Weighted average and GPA calculator
Calculate a weighted average on a 20-point or 4-point scale.
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How does it work?
Step 1Choose the grading scale.
Step 2Add grades and their weights or credits.
Step 3Calculate the weighted average on the selected scale.
Σ (grade × weight) / Σ weight
Frequently asked questions
Multiply each grade by its weight, add the products, then divide by the total weight.
No. GPA mode accepts grades already on a 4-point scale. Conversion rules vary by institution.
Between 1 and 20 grades. Every weight must be strictly positive.