Final Grade Calculator: Find What You Need on Your Final Exam
A free grade calculator that tells you exactly what score you need on your final exam — or works out your current grade average in seconds.
How Your Final Grade Is Calculated
How to Calculate the Grade You Need on Your Final Exam
Your final exam is only one part of your course grade, so the score you need depends on three things: your current grade, how much the final exam is worth, and the overall grade you want to finish with.
A final grade calculator works backwards from your target. Instead of guessing how well you need to perform on the exam, you can enter your current course grade and final exam weight to see the required exam score.
This is useful whether you are trying to pass a course, keep a certain letter grade, or find out whether an A is still within reach.
The Formula
Final Grade Calculator Formula
The calculation uses a weighted average. Your current grade represents the completed part of the course, while your final exam contributes the remaining percentage.
(Target Grade − Current Grade × (1 − Final Exam Weight)) ÷ Final Exam Weight
The final exam weight is entered as a percentage in the calculator, such as 30%. In the formula, that 30% is represented as 0.30, while the remaining 70% is represented as 0.70.
Step by Step
What Numbers Do You Need?
Current grade
Enter the grade you currently have before the final exam. For example, if your gradebook shows an 82% average, enter 82.
Final exam weight
Check your syllabus or course gradebook to find out what percentage of your final course grade comes from the final exam.
Target grade
Enter the overall course grade you want to finish with. The calculator will work out the final exam score required to reach it.
Worked Example
Example: What Do You Need on a 30% Final?
Imagine you currently have an 82% course grade. Your final exam is worth 30% of the course, and you want to finish with an 85%.
Your numbers
Calculation
85 − 57.4 = 27.6
27.6 ÷ 0.30 = 92
Before You Calculate
How to Find Your Current Course Grade
Check your gradebook first
Your current grade should represent the work that has already been completed and graded. Depending on your course, this might include assignments, quizzes, labs, projects, midterms, and other assessments.
If your learning platform already shows a weighted course percentage, that is usually the number you should use as your current grade.
Check how your course is weighted
Do not assume that every course calculates grades in exactly the same way. Look at your syllabus or official gradebook to confirm the final exam percentage.
Some courses also use dropped assignments, grade replacement, curves, or other rules that a simple weighted calculation does not account for.
Plan Your Result
Can You Still Get the Grade You Want?
The easiest way to find out is to enter your target grade into the calculator. You can use the same calculation for different goals.
Trying to pass?
Enter the minimum overall percentage required to pass your course as your target grade. The calculator will show the final exam score you need based on your current grade and exam weight.
Trying to get an A?
Enter the percentage required for an A at your school as your target. If the result is above 100%, that target cannot be reached through the final exam alone with the numbers you entered.
Understand the Weight
How Much Can a Final Exam Change Your Grade?
The final exam has more influence when it represents a larger percentage of your course grade. A 10% final and a 40% final can produce very different results even when your exam score is the same.
For example, if your current grade is already high, a final worth only 10% may not change your overall percentage very much. But when the final represents 30% or 40% of the course, your exam performance can have a much larger effect on the final result.
This is why the final exam weight is one of the most important numbers to check before calculating the score you need.
Grade Reference
Percentage to Letter Grade
If you know the percentage you want, you may also want to know the corresponding letter grade. The following ranges are a general Canadian university reference and are not a universal grading scale.
| Letter Grade | Percentage |
|---|---|
| A+ | 90–100% |
| A | 85–89% |
| A− | 80–84% |
| B+ | 77–79% |
| B | 73–76% |
| B− | 70–72% |
| C+ | 67–69% |
| C | 63–66% |
| C− | 60–62% |
| D+ | 57–59% |
| D | 53–56% |
| D− | 50–52% |
| F | 0–49% |
Always check your college or university's official grading policy because percentage ranges and letter-grade requirements can vary.
What if I get a ___ on my next assignment?
See exactly how one more test or assignment will move your overall grade average — before you even take it.
Frequently Asked Questions
Final Grade Calculator FAQ
Find quick answers to common questions about calculating the grade you need on your final exam, using your current grade, and understanding weighted course grades.
What grade do I need on my final exam?
Your required final exam score depends on your current grade, the percentage your final exam is worth, and the overall course grade you want to finish with. Enter these three values into the calculator to find the score you need.
How does a final grade calculator work?
A final grade calculator uses a weighted-grade formula. Your current grade represents the portion of the course you have already completed, while your final exam contributes the remaining weighted percentage. The calculator works backwards from your target grade to find the required exam score.
What if I need more than 100% on my final exam?
If the calculator shows that you need more than 100%, your target overall grade cannot be reached through the final exam alone based on the numbers entered. Check your current grade, final exam weight, and target grade to make sure they are correct.
Can I still get an A in my course?
You can use the calculator to find out. Enter the percentage required for an A at your school as your target grade. The calculator will show the final exam score you need to reach that overall percentage.
Can I use the calculator to find the grade I need to pass?
Yes. Enter the minimum passing percentage for your course as the target grade. The calculator will determine approximately what score you need on the final exam to reach that target.
What if my final exam is worth 30% of my course?
Enter 30% as the final exam weight. The calculation will treat the remaining 70% as the portion of the course represented by your current grade.
Is my current grade the same as my final grade?
No. Your current grade represents the work that has already been completed and graded. Your final grade includes the final exam and any other remaining assessments according to your course's grading system.
How do I calculate my current course grade?
If your school provides a weighted percentage in your online gradebook, you can generally use that as your current grade. If you need to calculate it yourself, check the weights assigned to your completed assignments, tests, projects, and other assessments in your syllabus.
Can I use this calculator for college and university courses?
Yes, when your course uses a standard weighted grading system and you know your current grade and final exam weight. Courses that use curves, dropped grades, replacement exams, or other special grading rules may require a different calculation.
Can I use this as a midterm grade calculator?
The same weighted-grade concept can apply when a midterm is a defined percentage of your course. For a dedicated calculation, you can also use our Midterm Grade Calculator.
Does a final grade calculator calculate GPA?
No. Your final course grade and GPA are calculated differently. A GPA calculation normally uses your course grades and credit values. To calculate your GPA, use our GPA Calculator.
Does the final exam weight really matter?
Yes. The final exam weight determines how much your exam score can affect your overall course grade. A final worth 40% has a much larger impact on your final grade than an exam worth 10%.