Grade Calculator
Find your grade in a class. Enter the points you earned and the points possible for each assignment, quiz, or test, and see your overall percentage and letter grade.
Your grade
88.9%
Check the highlighted fields to see your result.
- Letter grade
- B+
- Total points
- 160 / 180
Results are estimates for information only and do not constitute financial, medical, or legal advice.
How it works
The calculator adds the points you earned on every row and the points that were possible on every row, then divides one by the other. Because it adds the points first, a big test counts more than a small quiz, just like in most classes that grade by total points. Empty rows are ignored.
The formula
Grade (%) = total points earned ÷ total points possible × 100
Worked example
Four items: 18 of 20, 45 of 50, 88 of 100, and 9 of 10.
- Points earned: 18 + 45 + 88 + 9 = 160.
- Points possible: 20 + 50 + 100 + 10 = 180.
- Grade: 160 ÷ 180 × 100 = 88.9%, which is a B+.
Frequently asked questions
How do I calculate my grade from points?
Add up all the points you earned and all the points that were possible, then divide: points earned ÷ points possible × 100. For example, 160 points out of 180 is 88.9%. This is different from averaging each percentage, which only gives the same result when every item is worth the same.
Can I have more points than possible?
Yes. Extra credit works that way: enter the points you earned even if they are more than the points possible. The total can then go over 100%.
What if some items count more than others?
If your teacher weights categories by percentages, such as homework 20% and exams 50%, use the weighted grade calculator instead. It averages the grades according to those weights.
Is the letter grade official?
No. The calculator shows a common US scale with plus and minus (for example 93% is an A and 90% is an A−). Your school or teacher may use a different scale, so check your syllabus.