grade points.
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