Test Grade Calculator
Enter the number of questions and how many you answered correctly to calculate your score, percentage, and letter grade
Test Grade Calculator
Enter points earned and total points to calculate your percentage and letter grade.
About the Test Grade Calculator
The Test Grade Calculator helps you instantly determine your exam results by calculating your percentage score and letter grade based on the number of total questions and how many you answered correctly. It supports both a standard A–F grading scale and fully customizable grade boundaries, making it useful for students, teachers, and anyone needing fast and accurate score evaluation.
What You Can Calculate
- Percentage Score: Automatically computed using (correct ÷ total) × 100.
- Letter Grade: Assigned using either the default A+ to F scale or your own custom grade scale.
- Correct & Incorrect Breakdown: Displays both how many questions you answered correctly and how many were missed.
- Custom Grading Options: Create your own grade cutoffs for A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D−, and F.
Formulas Used in the Calculator
The grade calculator uses simple and reliable math to determine your final exam score:
- Percentage Score Formula: (Correct Answers ÷ Total Questions) × 100
- Letter Grade Assignment: Compares your percentage to the selected grading scale thresholds
- Incorrect Answers: Total Questions − Correct Answers
How to Use the Calculator
- Enter the total number of questions on your test.
- Enter how many questions you answered correctly.
- Choose either the default grade scale or set your own custom scale.
- Your percentage score, letter grade, and breakdown are displayed instantly.
Why This Test Grade Calculator Is Useful
Accurate grading is important for students reviewing their exam performance, teachers evaluating assignments, and parents tracking academic progress. This tool eliminates manual calculations, provides immediate results, and supports customizable grading systems used in schools, colleges, and homeschooling environments. Whether you’re calculating a quiz score, exam grade, or academic percentage, this calculator ensures speed, accuracy, and consistency.