GPA Calculator

Calculate your weighted or unweighted grade point average from your courses, credits, and grades. Supports the 4.0 scale, letter grades, and percentage conversion. Your data is saved automatically in your browser.

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How It Works

Your grade point average (GPA) is the credit-weighted average of the grade points earned in each course. For every course, the letter grade (or percentage) is converted to grade points on a 4.0 scale, multiplied by the course's credit hours, and the total is divided by the number of credits:

GPA = Σ (grade points × credits) ÷ Σ credits

• Unweighted GPA — Every course is graded on the same 0–4.0 scale regardless of difficulty.
• Weighted GPA — Honors courses add 0.5 and AP / IB courses add 1.0 grade point (up to a 5.0 maximum), rewarding harder classes. Toggle Weighted GPA and pick a course type per row.
• Percentage conversion — Switch to Percent mode to enter numeric scores; the approximate percentage for your overall GPA is also shown.
• Automatic saving — Courses are stored in your browser's localStorage, so they persist when you return. Nothing is sent to a server.

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Grade Scale Reference

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