Education Calculators
Grade Calculator
Calculate your weighted final grade from any mix of components and their weights.
About the Grade Calculator
A grade calculator combines your scores across assignments, quizzes and exams according to their weights, giving you the weighted final grade for a course.
Enter each component's score and its weight, and the tool computes the overall percentage and an indicative letter grade — great for tracking where you stand before finals.
How to use the Grade Calculator
- Enter each component's score % and weight %.
- Add more components as needed.
- Click Calculate Grade.
How the calculation works
Final grade = Σ(score × weight) ÷ Σ(weight)
Example
Assignments 85% (20%), midterm 78% (30%) and final 82% (50%) give a weighted grade of about 81.4%, an A.
Frequently asked questions
Each score is multiplied by its weight, the results are summed, and the total is divided by the total weight.
The calculator normalises over the total weight you enter and notes it, so partial grades still work.
Enter your known components and adjust the final's score to find the mark you need for a target grade.
It maps the weighted percentage to common bands (A+, A, B, C, D, F) as a general guide.