GPA Calculator
Compute your semester GPA on the standard 4.0 scale from up to five courses. See exactly how each grade and credit hour combination affects your overall average.
How to use this gpa calculator
- 1Enter the number of credit hours for your first course — most lecture courses are 3 credits, labs are 1–2.
- 2Select the letter grade you earned or expect to earn from the dropdown.
- 3Repeat for each course you are taking this semester (up to five).
- 4For pass/fail courses or courses you want to exclude, leave the credit hours at 0.
- 5For a course with a plus or minus grade, choose the matching option — A- is 3.7, not 4.0.
- 6Read your semester GPA from the result box and check total grade points to see which courses are driving the average.
How it's calculated
GPA = Σ (grade points × credit hours) ÷ Σ credit hours. Each letter grade carries a fixed point value: A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, and so on down to F = 0.0.
About the GPA Calculator
Your GPA — Grade Point Average — is one of the most watched numbers in your academic career, and understanding exactly how it is calculated gives you a real strategic advantage. At its core, GPA is a weighted average: each course's grade is multiplied by its credit hours, all those products are summed, and then divided by total credits. This means a one-point improvement in a 4-credit course moves your GPA four times as much as the same improvement in a 1-credit elective. Students who understand this focus their energy on their heavy-credit core courses above everything else.
The standard 4.0 scale used by most American universities assigns fixed point values to each letter grade. An A is 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, and so on down to F at 0.0. Not every school uses plus and minus grades — some treat all A's as 4.0 regardless. Always check your registrar's grade conversion table to know exactly what your school uses before calculating.
GPA carries significant weight beyond your transcript. Scholarship eligibility, honors societies, graduate school applications, and even some employers use GPA as an initial screening filter. A 3.5 or higher typically qualifies you for Dean's List. Law schools and medical schools often expect 3.7 or above. Many scholarships require a minimum 3.0 to remain eligible. Knowing your GPA in real time — not just after grades are posted — lets you make informed decisions about how to allocate your study time in the weeks before finals.
One of the most common GPA mistakes students make is treating all courses equally. A 90 in a 1-credit course and a 90 in a 4-credit course feel the same emotionally, but the 4-credit course contributes four times as many grade points. If you have limited time before a major exam period, prioritizing the high-credit, currently-lower-grade course will almost always yield the biggest GPA improvement per hour of studying. Our GPA calculator shows you total grade points so you can see exactly how each course is weighted in the calculation.
If your GPA has taken a hit from a difficult semester, know that recovery is absolutely possible — it just takes time, because each new semester's credits dilute previous semesters more slowly as your total credit count grows. A student with 30 credits can move their GPA 0.2 points in a single strong semester. A student with 100 credits may only move it 0.05. This is why addressing GPA concerns early in your college career, rather than in your final year, gives you the most room to recover and finish with the number you want.
Frequently asked questions
What is the 4.0 GPA scale?
The 4.0 scale is the standard grading system used by the vast majority of US colleges and universities. An A earns 4.0 grade points, a B earns 3.0, a C earns 2.0, a D earns 1.0, and an F earns 0. Plus and minus grades sit in between — for example, a B+ is 3.3 and a B- is 2.7. Your GPA is then a weighted average of all your grade points, where higher-credit courses count more.
Why does a 4-credit A count more than a 1-credit A?
GPA is a weighted average, not a simple average. A 4-credit course contributes 16 grade points (4.0 × 4) to your total, while a 1-credit course contributes only 4 (4.0 × 1). When those are divided by total credits, the heavier course moves the needle more. This is why earning an A in your high-credit core courses has a far bigger impact on your GPA than acing a 1-credit physical education elective.
What is considered a good GPA?
A 3.5 or above is generally considered excellent and will qualify you for Dean's List at most schools. A 3.0 to 3.4 is solid and keeps most scholarship options open. A 2.5 to 2.9 is acceptable but may limit grad school options. Below 2.0, most schools will place you on academic probation. For competitive graduate programs or law school, a 3.7+ is typically expected.
Does a withdrawn course affect my GPA?
A W (Withdrawal) does not affect your GPA at the vast majority of institutions — it simply disappears from the GPA calculation. However, it does appear on your transcript, and excessive withdrawals can raise flags for graduate admissions committees or scholarship reviewers. An incomplete (I) also typically does not count until a final grade is submitted. Always check your school's specific policy.
How do I raise a low GPA quickly?
The fastest way to raise your GPA is to focus on high-credit courses. Taking a 4-credit course and earning an A instead of a C adds 8 grade points — far more than a 1-credit course. Grade replacement policies (where retaking a course replaces the old grade) can also be powerful if your school offers them. Many students also benefit from talking to an academic advisor early rather than waiting until grades are final.
Does my high school GPA affect my college GPA?
No. Your high school GPA is a completely separate record from your college GPA. Once you enroll in college, your GPA calculation starts fresh at 0.00. High school grades may have affected your college admissions decision and scholarship eligibility, but they have zero mathematical effect on your college GPA going forward.