Weighted Grade Calculator
Weighted grade calculator — add each assignment, test and exam with its score and its weight to see your current course grade, how much of the grade is still to come, and the average you need on the remaining work to hit a target. Runs in your browser.
Weighted Grade Calculator
How to Use the Weighted Grade Calculator
List your components
Add each assignment, quiz, test and exam with the score you got and its weight.
Leave the future blank
For work not yet graded, fill in the weight but leave the score empty.
Read your grade
See your current weighted grade and how much of the course is still to come.
Set a target
Enter the grade you want and see the average you need on the remaining work.
Working Out Your Course Grade
Most courses do not grade you on a simple average. A final exam might count for half your mark while a homework set counts for a few per cent, and that weighting changes everything about how to read your standing and where to put your effort. A weighted grade captures it properly: each component’s score is multiplied by its weight, the results are summed, and the total is divided by the weights involved. This calculator does that live as you add assignments, tests and exams, so at any point in the term you can see exactly where you stand rather than guessing from a rough average.
The tool draws a careful line between two things students often conflate: your grade so far and your final grade. The grade so far is the weighted average of only the components that have actually been marked; the final grade depends on the work still to come. By entering the weight of upcoming assessments but leaving their scores blank, you tell the calculator how much of the grade is still in play. It then reports your current standing on the graded portion and how much weight remains, which keeps you from mistaking a strong start for a finished result — or panicking over a weak one that a heavily-weighted final can still rescue.
That leads to the most useful feature: target planning. Set the grade you are aiming for, and the tool works out the average you would need across all the remaining weight to get there, based on the points you have already banked. It is honest about the edge cases, too. Sometimes you discover the target is already secured — you have done enough that the remaining work cannot pull you below it — and sometimes you learn that even a perfect finish can no longer reach it, which is its own kind of useful clarity for deciding where to focus. Used through a term, it turns vague anxiety into a concrete number: this is what I need on the final. The result is your own calculation, so confirm rounding rules, dropped scores, curves or extra credit against your official syllabus, but the weighting maths it runs is exactly what your instructor uses. Everything is computed in your browser, so nothing you enter leaves your device, and you can share a full breakdown as a link.
Your average lies; your weighted grade tells the truth — and tells you exactly what the final is worth.
10 Facts About Weighted Grades
A weighted grade multiplies each score by its weight.
Weights across a course should add to 100%.
A final worth 50% moves your grade far more than a 5% quiz.
Your grade so far only counts the graded portion.
Points “secured” = score × weight ÷ 100.
You can compute the score needed on the final to pass.
Sometimes a target is already locked in — or out of reach.
High weight late in the term raises the stakes.
Knowing the maths helps you prioritise revision.
This calculator runs in your browser — nothing is uploaded.
Frequently Asked Questions
- Each component’s score is multiplied by its weight, those products are added up, and the total is divided by the sum of the weights. So a 90 worth 20%, an 80 worth 30% and a 70 worth 50% gives (90×20 + 80×30 + 70×50) ÷ 100 = 77%. The calculator does this live as you type, across as many components as your course has.
- Your grade so far is the weighted average of only the components you have actually been graded on. Your final grade depends on the remaining work too. The calculator shows the current standing based on graded items and tells you how much weight is still outstanding, so you do not mistake a partial result for the finished one.
- Leave the final’s score blank, enter its weight, and set your target grade. The tool works out the average you would need across all the remaining (blank) weight to finish at your target, using the points you have already secured. It will also tell you if the target is already guaranteed or no longer reachable.
- The current grade is still computed correctly as a weighted average of whatever components you have entered, but the “needed on remaining” calculation assumes the whole course totals 100%. For accurate target planning, make sure all your components’ weights — graded and upcoming — sum to 100.
- Because impact on your grade is proportional to weight. A final exam worth half the grade can swing your result far more than several small quizzes combined. Seeing the weights laid out helps you focus revision where it actually moves the number, rather than spreading effort evenly.
- Yes. If the points you have already lost exceed what the remaining weight can recover, even a perfect score on everything left will fall short, and the tool says so. Conversely, if you have banked enough, your target can be locked in regardless of the remaining work. Both are useful to know.
- It works for any percentage-based weighted scheme, which covers most courses. If your school uses letter grades or grade points for individual components, convert them to percentages first. The weighting maths is identical regardless of subject or level.
- Yes. The share button encodes all your components, scores, weights and target into the page link, so you can bookmark it or send it on and pick up exactly where you left off. Nothing is stored on a server.
- No — it is your own calculation from the numbers you enter. Rounding rules, dropped-lowest-score policies, curves and extra credit vary by instructor, so treat the result as an accurate guide and confirm anything that matters with your official syllabus or teacher.
- Completely free, with no account or usage limit. It runs entirely in your browser, collects no data, and works offline once the page has loaded.
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