Weighted Grade Calculator
Calculate your overall course grade from assignments, exams and projects with different weights. Add rows, enter score and weight, and get your weighted average and letter grade.
Last reviewed by the Radiatus Cloud team
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Calculate your weighted course grade
Course grades usually combine assignments, exams and projects that count for different amounts, and a simple average gets the wrong answer. This calculator computes your overall grade from those components with their different weights, so you know where you actually stand.
Why the weights change everything
If exams are worth half your grade and homework a tenth, a great homework score barely moves your standing while an exam score moves it a lot. A plain average of your marks ignores this and misleads you about your position. Applying each component’s weight gives the true overall grade, which is what tells you whether you are on track and where your remaining effort will have the most effect.
Know where you stand
Everything runs in your browser, so nothing you enter is uploaded and the tool works without an account. That keeps your study material and notes private on your own machine while you learn.
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Frequently Asked Questions
How is a weighted grade calculated?
By multiplying each component’s score by its weight and summing them, so components that count for more contribute more to the overall grade.
Why not just average my marks?
Because components count for different amounts. A plain average treats a small homework and a major exam equally, which misrepresents your standing.
How does it help me plan?
By showing where your effort has the most effect: improving a heavily-weighted component moves your grade far more than a lightly-weighted one.
What components can it handle?
Assignments, exams, projects and any other graded components, each with its own weight toward the final grade.
Is my data uploaded?
No. The calculation runs entirely in your browser.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
How to Use
Add rows for each component with its score (%) and weight (%). The weighted grade updates live.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.