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Weighted Grade Calculator

Enter your grades and their corresponding percentage weights to find your current overall course score.

Calculate your class average with weighted assignments.

Quick Answer

To calculate a weighted grade, multiply each grade by its weight percentage, verify the weights sum to 100%, and add the results together. Formula: **Grade A × Weight A + Grade B × Weight B... = Weighted Average**.

Weighted Grade Calculator

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How It Works

  1. Identify the weight of each category or assignment (e.g., Exams 40%, Quizzes 20%).
  2. Multiply your grade in each category by its weight percentage.
  3. Add all the results together.
  4. If your weights sum to 100%, this is your final grade.
  5. If weights are less than 100%, divide the result by the total weight to find your current standing.

Formula:

Weighted Grade = Σ (Grade × Weight)

How It Works

This calculator helps students track their performance in courses where assignments have different values. It is ideal for college and high school students monitoring their GPA. ### Weighted Grade Formula The formula to calculate a weighted average is: **Weighted Grade = (w₁ × g₁) + (w₂ × g₂) + ... + (wₙ × gₙ)** Where: - **w** = Weight percentage (as a decimal, e.g., 20% = 0.20) - **g** = Grade for that assignment If your weights do not add up to 100% (for example, if you are midway through the semester), divide the sum by the total weight completed so far to get your **Current Average**.

Common Mistakes

- **Confusing Points with Percentages**: Ensure standard grading (0-100) is used before applying weights. If you scored 45/50, convert to 90% first. - **Weights Not Summing to 100%**: At the end of a course, assignments must equal 100%. If they sum to 110% (extra credit), your max score can exceed 100. - **Forgetting Zeroes**: If you missed an assignment, enter 0. Leaving it blank implies it hasn't been graded yet, which falsely inflates your current average.

Examples

Example A: Standard Semester

Result: Grades: Homework 90% (20%), Midterm 85% (30%), Final 80% (50%). Calculation: (90×0.2)+(85×0.3)+(80×0.5) = 18+25.5+40 = 83.5%.

Example B: Fractions

Result: Scored 88.5% on a project worth 25%. Calculation: 88.5 × 0.25 = 22.125 points added.

Example C: Partial Progress

Result: Completed 50% of course. Quiz 100% (10%), Midterm 80% (40%). Sum = 42. Scale by 0.5: 42 / 0.5 = 84% current average.

Frequently Asked Questions

How do I calculate my grade if I don't know the weight?

If weights are not specified, most systems assume a "total points" system. Divide your total points earned by the total points possible.

What is a good weighted GPA?

In high schools, a weighted GPA above 4.0 (often 4.5 or 5.0) indicates advanced coursework like AP or Honors classes.

Can a weighted grade be higher than 100%?

Yes, if your professor offers extra credit or if you score above 100% in a heavily weighted category.

How is weighted average different from simple average?

A simple average treats all assignments equally. A weighted average counts major exams more heavily than small quizzes.

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