Easy Grader

Easy Grader is a free online grading calculator that instantly converts total questions and incorrect answers into a percentage score, accessible on any device without registration.

What is Easy Grader?

Easy Grader (also called an EZ Grader) is a web-based tool for teachers to quickly calculate test scores. It takes two inputs: the total number of questions on a test and the number of incorrect answers (entered via the wrong count input or the +1 button). It outputs the student's percentage score and an optional full grading chart. The tool runs entirely in the browser, works on any device, and is created by ezgrader.co.

Key Features

• Instant grade calculation — Enter total questions and wrong answers; the score updates automatically in real time.
• Quick Chart display — Click the Quick Chart button to view a full table of percentages for every possible number of wrong answers, from 1 to the total questions.
• Mobile-friendly design — The interface works on smartphones, tablets, and laptops without installing an app.
• Keyboard shortcuts — Press “W” to mark a wrong answer and “R” to reset the counter for the next student, speeding up grading of multiple papers.
• Reset and increment buttons — Use the reset button to clear all inputs or the “+1 Wrong” button to quickly add wrong answers as you grade.
• No registration required — The tool is completely free and ready to use immediately with no sign-up.

Who is it for?

• Classroom teachers — Grade quizzes, tests, and exams without manual calculations.
• Tutors — Quickly score practice tests during one-on-one sessions.
• Professors — Handle large numbers of assignments efficiently in higher education.
• Homeschooling parents — Assess their children’s progress on custom tests and worksheets.

What can you do with Easy Grader?

• Grade a stack of papers in minutes — Enter the total questions once, then use the “+1 Wrong” button or press “W” to tally wrong answers per student, instantly seeing each percentage.
• Reference a full grading chart — Click “Show Quick Chart” to see grades for all possible wrong answers, helpful for scanning scores without typing each student’s results.
• Grade on the go — Use the mobile-friendly interface on a phone or tablet while walking through the classroom.

FAQ

Is Easy Grader free?

Yes, Easy Grader is completely free to use online. No registration, subscription, or payment is required.

How does Easy Grader calculate grades?

It subtracts the number of wrong answers from the total questions to get correct answers, divides by total questions, and multiplies by 100 to display a percentage. The grade updates instantly as you adjust the inputs.

Can I use Easy Grader on my phone?

Yes, the tool is designed to work on any device with a web browser, including smartphones and tablets.

What is the Quick Chart?

The Quick Chart shows a full table of percentages for every possible number of wrong answers in your test, allowing you to quickly scan scores without typing each student’s results individually.