Grade Calculator
Compute your weighted average grade across homework, exams, projects, and more.
Learn More About Grade Calculator
How weighted course grades work
Many classes do not treat every assignment equally. Tests, labs, projects, participation, and homework often carry different weights, which means a strong score in one category may matter much more than the same score in another.
This calculator helps combine those categories into one overall course grade using the weight assigned to each part of the class.
Example weighted grade calculation
If homework is worth 20%, quizzes are worth 30%, and exams are worth 50%, your final result depends much more on exam performance than on homework alone. A high homework score can help, but it will not outweigh a weak exam category if the weighting is much lower.
Running a few scenarios can also help you estimate what score you need on a final exam to reach a target course grade.
Grade calculator vs GPA calculator
Use the grade calculator for one course with weighted assignments or categories. Use the GPA calculator when you want to combine multiple courses and credit hours into a broader academic average.
Keeping those two use cases separate makes the results easier to understand and better aligned with how schools usually report grades.
Frequently Asked Questions
What is a weighted grade average?
A weighted grade average applies a weight (percentage) to each category — such as homework at 20%, exams at 50%, and projects at 30% — and calculates the average based on those weights. This reflects the actual importance of each component rather than treating all assignments equally.
What grading scale does this calculator use?
This calculator uses the standard 4.0 scale: A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0, C- = 1.7, D+ = 1.3, D = 1.0, F = 0.0. Letter grades are converted to grade points, multiplied by credit hours, summed, and divided by total credit hours.
How is weighted average different from simple average?
A simple average adds all your grades and divides by the number of grades. A weighted average multiplies each grade by its weight before summing. For example, if homework (worth 10%) is 100% and exams (worth 90%) are 70%, a simple average would incorrectly show 85% — but the weighted average of 73% is accurate.
Can I calculate GPA with this?
This calculator is designed for individual course grading. For overall GPA across multiple courses, you need a dedicated GPA calculator that accounts for all courses and their credit hours together. This calculator works best for seeing where you stand in a single course.