Calculate your overall weighted class grade from homework, quizzes, exams, and any other graded categories.
Add your grade categories, then click Calculate
This free grade calculator combines your scores across weighted categories — homework, quizzes, exams, projects, participation, or anything your syllabus defines — into a single overall class grade and letter grade, updating live as you adjust any value.
Add a row for each graded category in your class, entering its weight (the percentage of your final grade it represents) and your score in that category (as a percentage). The calculator multiplies each score by its weight, sums the results, and divides by the total weight entered to produce your overall weighted grade, then converts that percentage into a standard letter grade.
Students tracking their current standing in a class throughout the semester, anyone testing "what-if" scenarios for an upcoming exam or assignment, and students figuring out what score they need on remaining work to hit a target grade.
The weighted average behind your overall grade
A category worth 50% of your grade affects your overall score five times as much as one worth 10%.
Each score is scaled by its weight before summing, then the total is divided by the sum of weights to return to a percentage.
The final weighted percentage is converted into a letter grade using a standard grading scale.
From syllabus weights to your overall grade
Type a category name (like Homework or Exams), its weight percentage, and your score percentage for that category.
Click "Add Category" for every graded component of the class.
See your overall weighted grade and letter grade instantly.
A typical three-category class breakdown
How to read each part of the result panel
When you click Calculate, the result panel shows three pieces of information: your weighted grade as a percentage, the letter grade it maps to, and the total weight you entered. Here's what each element means and how to use it.
| Result Element | What It Means |
|---|---|
| Weighted Grade (overall percentage) | The headline answer — your combined score across every category you entered, computed as the sum of each score times its weight, divided by the total weight entered. This is the percentage your current class standing is based on. |
| Letter Grade | Your overall percentage translated onto the standard A+ to F scale shown in the next section. It's a quick label for your standing — but confirm the exact cutoffs in your own syllabus, since instructors often use different plus/minus boundaries or a curve. |
| Total Weight Entered | The sum of all category weights you typed. The calculator divides by this sum to normalize your result back onto a 0-100% scale, so it stays mathematically correct even if your weights add up to something other than 100. |
| Live updates | The result refreshes the moment you edit any weight or score — every row recalculates as you type, so you never have to remember to press Calculate again after making a change. |
Used by this calculator — check your syllabus for your instructor's exact scale
| Percentage | Letter Grade |
|---|---|
| 97-100% | A+ |
| 93-96% | A |
| 90-92% | A- |
| 87-89% | B+ |
| 83-86% | B |
| 80-82% | B- |
| 77-79% | C+ |
| 73-76% | C |
| 70-72% | C- |
| 67-69% | D+ |
| 60-66% | D |
| Below 60% | F |
Where tracking a weighted grade matters
See your current standing before an important assignment or exam.
Test what score you'd need on remaining work to reach a specific final grade.
See how a missed assignment or low quiz score would affect your overall grade.
Identify which category has the most room (and weight) to improve your grade.
Once your final grade is set, feed it into NeftCal's GPA Calculator.
When to reach for this calculator versus NeftCal's other academic utilities
| Tool | What It Answers | What You Enter | Main Output |
|---|---|---|---|
| Grade Calculator (this page) | Your overall weighted grade within a single class | Category weights and score percentages | Weighted percentage plus a letter grade |
| GPA Calculator | Your grade point average across many classes | Final letter grades and credit hours | GPA on a standard scale (e.g. 4.0) |
| Percentage Calculator | A percentage of a number, or one number as a percentage of another | Two numbers | A single percentage value |
| Average Calculator | The simple arithmetic mean of a list of values | A list of numbers | Their plain, unweighted average |
Rule of thumb: use this Grade Calculator whenever each graded component of one class counts differently toward the final — that's exactly what weighting is for. If every assignment carries equal weight, the Average Calculator gives the same result with less setup. For your overall standing across all classes, pair this tool with the GPA Calculator once final grades are in, and reach for the Percentage Calculator whenever you need to convert a raw score into a percentage or find what share of a total something represents.
What this calculator does well, and where it has boundaries
Get an accurate overall grade every time
Summary: This calculator combines weighted categories into your overall class grade and letter grade — free, instant, and updates live as you test different scenarios. Pair it with the GPA Calculator once your final grades are in.
Common questions about calculating a weighted grade
Official and respected references on grading scales, GPA, and academic standards
Other academic tools