Grade Calculator: How to Calculate Your Grade
A grade calculator helps you figure out what you need on your final exam, what your current grade is, or how much each assignment is worth. Instead of guessing, you can calculate exactly where you stand.
How to calculate your grade
Your grade is a weighted average of everything you have been graded on so far. Each assignment, quiz, and exam has a weight in your syllabus. Multiply each score by its weight, add them up, and divide by the total weight.
For example, if you have:
- Quiz 1: 85% (weight 10%)
- Quiz 2: 90% (weight 10%)
- Midterm: 78% (weight 30%)
- Final: ? (weight 50%)
Your current grade without the final is: (85 × 0.10 + 90 × 0.10 + 78 × 0.30) / 0.50 = 82.6%
To find what you need on the final for a 90% course grade: (90 – 82.6 × 0.50) / 0.50 = 94.8%
What each assignment is worth
Check your syllabus for the weight of each component. A typical breakdown:
- Assignments: 20-30%
- Quizzes: 10-20%
- Midterm: 20-30%
- Final: 30-40%
If your syllabus does not list weights, ask your instructor. Without weights, you cannot calculate an accurate grade.
How to use a grade calculator
Enter each assignment, its score, and its weight. The calculator does the math for you. You can also work backwards — enter your target grade and it tells you what you need on the final.
Frequently asked questions
How do I calculate my grade?
Multiply each score by its weight, add them up, and divide by the total weight. Or use a free online grade calculator.
What is my grade if I have different weights for each assignment?
Use the weighted average formula. A simple average of percentages is wrong when assignments have different weights.
How much is my final worth?
Check your syllabus. Finals are typically worth 30-40% of your course grade.
Can I still pass if I failed the midterm?
Yes, if the final is worth enough. Use a grade calculator to find out what you need on the final to pass.
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