GPA Calculator

Calculate your GPA from course grades and credit hours. Supports 4.0 and percentage scales.

Course nameGradeCredits

GPA

3.67

Total credits

10

Grade points

36.7

How to use GPA Calculator

1

Enter Your Course Name

Click the 'Add Course' button and type your course name in the text field (e.g., 'Biology 101'). This helps you organize and track multiple courses easily.

2

Input Grade and Credit Hours

Select your grading scale (4.0 or percentage) from the dropdown menu. Enter your course grade in the 'Grade' field and the number of credit hours in the 'Credits' field. For example: Grade 3.5, Credits 4.0.

3

Add Additional Courses

Click 'Add Course' again to enter more courses. Repeat steps 1-2 for each course you want to include in your GPA calculation.

4

View Your Calculated GPA

Your GPA automatically displays in the 'Your GPA' field at the top of the tool. The calculator shows both weighted GPA and course count in real-time as you add courses.

5

Adjust or Remove Courses

Click the edit icon next to any course to modify grades or credits. Click the delete (X) icon to remove a course from your calculation. Changes update your GPA instantly.

Related Tools

GPA calculator: calculate your grade point average instantly

GPA calculator: calculate your grade point average instantly

Need to find your GPA after adding your latest grades? Use ToolHQ's free GPA calculator to calculate your grade point average instantly, weighted by credit hours.

ToolHQ's GPA calculator is a free browser-based tool that calculates your GPA from course grades and credit hours, supporting 4.0 and other grading scales.

Your GPA affects scholarship eligibility, graduate school applications, honor roll status, and sometimes job applications. Getting the exact number before grades are officially posted helps you plan, prepare appeals, or set targets for your next semester.

Key Takeaways

  • GPA is weighted by credit hours, not just an average of letter grades
  • A 3-credit A in one class outweighs a 1-credit B+ in another
  • The standard US 4.0 scale assigns A=4.0, B=3.0, C=2.0, D=1.0, F=0.0
  • Adding more courses to the calculator shows your cumulative GPA across the full semester or year
  • No login required -- add your courses and get your GPA in seconds

How GPA is calculated

GPA stands for Grade Point Average. In the US system, each letter grade corresponds to a point value on a 4.0 scale. Each course is weighted by its credit hours. The calculation is:

  • Quality points per course = Grade points x Credit hours
  • GPA = Total quality points / Total credit hours

For example: if you earned an A (4.0) in a 3-credit course and a B (3.0) in a 4-credit course:

  • A course: 4.0 x 3 = 12 quality points
  • B course: 3.0 x 4 = 12 quality points
  • Total: 24 quality points / 7 credit hours = 3.43 GPA

Without the credit-hour weighting, an A in a 1-credit elective would carry the same weight as an A in a 5-credit lab course. The weighted system ensures your GPA reflects the relative importance of each course.

According to the Wikipedia article on academic grading in the US, the 4.0 scale is standard across most US colleges and universities, though variations exist -- some schools use a 4.3 or 4.5 scale to accommodate A+ grades. The American Association of Collegiate Registrars and Admissions Officers (AACRAO) sets professional standards for academic record management, and most US institutions follow broadly similar grading conventions.

Common 4.0 scale values:

  • A / A+ = 4.0
  • A- = 3.7
  • B+ = 3.3
  • B = 3.0
  • B- = 2.7
  • C+ = 2.3
  • C = 2.0
  • D = 1.0
  • F = 0.0

When you need a GPA calculator

Tracking your GPA matters at nearly every stage of your academic career, not just at graduation.

Mini-story: Kenji is a 20-year-old sophomore studying computer science. After three midterms, he needed to know where his semester GPA stood before final exams. He entered five courses into the GPA calculator: a 4-credit math course (B+, 3.3), a 3-credit physics course (A, 4.0), a 3-credit intro to CS course (A, 4.0), a 2-credit elective (B, 3.0), and a 1-credit seminar (A, 4.0). His semester GPA came back at 3.63. He needed a 3.70 to qualify for a departmental scholarship, so he knew he needed strong finals in the math course to hit his target.

You'll want this calculator when:

  • Checking your semester GPA before official transcripts are released
  • Planning what grades you need in remaining courses to hit a target GPA
  • Calculating cumulative GPA by adding multiple semesters together
  • Verifying that your school's posted GPA matches your own calculation
  • Determining whether you meet GPA thresholds for scholarships, internships, or graduate applications

Calculate your GPA at ToolHQ


How to use the GPA calculator

  1. Enter the course name (optional, for your reference).
  2. Select the letter grade you earned or expect to earn in that course.
  3. Enter the credit hours for that course.
  4. Add more courses by clicking "Add course." There is no limit to how many courses you can enter.
  5. Read your GPA. The calculator shows your GPA, total credit hours, and total quality points.

To calculate cumulative GPA across multiple semesters, simply add all courses from all semesters into the calculator at once.


How to plan for a target GPA

The GPA calculator is just as useful forward-looking as it is for verifying current grades.

What grade do you need? If you know your current GPA and credit hours, you can run different scenarios. Add a hypothetical final exam course and change the grade to see the impact on your overall GPA. The more credit hours you already have, the harder it is to move your GPA in a single semester -- a student with 90 completed credit hours would need nearly perfect grades for an entire semester to raise a 3.2 GPA to a 3.5.

GPA recovery planning: If you received a D or F in a course you retook, check whether your school uses grade forgiveness or grade replacement. Some schools only count the new grade; others average both. The calculator can model either scenario.

Mini-story: Rachel, a 22-year-old pre-med student, had a rough freshman year and finished with a 3.1 GPA after 30 credit hours. She wanted to know what GPA she would need over the next 90 credit hours to achieve a 3.5 cumulative GPA for medical school applications. She entered her existing 30 credits as a block at 3.1 quality points, then experimented with her remaining 90 credits at different grade levels. The calculator showed that maintaining a 3.7 average for the remaining 90 credits would land her at a 3.59 overall -- just above her target.

For grade-specific calculations or converting between percentage grades and letter grades, the percentage calculator handles the conversion math. You can find more academic and everyday math tools in the ToolHQ calculator category.


GPA grading scales: 4.0 vs 5.0 vs percentage

The 4.0 scale is the most common in the US, but it is not universal. Here is how the main systems compare and when each one applies.

Standard 4.0 scale. This is the system used by most US colleges and universities. The maximum GPA is 4.0, achieved by earning an A in every course. A+ grades are typically treated the same as A on the standard 4.0 scale.

Weighted 5.0 scale (high school). Many US high schools use a weighted GPA system to differentiate standard, honors, and Advanced Placement (AP) or International Baccalaureate (IB) courses. Under a 5.0 scale:

Grade Standard course Honors course AP/IB course
A 4.0 4.5 5.0
B 3.0 3.5 4.0
C 2.0 2.5 3.0

A student who earns all A grades in standard courses has a 4.0 weighted GPA. A student who earns all A grades in AP courses has a 5.0 weighted GPA. This allows admissions offices to see both a student's unweighted GPA (difficulty-neutral) and weighted GPA (adjusted for course rigor).

Percentage-based grades. Some international institutions and a minority of US high schools report grades as percentages rather than letters. The conversion varies by school, but common mappings are:

Percentage US letter grade 4.0 equivalent
93-100% A 4.0
90-92% A- 3.7
87-89% B+ 3.3
83-86% B 3.0
80-82% B- 2.7
70-79% C 2.0

If your transcript uses percentages and you need to report a 4.0-scale GPA, convert using the letter grade mapping, then apply the credit-hour weighting to calculate the final number.


Frequently asked questions

What is a good GPA?

A 3.0 GPA is generally considered the minimum for most graduate programs. A 3.5+ is considered strong. A 3.8+ puts you in the top range for competitive programs. "Good" depends heavily on your specific field and target institution.

Does a 4.0 scale include A+ grades?

Standard 4.0 scales cap at 4.0 regardless of A or A+. Some schools use a 4.3 scale where A+ = 4.3. Check your school's official grade point values in the catalog or registrar's office.

How do I calculate cumulative GPA across multiple semesters?

Enter all courses from every semester into the calculator. The weighted average across all credit hours gives your cumulative GPA. Or enter each semester's GPA as a single row with that semester's total credit hours.

What happens to my GPA if I retake a course?

It depends on your school's policy. Under grade replacement, the new grade replaces the old one entirely. Under grade averaging, both grades count. Enter the scenario that matches your school's policy to see the outcome.

Do Pass/No Pass or Withdrawal grades affect GPA?

No. In the US system, P (Pass), NP (No Pass), and W (Withdrawal) grades are generally not included in GPA calculations because they don't have assigned grade point values. They appear on your transcript but don't raise or lower your GPA. However, W grades can affect your completion rate (credit hours attempted vs. completed), which matters for financial aid satisfactory academic progress requirements. Some schools have limits on how many W grades you can accumulate before it affects your academic standing.

Can I use this for high school GPA?

Yes. Use the same letter grade inputs. Some high schools use weighted GPA for AP and honors courses (e.g., A in an AP class = 5.0). Check your school's grading scale and adjust the grade point values manually.


The short version

Whether you're checking where you stand after finals or planning what grades you need to hit a scholarship threshold, ToolHQ's GPA calculator gives you the answer in seconds. Add as many courses as you need, weight them by credit hours, and get your GPA instantly with no account required.

The credit-hour weighting is what makes this tool accurate -- a simple average of letter grades will always give you the wrong number if your courses have different credit values.

For percentage-to-grade conversions and other math needs, try ToolHQ's percentage calculator. Browse all calculator tools at the ToolHQ calculator category page.

Calculate your GPA now