Average Grade Calculator

Enter a grade for each assignment, quiz, or test. The calculator adds all the grades and divides by the number of entries to give you a simple arithmetic mean — your average grade.

A simple average treats every entry equally. A weighted average gives different assignments more or less influence based on a weight percentage. Use this page for simple averages; use the weighted grade calculator when your syllabus assigns category weights.

Yes. This calculator accepts letter grades like A, A-, B+, B, and C alongside numeric percentages such as 92 or 84.

Use a simple average when all assignments count equally — for example, a class that takes the mean of all test scores without weighting categories. If your class has homework worth 20%, quizzes worth 30%, and tests worth 50%, use the weighted grade calculator instead.

You can add as many rows as you need. The calculator handles any number of grades and updates the average in real time.

The calculator shows both the numeric average and the corresponding letter grade using a standard scale: 90+ is A range, 80–89 is B range, 70–79 is C range, 60–69 is D range, and below 60 is F.

Yes. Add only the test or quiz scores you want to include and leave everything else out. The average will reflect only the rows you enter.

Focus study time on your weakest topics, not everything equally. Use Testopia to generate targeted quizzes from the material pulling your average down so you practice the right things.