Quiz Grade Calculator
Quiz Grade Calculator
Enter questions + answers — get your grade & full score table instantly
Enter each quiz with correct answers and total questions. The calculator shows a per-quiz grade and your overall average.
Enter total questions to generate a complete grading table — shows the grade for every possible number of wrong answers. Perfect for teachers grading a stack of quizzes.
How to Calculate Quiz Grade
To calculate your quiz grade, you need to know the earned points and total points possible.
Steps to calculate quiz grade
- Enter the earned points or correct answers.
- Enter the total number of questions or points possible.
- Divide the earned points by total points.
- Convert the result into a percentage grade.
A quiz grade calculator performs this grade calculation automatically, helping students quickly find their quiz percentage and letter grade.
Quiz Grade Formula
The standard grade calculation formula is:
Quiz Grade=Points PossiblePoints Earned×100
Where:
- Points Earned = correct answers or earned points
- Points Possible = total number of quiz questions
This formula determines the quiz percentage score.
Example Quiz Grade Calculation
Here is a simple quiz grade example.
| Quiz | Points Earned | Points Possible |
|---|---|---|
| Math Quiz | 17 | 20 |
Step 1: Divide points
17 ÷ 20 = 0.85
Step 2: Convert to percentage
0.85 × 100 = 85%
The student’s quiz grade is 85%.
Quiz Grade to Letter Grade Scale
Most schools use a grading scale to convert percentage grades into letter grades.
| Percentage | Letter Grade | Grade Points |
|---|---|---|
| 97–100 | A+ | 4.0 |
| 93–96 | A | 4.0 |
| 90–92 | A- | 3.7 |
| 87–89 | B+ | 3.3 |
| 83–86 | B | 3.0 |
| 80–82 | B- | 2.7 |
| 77–79 | C+ | 2.3 |
| 73–76 | C | 2.0 |
| 70–72 | C- | 1.7 |
| 67–69 | D+ | 1.3 |
| 63–66 | D | 1.0 |
| 60–62 | D- | 0.7 |
| Below 60 | F | 0.0 |
Want to convert scores directly? Use our letter grade calculator or grade percentage calculator for instant results.
How Quiz Grades Affect Final Grade
Quiz grades often contribute to the overall grade in a class depending on the grading system and weight assigned to quizzes.
For example:
| Category | Weight |
|---|---|
| Homework | 20% |
| Quizzes | 20% |
| Tests | 30% |
| Final Exam | 30% |
A strong quiz score can help improve a student’s final grade, especially when quizzes make up a significant portion of the weighted averages.
Frequently Asked Questions
A quiz grade calculator helps students calculate the grade they earned on a quiz by using the number of correct answers or points earned compared with the total number of questions.
To calculate your quiz grade, divide the points you earned by the total points possible and multiply the result by 100 to get the percentage grade.
Yes. Most quiz grade calculators convert your percentage score into a letter grade using a standard grading scale such as A, B, C, D, or F.
Yes. Many teachers include quizzes as part of the grading system, and quiz scores can contribute to the overall grade depending on the assigned weight.
Yes. This calculator can also be used to estimate test grades, exam scores, or assignment grades if you know the points earned and total points possible.
Yes. The quiz grade calculator is completely free and allows students to quickly determine their quiz percentage and letter grade.
Yes. The calculator works on smartphones, tablets, and desktop devices so students can check their quiz grades anytime.