Enter Current Grade
Add your current percentage grade before taking the final exam.
Example: 85%
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Free Final Grade Calculator
Final Grade Calculator What Grade Do You Need on Your Final?
Enter your current grade, target course grade and final exam weight to calculate the score you need on your final exam.
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Required Final Score
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Overall Grade
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Achievability Check
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Instant Results
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Weighted Grade
Calculate Your Final Grade
Plan your target or calculate your overall result
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Find the Grade You Need
Enter your current course grade, desired final course grade and the percentage weight of your final exam.
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Your grade before the final exam
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Grade you want in the course
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Percentage of course grade
Final Grade Formula
How the Final Grade Calculator Works
The calculator uses your current course grade, target grade and final exam weighting.
Set Your Target
Enter the overall course percentage you want to achieve.
Example: 90%
Add Final Weight
Enter how much the final exam contributes to your total course grade.
Example: 40%
Mathematics
Final Exam Grade Formula
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Required Final Exam Score
Use this formula when you know your current grade and want to reach a specific target grade.
F = [T − C(1 − w)] ÷ w
F = required final exam score
T = target overall course grade
C = current course grade
w = final exam weight as a decimal
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Overall Course Grade
Use this formula after taking your final exam when you know the score you earned.
G = C(1 − w) + Fw
G = overall course grade
C = current course grade
F = actual final exam score
w = final exam weight as a decimal
Worked Example
What Grade Do I Need on My Final?
Suppose your current grade is 85%, you want a 90% course grade and the final is worth 40%.
Current Grade
85%
Target Grade
90%
Final Weight
40%
Step 1
Convert final weight: 40% = 0.40
Step 2
F = [90 − 85(1 − 0.40)] ÷ 0.40
Step 3
F = [90 − 51] ÷ 0.40
Result
97.50%
You need 97.50% on the final exam to finish the course with a 90% overall grade.
Final Grade Guide
Free Online Final Grade Calculator
Our free final grade calculator helps students determine what percentage score they need on a final exam to achieve a desired overall course grade. Enter your current grade, target grade and final exam weight to get an instant estimate.
The calculator can also estimate your overall course grade after you have completed the final exam. Simply switch to the overall grade mode and enter your actual final exam score.
What Is a Final Grade Calculator?
A final grade calculator is an educational tool that uses weighted grade mathematics to estimate the score required on a final exam. It is useful when your final exam contributes a known percentage to your total course result.
What Grade Do I Need on My Final?
The answer depends on three values: your current course grade, the overall grade you want to achieve and the percentage weight of the final exam. A heavily weighted final can change your overall course result more than a lightly weighted final.
What Does Final Exam Weight Mean?
Final exam weight is the percentage of your overall course grade contributed by the final exam. For example, if your final is worth 30 percent, the work completed before the final contributes the remaining 70 percent under the standard weighted model used by this calculator.
What If I Need More Than 100%?
If the calculator returns a required score above 100 percent, your target grade is generally not mathematically reachable through the final exam alone under the values entered. Extra credit, grade adjustments or other course policies could change the situation, so check your syllabus.
What If the Required Score Is Below 0%?
A required score of zero or less means the entered target is already mathematically secured under the basic weighted model, even if the final exam score were zero. Course rules may still require attendance or completion of the final.
How Final Exam Weight Affects Your Grade
The greater the final exam weight, the more influence the exam has on your overall course grade. A final worth 40 percent can move your course average substantially, while a final worth 10 percent usually has a smaller effect.
Who Can Use This Calculator?
This tool can be used by school students, college students, university students, teachers, tutors and anyone working with a percentage-based weighted grading system.
Important Academic Note
Results are estimates based on a standard weighted average model. Your official grade may differ because instructors and institutions can use curves, dropped scores, bonus marks, extra credit, minimum exam requirements, rounding policies or other grading rules.
FAQ
Frequently Asked Questions
Enter your current course grade, target overall
grade and final exam weight. The calculator uses
a weighted grade formula to estimate the required score.
A required score above 100% generally means
the target cannot be reached through the final
exam alone under the entered weighting.
Yes. Select the overall grade mode and enter
your current grade, actual final exam score
and final exam weight.
It is the percentage of your total course grade
contributed by the final exam. For example,
a 30% final contributes 30% of the overall grade
under this standard weighted model.
No. The result is an estimate. Official grades
depend on your instructor, syllabus and
institution grading policies.