How Colleges Calculate Gpa

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College GPA Calculator

Calculate your semester or cumulative grade point average based on credit hours and letter grades.

Course Name (Optional) Grade Credits
A A- B+ B B- C+ C C- D+ D F
AA-B+BB-C+CC-D+DF
AA-B+BB-C+CC-D+DF
AA-B+BB-C+CC-D+DF
AA-B+BB-C+CC-D+DF
Your Estimated GPA:
0.00
Total Credits: 0 | Total Quality Points: 0

How Colleges Calculate Your GPA

Understanding how your college GPA is calculated is essential for academic planning, scholarship eligibility, and graduate school applications. Most colleges and universities use a "weighted" average system where the number of credit hours for a course determines how much that course's grade affects your overall average.

The GPA Formula

The standard formula used by higher education institutions is:

GPA = Total Quality Points รท Total Attempted Credit Hours

Step-by-Step Calculation Example

To calculate your GPA manually, follow these steps:

  1. Assign Point Values: Convert your letter grades into numerical values (e.g., A = 4.0, B = 3.0).
  2. Calculate Quality Points: For each class, multiply the grade point value by the number of credits. (Example: An 'A' in a 3-credit class equals 12 quality points).
  3. Sum Everything: Add up all the quality points from all classes. Then, add up all the credit hours.
  4. Divide: Divide the total quality points by the total credits.

Realistic Example

Suppose you took three classes this semester:

  • Biology (4 Credits): Grade A (4.0) -> 4 * 4.0 = 16 points
  • Calculus (4 Credits): Grade B (3.0) -> 4 * 3.0 = 12 points
  • English (3 Credits): Grade A- (3.7) -> 3 * 3.7 = 11.1 points

Total Points: 39.1 | Total Credits: 11 | GPA: 39.1 / 11 = 3.55

Standard 4.0 Grading Scale

Letter Grade Percentage GPA Value
A93-1004.0
A-90-923.7
B+87-893.3
B83-863.0
B-80-822.7
C+77-792.3
C73-762.0
D60-691.0
FBelow 600.0
function calculateGPA() { var grades = document.getElementsByClassName('grade-val'); var credits = document.getElementsByClassName('credit-val'); var totalPoints = 0; var totalCredits = 0; for (var i = 0; i 0) { totalPoints += (gradeValue * creditValue); totalCredits += creditValue; } } var resultBox = document.getElementById('gpa-result-box'); var gpaDisplay = document.getElementById('final-gpa'); var creditsDisplay = document.getElementById('total-credits-display'); var pointsDisplay = document.getElementById('total-points-display'); if (totalCredits > 0) { var finalGPA = totalPoints / totalCredits; gpaDisplay.innerHTML = finalGPA.toFixed(2); creditsDisplay.innerHTML = totalCredits; pointsDisplay.innerHTML = totalPoints.toFixed(1); resultBox.style.display = 'block'; // Scroll to result smoothly resultBox.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); } else { alert('Please enter valid credit hours for your courses.'); } }

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