weighted grade calculator
See exactly how each assignment pulls your grade up or down.
Enter your assignment grades and their weights, this weighted grade calculator does the math and shows your true course average in seconds.
| Assignment | Grade (%) | Weight (%) |
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Total weight: 0%
Your weighted grade
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Your weighted grade updates automatically as you enter grades and weights.
How this weighted grade calculator works
Not all grades are equal. A weighted grade calculator accounts for the fact that a final exam worth 40% of your course grade matters four times more than a quiz worth 10%. Instead of averaging your scores straight across, which gives every assignment equal pull, calculating grades by weight multiplies each score by its importance, then adds them up. This tool handles that math automatically. Enter each assignment's percentage score and how much it counts toward the final grade, and your weighted average mark appears instantly.
This is the same method your professor uses on their gradebook spreadsheet, and it's what weighted average grading systems in middle school, high school, and college all rely on. If you've ever been confused about why your grade didn't match what a simple average would give you, weighted grading is usually the reason. A strong final exam can rescue a shaky semester, and a missed major project can drag down an otherwise solid record. This weight calculator for grades makes both of those scenarios visible before results are officially posted.
Frequently asked questions
What is a weighted grade calculator?
A weighted grade calculator is a tool that finds your overall course average by factoring in how much each assignment or exam counts toward your final grade. Unlike a plain average, it gives heavier assignments more influence on the result, the same way your school or professor grades you.
What is a weighted average mark?
A weighted average mark is your overall grade when each individual score is multiplied by its assigned weight before being totalled. A homework score worth 10% and an exam score worth 40% don't contribute equally, the exam score has four times the pull. The weighted average reflects that difference.
How is calculating grades by weight different from a regular average?
A regular average adds all scores and divides by the count, treating every item equally. Calculating grades by weight multiplies each score by its percentage weight, sums those products, then divides by the total weight. The result is more accurate to how courses are actually graded.
What should I enter in the weight column?
Enter the percentage weight your professor assigns to each item, for example, 20 for homework (20%), 30 for the midterm (30%), and 50 for the final (50%). Weights don't have to add up to exactly 100% for each row, but your total across all rows should equal 100% for the result to represent your full course grade.
Can I use this as a weighted average calculator for college courses?
Yes. College syllabi typically break grades into weighted categories, participation, assignments, exams, projects. Enter each category's current score and its percentage weight in the syllabus. The weighted average calc gives you your running course grade based on whatever you've completed so far.
What if my weights don't add up to 100%?
The calculator still gives you a result, it divides the sum of (score × weight) by the sum of all weights you entered, not by 100. This means you can use it mid-semester with only completed assignments entered and still get an accurate weighted average for those items.
Can teachers use this for determining weighted grades?
Absolutely. Determining weighted grades for a class roster is one of the most time-consuming parts of marking periods. This tool handles the formula for any assignment structure, just enter scores and weights per category and read off the result. No spreadsheet setup required.
- Need to know what score you need on your upcoming final? Try the Final Grade Calculator →
- Grading individual tests? Use the Easy Grader →
Whether you're a student tracking your standing before finals or a teacher determining weighted grades for a full course, the math is the same and the stakes are real. This free weighted grade calculator handles every course structure, weighted categories, point-based rubrics converted to percentages, or mixed assignment types. It's the same logic as a full gradebook weighted average calculator, built into a single page that works instantly without sign-up, without setup, and without doing the algebra yourself.