Enter the points you earned and the total points possible for each assignment — calculated live as you type.
Earned points must be 0 or more and cannot exceed total points. Total points must be greater than 0.
Grading scale used
Free Grade Calculator
If you want to know your current grade or figure out what score you need on your final exam, a grade calculator does the math for you in seconds. Instead of adding up points and weights by hand, you enter your scores, set how much each part counts, and get an instant answer. This free grade calculator handles weighted and unweighted grades, so it matches the way most US schools and colleges actually grade.
What Is a Grade Calculator?
A grade calculator is a simple online tool that turns your individual scores into one final grade. It takes each assignment, test, and exam score, applies the correct weight to each, and combines them into a single percentage or letter grade. Students and teachers use it because weighted math is easy to get wrong when you do it by hand.
This calculator covers the two situations people search for most. The first is a weighted grade, where categories like homework, quizzes, and exams each count for a set percentage of your final mark. The second is the final exam question: given your current grade, what score do you need on the final to finish with the grade you want?
Unlike a spreadsheet, you do not need to build any formulas or double-check your arithmetic. The calculator runs the standard weighted-average formula that schools use, so the result matches what your teacher’s gradebook will show. It is free, works on phones and computers, and never asks you to create an account.
How to Use This Grade Calculator
Using the calculator takes less than a minute. You do not need to sign up or install anything, and your grades never leave your browser.
- Enter each category of your grade, such as homework, quizzes, tests, and the final exam.
- Type in your average score for each category as a percentage.
- Set the weight for each category, making sure the weights add up to 100 percent.
- Click calculate to see your current overall grade instantly.
- To plan ahead, enter your target grade and see what score you need on your remaining work.
If your teacher grades with total points instead of weights, you can still use the calculator. Just treat each category’s share of the total points as its weight, and the math works out the same. For example, if tests are worth 350 out of 1,000 total points, enter 35 percent as the test weight.
Weighted Grades vs Unweighted Grades
In an unweighted system, every point counts the same. If you earned 850 out of 1,000 total points, your grade is 85 percent, no matter which assignments those points came from. This is the simplest grading method and is common in elementary school and some high school classes.
In a weighted system, different categories count for different amounts. For example, homework might be worth 20 percent, quizzes 20 percent, tests 35 percent, and the final exam 25 percent. A 90 on the final exam helps you far more than a 90 on a small homework assignment, because the exam carries more weight.
Most US high schools and colleges use weighted grades, which is why a basic average can mislead you. A grade calculator applies each weight correctly, so the number you see matches what your teacher’s gradebook will show. Always check your syllabus for the exact weights before you calculate.
Common US Grade Scales
Most US schools use a 10-point letter scale: A is 90 to 100 percent, B is 80 to 89, C is 70 to 79, D is 60 to 69, and anything below 60 is an F. Some schools use a stricter 7-point scale, where an A starts at 93 percent, so always check your own school’s policy before assuming where the cutoffs fall.
Your percentage also converts to a grade point average, or GPA. On the standard 4.0 scale, an A is worth 4.0 points, a B is 3.0, a C is 2.0, a D is 1.0, and an F is 0.0. Colleges and scholarship programs often look at GPA, so knowing both your percentage and your letter grade keeps you fully informed about where you stand.
Tips for Students
Check your grade early and often instead of waiting until the end of the term. When you know your current standing, you can decide where to focus your effort, such as studying harder for the heavily weighted final exam. Small improvements in a high-weight category move your final grade much more than the same effort spent in a low-weight one.
Use the final exam feature to set a clear target before test week. If the calculator says you need a 94 to keep your A, you know exactly what is at stake and can plan your study time around it. And if the number it gives you is over 100, that is a sign to talk to your teacher about extra credit options before the term ends.
Tips for Teachers
A grade calculator is a quick way to double-check gradebook software, especially at the end of a marking period. Entering a student’s category averages takes seconds, and it gives you an independent number to compare against your system. It is also useful for answering the classic student question: what do I need on the final to pass?
You can also use the calculator when designing a course. By testing different weight combinations, you can see how much each category actually influences the final grade before you publish your syllabus. Sharing the calculator with students helps them understand your grading system and take ownership of their progress throughout the term.
Frequently Asked Questions
How do I calculate my weighted grade?
Enter your average score for each grading category, then enter the percentage weight your teacher assigned to each category. The calculator multiplies each score by its weight, adds the results together, and shows your final weighted grade as a percentage and letter grade.
What score do I need on my final exam to get an A?
Enter your current grade, the weight of your final exam, and your target grade of 90 percent or higher. The calculator works backward to tell you the exact final exam score you need. If the answer is above 100, an A may be out of reach without extra credit.
What is the difference between weighted and unweighted grades?
In an unweighted system, every point counts equally toward your final grade. In a weighted system, categories like exams count more than categories like homework. Always use the weighted option if your teacher assigns different weights to different types of work.
Is this grade calculator free to use?
Yes, it is completely free, and you do not need to create an account. All calculations happen in your browser, so your grades stay private and are never sent to a server.
Can teachers use this grade calculator for a whole class?
The calculator works one student at a time, which makes it ideal for quick checks and what-if scenarios. For full class gradebooks, use your school’s grading software, and use this tool to verify totals or answer individual student questions.
How accurate is the grade calculator?
It is as accurate as the numbers you enter. The math follows the standard weighted-average formula that schools use, so if your scores and weights are correct, the result will match your teacher’s gradebook.