How this calculation works
The Final Exam Target Score Calculator determines the exact percentage you must score on your final exam to achieve your desired course grade.
Mathematical formula and logic
Required Score = [Target Grade - (Current Grade × (1 - Final Weight / 100))] / (Final Weight / 100).
Worked example
If your current grade is 82%, your target grade is 85% (B+), and the final exam is worth 25% of your total grade: You need a 94.00% on the final exam to secure your target 85% overall grade.
Calculation assumptions
- Course grading follows a standard weighted syllabus rubric.
- All prior assignments and midterms are accounted for in current grade.
Frequently asked questions
What if the required score is over 100%?
If the calculator output exceeds 100%, achieving your desired grade is mathematically impossible without extra credit opportunities.
What if the required score is negative or 0%?
If the score is 0% or negative, you have already mathematically secured your target grade regardless of your performance on the final exam (assuming no mandatory minimum final policy).
How do weighted grades work?
In weighted grading, each category (e.g. Homework 20%, Midterms 40%, Final 40%) contributes a set proportion to your final 100% grade.
How can I calculate what I need to just pass (e.g. 70% C)?
Enter 70% as your Desired Final Grade, your current grade, and your final exam weight. The tool will calculate the minimum passing final score.
Does rounding apply to final course grades?
Many instructors round up grades at 0.5% (e.g. 89.5% rounds to 90% A), but verify your specific professor's syllabus policy.