Easy Grader
Enter the total number of questions to generate a quick score chart showing how many answers can be wrong for each percentage and letter grade.
Uses A = 90%, B = 80%, C = 70%, D = 60%, and F below 60%. Your school or instructor may use different grading cutoffs.
Easy Grade Calculator
Choose the number of questions on the test. The chart updates automatically.
Enter a whole number from 1 to 500.
| Wrong | Right | Score | Grade |
|---|
What is an easy grader?
An easy grader is a score chart that saves you from calculating each test percentage by hand. Enter the total number of questions and the chart shows the score for every possible number of correct and incorrect answers.
How to calculate a test percentage
The basic formula is:
For example, if a test has 20 questions and a student gets 17 correct, the score is 85%. Under the grading scale used on this page, that corresponds to a B.
How to use the quick grade chart
- Enter the total number of questions.
- Find the number of answers that were wrong.
- Read across the row to see the number right, percentage, and letter grade.
Related Grade Calculators
Use another calculator when your grading method requires more than a simple test score.
Frequently Asked Questions
What is an easy grader?
An easy grader is a score chart that shows the percentage and letter grade for each possible number of correct or incorrect answers on a test.
How does this easy grader calculate a score?
It calculates the percentage from correct answers divided by total questions, then applies the A–F cutoffs displayed above.
Can I use a different grading scale?
The current calculator uses the displayed A–F cutoffs. If your instructor uses different cutoffs, use those rules rather than assuming this scale applies.
Can I use this on a phone?
Yes. The page is responsive and the chart can be scrolled horizontally on smaller screens if needed.