Grade Calculator
Weighted grade with letter equivalent.
Amortization schedule
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Showing first 12 of months.
Growth over time
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Introduction
Grade Calculator — Weighted grade with letter equivalent. Enter Score,Weight per line to get an instant, accurate result.
Formula
Final grade = Σ(score × weight) / Σ(weight), a weighted average across your graded components.
Step-by-step
- Enter the Score,Weight per line.
- Click Calculate to see your result instantly.
Real-world example
Example: With the defaults shown above, the Grade Calculator gives Final Pct: 83.7, Letter: B, Weight Total: 100.
Frequently Asked Questions
What should the weights add up to?
Typically 100 (as percentages), but the formula works with any consistent weighting scheme since it normalizes by the total weight.
How is the letter grade determined?
From the cutoffs this calculator uses: A 93+, A- 90+, B+ 87+, B 83+, B- 80+, C+ 77+, C 70+, D 60+, F below 60. Grading scales differ between schools, courses and instructors, so this is not a universal standard - check your own syllabus for the scale that actually applies to you.
What inputs does the Grade Calculator need?
You'll need to provide: Score,Weight per line. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Grade Calculator?
The Grade Calculator applies the formula exactly as calculated — Final grade = Σ(score × weight) / Σ(weight), a weighted average across your graded components. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Grade Calculator free to use?
Yes, the Grade Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Grade Calculator
The Grade Calculator uses a real, verifiable formula — Final grade = Σ(score × weight) / Σ(weight), a weighted average across your graded components. — so results are accurate every time, not an approximation.