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


Formulas Used in the Calculator

The grade calculator uses simple and reliable math to determine your final exam score:


How to Use the Calculator

  1. Enter the total number of questions on your test.
  2. Enter how many questions you answered correctly.
  3. Choose either the default grade scale or set your own custom scale.
  4. 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.