What is the difference between unweighted and weighted GPA?

An unweighted GPA is calculated on a standard scale from 0.0 to 4.0, regardless of course difficulty. A weighted GPA gives extra points for advanced classes (typically +0.5 for Honors and +1.0 for AP/IB courses), scaling up to 5.0.

How do standard letter grades convert to GPA points?

On a standard 4.0 scale: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Pluses and minuses typically add or subtract 0.3 (e.g., B+ = 3.3, A- = 3.7).

Why does course credit weight matter?

A class with 4 credits impacts your GPA twice as much as a class with 2 credits. The course grade is always weighted by its credit hours to ensure proportionate impact.

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GPA Calculator

Calculate your semester or cumulative GPA (Grade Point Average) for weighted and unweighted scales. Supports custom credit weightings and course difficulty honors/AP factors.

Interactive GPA Calculator Workspace

Live Solver

GPA calculation instructions: Fill in course names, select letter grades, enter credit weights, and specify difficulty factors. Standings recalculate live.

Course Name

Grade

Credits

Course Type

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Academic GPA Standings

Unweighted GPA3.700Standard 4.0 limit

Weighted GPA4.200AP/Honors adjusted (max 5.0)

Total Credits Enrolled11Course hour sum

Mathematical Formula & Variables

Equation ModelGPA = Sum(Grade Points × Credits) ÷ Sum(Credits)

Grade Point Average is calculated by multiplying the grade point value of each class by its credit weight, summing these products, and dividing by the total credits attempted.

Variable Definitions

Symbol	Description
GPA	Grade Point Average (0.0 to 4.0+ unweighted/weighted)
Grade Points	Numerical value assigned to a letter grade (e.g., A = 4.0, B = 3.0)
Credits	Credit hours or academic weight of the course

How to Use the GPA Calculator

Enter your course names, credit values, and letter grades.
Specify the course difficulty weight (Regular, Honors, AP/IB) if calculating weighted GPA.
Add rows for any additional courses you are taking.
View both your unweighted GPA (max 4.0) and weighted GPA (up to 5.0) updated in real-time.

Practical Example Calculation

Scenario Context: A student takes 3 courses: Calculus (4 credits, AP, Grade A), Biology (3 credits, Regular, Grade B), and English (3 credits, Honors, Grade A).

Step 1: Calculus Grade Points: Unweighted = 4.0, Weighted = 5.0 (AP boost of +1.0). Product Unweighted = 16.0, Weighted = 20.0.

Step 2: Biology Grade Points: Unweighted = 3.0, Weighted = 3.0 (Regular boost of +0.0). Product Unweighted = 9.0, Weighted = 9.0.

Step 3: English Grade Points: Unweighted = 4.0, Weighted = 4.5 (Honors boost of +0.5). Product Unweighted = 12.0, Weighted = 13.5.

Step 4: Sum Credits: 4 + 3 + 3 = 10 total credits.

Step 5: Sum Products Unweighted: 16.0 + 9.0 + 12.0 = 37.0. GPA = 37.0 ÷ 10 = 3.70.

Step 6: Sum Products Weighted: 20.0 + 9.0 + 13.5 = 42.5. GPA = 42.5 ÷ 10 = 4.25.

The student's Unweighted GPA is 3.70, and their Weighted GPA is 4.25.

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