Weighted Grade Calculator
Calculate your course grade from assignment, quiz and exam scores and their weights.
Step-by-step working
- ÎŁ(score Ă— weight) = 88Ă—20 + 92Ă—30 + 75Ă—50 = 8270
- Ă· ÎŁ weight 100 = 82.7%
Mathematical Formula
Overview & Explanation
Most syllabi weight categories differently; the course grade is the weighted mean.
How It Works
- Multiply each score by its weight.
- Add them.
- Divide by total weight (normalises if weights don’t sum to 100).
Practical Applications
- Tracking your grade mid-semester.
- Teachers computing final marks.
Example 1: 88, 92, 75 at 20/30/50
Three categories.
Inputs
Scores (%) – comma separated: 88, 92, 75 · Weights (%) – same order: 20, 30, 50
Step 1
ÎŁ(score Ă— weight) = 88Ă—20 + 92Ă—30 + 75Ă—50 = 8270
Step 2
Ă· ÎŁ weight 100 = 82.7%
Weighted grade
Result
Example 2: partial semester
Only 60% weight graded.
Inputs
Scores (%) – comma separated: 90, 80 · Weights (%) – same order: 25, 35
Step 1
ÎŁ(score Ă— weight) = 90Ă—25 + 80Ă—35 = 5050
Step 2
Ă· ÎŁ weight 60 = 84.17%
Weighted grade
Result
How it's calculated & sources
Grade = Σ(scoreᵢ × weightᵢ) / Σ weightᵢ.
Frequently Asked Questions
What if weights don’t add to 100?
Points-based classes?
What score do I need on the final?
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