Grade Calculator
Calculate your weighted grade average, see letter grades and GPA, and figure out what you need on your final exam.
Assignments
Letter Grade Scale
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Everything you need to know
How the Weighted Grade Calculator Works
Enter each assignment or category (homework, quizzes, midterm, final) along with the grade you received and its weight in the course. The calculator multiplies each grade by its corresponding weight, sums the weighted values, and divides by the total weight to produce your weighted average. Unlike a simple average where every grade counts equally, weighted averaging gives more influence to assignments that count for a larger portion of your course grade.
Understanding the Final Exam Calculator
The final exam calculator answers the question every student asks: "What do I need on my final?" Enter your current grade (the average of all non-final coursework), the final exam's weight as a percentage of your total grade, and the overall course grade you want to achieve. The tool calculates the minimum exam score required. If the result exceeds 100%, it means the desired grade may not be achievable. If the result is zero or negative, you've already secured your desired grade regardless of the final.
Letter Grades and GPA Conversion
The calculator automatically converts your weighted average into the standard US letter grade scale (A+ through F) and the 4.0 GPA scale. This is particularly useful when you need to maintain a minimum GPA for scholarships, honors programs, or graduate school applications. The full letter grade reference table is displayed below the results so you can see exactly where each grade boundary falls.
Tips for Using the Grade Calculator Effectively
- Check your syllabus — verify the exact weight for each grading category. Common splits include homework 20%, quizzes 15%, midterm 25%, and final 40%.
- Enter categories or individual assignments — you can enter broad categories (all homework as one entry) or each individual assignment, whichever is easier.
- Use it for planning — enter projected grades for upcoming assignments to see how different scenarios affect your final grade.
- Track extra credit — if you earned more than 100% on an assignment, the calculator handles grades above 100.
Related Education Tools
Track your study time with the Study Timer, count essay words with the Essay Word Counter, or create study materials using the Flashcard Maker. These tools work together to help you stay organized and improve your academic performance.