Grade Calculator

Calculate your weighted average or points-based grade instantly. Three levels — from a quick check to a full gradebook with statistics.

Assignment NameScore (%)Weight (%)
Weighted Average Grade
89.10%
Letter Grade: B+
Total Weight
100.0%
Assignments
5
Letter Grade
B+

How to Use This Calculator

Enter each assignment or category with its score and weight above. Your weighted grade updates instantly. Use the Points tab when your class adds up raw points rather than percentages.

The Advanced tier below adds category tracking with bar charts, class-type presets (heavy exam weight, project-based, lab courses), and a grade target planner that tells you exactly what average you need on remaining work. The Professional tier gives you a full gradebook with per-assignment breakdown, statistical analysis, multi-class GPA tracking, and a custom grade scale editor.

Advanced Category Tracker & Grade Target Bar charts, class presets & what-if scenarios
CategoryScore (%)Weight (%)
Score by Category
025507510088Homework79Midterm …85Quizzes94Lab Work82Final Ex…
Weighted Course Grade
84.70%
Letter Grade: B
Homework
88%
20% weight
Midterm Exam
79%
25% weight
Quizzes
85%
15% weight
Lab Work
94%
15% weight
Final Exam
82%
25% weight

Weighted Average Formula

The weighted average assigns more influence to high-weight items like a final exam than to a daily quiz.

Weighted Grade = ∑(Score × Weight) ÷ ∑(Weight)
Example: (88×0.20 + 79×0.25 + 85×0.15 + 94×0.15 + 82×0.25) ÷ 1.00 = 84.45%

Grade Target Formula

To find the score needed on remaining work to hit a target grade:

Needed = (Target × TotalWeight − CompletedPoints) ÷ RemainingWeight
Example: Target 90%, completed 75% of weight at 84% avg, 25% remaining
Needed = (90 × 100 − 84 × 75) ÷ 25 = (9000 − 6300) ÷ 25 = 108% (need extra credit!)
Professional Full Gradebook & Analysis Per-assignment breakdown, statistics & multi-class GPA
AssignmentCategoryEarnedPossible%Weight
90.0%%
96.0%%
90.0%%
85.0%%
93.3%%
90.0%%
82.0%%
88.0%%
Course Grade
87.68%
B+
Points Grade
88.25%
Total Earned
353.0
Total Possible
400.0

Frequently Asked Questions

The calculator divides by the actual total weight, but shows a warning. You've likely missed a category or made a typo. Check your syllabus and adjust until the total reads 100%.
Yes. Scores above 100 are accepted and will raise your weighted average above 100% when applicable, reflecting the extra credit bonus.
If your syllabus says "exams count 40% of your grade," use Weighted Average. If the professor just totals every point earned at the end, use Points. When in doubt, ask your professor or check the syllabus carefully.
Missing assignments entered as 0 will lower your average significantly depending on their weight. In the Grade Target tab, leave a category blank to see what you'd need on it to still hit your target.
Standard deviation (in the Professional tier) measures how consistent your scores are. A low value means you perform similarly across assignments. A high value means some scores are much higher or lower than others — which might signal one area to focus on.

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