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GPA Calculator

This GPA calculator converts your courses, letter grades and credit hours into a grade point average on the standard US 4.0 scale. Add or remove courses and the GPA updates live as you type, so you can test how next semester's grades would move your average. Plus and minus grades are built in.

Built & reviewed by the TurboTeamTools team · Updated September 2026 · 0 uses on this device

GPA Calculator tool

CourseGradeCredits
Your GPA
–

Grade points (4.0 scale)

LetterPointsLetterPoints
A / A+4.0C2.0
A−3.7C−1.7
B+3.3D+1.3
B3.0D1.0
B−2.7D−0.7
C+2.3F0.0

How to use it

  1. Add each course with its letter grade and credit hours.
  2. The GPA updates automatically on the 4.0 scale.
  3. Add or remove courses to model different outcomes.

What is a grade point average?

A grade point average, or GPA, boils a transcript down to one number. Each letter grade maps to points, an A to 4.0 and a B to 3.0, each course's points are multiplied by its credit hours, and the total is divided by the credits:

GPA = Σ(points × credits) ÷ Σ(credits)

An A in a 3-credit course earns 12 quality points, a B+ in a 4-credit course earns 13.2, and an A- in a 3-credit course earns 11.1. That is 36.3 points over 10 credits, for a GPA of 3.63. Because credits weight every grade, a 4-credit class moves your average more than a 1-credit elective.

Worked example

Input: A (3 cr), B+ (4 cr), A− (3 cr)
→
Result: GPA ≈ 3.63

Common GPA benchmarks

BenchmarkTypical GPA
Good academic standingCommonly 2.0 or higher
NCAA Division I eligibility2.3 minimum core-course GPA
Merit scholarship minimumsCommonly 3.0 to 3.5
Dean's listCommonly 3.5 or higher
Cum laudeCommonly around 3.5
Magna cum laudeCommonly around 3.7
Summa cum laudeCommonly around 3.9

Every school draws its own lines, so treat these as ballpark figures and check your catalog.

How GPA is calculated

Each letter grade maps to a point value: an A is 4.0, an A− is 3.7, a B+ is 3.3, a B is 3.0, and so on down to an F at 0.0. To find your GPA, multiply each course's points by its credit hours to get quality points, add those across all courses, and divide by the total credit hours. Bigger classes count for more, which is why one bad grade in a four-credit course stings more than in a one-credit elective.

The sample courses show the arithmetic. An A in a 3-credit course is 12 quality points, a B+ in a 4-credit course is 13.2, and an A− in a 3-credit course is 11.1. That is 36.3 quality points over 10 credits, for a GPA of 3.63. Cumulative GPA works the same way across terms: a semester with 36 quality points over 12 credits (a 3.00) followed by one with 63 over 18 credits (a 3.50) gives 99 ÷ 30, or 3.30. Averaging the two term GPAs would give 3.25, which is wrong, because the second term carried more credits.

Weighted scales and raising your GPA

Most US colleges use this unweighted 4.0 scale, where an A+ counts the same as an A. Many high schools add 0.5 for honors and 1.0 for AP or IB courses, so an A in an AP class is worth 5.0 and a weighted GPA can top 4.0. A few colleges award 4.3 for an A+. If your transcript uses a different scale, the ranking of your courses stays the same but the final number will differ from what this calculator shows.

Raising a GPA gets harder as credits pile up. A student with a 3.0 across 60 credits has 180 quality points. To reach a 3.2, they need (180 + 4x) ÷ (60 + x) = 3.2, which solves to x = 15 credits of straight A grades. The same student at 30 credits would need only 7.5 credits of A work. Early terms matter more than they feel at the time.

Common uses

  • Tracking your semester or cumulative GPA
  • Seeing how a grade affects your average
  • Planning courses to reach a target GPA
  • Reporting GPA on applications
  • Converting letter grades to quality points
  • Checking eligibility for scholarships and honors

When to use it

  • You want to calculate your college GPA from letter grades and credit hours before grades post officially.
  • You are working out how to raise your GPA from 3.0 to 3.5 and how many A grades that takes.
  • A scholarship application asks for your cumulative GPA and you only have semester numbers.
  • You are weighing whether a pass/fail option or a letter grade helps your average more.

Related tools

The Grade Calculator works one level down, turning assignment scores into the letter grade for a single class.

The Average Calculator finds the plain mean of any list when credits do not matter.

The Percentage Calculator converts raw scores into the percents your syllabus maps to letters.

Frequently asked questions

Multiply each course's grade points by its credit hours to get quality points, add them across all courses, then divide by your total credit hours. The result is your GPA.
On the standard scale an A− is 3.7. The full ladder is A and 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 0.0. Some schools give an A+ 4.3 or skip plus and minus grades entirely.
On a 4.0 scale, a 3.0 is a solid B average, 3.5 and above is strong, and 3.7 or higher is often needed for competitive programs and honors. Many scholarships set a 3.0 minimum, and Latin honors such as cum laude usually start around 3.5, though each school sets its own line.
It uses the standard unweighted 4.0 scale with plus and minus grades. Weighted scales that add points for AP or honors classes can exceed 4.0. To approximate a weighted GPA, add the bonus to each course's points yourself, for example 5.0 for an A in an AP class, and average by credits.
There is no single formula, because each school maps percentages to letters differently. The common route is percentage to letter, then letter to points: 90 to 100 is an A (4.0), 80 to 89 a B (3.0), 70 to 79 a C (2.0), 60 to 69 a D (1.0). Check your school's scale for plus and minus bands.
Enter every course from all semesters with its credits, or combine each term's total quality points and credit hours and divide. Do not average the term GPAs directly unless every term had the same number of credits.
At most schools, no. A pass earns credit toward graduation but no quality points, so it leaves your GPA unchanged. A fail, however, often does count as an F. Leave pass/fail courses out of the calculator unless your school says otherwise.
It depends on how many credits you already have. With 30 credits at a 3.50 (105 quality points), a 3-credit F drops you to 105 ÷ 33, or 3.18, while a 3-credit A lifts you to 117 ÷ 33, or 3.55. The same grade would move a 90-credit GPA far less.