Table of Contents
How to Use the Weighted Grade Calculator
- Pick how you’ll enter grades. Choose Percent if your grades are percentages (like 88%). Choose Points if your teacher reports points earned out of points possible (like 45/50).
- Add one row per category. Type a name like Homework, Quizzes, or Midterm. Then enter your grade for that category and its weight from your syllabus.
- Watch the weight bar. It shows how much of the course you’ve entered. A full syllabus adds up to 100%.
- Read your result. Your weighted grade, letter grade, and GPA value appear as soon as one row has a grade and a weight.
- Plan ahead. If part of the course isn’t graded yet, pick a target (A, A-, B, C, or Pass) or type your own. The calculator shows the average you need on the remaining work.
- Save or share. Your entries stay on this device if you leave and come back. Use Copy result link to send your setup to yourself or a classmate. Reset clears everything.
Tip: press Enter in the last row to add a new category.
What Is a Weighted Grade?
A weighted grade is an average where each category counts in proportion to its weight. A category worth 40% moves your grade four times as much as one worth 10%. Teachers list these weights in the syllabus, often as “Tests 40%, Homework 20%” and so on.
The Weighted Grade Formula
Weighted grade = (Grade₁ × Weight₁ + Grade₂ × Weight₂ + …) ÷ (Weight₁ + Weight₂ + …)
In plain English:
- Multiply each category grade by its weight.
- Add those results together.
- Divide by the total of the weights you used.
If your weights add up to 100%, step 3 just divides by 100. If only part of the course is graded, dividing by the weights entered so far gives your current grade, based only on the work graded so far.
Weighted Grade Examples
All three examples use the same class syllabus: Homework 20%, Quizzes 15%, Midterm 25%, Final exam 30%, Participation 10%.
Example 1: Your final course grade
The semester is over and every category is graded.
| Category | Weight | Grade | Grade × weight |
|---|---|---|---|
| Homework | 20% | 92% | 18.40 |
| Quizzes | 15% | 85% | 12.75 |
| Midterm | 25% | 78% | 19.50 |
| Final exam | 30% | 84% | 25.20 |
| Participation | 10% | 100% | 10.00 |
| Total | 100% | — | 85.85% |
The weights add up to 100%, so the final grade is 85.85%, a B (3.0 GPA). A simple unweighted average of the same five grades would be 87.8%. The weaker midterm counts for more, which pulls the grade down.
Example 2: Your current grade mid-semester
It’s week 9. Only Homework (92%), Quizzes (85%), and the Midterm (78%) are graded, which is 60% of the course.
- Grade × weight: 18.40 + 12.75 + 19.50 = 50.65
- Divide by the weight graded so far: 50.65 ÷ 60 × 100 = 84.42%, a B
That’s your current grade, based on the 60% of the course graded so far.
Example 3: What you need on the rest of the course
You want to finish with at least 90% (an A-). The final exam and participation, worth 40%, are still ahead.
Needed score = (Goal × 100 − Points so far) ÷ Remaining weight
= (90 × 100 − 5,065) ÷ 40 = (9,000 − 5,065) ÷ 40 = 98.4%
You’d need about 98.4% across the remaining 40%. For a B (83%), you’d need 80.9%. The best grade still possible is 90.65%, if you score 100% on everything left. The calculator’s “What do I need to finish with” box does this math for you.
Special Cases
- Weights that don’t add up to 100%. If the course isn’t fully graded, that’s expected, and you’ll see your current grade. If your weights add up to more than 100%, the calculator warns you and scales the result to the weights you entered. Check your syllabus, since a typo is the usual cause.
- Points-based classes. Some teachers grade in points (for example, 450 out of 500) instead of percentages. Switch to Points, and each row turns into points earned and points possible. If a class uses total points with no category weights, one row with your total points works fine. You can also give every row the same weight.
- No weights at all. If you enter grades but leave the weights blank, the calculator shows a simple average and labels it that way.
- Extra credit. A grade can go above 100%, such as 105% on a quiz with bonus questions. Enter it as it is. If extra credit is its own category in your syllabus, add it as a separate row with its weight.
- Dropped grades. If your teacher drops your lowest quiz, calculate the quiz average without it first. Then enter that average as the Quizzes grade.
Weighted vs. Unweighted Grades
An unweighted grade counts every assignment equally. A weighted grade lets some categories count more than others.
| Unweighted grade | Weighted grade | |
|---|---|---|
| How it works | Every grade counts the same | Each category counts by its syllabus weight |
| Example | Tests of 80%, 90%, 100% → (80 + 90 + 100) ÷ 3 = 90% | Homework 90% (20%), Tests 85% (50%), Final 80% (30%) → 84.5% |
| Where you see it | Simple quizzes, some elementary and middle school classes | Most high school and college courses |
Weighted grade vs. weighted GPA
They sound alike but measure different things:
- A weighted grade is one course’s percentage, built from category weights. That’s what this calculator finds.
- A weighted GPA averages all your courses. It adds bonus points for honors, AP, or IB classes, so an A in AP might count as 5.0 instead of 4.0.
Once you know your course grades, use the GPA calculator or the high school GPA calculator to turn them into a GPA. To learn how honors and AP bonuses work, see how to calculate weighted GPA.
Common Mistakes to Avoid
| Mistake | Why it matters | Fix |
|---|---|---|
| Averaging your grades without weights | A 95% on homework can hide a 70% on tests | Enter each category’s weight from the syllabus |
| Weights that total more than 100% | The result gets scaled and may not match your teacher’s gradebook | Recheck the syllabus; each weight is usually a round number |
| Treating a current grade as final | A grade based on 60% of the course can still move a lot | Use the goal box to see what’s still possible |
| Mixing points and percentages | 45 points and 45% are not the same thing | Use one format, or switch to Points mode |
| Leaving out a category | A missing 0% on an assignment makes your grade look higher than it is | Add every graded category, including participation |
| Confusing a course grade with GPA | This calculator gives a course percentage, not a GPA | Use a GPA calculator after you have your course grades |
Weighted Grade FAQs
How do I calculate my weighted grade?
Multiply each category grade by its weight, add the results, and divide by the total weight. For example, 90% on homework (40%) and 80% on tests (60%) gives (90 × 40 + 80 × 60) ÷ 100 = 84%.
What if my weights don’t add up to 100%?
If part of the course isn’t graded yet, divide by the weights you have. That gives your current grade. If they add up to more than 100%, recheck your syllabus. The calculator flags this and scales the result.
How do I figure out what I need on my final exam?
Enter everything graded so far, then set your target in the “What do I need to finish with” box. The calculator divides the points you still need by the weight that’s left. For just the final exam, you can also use our final grade calculator.
Can I use points instead of percentages?
Yes. Switch to Points mode and enter points earned and points possible for each category. The calculator converts them to percentages before applying the weights.
Is a weighted grade the same as a weighted GPA?
No. A weighted grade is one class’s percentage. A weighted GPA averages all your classes and adds bonus points for honors, AP, or IB courses.
What letter grade is an 85%?
On the standard scale used here, 85% is a B (3.0 GPA). A B+ starts at 87%, and an A- at 90%. Your school’s scale may differ, so check your syllabus.
Does the calculator save my grades?
Your entries are saved in your own browser, so they’re still there if you come back later. Nothing is sent to a server. Use Reset to clear them.