Final Grade Calculator
Find the exact score you need on your final exam to hit your target course grade.
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To get 85% (B) in this class, you need to score
94.0%
on your final exam
Very challenging
What different final scores mean for your grade
| Final Score | Final Course Grade | Letter |
|---|---|---|
| 100% | 86.5% | B |
| 95% | 85.3% | B |
| 90% | 84.0% | B |
| 85% | 82.8% | B- |
| 80% | 81.5% | B- |
| 75% | 80.3% | B- |
| 70% | 79.0% | C+ |
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Formula: needed = (desired − current × (1 − final weight)) ÷ final weight. Example: current 82%, desired 85%, final worth 25% → (85 − 82 × 0.75) ÷ 0.25 = 94%.
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Frequently Asked Questions
Formula: Needed Final Score = (Desired Grade − (Current Grade × Pre-Final Weight)) ÷ Final Exam Weight. Example: current 82%, want 85%, final worth 25%: (85 − (82 × 0.75)) ÷ 0.25 = 94%.
Your target grade is mathematically impossible. Aim for the highest score possible to achieve the next best grade. The score table shows what course grade each possible final score produces so you can set a realistic new target.
Recalculate your current grade after removing the lowest score, then enter that adjusted percentage into the final grade calculator. The result will reflect what you need based on your true current standing after the grade drop applies.
Add extra credit percentage points to your current grade before entering it. If your weighted grade is 83% with 2% extra credit, enter 85%. The calculator then computes the needed final based on your true standing including extra credit.
Final exams typically range from 15% to 40% of a course grade. Introductory lecture courses commonly weight finals at 25-35%. Professional and graduate-level courses sometimes reach 40-50%. Higher final weight means the exam can change your course grade significantly in either direction.
Enter your current percentage as the desired grade to see what final score maintains it. For safety, enter your current percentage minus 0.5% to build in a buffer — especially important if your grade sits right at a letter grade threshold.
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