Final Grade Calculator

Enter your current course grade, the weight of the final exam, and your target grade to find exactly what score you need on the final.

What Does This Tool Do?

Find the exact minimum score you need on your final exam to hit your target course grade. The calculator also tells you if the target is mathematically impossible.

Key Features

🎯
Exact Score
The minimum final exam percentage you need.
⚠️
Achievability Check
Tells you if the target is impossible even with 100%.
📐
Formula Shown
Full calculation with substituted values.
Instant
Answer immediately.

How to Use

  1. Enter your current grade (before the final exam).
  2. Enter the percentage weight of the final exam.
  3. Enter your desired target course grade.
  4. Click Calculate Required Score.

Frequently Asked Questions

What is the formula?
Required Final Score = (Target − Current × (1 − weight)) / weight. Where weight is expressed as a decimal (e.g. 40% = 0.40).
What if the required score is over 100%?
Your target grade is not achievable even with a perfect final. You'll need to lower your target or explore extra credit options.
What if the required score is negative?
Congratulations — you've already secured your target grade regardless of the final exam result.