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GPA Calculator

Calculate your semester or cumulative GPA

Add your courses with grades and credit hours. Results update automatically.

Results

Your calculated results appear here

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Total Credits
0
Total Points
0
Courses
0
Scale
4.0

Grade Point Reference (4.0 Scale)

Grade Grade Points Percentage Range Performance
A 4.0 93-100% Excellent
A- 3.7 90-92% Excellent
B+ 3.3 87-89% Very Good
B 3.0 83-86% Good
B- 2.7 80-82% Above Average
C+ 2.3 77-79% Satisfactory
C 2.0 73-76% Satisfactory
C- 1.7 70-72% Below Average
D+ 1.3 67-69% Poor
D 1.0 60-66% Poor
F 0.0 0-59% Fail

How It Works

Add your courses with grades and credit hours. The calculator automatically computes your GPA using standard 4.0 scale calculations.

Common Uses

Calculate semester GPA, track academic progress, convert CGPA for job applications, or prepare for graduate school admissions.

Always Accessible

Works completely in your browser - no data sent to servers. Use it anytime, anywhere with full privacy protection.

How the GPA Calculator Works

The GPA calculator uses a straightforward mathematical process to convert your grades into a numerical average. Here's how it works step by step:

Step-by-Step Calculation Process

1. Enter Your Courses

Start by adding each course you've completed. Include the course name (optional), the letter grade you received, and the number of credit hours for that course.

2. Assign Grade Points

Each letter grade corresponds to a specific grade point value on the 4.0 scale. An A equals 4.0, A- equals 3.7, B+ equals 3.3, and so on down to F which equals 0.0.

3. Calculate Quality Points

For each course, multiply the grade points by the credit hours. For example, an A (4.0) in a 3-credit course gives you 12 quality points (4.0 × 3 = 12).

4. Sum Your Totals

Add up all the quality points from every course to get your total quality points. Also add up all the credit hours to get your total credit hours.

5. Calculate GPA

Divide your total quality points by your total credit hours. The result is your Grade Point Average (GPA) on a 4.0 scale.

GPA Calculation Formulas

Standard GPA Calculation

GPA = (Σ(Grade Point × Credit Hours)) ÷ (Σ Credit Hours)
Grade Point = numerical value of grade (A=4.0, A-=3.7, etc.)
Credit Hours = weight or value assigned to a course
Σ = sum of all courses

CGPA to Percentage Conversion

Percentage = CGPA × Conversion Multiplier
CGPA = Cumulative Grade Point Average
Multiplier = 9.5 (most common), 10.0, or institution-specific value
For 10.0 scale: First convert to 4.0 scale

Scale Conversion Formula

4.0 Scale GPA = (10.0 Scale GPA ÷ 10) × 4.0
Use this formula to convert between different GPA scales before applying percentage conversion formulas.

Step-by-Step Examples

Semester GPA Calculation

Courses: - Mathematics (3 credits): A- (3.7) - English (3 credits): B+ (3.3) - Biology (4 credits): B (3.0) - History (3 credits): A (4.0) Quality Points = (3.7×3)+(3.3×3)+(3.0×4)+(4.0×3) = 11.1+9.9+12+12 = 45 Total Credits = 3+3+4+3 = 13 GPA = 45 ÷ 13
Calculated GPA: 3.46

CGPA to Percentage Conversion

Scenario: Student with CGPA 3.6 on 4.0 scale Using 9.5 multiplier (most common): Percentage = 3.6 × 9.5 Using 10.0 multiplier: Percentage = 3.6 × 10.0
34.2% (×9.5) or 36.0% (×10.0)

Weighted GPA with AP Course

Regular Course: B (3.0) × 3 credits = 9 points AP Course: A (5.0) × 4 credits = 20 points (Add 1.0 for AP weighting) Total Points = 9 + 20 = 29 Total Credits = 3 + 4 = 7
Weighted GPA: 4.14

Understanding GPA Calculations

Grade Point Average (GPA) is a standardized method of evaluating academic performance used by educational institutions worldwide. Understanding how GPA is calculated helps you track your academic progress and make informed decisions about your education.

What is GPA and Why Does It Matter?

GPA provides a numerical representation of your academic achievement. It's used for college admissions, scholarship eligibility, academic standing, and job applications. A higher GPA typically indicates stronger academic performance.

Key Components of GPA Calculation

Every GPA calculation considers three essential elements:

  • Letter Grades: Converted to numerical grade points (A=4.0, B=3.0, etc.)
  • Credit Hours: The weight or value assigned to each course
  • Quality Points: Grade points multiplied by credit hours for each course

Weighted vs. Unweighted GPA

Some schools use weighted GPA systems that give extra points for advanced courses (AP, IB, Honors). An A in an AP course might be worth 5.0 instead of 4.0. Always check which system your institution uses.

Practical Example: College Application GPA

Imagine you're preparing college applications and need to calculate your cumulative high school GPA.

Academic Record

Semester 1:

  • English: A- (3.7) × 4 credits = 14.8 points
  • Math: B+ (3.3) × 5 credits = 16.5 points
  • History: A (4.0) × 3 credits = 12.0 points
  • Science: B (3.0) × 4 credits = 12.0 points
Calculation

Total Points = 14.8 + 16.5 + 12.0 + 12.0 = 55.3
Total Credits = 4 + 5 + 3 + 4 = 16
Semester GPA = 55.3 ÷ 16 = 3.46

Interpretation

A 3.46 GPA falls in the B+ range, indicating strong academic performance suitable for most college applications.

Frequently Asked Questions

What's the difference between GPA and CGPA?
GPA (Grade Point Average) typically refers to your average for a single semester or term. CGPA (Cumulative Grade Point Average) is your overall average across all completed semesters.
How do I calculate weighted GPA with honors or AP courses?
Many schools add extra points for advanced courses. Typically, honors courses add 0.5 points (so an A becomes 4.5) and AP/IB courses add 1.0 point (A becomes 5.0).
What are the most common GPA scales used worldwide?
The 4.0 scale is standard in the United States and Canada. Many countries use a 10.0 scale (India, some European countries). Some institutions use percentage scales.
How do I convert between different GPA scales?
To convert from a 10.0 scale to 4.0: multiply by 0.4. To convert from 4.0 to 10.0: multiply by 2.5. Check with your institution for their preferred method.
How do graduate schools evaluate GPA from different institutions?
Graduate schools often recalculate GPAs using their own standardized methods. They may convert all grades to their preferred scale or calculate major-specific GPAs.
How much do plus/minus grades affect my overall GPA?
Plus/minus variations typically change grade points by 0.3 increments. An A- (3.7) versus an A (4.0) can significantly impact your GPA over multiple courses.

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