Final Grade Calculator
Compute your overall course percentage from comma-separated assignment grades and their matching weights — Exam Heavy presets included. Numbers never leave your device — every calculation runs locally in your browser.
How to Use the Final Grade Calculator
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Frequently Asked Questions
Can it tell me what I need on the final?
No — there is no target-grade solver here. To plan, add a guessed final-exam grade and its weight to both lists and read the new average; repeat with higher guesses until the average clears your target.
How do dropped lowest scores work?
They don't — every grade you type is averaged with its own weight. Delete dropped quizzes from both lists yourself before reading the result.
Weighted vs points-based grading?
This tool is weighted: each grade pairs with its own % weight and the total is normalized by the weight sum. For points systems, convert each assignment to a percentage first, giving weights proportional to course points.
Can extra credit save me?
Math, not hope: add it as one more grade-and-weight pair and watch the average move. A small weight means a small effect — exactly what the normalization shows.
Is my grade data stored?
No. All calculations run locally in your browser. No grades leave your device.
What grade do the default lists give?
Grades 85, 90, 78 weighted 20/30/50 give 17 + 27 + 39 = 83.0%. Weights are normalized by their sum, so they don’t need to total 100 — and the headline turns red below 70%.
Related Calculator Tools
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Convert a single course percentage into its letter grade on the built-in plus/minus scale — see that an 85 earns a B instantly. Free, local, no signup.
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Compute semester GPA from course grades and credit hours with credit-weighted math on the standard 4.0 scale — quick academic snapshot. See what straight B's earn — free, local, no signup.
Last updated October 2026