This final grade calculator will calculate the grade percentage that you need on your final exam to get the desired grade in the course.
This is a basic and advanced grade calculator with additional features, including a final grade calculator that displays points and weighted percentages.
Most class grades are made up of several categories: homework, classwork, tests and quizzes, and the final exam. Usually, each category is worth a percentage of your overall grade. This calculator uses the formula:
The calculator scales your current grade to account for the final exam weight and determines what score you need to achieve your desired grade.
Table of Contents:
What the Final Grade Calculator Does
The Final Grade Calculator is a grade prediction tool that helps students answer the most common question during finals week: “What score do I need on my final exam to get the grade I want in this class?”. Instead of performing complex math calculations by hand, students can obtain instant, accurate answers in seconds.
The weighted average formula for the final grade calculation is: Final Grade = (Current Work × Current Weight) + (Final Exam × Final Weight), where weights are as decimals (25% = 0.25)
How to Use the Final Exam Grade Calculator
First, you need to choose your final exam grade calculator mode.
The three modes are as follows:
- Basic Calculator – This is the most basic and commonly used
- Advanced Mode – This is used for complex grade calculations
- Reverse Calculator – This is used in case you have already taken your final exam
Basic Calculator
When to use this: You’ve completed most of the coursework, and only the final exam remains.
FORMULA:
Required Final Score = (Desired Grade - Current Grade × (100 - Final Weight)) / Final Weight
What you need:
- Current Grade (%) – Your grade right now, before the final
- Desired Grade (%) – What grade do you want to end up with
- Final Exam Weight (%) – How much the final counts towards your total grade
Here is a quick example of this:
Current Grade: 87%
Desired Grade: 90%
Final Exam Weight: 25%
Result: “You need to score 99.0% on your final exam”.
Advanced Mode
When to use this mode: When you still have assignments due before finals or extra credit opportunities.
FORMULA:
Required Final Score = (Adjusted Desired - Current Contribution - Remaining Contribution) / Final Weight × 100
What you need:
- Details required in basic mode + the following details:
- Remaining Coursework Weight (%) – Homework/projects still due
- Extra Credit checkbox – Check if you have extra credit available
- Extra Credit Points – How many bonus points can you earn
Example:
Current Grade: 82%
Desired Grade: 88%
Final Exam Weight: 30%
Remaining Coursework: 10%
Extra Credit: ✓ (3 points)
Result: “You need to score 86.0% on your final exam (assuming 100% on remaining coursework) with 3 points extra credit”.
Reverse Calculator
When to use: You’ve already taken your final and want to know your overall grade.
FORMULA:
Overall Grade = Current Grade × (100 - Final Weight)/100 + Final Score × Final Weight/100
What you need:
- Current Grade (%) – Your grade before the final exam
- Final Exam Score (%) – What you scored on the final exam
- Final Exam Weight (%) – How much the final counts
Example:
Current Grade: 85%
Final Exam Score: 92%
Final Exam Weight: 25%
Result: “Your overall grade will be 86.8%”.





