Calculate your semester and cumulative GPA instantly. Free online GPA calculator for college and university students.
The GPA Calculator is a free online tool that calculates your Grade Point Average (GPA) from your course grades and credit hours. Whether you are tracking your current semester GPA, calculating your cumulative GPA, or planning what grades you need to reach a target GPA, this calculator gives you instant, accurate results. GPA is a critical metric for academic scholarships, graduate school admissions, and many graduate job applications — understanding and managing it proactively is essential for academic success.
Enter each course name (optional), the credit hours for that course, and the grade you received or expect.
Click 'Add Course' to include all courses in your semester or cumulative calculation.
Select whether you are calculating semester GPA or cumulative GPA.
For cumulative GPA, enter your existing GPA and total credit hours completed.
The calculator instantly displays your GPA on the 4.0 scale and the equivalent letter grade.
Use the 'What GPA do I need?' section to calculate required grades to reach a target GPA.
The 4.0 GPA scale is the standard in the United States and Canada. Letter grades correspond to grade points as follows: A/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. Some institutions use a weighted GPA scale that gives additional points for Advanced Placement (AP), International Baccalaureate (IB), or honours courses.
In the UK, universities use a different classification system: First Class Honours (70%+), Upper Second Class Honours / 2:1 (60–69%), Lower Second Class Honours / 2:2 (50–59%), Third Class Honours (40–49%), and Fail (below 40%). Many UK universities are now also providing GPA equivalents to facilitate international comparisons.
GPA is a weighted average — courses with more credit hours have a proportionally larger impact on your GPA. A 4-credit course in which you earn a B has more impact on your GPA than a 1-credit elective in which you earn an A. Understanding this weighting helps you prioritise which courses to focus on for maximum GPA impact.
Raising a low GPA requires a strategic approach, particularly if you are later in your academic career. The mathematical reality is that each new semester's grades have a smaller proportional impact on your cumulative GPA as the total number of credit hours increases. A student with 60 credit hours needs to earn significantly higher grades to raise their GPA than a student with 15 credit hours.
The most effective strategies for GPA improvement are: (1) Retake courses in which you performed poorly — many institutions allow grade replacement, where the new grade replaces the old one in GPA calculations. (2) Take courses in your strongest subjects to bank high grades. (3) Use the 'what grades do I need?' calculator to set specific targets for each course. (4) Seek academic support early — office hours, tutoring, and study groups are most effective when used proactively, not as a last resort.
For graduate school applicants with a low undergraduate GPA, an upward trend in grades (improving each year) is viewed more favourably than a flat low GPA. Strong performance in the final two years, a high GRE/GMAT score, and compelling research or work experience can offset a lower overall GPA.
Courses worth 4–5 credit hours have a much larger impact on your GPA than 1–2 credit electives. Prioritise studying for your highest-credit courses to maximise GPA impact per hour of effort.
Calculate the grades you need in each course to achieve your target semester GPA before the semester begins. This gives you specific, actionable targets for each course.
Research consistently shows that class attendance is one of the strongest predictors of academic performance. Students who attend 90%+ of classes earn significantly higher grades than those who do not.
Professors hold office hours specifically to help students. Students who regularly attend office hours build relationships with professors, get clarification on difficult material, and often perform better on exams.
Starting assignments the day they are assigned (even for just 30 minutes) dramatically reduces the stress and quality degradation of last-minute work. Early starts also allow time for revision and feedback.
If your institution allows grade replacement, retaking courses in which you earned a C or below can significantly boost your GPA. Check your institution's policy on grade replacement before enrolling.