How to calculate GPA step by step?

To calculate GPA: (1) Convert each letter grade to grade points on the 4.0 scale (A=4.0, B=3.0, C=2.0, D=1.0, F=0). (2) Multiply each course's grade points by its credit hours to get quality points. (3) Add all quality points across courses. (4) Divide the total quality points by the total credit hours. The result is your GPA. Our college GPA calculator does this automatically — just enter your courses, credits, and grades.

What is the difference between weighted and unweighted GPA?

An unweighted GPA uses the standard 4.0 scale where every course counts equally. A weighted GPA gives extra points for harder classes — typically +0.5 for Honors and +1.0 for AP, IB, or dual-enrollment college courses, allowing a maximum GPA above 4.0 (often 5.0). Switch on "Weighted" in the high school mode of this GPA calculator to apply the bonus.

How does the college GPA calculator work?

The college GPA calculator uses credit-hour weighting. A 4-credit course affects your GPA more than a 1-credit course at the same grade. Enter each course you took this semester, the credit hours assigned by your university, and your earned letter grade. The calculator computes your semester GPA and rolls every semester into a cumulative GPA.

What is a good GPA in college?

On a 4.0 scale, 3.5+ is generally considered excellent and competitive for graduate programs. 3.0–3.5 is good and meets most internship and job requirements. 2.0 is the minimum to remain in good academic standing at most universities. Below 2.0 typically triggers academic probation. Use this GPA calculator to track where you stand.

How to calculate semester GPA vs cumulative GPA?

Semester GPA only looks at courses taken in one term. Cumulative GPA combines all your semesters into a single weighted average. This calculator shows both — each semester block shows its semester GPA, and the result card at the bottom shows your overall cumulative GPA across every semester you've added.

Does this GPA calculator work for high school?

Yes. Switch the mode to "High School" at the top. You can then toggle weighted GPA, which adds +0.5 for Honors classes and +1.0 for AP/IB or dual-enrollment classes. This matches how most US high schools calculate GPA on a weighted 5.0 scale.

How are pluses and minuses handled (A+, A, A−)?

We use the standard US system: A+ and A both equal 4.0, A− is 3.7, B+ is 3.3, B is 3.0, B− is 2.7, and so on down to F = 0.0. Some schools cap A+ at 4.0 (most common) while others give it 4.3 — this calculator uses the 4.0 cap, which matches most college GPA calculators.

Can I calculate the GPA I need to reach a target?

Yes — work backwards. Your target cumulative GPA × total credits attempted = total quality points needed. Subtract the quality points you've already earned, then divide by the credits remaining. The result is the GPA you need on those remaining credits.

Is my data saved or sent anywhere?

No. This GPA calculator runs entirely in your browser. Nothing you type is sent to a server, stored in a database, or shared with anyone. Refresh the page and your data is cleared.

GPA Calculator — College & High School GPA Calculator Online

Semester GPA: 0.00

Course	Credits	Grade

Cumulative GPA

0.00

—

Total Credits

0

Scale: 4.0

Grade Point Reference (4.0 Scale)

A+4.0

A4.0

A-3.7

B+3.3

B3.0

B-2.7

C+2.3

C2.0

C-1.7

D+1.3

D1.0

D-0.7

F0.0

Weighted GPA Bonuses (High School)

Regular—

Honors+0.5

AP / IB+1.0

College / Dual+1.0

How to Calculate GPA — Complete Guide

What is GPA?

GPA (Grade Point Average) is the standard way US colleges and high schools measure a student's overall academic performance. Each letter grade you earn is converted to a number on the 4.0 scale, weighted by the credit hours of the course, and averaged together. Our GPA calculator does the math for you — but it's worth understanding the formula so you can plan ahead.

How to calculate GPA — the formula

The formula every college GPA calculator uses is the credit-weighted average:

GPA = Σ (Grade Points × Credit Hours) ÷ Σ (Credit Hours)

Convert each letter grade to grade points on the 4.0 scale (A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0).
Multiply each course's grade points by its credit hours — this gives quality points.
Sum the quality points across every course.
Divide by the total credit hours attempted.

Worked example

A student takes four courses in one semester:

Course	Credits	Grade	Points	Quality Points
English 101	3	A	4.0	12.0
Calculus I	4	B+	3.3	13.2
Biology	4	B	3.0	12.0
History	3	A−	3.7	11.1
Totals		14 cr		48.3 pts

Semester GPA = 48.3 ÷ 14 = 3.45. Plug the same numbers into the college GPA calculator above — you'll see the same result.

Weighted vs unweighted GPA

An unweighted GPA caps at 4.0 — every course counts the same regardless of difficulty. A weighted GPA rewards you for taking harder classes by adding a bonus to the grade point: +0.5 for Honors and +1.0 for AP, IB, or dual-enrollment college courses. That pushes the maximum weighted GPA up to 5.0. Toggle the weighted option in the high school mode of this GPA calculator to see the difference.

Cumulative GPA vs semester GPA

Your semester GPA only reflects the term you just finished. Your cumulative GPA is the running average of every credit you've attempted across your degree. A single bad semester has less impact later on, because the denominator (total credit hours) keeps growing. Add every semester you've completed to the calculator above to see your true cumulative GPA.

What is a good GPA?

3.7 – 4.0: Excellent — competitive for top grad schools and scholarships.
3.3 – 3.7: Strong — meets most internship and graduate school requirements.
3.0 – 3.3: Good — comfortable academic standing.
2.0 – 3.0: Acceptable — passing, but limits some opportunities.
Below 2.0: Academic probation territory at most universities.

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