Free grade calculator tools for students, teachers and parents.

Weighted Grade Calculator

Enter each grade and its weight to calculate your weighted average. This is useful when exams, assignments and projects count for different percentages.

Check that your weights match your course syllabus. If your total weight is not 100%, this tool still calculates based on the weights entered.

Calculate weighted grade

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Weighted grade formula

Multiply each grade by its category weight, add the results together, then divide by the total weight entered. Example: 80% at 40% weight plus 90% at 60% weight gives 86%.