Calculate exactly what score you need on your final exam to achieve your desired course grade. Enter your current grade, target grade, and final exam weight to get the score you need to aim for. Perfect for students preparing for finals!
This calculator helps you determine the minimum score you need on your final exam to achieve a target grade in your course. It takes into account your current grade, the weight of your final exam, and your desired final grade.
Example:
Current Grade: 85%
Desired Grade: 90%
Exam Weight: 30% (0.30)
Required Score = (90 - (85 × 0.70)) ÷ 0.30
Required Score = (90 - 59.5) ÷ 0.30
Required Score = 30.5 ÷ 0.30 = 101.67%
In this example, you would need to score 101.67% on the final exam to reach a 90% course grade — which is impossible. This means you cannot achieve your desired grade even with a perfect score on the final.
What if the calculator shows I need more than 100%?
If the required score exceeds 100%, it means you cannot achieve your desired grade even with a perfect score on the final exam. Consider recalculating with a lower desired grade.
What if the calculator shows I need less than 0%?
A negative required score means you've already secured your desired grade regardless of your final exam performance. Congratulations!
How accurate is this calculator?
The calculation is mathematically exact based on the inputs you provide. However, make sure your current grade accurately reflects all completed coursework, and confirm the exam weight with your syllabus.
Can I use this for courses with multiple grading components?
Yes! Simply calculate your current grade by weighting all completed assignments, tests, and quizzes according to their syllabus weights, then use that as your "Current Grade."
What if my final exam has a different grading scale?
This calculator assumes all grades are on a 0-100% scale. If your exam uses a different scale (e.g., 0-50 points), convert your scores to percentages first.
How do I calculate my current grade with weighted assignments?
Current Grade = (Grade₁ × Weight₁ + Grade₂ × Weight₂ + ...) ÷ Total Weight of Completed Work
💡 Pro Tip: Use this calculator early in the semester to set realistic grade goals. If you see you need an impossible score on the final, you can adjust your study strategy or speak with your instructor about extra credit opportunities.