School and grades
GPA Calculator
Your grade point average on the 4.0 scale, weighted by credits
This GPA calculator turns your letter grades into grade points on the 4.0 scale, weights them by credit hours and gives your semester GPA, plus your new cumulative GPA if you add your previous one.
The key idea
Your GPA is not the average of your grades: each class counts by its credits
An A in a 4-credit class and a C in a 1-credit lab give a 3.60 GPA, not the 3.00 you get by averaging 4.0 and 2.0. Credit hours are the weight, so your biggest classes move your GPA the most.
How it is calculated
Each letter grade has a number of grade points. Multiply the points by the course's credit hours, add everything up and divide by the total credits:
GPA = Σ (grade points × credits) / Σ credits
On the most common 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, D− = 0.7 and F = 0. For a cumulative GPA, the points and credits you already have are added to this term's.
Schools set their own rules: some give 4.3 for an A+, some high schools weight honors or AP classes (for example, 5.0 for an A), and pass/fail courses usually do not count. Your transcript and your registrar's policy are the official reference.
Worked example
Four courses: an A in a 4-credit class (16 points), a B+ in 3 credits (9.9), a B in 3 credits (9) and an A− in 2 credits (7.4). That is 42.3 grade points over 12 credits: a GPA of 3.53. With a previous 3.40 over 45 credits, the new cumulative GPA is 3.43.
Common questions
Frequently asked questions
How do I calculate my GPA?
Multiply each course's grade points by its credit hours, add the results and divide by your total credits. An A (4.0) in 4 credits and a B (3.0) in 3 credits give (16 + 9) / 7 = 3.57.
What is a good GPA?
It depends on your goal: a 3.0 is a B average, and many scholarships and graduate programs look for 3.0 to 3.5 or higher. Check the specific requirement of the program you are aiming for.
What is the difference between weighted and unweighted GPA?
An unweighted GPA uses the 4.0 scale for every class; a weighted GPA gives extra points for honors, AP or IB classes, often up to 5.0. This calculator gives the unweighted GPA.
How do I calculate my cumulative GPA?
Multiply your current GPA by the credits you have, add this term's grade points and divide by all your credits. With 3.40 over 45 credits plus 42.3 points over 12 credits, you get 3.43.
How much can one semester raise my GPA?
Less as you go: the more credits you already have, the more weight they carry. A 4.0 semester of 15 credits after 90 credits at 3.0 only lifts you to about 3.14.
Do pass/fail classes count toward GPA?
Usually not: a pass gives credits but no grade points, so it is left out of the GPA. A fail can count at some schools, so check your school's policy.
GPA and grades
School and grades
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