Enter your current course grade, your goal, and the exam weight. See the minimum score you need — or if your goal is achievable.
Wondering what score you need on your final exam to pass your class or achieve your target grade? Our finals calculator takes the guesswork out of exam preparation. Simply enter your current grade, your desired final grade, and how much the final exam is worth — the calculator instantly tells you the minimum score needed to reach your goal.
Unlike generic final grade calculators, ours works for any weighting system and shows you immediately whether your target is achievable. If the required score exceeds 100%, you will know it is mathematically impossible — helping you focus on extra credit or speaking with your teacher instead of stressing over an unreachable number. Also try our final grade calculator for weighted multi-component courses, or our GPA calculator to see how this grade affects your overall GPA.
The formula used by this calculator is:
Required Final Score = (Desired Grade − (1 − Final Weight) × Current Grade) ÷ Final Weight
All values are expressed as decimals (e.g., 85% = 0.85, 35% weight = 0.35).
Suppose your current grade is 85%, you want to finish with a 90%, and the final exam is worth 35% of your grade:
Calculation: Required Score = (90 − (1 − 0.35) × 85) ÷ 0.35 = (90 − 55.25) ÷ 0.35 = 34.75 ÷ 0.35 ≈ 99.3%
You would need approximately 99.3% on the final exam to raise your grade from 85% to 90%. Since this is extremely difficult, you might consider extra credit opportunities or adjusting your goal. Use our final grade calculator to explore "what-if" scenarios with different target grades.
If the calculator shows you need more than 100%, it means your target grade is mathematically impossible given your current grade and the exam weight. Do not panic — here are your options:
Enter your current grade, desired final grade, and the exam weight from your syllabus. The calculator determines the minimum score needed. If the target is impossible, it shows the best achievable grade.
Calculate each part separately if they have different weights, or combine them into one weighted average first. Enter the combined score requirement as your target.
As accurate as the data you enter. Double-check your syllabus for exact weight percentages and your current grade from your school portal or teacher. Small input errors can change the result significantly.
Start studying early, focus on high-weight topics, review past exams, attend review sessions, form study groups, and talk to your teacher about extra credit opportunities. Every point counts.
If this tool does not work properly or results differ from expectations, contact us to report the issue. We are happy to help.