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Brophy GPA Calculator

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The Brophy GPA Calculator is a simple yet effective tool designed to calculate a student's Grade Point Average (GPA) using a weighted average system. This system takes into account not just the grades obtained in various courses but also the credit hours each course carries. This approach provides a more accurate reflection of a student's academic performance across different subjects.

Purpose and Functionality of the GPA Calculator

The primary purpose of the Brophy GPA Calculator is to help students understand where they stand academically by calculating their GPA in a straightforward manner. The GPA is a crucial metric in educational systems, often used for assessing eligibility for scholarships, internships, and admissions into advanced study programs.

The functionality of the calculator is based on a formula that multiplies each grade by the credit hours of the respective course to get quality points, which are then summed up and divided by the total credit hours to obtain the GPA.

Formula Used in the Calculator

The formula used in the Brophy GPA Calculator is:

GPA=∑(grade point×credit hours)∑(credit hours)GPA=∑(credit hours)∑(grade point×credit hours)​

This formula ensures that courses with more credit hours have a proportionately greater impact on the final GPA, reflecting their increased workload and importance.

Step-by-Step Examples

Let's go through a detailed example to see how the GPA is calculated:

Example Input:

  • Course 1: Grade B (3.0 points) in a 3 credit course
  • Course 2: Grade A (4.0 points) in a 4 credit course
  • Course 3: Grade C (2.0 points) in a 2 credit course

Step-by-Step Calculation:

  1. Multiply each grade by its corresponding credit hours:
    • Course 1: 3.0×3=9.03.0×3=9.0
    • Course 2: 4.0×4=16.04.0×4=16.0
    • Course 3: 2.0×2=4.02.0×2=4.0
  2. Add up the results from step 1 to get total quality points:
    • Total Quality Points = 9.0+16.0+4.0=29.09.0+16.0+4.0=29.0
  3. Add up the total credit hours:
    • Total Credit Hours = 3+4+2=93+4+2=9
  4. Divide the total quality points by the total credit hours to get the GPA:
    • GPA = 29.09≈3.22929.0​≈3.22

This calculation shows that the student has a GPA of approximately 3.22.

Information Table

CourseGrade (Points)Credit HoursQuality Points
1B (3.0)39.0
2A (4.0)416.0
3C (2.0)24.0


The Brophy GPA Calculator is an indispensable tool for students, providing a clear and precise measure of academic achievement. By considering both the grade and the credit hours of courses, it offers a balanced view of a student's performance. This tool can aid students in planning their studies and goals more effectively, ensuring they understand the impact of each course on their overall academic profile.

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