The exam grade needed calculator tells you exactly what score you must earn on your final exam to reach your target course grade. Enter your current grade, the weights, and your goal — know your target in seconds.
Current Grade Info
Your grade so far (weighted average of completed work)
What % of total grade coursework counts for
Result
Enter your grades and click Calculate
Grade Scenarios
How to Calculate the Exam Grade Needed
The exam grade needed calculator uses a simple weighted average formula to determine exactly what score you need on your final exam to reach your course grade goal.
The Formula
The calculation is: needed = (target − current × current_weight%) ÷ final_weight%
Example: you have an 82% from coursework that counts for 60% of your grade. The final is worth 40%. You want a B- (80%).
needed = (80 − 82 × 0.60) ÷ 0.40 = (80 − 49.2) ÷ 0.40 = 30.8 ÷ 0.40 = 77%
You need a 77% on the final to end with a B-. That's achievable!
Step 1: Find Your Current Grade
Add up all completed assignments using their weights. For example: homework (20%) at 90% + quizzes (15%) at 85% + midterm (25%) at 78% = 18 + 12.75 + 19.5 = 50.25 points. Divide by total weight so far (60%) to get your current average: 83.75%.
Step 2: Know Your Weights
Check your syllabus for the exact weight of the final exam. Most finals are 25-40% of the total grade. The completed coursework weight is everything else (100% minus the final weight).
What to Do If You Need Over 100%
If the calculator shows a needed score above 100%, that grade is mathematically impossible. Focus on the highest realistic target instead. The grade scenarios table shows what final grade you'll earn at different exam scores — use this to set a realistic study goal rather than hoping for an impossible outcome.
FAQ
Is the Exam Grade Needed Calculator free?
Yes, completely free with no account or signup needed. All calculations happen instantly in your browser.
What is the formula for calculating the grade needed on a final exam?
The formula is: needed score = (target grade − current grade × current weight) ÷ final exam weight. For example: target A (93%), current grade 85%, coursework weight 60%, final weight 40% → needed = (93 − 85 × 0.6) ÷ 0.4 = (93 − 51) ÷ 0.4 = 105%. That means an A is no longer achievable.
What if the needed score is over 100%?
If the calculator shows a needed score above 100%, that grade target is mathematically impossible to achieve. You'll need to adjust your target grade downward. The calculator shows grade scenarios so you can find the highest achievable grade.
Can I add multiple remaining exams or assignments?
Yes, use the multi-component mode to enter multiple remaining assignments or exams, each with their own weight. The calculator handles partial completion and distributes the needed performance across all remaining work.
What grade scale does the calculator use?
The calculator uses the standard US grade scale: A (93-100), A- (90-92), B+ (87-89), B (83-86), B- (80-82), C+ (77-79), C (73-76), C- (70-72), D (60-69), F (below 60). You can also enter any custom numeric target.
How do I find my current weighted grade?
Add up each assignment's score multiplied by its weight: (quiz score × quiz weight) + (midterm score × midterm weight) + ... For example: quiz 88% × 20% + midterm 76% × 40% = 17.6 + 30.4 = 48.0. Divide by total weight so far (60%) to get 80% current grade.