Final Grade Calculator
Determine exactly what score you need on your final exam to reach your target course grade. Features a scenario table and Impossible Score warnings.
About
Academic planning requires foresight. This tool solves the anxiety-inducing question: "What do I need on the final to pass?" By inputting your current standing and the weighted value of the final exam, it calculates the precise threshold required. Unlike basic calculators, this tool generates a full scenario matrix (A, B, C, D) and persists your data locally, allowing you to return and adjust values as you receive new grades throughout the semester.
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Formulas
The required final score F is determined by the Current Grade C, Target Grade T, and the Final Exam Weight w (decimal).
F = T − C × (1 − w)w
Reference Data
| Desired Grade | Required Final Score | Feasibility |
|---|---|---|
| A (90%) | 96% | Hard |
| B (80%) | 72% | Safe |
| C (70%) | 48% | Easy |
Frequently Asked Questions
If the calculator outputs a number greater than 100% (e.g., 105%), it is mathematically impossible to achieve that grade without extra credit. You should adjust your Target Grade to a more realistic goal.
Your current grade is the weighted average of all assignments completed so far. You can sum (Grade × Weight) for all completed items and divide by the total weight completed.
Yes. It uses LocalStorage to remember your last inputs, so you don't have to re-enter your current grade every time you check before the exam.