Purdue Gpa Calculator
Calculate your Purdue GPA based on credit hours and letter grades. Supports standard Purdue grading scale.
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How to use this tool?
How to Use the Purdue GPA Calculator
- Add a course — Click Add Course to create a new row. Each row represents one course.
- Enter course details (optional): Type a course name (e.g., MA 161).
- Enter credit hours — Use a positive number (e.g., 3, 1.5). Supports half credits.
- Select your grade — Choose from A+ through F. The calculator uses Purdue’s 4.0 scale (e.g., A = 4.0, A- = 3.7, B+ = 3.3, etc.).
- Remove a course — Click the trash icon next to any row to delete it.
- Calculate your GPA — Click Calculate GPA. The result appears in large green text, with a detailed breakdown below.
- Clear all — Click Clear All to reset the calculator to one empty row.
Note: All credit hours must be greater than zero. If you see an error, check that each course has a valid number entered.
Previous Results
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Frequently Asked Questions
GPA is calculated by dividing total quality points (sum of credit hours multiplied by grade points) by total credit hours attempted. Purdue uses a 4.0 scale.
It supports A+ through F, including plus/minus grades, following the Purdue standard scale.
Yes, you can add all courses from different semesters. The calculator will compute the cumulative GPA.