محاسبة متوسط الدرجات المُوزَّن
مرشد
محاسبة متوسط الدرجات المُوزَّن
The Weighted Grade Average Calculator turns a list of assignments into a single number you can act on. Enter each assignment with its score, max points and weight as a percentage of your final mark, and the tool returns your current weighted grade, the matching letter grade and a what-if solver that tells you exactly what score you still need on remaining work to hit a target.
It is built for students who run grade scenarios constantly — before a midterm, after a missed assignment, the night before finals — and need a deterministic answer rather than a chatbot guess that drifts from one prompt to the next.
كيفية استخدام
- Pick a letter grade scale: Standard (A 90 / B 80 / C 70 / D 60), Plus/Minus (A 93 / A- 90 / B+ 87 …), or Custom Cutoffs to set your own thresholds.
- Fill the assignment list with Name, Score, Max and Weight %. Use the Add Assignment link for extra rows; click the red × to remove one.
- Leave the Score blank on assignments that have not happened yet — those rows count as remaining work.
- Optionally enter a Target Final Grade % to run the what-if solver. The tool reports the uniform score you would need on every remaining assignment to land on that target.
- Save the current state to your browser with the Save link and Load it back next session — nothing leaves the page.
خصائص
- Dynamic assignment table – Add or remove rows freely; results update as you type.
- Weight validation – Warns when weights do not sum to 100% and shows the discrepancy.
- Letter grade mapping – Standard, Plus/Minus or fully custom A/B/C/D cutoffs.
- What-if target solver – Computes the score you need on remaining assignments to hit a target final grade, with achievability checks.
- Final grade projections – Shows your floor (if you zero remaining work) and your ceiling (if you ace it).
- Save and load locally – State persists in your browser; no account, no data leaves your device.
- نسخ النتائج – Plain-text output is one click away for sharing with a study group or tutor.
التعليمات
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What is a weighted grade average?
A weighted grade average multiplies each assignment's score percentage by its weight (its share of the final mark), then sums the results. Heavier-weighted work — like a final exam — moves your grade more than lighter work like a quiz. The formula is grade = Σ((score/max) × weight) when weights total 100%.
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Why must assignment weights add up to 100%?
When weights add up to exactly 100% the weighted sum is already on the 0–100 scale, so the result is your final grade as a percentage. If weights are over or under 100% the calculation must be normalized, and the relative importance of each piece shifts in ways your syllabus did not intend. Most syllabi enforce a 100% total for that reason.
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How does a what-if grade calculation work?
What-if grade math solves the weighted average equation in reverse: given a target final percentage, the known contributions from completed work and the total remaining weight, it isolates the score you need on remaining assignments. If that required score is above 100% the target is mathematically out of reach.
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Why do letter grade cutoffs vary by school?
Letter grade cutoffs are policy choices, not math. A common US scale uses 90/80/70/60 with no pluses or minuses; many universities split each band with plus and minus values (A- at 90, B+ at 87, and so on). Some departments use stricter or more lenient curves. The underlying percentage is the same — only the label changes.
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