A GPA calculator for semester, weighted and cumulative GPA
This GPA calculator turns your courses, credit hours and letter grades into a grade point average on the standard US 4.0 scale. Add as many classes as you are taking, pick a grade for each and your semester GPA appears instantly — along with the total quality points, the number of GPA credits and the letter grade your average is closest to.
It handles the details that trip people up: honors and AP/IB classes can be weighted (+0.5 and +1.0), A+ can count as 4.0 or 4.33 depending on your school, pass/fail and withdrawn courses are left out of the average, and you can type a numeric grade point when your transcript uses one. Enter your GPA and credits from previous terms to see your new cumulative GPA. Everything runs in your browser and your course list is saved on this device only.
How to use the GPA Calculator
- Choose your grading scale: most schools count A+ as 4.0, but some colleges award 4.33.
- Pick “Weighted” if your high school adds a bonus for honors, AP or IB classes, then set each course’s type.
- For each course, enter the credits (or credit hours) and choose the letter grade. Use “Add course” for more rows and the × button to remove one.
- Read your semester GPA in the result panel, with unweighted and weighted GPA, credits and quality points below it.
- Optionally enter your GPA so far and the credits it covers to get your cumulative GPA, then press “Copy summary”.
GPA Calculator features
Letter grades or grade points
Choose A+ to F from the list, or pick “Enter grade points” to type a value such as 3.5 when your school uses numeric points.
Weighted and unweighted together
Both GPAs are shown side by side, so you can report the one a college application or scholarship form asks for.
Cumulative GPA
Combines your previous GPA and credits with this term’s quality points — the same credit-weighted method registrars use.
Pass/fail and withdrawals
P and W grades are listed but excluded from the average; pass credits are counted separately.
Reference chart
A built-in letter grade ↔ percentage ↔ grade point table, which updates when you switch the A+ value.
Saved on your device
Your courses and settings stay in this browser, so you can come back after each exam and update them.
How GPA is calculated
Each letter grade has a grade point value. Multiply that value by the course’s credits to get quality points, add up the quality points for every course, and divide by the total credits: GPA = Σ(grade points × credits) ÷ Σ credits.
Worked example: A− in a 3-credit course (3.7 × 3 = 11.1), B+ in a 4-credit course (3.3 × 4 = 13.2), A in a 4-credit course (16), B in a 3-credit course (9) and A in a 3-credit course (12) give 61.3 quality points over 17 credits — a GPA of 61.3 ÷ 17 = 3.61. That is the example the calculator loads.
A cumulative GPA is weighted by credits, not by semesters: (old GPA × old credits + new quality points) ÷ (old credits + new credits). With a 3.50 over 30 credits and 66.3 new quality points over 17 credits, the cumulative GPA is 171.3 ÷ 47 = 3.64. Simply averaging two semester GPAs gives the wrong answer whenever the terms have different credit loads.
Weighted vs unweighted GPA
An unweighted GPA treats every class the same, so the maximum is 4.0. Many US high schools also report a weighted GPA that rewards harder classes — typically +0.5 for honors and +1.0 for AP, IB or dual-enrolment college courses — so an A in AP Calculus counts as 5.0. That is why weighted GPAs above 4.0 are possible.
Policies vary: some schools weight only grades of C or better, some cap the bonus, and many colleges recalculate your GPA themselves using only core academic subjects. This calculator does not add a bonus to an F. If your school’s rules differ, check your student handbook and use “Enter grade points” to type the exact value.
Common mistakes to avoid
- Averaging letter grades without credits — a 1-credit lab should count far less than a 4-credit lecture.
- Including pass/fail, audit or withdrawn courses in the average. They usually earn credits but no grade points.
- Mixing weighted and unweighted values when calculating a cumulative GPA.
- Assuming every school uses the same scale. Outside the US, systems such as the Indian 10-point CGPA or UK degree classifications work differently — use the SGPA calculator (marks to a 10-point SGPA with VTU, KTU, SPPU, AKTU or IPU tables) and the CGPA to percentage converter for those.
GPA Calculator FAQ
How do I calculate my GPA?
Convert each letter grade to grade points (A = 4.0, B = 3.0 and so on), multiply by the course credits, add the results and divide by the total credits. The GPA calculator does all of this as soon as you pick a grade.
What is a good GPA?
On the 4.0 scale, 3.0 (a B average) is generally considered solid, 3.5 and above is strong, and 3.7+ is excellent. Competitive colleges and scholarships often look for 3.5 or higher, but requirements differ widely.
Is an A+ worth 4.0 or 4.33?
Most US high schools and many colleges cap the scale at 4.0, so A+ and A are both 4.0. Some universities award 4.33 for an A+. Choose the option that matches your school’s grading policy.
Do pass/fail classes affect GPA?
Usually not. A pass earns credit toward graduation but no grade points, so it is excluded from the GPA. A fail in a pass/fail course is treated differently by different schools, so check your registrar’s rules.
How do I raise my cumulative GPA?
Because cumulative GPA is weighted by credits, high grades in courses with more credits move it most. Enter a target semester in the calculator with your GPA so far to see the effect. To plan a single course, try the final grade calculator or the grade calculator.
Can I convert my percentage to a GPA?
Use the chart under the calculator: in the common US conversion 93–96% is an A (4.0), 90–92% an A− (3.7), 87–89% a B+ (3.3) and so on. Your school may use different cut-offs, such as 90/80/70/60 without plus and minus grades.