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Grade Calculator — Weighted Course Grades & Final Exam Solver

Calculate your course grade with weighted categories. Find out exactly what score you need on your final exam to get the grade you want.

Concept Fundamentals
84.6%
Current
B
Letter
85.8%
Final Needed

Did our AI summary help? Let us know.

90/80/70/60 = A/B/C/D typical 88% pre-final + 73% final = B+ with 30% final Focus study on high-weight items

Key figures
84.6%
Current
Key figure
B
Letter
Key figure
85.8%
Final Needed
Key figure

Ready to run the numbers?

Why: Weighted grades determine your course outcome. High-weight categories (final, midterm) matter most. A 30% final is worth 3× a 10% quiz.

How: Grade = Σ(score × weight) ÷ Σ(weights). Final needed = (Target × 100 − earned) ÷ finalWeight. 90=A, 80=B, 70=C, 60=D.

90/80/70/60 = A/B/C/D typical88% pre-final + 73% final = B+ with 30% final
Sources:RogerHubPurplemath

Run the calculator when you are ready.

Calculate GradeEnter category scores and weights
📝
POPULAR TOOLUpdated Feb 2026

Grade Calculator — Weighted Course Grades & Final Exam Solver

Calculate your course grade with weighted categories. Find out exactly what score you need on your final exam to get the grade you want.

GPA Calculator →College Value →

📝 Common Scenarios — Click to Load

Calculator Mode

Homework

Quizzes

Midterm Exam

Final Exam

Projects

Participation

grade_analysis.sh
CALCULATED
$ calculate_grade --mode=final_needed --target=85%
Current Grade
84.6%
Letter Grade
B
Need on Final
85.8%
GPA Equivalent
3.0
Achievable?
✅ YES
Strongest
Participation
Weakest
Midterm
Total Weight
100%
Share:
Grade Calculation Results
84.6%
B (3.0 GPA)
📝 Need 85.8% on final⚖️ Final worth 30%
numbervibe.com/calculators/college/grade-calculator

Category Scores

How Your Final Exam Score Affects Your Overall Grade

Grade Weight Distribution

Calculation Breakdown

CATEGORY SCORES
Homework (20% weight)
88%
88 × 20% = 17.6 weighted points
Quizzes (10% weight)
82%
82 × 10% = 8.2 weighted points
Midterm (25% weight)
78%
78 × 25% = 19.5 weighted points
Projects (10% weight)
92%
92 × 10% = 9.2 weighted points
Participation (5% weight)
95%
95 × 5% = 4.8 weighted points
GRADE CALCULATION
Pre-Final Weighted Average
84.6%
Σ(score × weight) ÷ Σ(weights)
RESULTS
CURRENT GRADE
84.6% (B)
GPA Equivalent
3.0/4.0
FINAL EXAM ANALYSIS
Target Grade
85%
Final Exam Weight
30%
GRADE NEEDED ON FINAL
85.8% (B)
(85 × 100 - 5925) ÷ 30
Achievable?
✅ YES
ANALYSIS
Strongest Category
Participation
Weakest Category
Midterm

For educational purposes only — not financial advice. Consult a qualified advisor before making decisions.

💡 Money Facts

90

A cutoff

— Typical

80

B cutoff

— Typical

70

C cutoff

— Typical

1. Key Takeaways

  • • Weighted avg: Σ(score × weight) ÷ Σ(weights)
  • • Final needed = (Target − Earned) ÷ FinalWeight
  • • 90/80/70/60 = A/B/C/D typical
  • • High-weight categories matter most
  • • 88% pre-final + 73% final = B+
  • • Focus study on high-weight items

2. Did You Know?

Weighted avg

Same as S&P 500

88% + 73%

= B+ with 30% final

33%

On probation sometime

23%

More likely to improve if calc

50%

Max final (law school)

60%

Professors offer extra credit

3. How It Works

Grade = Σ(score × weight) ÷ Σ(weights). Final needed = (Target × 100 − earned) ÷ finalWeight. 90=A, 80=B, 70=C, 60=D.

Inputs

Category scores, weights, target grade

Outputs

Current grade, final needed, GPA equivalent

4. Expert Tips

Prioritize weight

30% final = 3× 10% quiz

Buffer zone

92% = room below 90

Ask professor

Extra credit, curve

Cumulative

Review weak topics

5. Comparison Table

FeatureThisRogerHub
6 categories✅❌
Scenario chart✅❌
GPA equiv✅❌
AI advice✅❌

6. FAQ

Weighted grade?

Σ(score × weight) ÷ Σ(weights).

Final needed?

(Target − earned) ÷ finalWeight.

Need >100%?

Extra credit or lower target.

89.5%?

Usually rounds to 90% (A-).

7. Quick Stats

90

A cutoff

80

B cutoff

70

C cutoff

60

D cutoff

8. Sources

RogerHubPurplemath

9. Disclaimer

⚠️ Warning: Estimates. Check syllabus for rounding and policies.

👈 START HERE
⬅️Jump in and explore the concept!
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